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On-Call General Contractor Specifications University of Maryland College Park June 2013 METERS AND GAGES FOR HVAC PIPING 230519 - 1 SECTION 230519 - METERS AND GAGES FOR HVAC PIPING PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section. 1.2 SUMMARY A. Section Includes: 1. Bimetallic-actuated thermometers. 2. Filled-system thermometers. 3. Liquid-in-glass thermometers. 4. Light-activated thermometers. 5. Thermowells. 6. Dial-type pressure gages. 7. Gage attachments. 8. Test plugs. 9. Test-plug kits. 10. Sight flow indicators. 11. Orifice flowmeters. 12. Pitot-tube flowmeters. B. Related Sections: 1. Division 23 Section "Facility Natural-Gas Piping" for gas meters. 2. Division 23 Section "Steam and Condensate Heating Piping" for steam and condensate meters. 1.3 SUBMITTALS A. Product Data: For each type of product indicated. B. Wiring Diagrams: For power, signal, and control wiring. C. Product Certificates: For each type of meter and gage, from manufacturer. D. Operation and Maintenance Data: For meters and gages to include in operation and maintenance manuals.

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  • On-Call General Contractor Specifications University of Maryland College Park June 2013

    METERS AND GAGES FOR HVAC PIPING 230519 - 1

    SECTION 230519 - METERS AND GAGES FOR HVAC PIPING

    PART 1 - GENERAL

    1.1 RELATED DOCUMENTS

    A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

    1.2 SUMMARY

    A. Section Includes:

    1. Bimetallic-actuated thermometers. 2. Filled-system thermometers. 3. Liquid-in-glass thermometers. 4. Light-activated thermometers. 5. Thermowells. 6. Dial-type pressure gages. 7. Gage attachments. 8. Test plugs. 9. Test-plug kits. 10. Sight flow indicators. 11. Orifice flowmeters. 12. Pitot-tube flowmeters.

    B. Related Sections:

    1. Division 23 Section "Facility Natural-Gas Piping" for gas meters. 2. Division 23 Section "Steam and Condensate Heating Piping" for steam and condensate

    meters.

    1.3 SUBMITTALS

    A. Product Data: For each type of product indicated.

    B. Wiring Diagrams: For power, signal, and control wiring.

    C. Product Certificates: For each type of meter and gage, from manufacturer.

    D. Operation and Maintenance Data: For meters and gages to include in operation and maintenance manuals.

  • On-Call General Contractor Specifications University of Maryland College Park June 2013

    METERS AND GAGES FOR HVAC PIPING 230519 - 2

    PART 2 - PRODUCTS

    2.1 BIMETALLIC-ACTUATED THERMOMETERS

    A. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    B. Basis-of-Design Product: Subject to compliance with requirements, provide product by one of the following:

    1. Ashcroft Inc. 2. Ernst Flow Industries. 3. Marsh Bellofram. 4. Miljoco Corporation. 5. Nanmac Corporation. 6. Noshok. 7. Palmer Wahl Instrumentation Group. 8. REOTEMP Instrument Corporation. 9. Tel-Tru Manufacturing Company. 10. Trerice, H. O. Co. 11. Watts Regulator Co.; a div. of Watts Water Technologies, Inc. 12. Weiss Instruments, Inc. 13. WIKA Instrument Corporation - USA. 14. Winters Instruments - U.S.

    C. Standard: ASME B40.200.

    D. Case: Liquid-filled and sealed type(s); stainless steel with 3-inch nominal diameter.

    E. Dial: Nonreflective aluminum with permanently etched scale markings and scales in deg F.

    F. Connector Type(s): Union joint, adjustable angle, with unified-inch screw threads.

    G. Connector Size: 1/2 inch, with ASME B1.1 screw threads.

    H. Stem: 0.375 inch in diameter; stainless steel.

    I. Window: Plain glass.

    J. Ring: Stainless steel.

    K. Element: Bimetal coil.

    L. Pointer: Dark-colored metal.

    M. Accuracy: Plus or minus 1 percent of scale range.

    2.2 FILLED-SYSTEM THERMOMETERS

    A. Direct-Mounted, Metal-Case, Vapor-Actuated Thermometers:

  • On-Call General Contractor Specifications University of Maryland College Park June 2013

    METERS AND GAGES FOR HVAC PIPING 230519 - 3

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    2. Basis-of-Design Product: Subject to compliance with requirements, provide product by one of the following:

    a. Ashcroft Inc. b. Marsh Bellofram. c. Miljoco Corporation. d. Palmer Wahl Instrumentation Group. e. REOTEMP Instrument Corporation. f. Trerice, H. O. Co. g. Weiss Instruments, Inc.

    3. Standard: ASME B40.200. 4. Case: Sealed type, cast aluminum or drawn steel; 4-1/2-inch nominal diameter. 5. Element: Bourdon tube or other type of pressure element. 6. Movement: Mechanical, dampening type, with link to pressure element and connection

    to pointer. 7. Dial: Nonreflective aluminum with permanently etched scale markings graduated in

    deg F. 8. Pointer: Dark-colored metal. 9. Window: Glass. 10. Ring: Stainless steel. 11. Connector Type(s): Union joint, adjustable, 180 degrees in vertical plane,; with

    ASME B1.1 screw threads. 12. Thermal System: Liquid-filled bulb in copper-plated steel, aluminum, or brass stem and

    of length to suit installation.

    a. Design for Air-Duct Installation: With ventilated shroud. b. Design for Thermowell Installation: Bare stem.

    13. Accuracy: Plus or minus 1 percent of scale range.

    2.3 LIQUID-IN-GLASS THERMOMETERS

    A. Metal-Case, Compact-Style, Liquid-in-Glass Thermometers:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    2. Basis-of-Design Product: Subject to compliance with requirements, provide product by one of the following:

    a. Trerice, H. O. Co.

    3. Standard: ASME B40.200. 4. Case: Cast aluminum; 6-inch nominal size. 5. Case Form: Straight unless otherwise indicated. 6. Tube: Glass with magnifying lens and blue organic liquid. 7. Tube Background: Nonreflective aluminum with permanently etched scale markings

    graduated in deg F.

  • On-Call General Contractor Specifications University of Maryland College Park June 2013

    METERS AND GAGES FOR HVAC PIPING 230519 - 4

    8. Window: Glass or plastic. 9. Stem: Aluminum or brass and of length to suit installation.

    a. Design for Air-Duct Installation: With ventilated shroud. b. Design for Thermowell Installation: Bare stem.

    10. Connector: 3/4 inch, with ASME B1.1 screw threads. 11. Accuracy: Plus or minus 1 percent of scale range or one scale division, to a maximum of

    1.5 percent of scale range.

    B. Plastic-Case, Compact-Style, Liquid-in-Glass Thermometers:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    2. Basis-of-Design Product: Subject to compliance with requirements, provide product by one of the following:

    a. Flo Fab Inc. b. Miljoco Corporation. c. Tel-Tru Manufacturing Company. d. Watts Regulator Co.; a div. of Watts Water Technologies, Inc. e. Weiss Instruments, Inc. f. WIKA Instrument Corporation - USA.

    3. Standard: ASME B40.200. 4. Case: Plastic; 6-inch nominal size. 5. Case FormStraight unless otherwise indicated. 6. Tube: Glass with magnifying lens and blue organic liquid. 7. Tube Background: Nonreflective with permanently etched scale markings graduated in

    deg F. 8. Window: Glass or plastic. 9. Stem: Aluminum or brass and of length to suit installation.

    a. Design for Air-Duct Installation: With ventilated shroud. b. Design for Thermowell Installation: Bare stem.

    10. Connector: 3/4 inch, with ASME B1.1 screw threads. 11. Accuracy: Plus or minus 1 percent of scale range or one scale division, to a maximum of

    1.5 percent of scale range.

    C. Metal-Case, Industrial-Style, Liquid-in-Glass Thermometers:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    2. Basis-of-Design Product: Subject to compliance with requirements, provide product by one of the following:

    a. Flo Fab Inc. b. Miljoco Corporation. c. Palmer Wahl Instrumentation Group. d. Tel-Tru Manufacturing Company.

  • On-Call General Contractor Specifications University of Maryland College Park June 2013

    METERS AND GAGES FOR HVAC PIPING 230519 - 5

    e. Trerice, H. O. Co. f. Weiss Instruments, Inc. g. Winters Instruments - U.S.

    3. Standard: ASME B40.200. 4. Case: Cast aluminum; 7-inch nominal size unless otherwise indicated. 5. Case Form: Adjustable angle unless otherwise indicated. 6. Tube: Glass with magnifying lens and blue organic liquid. 7. Tube Background: Nonreflective aluminum with permanently etched scale markings

    graduated in deg F. 8. Window: Glass. 9. Stem: Aluminum and of length to suit installation.

    a. Design for Air-Duct Installation: With ventilated shroud. b. Design for Thermowell Installation: Bare stem.

    10. Connector: 1-1/4 inches, with ASME B1.1 screw threads. 11. Accuracy: Plus or minus 1 percent of scale range or one scale division, to a maximum of

    1.5 percent of scale range.

    D. Plastic-Case, Industrial-Style, Liquid-in-Glass Thermometers:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    2. Basis-of-Design Product: Subject to compliance with requirements, provide product by one of the following:

    a. Ernst Flow Industries. b. Marsh Bellofram. c. Miljoco Corporation. d. Palmer Wahl Instrumentation Group. e. REOTEMP Instrument Corporation. f. Watts Regulator Co.; a div. of Watts Water Technologies, Inc. g. Weiss Instruments, Inc. h. WIKA Instrument Corporation - USA.

    3. Standard: ASME B40.200. 4. Case: Plastic; 7-inch nominal size unless otherwise indicated. 5. Case Form: Adjustable angle unless otherwise indicated. 6. Tube: Glass with magnifying lens and blue organic liquid. 7. Tube Background: Nonreflective aluminum with permanently etched scale markings

    graduated in deg F. 8. Window: Glass. 9. Stem: Aluminum and of length to suit installation.

    a. Design for Air-Duct Installation: With ventilated shroud. b. Design for Thermowell Installation: Bare stem.

    10. Connector: 1-1/4 inches, with ASME B1.1 screw threads. 11. Accuracy: Plus or minus 1 percent of scale range or one scale division, to a maximum of

    1.5 percent of scale range.

  • On-Call General Contractor Specifications University of Maryland College Park June 2013

    METERS AND GAGES FOR HVAC PIPING 230519 - 6

    2.4 DUCT-THERMOMETER MOUNTING BRACKETS

    A. Description: Flanged bracket with screw holes, for attachment to air duct and made to hold thermometer stem.

    2.5 THERMOWELLS

    A. Thermowells:

    1. Standard: ASME B40.200. 2. Description: Pressure-tight, socket-type fitting made for insertion into piping tee fitting. 3. Material for Use with Copper Tubing: CNR or CUNI. 4. Material for Use with Steel Piping: CRES. 5. Type: Stepped shank unless straight or tapered shank is indicated. 6. External Threads: NPS 1/2, NPS 3/4, or NPS 1, ASME B1.20.1 pipe threads. 7. Internal Threads: 1/2, 3/4, and 1 inch, with ASME B1.1 screw threads. 8. Bore: Diameter required to match thermometer bulb or stem. 9. Insertion Length: Length required to match thermometer bulb or stem. 10. Lagging Extension: Include on thermowells for insulated piping and tubing. 11. Bushings: For converting size of thermowell's internal screw thread to size of

    thermometer connection.

    B. Heat-Transfer Medium: Mixture of graphite and glycerin.

    2.6 PRESSURE GAGES

    A. Direct-Mounted, Metal-Case, Dial-Type Pressure Gages:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    2. Basis-of-Design Product: Subject to compliance with requirements, provide product by one of the following:

    a. AMETEK, Inc.; U.S. Gauge. b. Ashcroft Inc. c. Ernst Flow Industries. d. Flo Fab Inc. e. Marsh Bellofram. f. Miljoco Corporation. g. Noshok. h. Palmer Wahl Instrumentation Group. i. REOTEMP Instrument Corporation. j. Tel-Tru Manufacturing Company. k. Trerice, H. O. Co. l. Watts Regulator Co.; a div. of Watts Water Technologies, Inc. m. Weiss Instruments, Inc. n. WIKA Instrument Corporation - USA. o. Winters Instruments - U.S.

  • On-Call General Contractor Specifications University of Maryland College Park June 2013

    METERS AND GAGES FOR HVAC PIPING 230519 - 7

    3. Standard: ASME B40.100. 4. Case: Liquid-filled type(s); cast aluminum or drawn steel; 4-1/2-inch nominal diameter. 5. Pressure-Element Assembly: Bourdon tube unless otherwise indicated. 6. Pressure Connection: Brass, with NPS 1/4, ASME B1.20.1 pipe threads and bottom-

    outlet type unless back-outlet type is indicated. 7. Movement: Mechanical, with link to pressure element and connection to pointer. 8. Dial: Nonreflective aluminum with permanently etched scale markings graduated in psi. 9. Pointer: Dark-colored metal. 10. Window: Glass. 11. Ring: Stainless steel. 12. Accuracy: Grade A, plus or minus 1 percent of middle half of scale range.

    B. Direct-Mounted, Plastic-Case, Dial-Type Pressure Gages:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    2. Basis-of-Design Product: Subject to compliance with requirements, provide product by one of the following:

    a. AMETEK, Inc.; U.S. Gauge. b. Ashcroft Inc. c. Flo Fab Inc. d. Marsh Bellofram. e. Miljoco Corporation. f. Noshok. g. Palmer Wahl Instrumentation Group. h. REOTEMP Instrument Corporation. i. Tel-Tru Manufacturing Company. j. Trerice, H. O. Co. k. Weiss Instruments, Inc. l. WIKA Instrument Corporation - USA. m. Winters Instruments - U.S.

    3. Standard: ASME B40.100. 4. Case: Sealed type; glass; 4-1/2-inch nominal diameter. 5. Pressure-Element Assembly: Bourdon tube unless otherwise indicated. 6. Pressure Connection: Brass, with NPS 1/4, ASME B1.20.1 pipe threads and bottom-

    outlet type unless back-outlet type is indicated. 7. Movement: Mechanical, with link to pressure element and connection to pointer. 8. Dial: Nonreflective aluminum with permanently etched scale markings graduated in psi. 9. Pointer: Dark-colored metal. 10. Window: Glass. 11. Accuracy: Grade A, plus or minus 1 percent of middle half of scale range.

    2.7 GAGE ATTACHMENTS

    A. Snubbers: ASME B40.100, brass; with NPS 1/4, ASME B1.20.1 pipe threads and piston-type surge-dampening device. Include extension for use on insulated piping.

    B. Siphons: Loop-shaped section of stainless-steel pipe with NPS 1/4 pipe threads.

  • On-Call General Contractor Specifications University of Maryland College Park June 2013

    METERS AND GAGES FOR HVAC PIPING 230519 - 8

    C. Valves: Brass ball, with NPS 1/4, ASME B1.20.1 pipe threads.

    2.8 TEST PLUGS

    A. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    B. Basis-of-Design Product: Subject to compliance with requirements, provide product by one of the following:

    1. Flow Design, Inc. 2. Miljoco Corporation. 3. National Meter, Inc. 4. Peterson Equipment Co., Inc. 5. Sisco Manufacturing Company, Inc. 6. Trerice, H. O. Co. 7. Watts Regulator Co.; a div. of Watts Water Technologies, Inc. 8. Weiss Instruments, Inc.

    C. Description: Test-station fitting made for insertion into piping tee fitting.

    D. Body: Brass or stainless steel with core inserts and gasketed and threaded cap. Include extended stem on units to be installed in insulated piping.

    E. Thread Size: NPS 1/4, ASME B1.20.1 pipe thread.

    F. Minimum Pressure and Temperature Rating: 500 psig at 200 deg F.

    G. Core Inserts: EPDM self-sealing rubber.

    2.9 TEST-PLUG KITS

    A. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    B. Basis-of-Design Product: Subject to compliance with requirements, provide product by one of the following:

    1. Flow Design, Inc. 2. Miljoco Corporation. 3. National Meter, Inc. 4. Peterson Equipment Co., Inc. 5. Sisco Manufacturing Company, Inc. 6. Trerice, H. O. Co. 7. Watts Regulator Co.; a div. of Watts Water Technologies, Inc. 8. Weiss Instruments, Inc.

  • On-Call General Contractor Specifications University of Maryland College Park June 2013

    METERS AND GAGES FOR HVAC PIPING 230519 - 9

    C. Furnish one test-plug kit(s) containing one thermometer(s), one pressure gage and adapter, and carrying case. Thermometer sensing elements, pressure gage, and adapter probes shall be of diameter to fit test plugs and of length to project into piping.

    D. Low-Range Thermometer: Small, bimetallic insertion type with 1- to 2-inch- diameter dial and tapered-end sensing element. Dial range shall be at least 25 to 125 deg F.

    E. High-Range Thermometer: Small, bimetallic insertion type with 1- to 2-inch- diameter dial and tapered-end sensing element. Dial range shall be at least 0 to 220 deg F.

    F. Pressure Gage: Small, Bourdon-tube insertion type with 2- to 3-inch- diameter dial and probe. Dial range shall be at least 0 to 200 psig.

    G. Carrying Case: Metal or plastic, with formed instrument padding.

    2.10 FLOWMETERS

    A. Orifice Flowmeters:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    2. Basis-of-Design Product: Subject to compliance with requirements, provide product by one of the following:

    a. ABB; Instrumentation and Analytical. b. Bell & Gossett; ITT Industries. c. Meriam Process Technologies. d. Preso Meters; a division of Racine Federated Inc. e. S. A. Armstrong Limited; Armstrong Pumps Inc.

    3. Description: Flowmeter with sensor, hoses or tubing, fittings, valves, indicator, and conversion chart.

    4. Flow Range: Sensor and indicator shall cover operating range of equipment or system served.

    5. Sensor: Wafer-orifice-type, calibrated, flow-measuring element; for installation between pipe flanges.

    a. Design: Differential-pressure-type measurement for steam, water . b. Construction: Cast-iron body, brass valves with integral check valves and caps,

    and calibrated nameplate. c. Minimum Pressure Rating: 300 psig. d. Minimum Temperature Rating: 250 deg F.

    6. Permanent Indicators: Meter suitable for wall or bracket mounting, calibrated for connected sensor and having 6-inch- diameter, or equivalent, dial with fittings and copper tubing for connecting to sensor.

    a. Scale: Gallons per minute. b. Accuracy: Plus or minus 1 percent between 20 and 80 percent of scale range.

  • On-Call General Contractor Specifications University of Maryland College Park June 2013

    METERS AND GAGES FOR HVAC PIPING 230519 - 10

    B. Pitot-Tube Flowmeters:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    2. Basis-of-Design Product: Subject to compliance with requirements, provide product by one of the following:

    a. ABB; Instrumentation and Analytical. b. Emerson Process Management; Rosemount. c. Meriam Process Technologies. d. Preso Meters; a division of Racine Federated Inc. e. TACO Incorporated. f. Veris Industries, Inc.

    3. Description: Flowmeter with sensor and indicator. 4. Flow Range: Sensor and indicator shall cover operating range of equipment or system

    served. 5. Sensor: Insertion type; for inserting probe into piping and measuring flow directly in

    gallons per minute.

    a. Design: Differential-pressure-type measurement for water. b. Construction: Stainless-steel probe of length to span inside of pipe, with integral

    transmitter and direct-reading scale. c. Minimum Pressure Rating: 150 psig. d. Minimum Temperature Rating: 250 deg F.

    6. Indicator: Hand-held meter; either an integral part of sensor or a separate meter. 7. Integral Transformer: For low-voltage power connection. 8. Accuracy: Plus or minus 3 percent. 9. Display: Shows rate of flow. 10. Operating Instructions: Include complete instructions with each flowmeter. 11.

    C. Venturi Flowmeters:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    2. Basis-of-Design Product: Subject to compliance with requirements, provide product by one of the following:

    a. ABB; Instrumentation and Analytical. b. Gerand Engineering Co. c. Hyspan Precision Products, Inc. d. Preso Meters; a division of Racine Federated Inc. e. S. A. Armstrong Limited; Armstrong Pumps Inc. f. Victaulic Company.

    3. Description: Flowmeter with calibrated flow-measuring element, hoses or tubing, fittings, valves, indicator, and conversion chart.

    4. Flow Range: Sensor and indicator shall cover operating range of equipment or system served.

  • On-Call General Contractor Specifications University of Maryland College Park June 2013

    METERS AND GAGES FOR HVAC PIPING 230519 - 11

    5. Sensor: Venturi-type, calibrated, flow-measuring element; for installation in piping.

    a. Design: Differential-pressure-type measurement for steam, water . b. Construction: Bronze, brass, or factory-primed steel, with brass fittings and

    attached tag with flow conversion data. c. Minimum Pressure Rating: 250 psig. d. Minimum Temperature Rating: 250 deg F. e. End Connections for NPS 2 and Smaller: Threaded. f. End Connections for NPS 2-1/2 and Larger: Flanged or welded. g. Flow Range: Flow-measuring element and flowmeter shall cover operating range

    of equipment or system served.

    6. Permanent Indicators: Meter suitable for wall or bracket mounting, calibrated for connected flowmeter element, and having 6-inch- diameter, or equivalent, dial with fittings and copper tubing for connecting to flowmeter element.

    a. Scale: Gallons per minute. b. Accuracy: Plus or minus 1 percent between 20 and 80 percent of scale range .

    PART 3 - EXECUTION

    3.1 INSTALLATION

    A. Install thermowells with socket extending a minimum of 2 inches into fluid one-third of pipe diameter and in vertical position in piping tees.

    B. Install thermowells of sizes required to match thermometer connectors. Include bushings if required to match sizes.

    C. Install thermowells with extension on insulated piping.

    D. Fill thermowells with heat-transfer medium.

    E. Install direct-mounted thermometers in thermowells and adjust vertical and tilted positions.

    F. Install remote-mounted thermometer bulbs in thermowells and install cases on panels; connect cases with tubing and support tubing to prevent kinks. Use minimum tubing length.

    G. Install duct-thermometer mounting brackets in walls of ducts. Attach to duct with screws.

    H. Install direct-mounted pressure gages in piping tees with pressure gage located on pipe at the most readable position.

    I. Install remote-mounted pressure gages on panel.

    J. Install valve and snubber in piping for each pressure gage for fluids (except steam).

    K. Install valve and syphon fitting in piping for each pressure gage for steam.

    L. Install test plugs in piping tees.

  • On-Call General Contractor Specifications University of Maryland College Park June 2013

    METERS AND GAGES FOR HVAC PIPING 230519 - 12

    M. Install flow indicators in piping systems in accessible positions for easy viewing.

    N. Assemble and install connections, tubing, and accessories between flow-measuring elements and flowmeters according to manufacturer's written instructions.

    O. Install flowmeter elements in accessible positions in piping systems.

    P. Install wafer-orifice flowmeter elements between pipe flanges.

    Q. Install differential-pressure-type flowmeter elements, with at least minimum straight lengths of pipe, upstream and downstream from element according to manufacturer's written instructions.

    R. Install permanent indicators on walls or brackets in accessible and readable positions.

    S. Install connection fittings in accessible locations for attachment to portable indicators.

    T. Mount thermal-energy meters on wall if accessible; if not, provide brackets to support meters.

    U. Install thermometers in the following locations:

    1. Inlet and outlet of each hydronic zone. 2. Inlet and outlet of each hydronic boiler. 3. Two inlets and two outlets of each chiller. 4. Inlet and outlet of each hydronic coil in air-handling units. 5. Two inlets and two outlets of each hydronic heat exchanger. 6. Inlet and outlet of each thermal-storage tank. 7. Outside-, return-, supply-, and mixed-air ducts.

    V. Install pressure gages in the following locations:

    1. Discharge of each pressure-reducing valve. 2. Inlet and outlet of each chiller chilled-water and condenser-water connection. 3. Suction and discharge of each pump.

    3.2 CONNECTIONS

    A. Install meters and gages adjacent to machines and equipment to allow service and maintenance of meters, gages, machines, and equipment.

    B. Connect flowmeter-system elements to meters.

    C. Connect flowmeter transmitters to meters.

    D. Connect thermal-energy meter transmitters to meters.

    3.3 ADJUSTING

    A. After installation, calibrate meters according to manufacturer's written instructions.

    B. Adjust faces of meters and gages to proper angle for best visibility.

  • On-Call General Contractor Specifications University of Maryland College Park June 2013

    METERS AND GAGES FOR HVAC PIPING 230519 - 13

    3.4 THERMOMETER SCHEDULE

    A. Thermometers at inlet and outlet of each hydronic zone shall be one of the following:

    1. Liquid-filled, bimetallic-actuated type. 2. Test plug with EPDM self-sealing rubber inserts.

    B. Thermometers at inlet and outlet of each hydronic boiler shall be one of the following:

    1. Liquid-filled, bimetallic-actuated type. 2. Test plug with EPDM self-sealing rubber inserts.

    C. Thermometers at inlets and outlets of each chiller shall be one of the following:

    1. Liquid-filled, bimetallic-actuated type. 2. Test plug with EPDM self-sealing rubber inserts.

    D. Thermometers at inlet and outlet of each hydronic coil in air-handling units and built-up central systems shall be one of the following:

    1. Liquid-filled, bimetallic-actuated type. 2. Test plug EPDM self-sealing rubber inserts.

    E. Thermometers at inlets and outlets of each hydronic heat exchanger shall be one of the following:

    1. Liquid-filled, bimetallic-actuated type. 2. Test plug with EPDM self-sealing rubber inserts.

    F. Thermometers at inlet and outlet of each hydronic heat-recovery unit shall be one of the following:

    1. Liquid-filledSealed, bimetallic-actuated type. 2. Test plug EPDM self-sealing rubber inserts.

    G. Thermometers at inlet and outlet of each thermal-storage tank shall be one of the following:

    1. Liquid-filled, bimetallic-actuated type. 2. Test plug with EPDM self-sealing rubber inserts.

    H. Thermometers at outside-, return-, supply-, and mixed-air ducts shall be one of the following:

    1. Liquid-filled, bimetallic-actuated type.

    I. Thermometer stems shall be of length to match thermowell insertion length.

    3.5 THERMOMETER SCALE-RANGE SCHEDULE

    A. Scale Range for Chilled-Water Piping: Minus 40 to plus 160 deg F.

    B. Scale Range for Chilled-Water Piping: 0 to 100 deg F.

  • On-Call General Contractor Specifications University of Maryland College Park June 2013

    METERS AND GAGES FOR HVAC PIPING 230519 - 14

    C. Scale Range for Chilled-Water Piping: 0 to 150 deg F.

    D. Scale Range for Condenser-Water Piping: 0 to 150 deg F.

    E. Scale Range for Heating, Hot-Water Piping: 0 to 250 deg F.

    F. Scale Range for Steam and Steam-Condensate Piping: 0 to 250 deg F.

    G. Scale Range for Air Ducts: 0 to 150 deg F.

    3.6 PRESSURE-GAGE SCHEDULE

    A. Pressure gages at discharge of each pressure-reducing valve shall be one of the following:

    1. Liquid-filled, direct-mounted, metal case. 2. Test plug with EPDM self-sealing rubber inserts.

    B. Pressure gages at inlet and outlet of each chiller chilled-water and condenser-water connection shall be one of the following:

    1. Liquid-filled, direct-mounted, metal case. 2. Test plug with EPDM self-sealing rubber inserts.

    C. Pressure gages at suction and discharge of each pump shall be one of the following:

    1. Liquid-filled, direct-mounted, metal case. 2. Test plug with EPDM self-sealing rubber inserts.

    3.7 PRESSURE-GAGE SCALE-RANGE SCHEDULE

    A. Scale Range for Chilled-Water Piping: 0 to 160 psi.

    B. Scale Range for Condenser-Water Piping: 0 to 160 psi.

    C. Scale Range for Heating, Hot-Water Piping: 0 to 160 psi.

    D. Scale Range for Steam Piping: 0 to 300 psi.

    3.8 FLOWMETER SCHEDULE

    A. Flowmeters for Chilled-Water Piping: Orifice, Pitot-tube type.

    B. Flowmeters for Condenser-Water Piping: Orifice, Pitot-tube type.

    C. Flowmeters for Heating, Hot-Water Piping: Orifice, Pitot-tube type.

    D. Flowmeters for Steam and Steam-Condensate Piping: Orifice, Venturi type.

  • On-Call General Contractor Specifications University of Maryland College Park June 2013

    METERS AND GAGES FOR HVAC PIPING 230519 - 15

    END OF SECTION 230519

  • On-Call General Contractor Specifications University of Maryland College Park June 2013

    GENERAL-DUTY VALVES FOR HVAC PIPING 230523 - 1

    SECTION 230523 - GENERAL-DUTY VALVES FOR HVAC PIPING

    PART 1 - GENERAL

    1.1 RELATED DOCUMENTS

    A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

    1.2 SUMMARY

    A. Section Includes:

    1. Bronze angle valves. 2. Brass ball valves. 3. Bronze ball valves. 4. Iron ball valves. 5. Iron, single-flange butterfly valves. 6. Iron, grooved-end butterfly valves. 7. High-performance butterfly valves. 8. Bronze lift check valves. 9. Bronze swing check valves. 10. Iron swing check valves. 11. Iron swing check valves with closure control. 12. Iron, grooved-end swing-check valves. 13. Iron, center-guided check valves. 14. Iron, plate-type check valves. 15. Bronze gate valves. 16. Iron gate valves. 17. Bronze globe valves. 18. Iron globe valves. 19. Lubricated plug valves. 20. Eccentric plug valves. 21. Chainwheels.

    B. Related Sections:

    1. Division 23 HVAC piping Sections for specialty valves applicable to those Sections only. 2. Division 23 Section "Identification for HVAC Piping and Equipment" for valve tags and

    schedules.

    1.3 DEFINITIONS

    A. CWP: Cold working pressure.

    B. EPDM: Ethylene propylene copolymer rubber.

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    C. NBR: Acrylonitrile-butadiene, Buna-N, or nitrile rubber.

    D. NRS: Nonrising stem.

    E. OS&Y: Outside screw and yoke.

    F. RS: Rising stem.

    G. SWP: Steam working pressure.

    1.4 SUBMITTALS

    A. Product Data: For each type of valve indicated.

    1.5 QUALITY ASSURANCE

    A. Source Limitations for Valves: Obtain each type of valve from single source from single manufacturer.

    B. ASME Compliance:

    1. ASME B16.10 and ASME B16.34 for ferrous valve dimensions and design criteria. 2. ASME B31.1 for power piping valves. 3. ASME B31.9 for building services piping valves.

    1.6 DELIVERY, STORAGE, AND HANDLING

    A. Prepare valves for shipping as follows:

    1. Protect internal parts against rust and corrosion. 2. Protect threads, flange faces, grooves, and weld ends. 3. Set angle, gate, and globe valves closed to prevent rattling. 4. Set ball and plug valves open to minimize exposure of functional surfaces. 5. Set butterfly valves closed or slightly open. 6. Block check valves in either closed or open position.

    B. Use the following precautions during storage:

    1. Maintain valve end protection. 2. Store valves indoors and maintain at higher than ambient dew point temperature. If

    outdoor storage is necessary, store valves off the ground in watertight enclosures.

    C. Use sling to handle large valves; rig sling to avoid damage to exposed parts. Do not use handwheels or stems as lifting or rigging points.

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    PART 2 - PRODUCTS

    2.1 GENERAL REQUIREMENTS FOR VALVES

    A. Refer to HVAC valve schedule articles for applications of valves.

    B. Valve Pressure and Temperature Ratings: Not less than indicated and as required for system pressures and temperatures.

    C. Valve Sizes: Same as upstream piping unless otherwise indicated.

    D. Valve Actuator Types:

    1. Gear Actuator: For quarter-turn valves NPS 8 and larger. 2. Handwheel: For valves other than quarter-turn types. 3. Handlever: For quarter-turn valves NPS 6 and smaller except plug valves. 4. Wrench: For plug valves with square heads. Furnish Owner with 1 wrench for every

    plug valves, for each size square plug-valve head. 5. Chainwheel: Device for attachment to valve handwheel, stem, or other actuator; of size

    and with chain for mounting height, as indicated in the "Valve Installation" Article.

    E. Valves in Insulated Piping: With 2-inch stem extensions and the following features:

    1. Gate Valves: With rising stem. 2. Ball Valves: With extended operating handle of non-thermal-conductive material, and

    protective sleeve that allows operation of valve without breaking the vapor seal or disturbing insulation.

    3. Butterfly Valves: With extended neck.

    F. Valve-End Connections:

    1. Flanged: With flanges according to ASME B16.1 for iron valves. 2. Grooved: With grooves according to AWWA C606. 3. Solder Joint: With sockets according to ASME B16.18. 4. Threaded: With threads according to ASME B1.20.1.

    G. Valve Bypass and Drain Connections: MSS SP-45.

    2.2 BRONZE ANGLE VALVES

    A. Class 125, Bronze Angle Valves with Bronze Disc:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. Hammond Valve. b. Milwaukee Valve Company.

    2. Description:

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    a. Standard: MSS SP-80, Type 1. b. CWP Rating: 200 psig. c. Body Material: ASTM B 62, bronze with integral seat and screw-in bonnet. d. Ends: Threaded. e. Stem and Disc: Bronze. f. Packing: Asbestos free. g. Handwheel: Malleable iron or aluminum.

    B. Class 125, Bronze Angle Valves with Nonmetallic Disc:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. American Valve, Inc. b. NIBCO INC.

    2. Description:

    a. Standard: MSS SP-80, Type 2. b. CWP Rating: 200 psig. c. Body Material: ASTM B 62, bronze with integral seat and screw-in bonnet. d. Ends: Threaded. e. Stem: Bronze. f. Disc: PTFE or TFE. g. Packing: Asbestos free. h. Handwheel: Malleable iron or aluminum.

    C. Class 150, Bronze Angle Valves with Bronze Disc:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. Crane Co.; Crane Valve Group; Stockham Division. b. Kitz Corporation.

    2. Description:

    a. Standard: MSS SP-80, Type 1. b. CWP Rating: 300 psig. c. Body Material: ASTM B 62, bronze with integral seat and union-ring bonnet. d. Ends: Threaded. e. Stem and Disc: Bronze. f. Packing: Asbestos free. g. Handwheel: Malleable iron or aluminum.

    D. Class 150, Bronze Angle Valves with Nonmetallic Disc:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. Crane Co.; Crane Valve Group; Crane Valves.

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    b. Crane Co.; Crane Valve Group; Jenkins Valves. c. Crane Co.; Crane Valve Group; Stockham Division. d. Hammond Valve. e. Milwaukee Valve Company. f. NIBCO INC. g. Powell Valves.

    2. Description:

    a. Standard: MSS SP-80, Type 2. b. CWP Rating: 300 psig. c. Body Material: ASTM B 62, bronze with integral seat and union-ring bonnet. d. Ends: Threaded. e. Stem: Bronze. f. Disc: PTFE or TFE. g. Packing: Asbestos free. h. Handwheel: Malleable iron or aluminum.

    2.3 BRASS BALL VALVES

    A. One-Piece, Reduced-Port, Brass Ball Valves with Brass Trim:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. Kitz Corporation.

    2. Description:

    a. Standard: MSS SP-110. b. CWP Rating: 400 psig. c. Body Design: One piece. d. Body Material: Forged brass. e. Ends: Threaded. f. Seats: PTFE or TFE. g. Stem: Brass. h. Ball: Chrome-plated brass. i. Port: Reduced.

    B. Two-Piece, Full-Port, Brass Ball Valves with Brass Trim:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. Crane Co.; Crane Valve Group; Crane Valves. b. Crane Co.; Crane Valve Group; Jenkins Valves. c. DynaQuip Controls. d. Flow-Tek, Inc.; a subsidiary of Bray International, Inc. e. Hammond Valve. f. Jamesbury; a subsidiary of Metso Automation.

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    g. Jomar International, LTD. h. Kitz Corporation. i. Legend Valve. j. Marwin Valve; a division of Richards Industries. k. Milwaukee Valve Company. l. NIBCO INC. m. Red-White Valve Corporation. n. RuB Inc.

    2. Description:

    a. Standard: MSS SP-110. b. SWP Rating: 150 psig. c. CWP Rating: 600 psig. d. Body Design: Two piece. e. Body Material: Forged brass. f. Ends: Threaded. g. Seats: PTFE or TFE. h. Stem: Brass. i. Ball: Chrome-plated brass. j. Port: Full.

    C. Two-Piece, Full-Port, Brass Ball Valves with Stainless-Steel Trim:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. Crane Co.; Crane Valve Group; Crane Valves. b. Crane Co.; Crane Valve Group; Jenkins Valves. c. Flow-Tek, Inc.; a subsidiary of Bray International, Inc. d. Hammond Valve. e. Jamesbury; a subsidiary of Metso Automation. f. Kitz Corporation. g. Marwin Valve; a division of Richards Industries. h. Milwaukee Valve Company. i. RuB Inc.

    2. Description:

    a. Standard: MSS SP-110. b. SWP Rating: 150 psig. c. CWP Rating: 600 psig. d. Body Design: Two piece. e. Body Material: Forged brass. f. Ends: Threaded. g. Seats: PTFE or TFE. h. Stem: Stainless steel. i. Ball: Stainless steel, vented. j. Port: Full.

    D. Two-Piece, Regular-Port, Brass Ball Valves with Brass Trim:

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    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. Hammond Valve. b. Jamesbury; a subsidiary of Metso Automation. c. Legend Valve. d. Marwin Valve; a division of Richards Industries. e. Milwaukee Valve Company.

    2. Description:

    a. Standard: MSS SP-110. b. SWP Rating: 150 psig. c. CWP Rating: 600 psig. d. Body Design: Two piece. e. Body Material: Forged brass. f. Ends: Threaded. g. Seats: PTFE or TFE. h. Stem: Brass. i. Ball: Chrome-plated brass. j. Port: Regular.

    E. Two-Piece, Regular-Port, Brass Ball Valves with Stainless-Steel Trim:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. Jamesbury; a subsidiary of Metso Automation. b. Marwin Valve; a division of Richards Industries.

    2. Description:

    a. Standard: MSS SP-110. b. SWP Rating: 150 psig. c. CWP Rating: 600 psig. d. Body Design: Two piece. e. Body Material: Brass or bronze. f. Ends: Threaded. g. Seats: PTFE or TFE. h. Stem: Stainless steel. i. Ball: Stainless steel, vented. j. Port: Regular.

    F. Three-Piece, Full-Port, Brass Ball Valves with Brass Trim:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. Jomar International, LTD. b. Kitz Corporation. c. Red-White Valve Corporation.

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    d. Watts Regulator Co.; a division of Watts Water Technologies, Inc.

    2. Description:

    a. Standard: MSS SP-110. b. SWP Rating: 150 psig. c. CWP Rating: 600 psig. d. Body Design: Three piece. e. Body Material: Forged brass. f. Ends: Threaded. g. Seats: PTFE or TFE. h. Stem: Brass. i. Ball: Chrome-plated brass. j. Port: Full.

    G. Three-Piece, Full-Port, Brass Ball Valves with Stainless-Steel Trim:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. Jomar International, LTD. b. Kitz Corporation. c. Marwin Valve; a division of Richards Industries. d. Watts Regulator Co.; a division of Watts Water Technologies, Inc.

    2. Description:

    a. Standard: MSS SP-110. b. SWP Rating: 150 psig. c. CWP Rating: 600 psig. d. Body Design: Three piece. e. Body Material: Forged brass. f. Ends: Threaded. g. Seats: PTFE or TFE. h. Stem: Stainless steel. i. Ball: Stainless steel, vented. j. Port: Full.

    2.4 BRONZE BALL VALVES

    A. One-Piece, Reduced-Port, Bronze Ball Valves with Bronze Trim:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. American Valve, Inc. b. Conbraco Industries, Inc.; Apollo Valves. c. NIBCO INC.

    2. Description:

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    a. Standard: MSS SP-110. b. CWP Rating: 400 psig. c. Body Design: One piece. d. Body Material: Bronze. e. Ends: Threaded. f. Seats: PTFE or TFE. g. Stem: Bronze. h. Ball: Chrome-plated brass. i. Port: Reduced.

    B. One-Piece, Reduced-Port, Bronze Ball Valves with Stainless-Steel Trim:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. Conbraco Industries, Inc.; Apollo Valves. b. NIBCO INC.

    2. Description:

    a. Standard: MSS SP-110. b. CWP Rating: 600 psig. c. Body Design: One piece. d. Body Material: Bronze. e. Ends: Threaded. f. Seats: PTFE or TFE. g. Stem: Stainless steel. h. Ball: Stainless steel, vented. i. Port: Reduced.

    C. Two-Piece, Full-Port, Bronze Ball Valves with Bronze Trim:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. American Valve, Inc. b. Conbraco Industries, Inc.; Apollo Valves. c. Crane Co.; Crane Valve Group; Crane Valves. d. Hammond Valve. e. Lance Valves; a division of Advanced Thermal Systems, Inc. f. Legend Valve. g. Milwaukee Valve Company. h. NIBCO INC. i. Red-White Valve Corporation. j. Watts Regulator Co.; a division of Watts Water Technologies, Inc.

    2. Description:

    a. Standard: MSS SP-110. b. SWP Rating: 150 psig.

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    c. CWP Rating: 600 psig. d. Body Design: Two piece. e. Body Material: Bronze. f. Ends: Threaded. g. Seats: PTFE or TFE. h. Stem: Bronze. i. Ball: Chrome-plated brass. j. Port: Full.

    D. Two-Piece, Full-Port, Bronze Ball Valves with Stainless-Steel Trim:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. Conbraco Industries, Inc.; Apollo Valves. b. Crane Co.; Crane Valve Group; Crane Valves. c. Hammond Valve. d. Lance Valves; a division of Advanced Thermal Systems, Inc. e. Milwaukee Valve Company. f. NIBCO INC. g. Watts Regulator Co.; a division of Watts Water Technologies, Inc.

    2. Description:

    a. Standard: MSS SP-110. b. SWP Rating: 150 psig. c. CWP Rating: 600 psig. d. Body Design: Two piece. e. Body Material: Bronze. f. Ends: Threaded. g. Seats: PTFE or TFE. h. Stem: Stainless steel. i. Ball: Stainless steel, vented. j. Port: Full.

    E. Two-Piece, Regular-Port, Bronze Ball Valves with Bronze Trim:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. American Valve, Inc. b. Conbraco Industries, Inc.; Apollo Valves. c. Crane Co.; Crane Valve Group; Jenkins Valves. d. Crane Co.; Crane Valve Group; Stockham Division. e. DynaQuip Controls. f. Hammond Valve. g. Lance Valves; a division of Advanced Thermal Systems, Inc. h. Milwaukee Valve Company. i. NIBCO INC.

    2. Description:

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    a. Standard: MSS SP-110. b. SWP Rating: 150 psig. c. CWP Rating: 600 psig. d. Body Design: Two piece. e. Body Material: Bronze. f. Ends: Threaded. g. Seats: PTFE or TFE. h. Stem: Bronze. i. Ball: Chrome-plated brass. j. Port: Regular.

    F. Two-Piece, Regular-Port, Bronze Ball Valves with Stainless-Steel Trim:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. Conbraco Industries, Inc.; Apollo Valves. b. Crane Co.; Crane Valve Group; Jenkins Valves. c. Hammond Valve. d. Milwaukee Valve Company.

    2. Description:

    a. Standard: MSS SP-110. b. SWP Rating: 150 psig. c. CWP Rating: 600 psig. d. Body Design: Two piece. e. Body Material: Bronze. f. Ends: Threaded. g. Seats: PTFE or TFE. h. Stem: Stainless steel. i. Ball: Stainless steel, vented. j. Port: Regular.

    G. Three-Piece, Full-Port, Bronze Ball Valves with Bronze Trim:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. Conbraco Industries, Inc.; Apollo Valves. b. DynaQuip Controls. c. Hammond Valve. d. Milwaukee Valve Company. e. NIBCO INC. f. Red-White Valve Corporation.

    2. Description:

    a. Standard: MSS SP-110. b. SWP Rating: 150 psig. c. CWP Rating: 600 psig.

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    d. Body Design: Three piece. e. Body Material: Bronze. f. Ends: Threaded. g. Seats: PTFE or TFE. h. Stem: Bronze. i. Ball: Chrome-plated brass. j. Port: Full.

    H. Three-Piece, Full-Port, Bronze Ball Valves with Stainless-Steel Trim:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. Conbraco Industries, Inc.; Apollo Valves. b. Hammond Valve. c. Milwaukee Valve Company. d. NIBCO INC.

    2. Description:

    a. Standard: MSS SP-110. b. SWP Rating: 150 psig. c. CWP Rating: 600 psig. d. Body Design: Three piece. e. Body Material: Bronze. f. Ends: Threaded. g. Seats: PTFE or TFE. h. Stem: Stainless steel. i. Ball: Stainless steel, vented. j. Port: Full.

    2.5 IRON BALL VALVES

    A. Class 125, Iron Ball Valves:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. American Valve, Inc. b. Conbraco Industries, Inc.; Apollo Valves. c. Kitz Corporation. d. Sure Flow Equipment Inc. e. Watts Regulator Co.; a division of Watts Water Technologies, Inc.

    2. Description:

    a. Standard: MSS SP-72. b. CWP Rating: 200 psig. c. Body Design: Split body. d. Body Material: ASTM A 126, gray iron.

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    e. Ends: Flanged. f. Seats: PTFE or TFE. g. Stem: Stainless steel. h. Ball: Stainless steel. i. Port: Full.

    2.6 IRON, SINGLE-FLANGE BUTTERFLY VALVES

    A. 150 CWP, Iron, Single-Flange Butterfly Valves with EPDM Seat and Aluminum-Bronze Disc:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. ABZ Valve and Controls; a division of ABZ Manufacturing, Inc. b. Bray Controls; a division of Bray International. c. Conbraco Industries, Inc.; Apollo Valves. d. Cooper Cameron Valves; a division of Cooper Cameron Corp. e. Crane Co.; Crane Valve Group; Jenkins Valves. f. Crane Co.; Crane Valve Group; Stockham Division. g. DeZurik Water Controls. h. Hammond Valve. i. Kitz Corporation. j. Milwaukee Valve Company. k. NIBCO INC. l. Norriseal; a Dover Corporation company. m. Red-White Valve Corporation. n. Spence Strainers International; a division of CIRCOR International. o. Tyco Valves & Controls; a unit of Tyco Flow Control. p. Watts Regulator Co.; a division of Watts Water Technologies, Inc.

    2. Description:

    a. Standard: MSS SP-67, Type I. b. CWP Rating: 150 psig. c. Body Design: Lug type; suitable for bidirectional dead-end service at rated

    pressure without use of downstream flange. d. Body Material: ASTM A 126, cast iron or ASTM A 536, ductile iron. e. Seat: EPDM. f. Stem: One- or two-piece stainless steel. g. Disc: Aluminum bronze.

    B. 150 CWP, Iron, Single-Flange Butterfly Valves with NBR Seat and Aluminum-Bronze Disc:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. ABZ Valve and Controls; a division of ABZ Manufacturing, Inc. b. Bray Controls; a division of Bray International. c. Conbraco Industries, Inc.; Apollo Valves. d. Cooper Cameron Valves; a division of Cooper Cameron Corp.

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    e. Crane Co.; Crane Valve Group; Jenkins Valves. f. Crane Co.; Crane Valve Group; Stockham Division. g. DeZurik Water Controls. h. Hammond Valve. i. Kitz Corporation. j. Milwaukee Valve Company. k. NIBCO INC. l. Norriseal; a Dover Corporation company. m. Red-White Valve Corporation. n. Spence Strainers International; a division of CIRCOR International. o. Tyco Valves & Controls; a unit of Tyco Flow Control. p. Watts Regulator Co.; a division of Watts Water Technologies, Inc.

    2. Description:

    a. Standard: MSS SP-67, Type I. b. CWP Rating: 150 psig. c. Body Design: Lug type; suitable for bidirectional dead-end service at rated

    pressure without use of downstream flange. d. Body Material: ASTM A 126, cast iron or ASTM A 536, ductile iron. e. Seat: NBR. f. Stem: One- or two-piece stainless steel. g. Disc: Aluminum bronze.

    C. 150 CWP, Iron, Single-Flange Butterfly Valves with EPDM Seat and Ductile-Iron Disc:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. ABZ Valve and Controls; a division of ABZ Manufacturing, Inc. b. Bray Controls; a division of Bray International. c. Conbraco Industries, Inc.; Apollo Valves. d. Cooper Cameron Valves; a division of Cooper Cameron Corp. e. Crane Co.; Crane Valve Group; Center Line. f. Crane Co.; Crane Valve Group; Stockham Division. g. DeZurik Water Controls. h. Hammond Valve. i. Kitz Corporation. j. Milwaukee Valve Company. k. Mueller Steam Specialty; a division of SPX Corporation. l. NIBCO INC. m. Norriseal; a Dover Corporation company. n. Spence Strainers International; a division of CIRCOR International. o. Sure Flow Equipment Inc. p. Tyco Valves & Controls; a unit of Tyco Flow Control. q. Watts Regulator Co.; a division of Watts Water Technologies, Inc.

    2. Description:

    a. Standard: MSS SP-67, Type I. b. CWP Rating: 150 psig.

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    c. Body Design: Lug type; suitable for bidirectional dead-end service at rated pressure without use of downstream flange.

    d. Body Material: ASTM A 126, cast iron or ASTM A 536, ductile iron. e. Seat: EPDM. f. Stem: One- or two-piece stainless steel. g. Disc: Nickel-plated or -coated ductile iron.

    D. 150 CWP, Iron, Single-Flange Butterfly Valves with NBR Seat and Ductile-Iron Disc:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. ABZ Valve and Controls; a division of ABZ Manufacturing, Inc. b. Bray Controls; a division of Bray International. c. Conbraco Industries, Inc.; Apollo Valves. d. Cooper Cameron Valves; a division of Cooper Cameron Corp. e. Crane Co.; Crane Valve Group; Center Line. f. Crane Co.; Crane Valve Group; Stockham Division. g. DeZurik Water Controls. h. Hammond Valve. i. Kitz Corporation. j. Milwaukee Valve Company. k. Mueller Steam Specialty; a division of SPX Corporation. l. NIBCO INC. m. Norriseal; a Dover Corporation company. n. Spence Strainers International; a division of CIRCOR International. o. Sure Flow Equipment Inc. p. Tyco Valves & Controls; a unit of Tyco Flow Control. q. Watts Regulator Co.; a division of Watts Water Technologies, Inc.

    2. Description:

    a. Standard: MSS SP-67, Type I. b. CWP Rating: 150 psig. c. Body Design: Lug type; suitable for bidirectional dead-end service at rated

    pressure without use of downstream flange. d. Body Material: ASTM A 126, cast iron or ASTM A 536, ductile iron. e. Seat: NBR. f. Stem: One- or two-piece stainless steel. g. Disc: Nickel-plated or -coated ductile iron.

    E. 150 CWP, Iron, Single-Flange Butterfly Valves with EPDM Seat and Stainless-Steel Disc:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. ABZ Valve and Controls; a division of ABZ Manufacturing, Inc. b. Bray Controls; a division of Bray International. c. Conbraco Industries, Inc.; Apollo Valves. d. Cooper Cameron Valves; a division of Cooper Cameron Corp. e. Crane Co.; Crane Valve Group; Jenkins Valves.

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    f. Crane Co.; Crane Valve Group; Stockham Division. g. DeZurik Water Controls. h. Hammond Valve. i. Kitz Corporation. j. Milwaukee Valve Company. k. Mueller Steam Specialty; a division of SPX Corporation. l. NIBCO INC. m. Norriseal; a Dover Corporation company. n. Red-White Valve Corporation. o. Spence Strainers International; a division of CIRCOR International. p. Sure Flow Equipment Inc. q. Tyco Valves & Controls; a unit of Tyco Flow Control. r. Watts Regulator Co.; a division of Watts Water Technologies, Inc.

    2. Description:

    a. Standard: MSS SP-67, Type I. b. CWP Rating: 150 psig. c. Body Design: Lug type; suitable for bidirectional dead-end service at rated

    pressure without use of downstream flange. d. Body Material: ASTM A 126, cast iron or ASTM A 536, ductile iron. e. Seat: EPDM. f. Stem: One- or two-piece stainless steel. g. Disc: Stainless steel.

    F. 150 CWP, Iron, Single-Flange Butterfly Valves with NBR Seat and Stainless-Steel Disc:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. ABZ Valve and Controls; a division of ABZ Manufacturing, Inc. b. Bray Controls; a division of Bray International. c. Conbraco Industries, Inc.; Apollo Valves. d. Cooper Cameron Valves; a division of Cooper Cameron Corp. e. Crane Co.; Crane Valve Group; Jenkins Valves. f. Crane Co.; Crane Valve Group; Stockham Division. g. DeZurik Water Controls. h. Hammond Valve. i. Kitz Corporation. j. Milwaukee Valve Company. k. Mueller Steam Specialty; a division of SPX Corporation. l. NIBCO INC. m. Norriseal; a Dover Corporation company. n. Red-White Valve Corporation. o. Spence Strainers International; a division of CIRCOR International. p. Sure Flow Equipment Inc. q. Watts Regulator Co.; a division of Watts Water Technologies, Inc.

    2. Description:

    a. Standard: MSS SP-67, Type I.

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    b. CWP Rating: 150 psig. c. Body Design: Lug type; suitable for bidirectional dead-end service at rated

    pressure without use of downstream flange. d. Body Material: ASTM A 126, cast iron or ASTM A 536, ductile iron. e. Seat: NBR. f. Stem: One- or two-piece stainless steel. g. Disc: Stainless steel.

    G. 200 CWP, Iron, Single-Flange Butterfly Valves with EPDM Seat and Aluminum-Bronze Disc:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. ABZ Valve and Controls; a division of ABZ Manufacturing, Inc. b. Conbraco Industries, Inc.; Apollo Valves. c. Cooper Cameron Valves; a division of Cooper Cameron Corp. d. Crane Co.; Crane Valve Group; Jenkins Valves. e. Crane Co.; Crane Valve Group; Stockham Division. f. DeZurik Water Controls. g. Flo Fab Inc. h. Hammond Valve. i. Kitz Corporation. j. Legend Valve. k. Milwaukee Valve Company. l. NIBCO INC. m. Norriseal; a Dover Corporation company. n. Red-White Valve Corporation. o. Spence Strainers International; a division of CIRCOR International. p. Watts Regulator Co.; a division of Watts Water Technologies, Inc.

    2. Description:

    a. Standard: MSS SP-67, Type I. b. CWP Rating: 200 psig. c. Body Design: Lug type; suitable for bidirectional dead-end service at rated

    pressure without use of downstream flange. d. Body Material: ASTM A 126, cast iron or ASTM A 536, ductile iron. e. Seat: EPDM. f. Stem: One- or two-piece stainless steel. g. Disc: Aluminum bronze.

    H. 200 CWP, Iron, Single-Flange Butterfly Valves with NBR Seat and Aluminum-Bronze Disc:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. ABZ Valve and Controls; a division of ABZ Manufacturing, Inc. b. Conbraco Industries, Inc.; Apollo Valves. c. Cooper Cameron Valves; a division of Cooper Cameron Corp. d. Crane Co.; Crane Valve Group; Jenkins Valves. e. Crane Co.; Crane Valve Group; Stockham Division.

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    f. DeZurik Water Controls. g. Flo Fab Inc. h. Hammond Valve. i. Kitz Corporation. j. Legend Valve. k. Milwaukee Valve Company. l. NIBCO INC. m. Norriseal; a Dover Corporation company. n. Red-White Valve Corporation. o. Spence Strainers International; a division of CIRCOR International. p. Watts Regulator Co.; a division of Watts Water Technologies, Inc.

    2. Description:

    a. Standard: MSS SP-67, Type I. b. CWP Rating: 200 psig. c. Body Design: Lug type; suitable for bidirectional dead-end service at rated

    pressure without use of downstream flange. d. Body Material: ASTM A 126, cast iron or ASTM A 536, ductile iron. e. Seat: NBR. f. Stem: One- or two-piece stainless steel. g. Disc: Aluminum bronze.

    I. 200 CWP, Iron, Single-Flange Butterfly Valves with EPDM Seat and Ductile-Iron Disc:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. ABZ Valve and Controls; a division of ABZ Manufacturing, Inc. b. American Valve, Inc. c. Conbraco Industries, Inc.; Apollo Valves. d. Cooper Cameron Valves; a division of Cooper Cameron Corp. e. Crane Co.; Crane Valve Group; Center Line. f. Crane Co.; Crane Valve Group; Stockham Division. g. DeZurik Water Controls. h. Flo Fab Inc. i. Hammond Valve. j. Kitz Corporation. k. Legend Valve. l. Milwaukee Valve Company. m. Mueller Steam Specialty; a division of SPX Corporation. n. NIBCO INC. o. Norriseal; a Dover Corporation company. p. Spence Strainers International; a division of CIRCOR International. q. Sure Flow Equipment Inc. r. Watts Regulator Co.; a division of Watts Water Technologies, Inc.

    2. Description:

    a. Standard: MSS SP-67, Type I. b. CWP Rating: 200 psig.

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    c. Body Design: Lug type; suitable for bidirectional dead-end service at rated pressure without use of downstream flange.

    d. Body Material: ASTM A 126, cast iron or ASTM A 536, ductile iron. e. Seat: EPDM. f. Stem: One- or two-piece stainless steel. g. Disc: Nickel-plated or -coated ductile iron.

    J. 200 CWP, Iron, Single-Flange Butterfly Valves with NBR Seat and Ductile-Iron Disc:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. ABZ Valve and Controls; a division of ABZ Manufacturing, Inc. b. American Valve, Inc. c. Conbraco Industries, Inc.; Apollo Valves. d. Cooper Cameron Valves; a division of Cooper Cameron Corp. e. Crane Co.; Crane Valve Group; Center Line. f. Crane Co.; Crane Valve Group; Stockham Division. g. DeZurik Water Controls. h. Flo Fab Inc. i. Hammond Valve. j. Kitz Corporation. k. Legend Valve. l. Milwaukee Valve Company. m. Mueller Steam Specialty; a division of SPX Corporation. n. NIBCO INC. o. Norriseal; a Dover Corporation company. p. Spence Strainers International; a division of CIRCOR International. q. Sure Flow Equipment Inc. r. Watts Regulator Co.; a division of Watts Water Technologies, Inc.

    2. Description:

    a. Standard: MSS SP-67, Type I. b. CWP Rating: 200 psig. c. Body Design: Lug type; suitable for bidirectional dead-end service at rated

    pressure without use of downstream flange. d. Body Material: ASTM A 126, cast iron or ASTM A 536, ductile iron. e. Seat: NBR. f. Stem: One- or two-piece stainless steel. g. Disc: Nickel-plated or -coated ductile iron.

    K. 200 CWP, Iron, Single-Flange Butterfly Valves with EPDM Seat and Stainless-Steel Disc:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. ABZ Valve and Controls; a division of ABZ Manufacturing, Inc. b. American Valve, Inc. c. Conbraco Industries, Inc.; Apollo Valves. d. Cooper Cameron Valves; a division of Cooper Cameron Corp.

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    e. Crane Co.; Crane Valve Group; Jenkins Valves. f. Crane Co.; Crane Valve Group; Stockham Division. g. DeZurik Water Controls. h. Flo Fab Inc. i. Hammond Valve. j. Kitz Corporation. k. Legend Valve. l. Milwaukee Valve Company. m. Mueller Steam Specialty; a division of SPX Corporation. n. NIBCO INC. o. Norriseal; a Dover Corporation company. p. Red-White Valve Corporation. q. Spence Strainers International; a division of CIRCOR International. r. Sure Flow Equipment Inc. s. Watts Regulator Co.; a division of Watts Water Technologies, Inc.

    2. Description:

    a. Standard: MSS SP-67, Type I. b. CWP Rating: 200 psig. c. Body Design: Lug type; suitable for bidirectional dead-end service at rated

    pressure without use of downstream flange. d. Body Material: ASTM A 126, cast iron or ASTM A 536, ductile iron. e. Seat: EPDM. f. Stem: One- or two-piece stainless steel. g. Disc: Stainless steel.

    L. 200 CWP, Iron, Single-Flange Butterfly Valves with NBR Seat and Stainless-Steel Disc:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. ABZ Valve and Controls; a division of ABZ Manufacturing, Inc. b. American Valve, Inc. c. Conbraco Industries, Inc.; Apollo Valves. d. Cooper Cameron Valves; a division of Cooper Cameron Corp. e. Crane Co.; Crane Valve Group; Jenkins Valves. f. Crane Co.; Crane Valve Group; Stockham Division. g. DeZurik Water Controls. h. Flo Fab Inc. i. Hammond Valve. j. Kitz Corporation. k. Legend Valve. l. Milwaukee Valve Company. m. Mueller Steam Specialty; a division of SPX Corporation. n. NIBCO INC. o. Norriseal; a Dover Corporation company. p. Red-White Valve Corporation. q. Spence Strainers International; a division of CIRCOR International. r. Sure Flow Equipment Inc. s. Watts Regulator Co.; a division of Watts Water Technologies, Inc.

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    2. Description:

    a. Standard: MSS SP-67, Type I. b. CWP Rating: 200 psig. c. Body Design: Lug type; suitable for bidirectional dead-end service at rated

    pressure without use of downstream flange. d. Body Material: ASTM A 126, cast iron or ASTM A 536, ductile iron. e. Seat: NBR. f. Stem: One- or two-piece stainless steel. g. Disc: Stainless steel.

    2.7 IRON, GROOVED-END BUTTERFLY VALVES

    A. 175 CWP, Iron, Grooved-End Butterfly Valves:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. Kennedy Valve; a division of McWane, Inc. b. Shurjoint Piping Products. c. Tyco Fire Products LP; Grinnell Mechanical Products. d. Victaulic Company.

    2. Description:

    a. Standard: MSS SP-67, Type I. b. CWP Rating: 175 psig. c. Body Material: Coated, ductile iron. d. Stem: Two-piece stainless steel. e. Disc: Coated, ductile iron. f. Seal: EPDM.

    B. 300 CWP, Iron, Grooved-End Butterfly Valves:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. Anvil International, Inc. b. Kennedy Valve; a division of McWane, Inc. c. Mueller Steam Specialty; a division of SPX Corporation. d. NIBCO INC. e. Shurjoint Piping Products. f. Tyco Fire Products LP; Grinnell Mechanical Products. g. Victaulic Company.

    2. Description:

    a. Standard: MSS SP-67, Type I. b. NPS 8 and Smaller CWP Rating: 300 psig. c. NPS 10 and Larger CWP Rating: 200 psig.

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    d. Body Material: Coated, ductile iron. e. Stem: Two-piece stainless steel. f. Disc: Coated, ductile iron. g. Seal: EPDM.

    2.8 HIGH-PERFORMANCE BUTTERFLY VALVES

    A. Class 150, Single-Flange, High-Performance Butterfly Valves:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. ABZ Valve and Controls; a division of ABZ Manufacturing, Inc. b. Bray Controls; a division of Bray International. c. Cooper Cameron Valves; a division of Cooper Cameron Corp. d. Crane Co.; Crane Valve Group; Flowseal. e. Crane Co.; Crane Valve Group; Stockham Division. f. DeZurik Water Controls. g. Hammond Valve. h. Jamesbury; a subsidiary of Metso Automation. i. Milwaukee Valve Company. j. NIBCO INC. k. Process Development & Control, Inc. l. Tyco Valves & Controls; a unit of Tyco Flow Control. m. Xomox Corporation.

    2. Description:

    a. Standard: MSS SP-68. b. CWP Rating: 285 psig at 100 deg F. c. Body Design: Lug type; suitable for bidirectional dead-end service at rated

    pressure without use of downstream flange. d. Body Material: Carbon steel, cast iron, ductile iron, or stainless steel. e. Seat: Reinforced PTFE or metal. f. Stem: Stainless steel; offset from seat plane. g. Disc: Carbon steel. h. Service: Bidirectional.

    B. Class 300, Single-Flange, High-Performance Butterfly Valves:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. ABZ Valve and Controls; a division of ABZ Manufacturing, Inc. b. Bray Controls; a division of Bray International. c. Cooper Cameron Valves; a division of Cooper Cameron Corp. d. Crane Co.; Crane Valve Group; Flowseal. e. Crane Co.; Crane Valve Group; Stockham Division. f. DeZurik Water Controls. g. Hammond Valve.

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    h. Jamesbury; a subsidiary of Metso Automation. i. Milwaukee Valve Company. j. NIBCO INC. k. Process Development & Control, Inc. l. Tyco Valves & Controls; a unit of Tyco Flow Control. m. Xomox Corporation.

    2. Description:

    a. Standard: MSS SP-68. b. CWP Rating: 720 psig at 100 deg F. c. Body Design: Lug type; suitable for bidirectional dead-end service at rated

    pressure without use of downstream flange. d. Body Material: Carbon steel, cast iron, or ductile iron. e. Seat: Reinforced PTFE or metal. f. Stem: Stainless steel; offset from seat plane. g. Disc: Carbon steel. h. Service: Bidirectional.

    2.9 BRONZE LIFT CHECK VALVES

    A. Class 125, Lift Check Valves with Bronze Disc:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. Crane Co.; Crane Valve Group; Crane Valves. b. Crane Co.; Crane Valve Group; Jenkins Valves. c. Crane Co.; Crane Valve Group; Stockham Division.

    2. Description:

    a. Standard: MSS SP-80, Type 1. b. CWP Rating: 200 psig. c. Body Design: Vertical flow. d. Body Material: ASTM B 61 or ASTM B 62, bronze. e. Ends: Threaded. f. Disc: Bronze.

    B. Class 125, Lift Check Valves with Nonmetallic Disc:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. Flo Fab Inc. b. Hammond Valve. c. Kitz Corporation. d. Milwaukee Valve Company. e. Mueller Steam Specialty; a division of SPX Corporation. f. NIBCO INC.

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    g. Red-White Valve Corporation. h. Watts Regulator Co.; a division of Watts Water Technologies, Inc.

    2. Description:

    a. Standard: MSS SP-80, Type 2. b. CWP Rating: 200 psig. c. Body Design: Vertical flow. d. Body Material: ASTM B 61 or ASTM B 62, bronze. e. Ends: Threaded. f. Disc: NBR, PTFE, or TFE.

    2.10 BRONZE SWING CHECK VALVES

    A. Class 125, Bronze Swing Check Valves with Bronze Disc:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. American Valve, Inc. b. Crane Co.; Crane Valve Group; Crane Valves. c. Crane Co.; Crane Valve Group; Jenkins Valves. d. Crane Co.; Crane Valve Group; Stockham Division. e. Hammond Valve. f. Kitz Corporation. g. Milwaukee Valve Company. h. NIBCO INC. i. Powell Valves. j. Red-White Valve Corporation. k. Watts Regulator Co.; a division of Watts Water Technologies, Inc. l. Zy-Tech Global Industries, Inc.

    2. Description:

    a. Standard: MSS SP-80, Type 3. b. CWP Rating: 200 psig. c. Body Design: Horizontal flow. d. Body Material: ASTM B 62, bronze. e. Ends: Threaded. f. Disc: Bronze.

    B. Class 125, Bronze Swing Check Valves with Nonmetallic Disc:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. Crane Co.; Crane Valve Group; Crane Valves. b. Crane Co.; Crane Valve Group; Jenkins Valves. c. Crane Co.; Crane Valve Group; Stockham Division. d. Hammond Valve.

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    e. Kitz Corporation. f. Milwaukee Valve Company. g. NIBCO INC. h. Red-White Valve Corporation. i. Watts Regulator Co.; a division of Watts Water Technologies, Inc.

    2. Description:

    a. Standard: MSS SP-80, Type 4. b. CWP Rating: 200 psig. c. Body Design: Horizontal flow. d. Body Material: ASTM B 62, bronze. e. Ends: Threaded. f. Disc: PTFE or TFE.

    C. Class 150, Bronze Swing Check Valves with Bronze Disc:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. American Valve, Inc. b. Crane Co.; Crane Valve Group; Crane Valves. c. Crane Co.; Crane Valve Group; Jenkins Valves. d. Crane Co.; Crane Valve Group; Stockham Division. e. Kitz Corporation. f. Milwaukee Valve Company. g. NIBCO INC. h. Red-White Valve Corporation. i. Zy-Tech Global Industries, Inc.

    2. Description:

    a. Standard: MSS SP-80, Type 3. b. CWP Rating: 300 psig. c. Body Design: Horizontal flow. d. Body Material: ASTM B 62, bronze. e. Ends: Threaded. f. Disc: Bronze.

    D. Class 150, Bronze Swing Check Valves with Nonmetallic Disc:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. Crane Co.; Crane Valve Group; Crane Valves. b. Crane Co.; Crane Valve Group; Jenkins Valves. c. Hammond Valve. d. Milwaukee Valve Company. e. NIBCO INC. f. Watts Regulator Co.; a division of Watts Water Technologies, Inc.

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    2. Description:

    a. Standard: MSS SP-80, Type 4. b. CWP Rating: 300 psig. c. Body Design: Horizontal flow. d. Body Material: ASTM B 62, bronze. e. Ends: Threaded. f. Disc: PTFE or TFE.

    2.11 IRON SWING CHECK VALVES

    A. Class 125, Iron Swing Check Valves with Metal Seats:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. Crane Co.; Crane Valve Group; Crane Valves. b. Crane Co.; Crane Valve Group; Jenkins Valves. c. Crane Co.; Crane Valve Group; Stockham Division. d. Hammond Valve. e. Kitz Corporation. f. Legend Valve. g. Milwaukee Valve Company. h. NIBCO INC. i. Powell Valves. j. Red-White Valve Corporation. k. Sure Flow Equipment Inc. l. Watts Regulator Co.; a division of Watts Water Technologies, Inc. m. Zy-Tech Global Industries, Inc.

    2. Description:

    a. Standard: MSS SP-71, Type I. b. NPS 2-1/2 to NPS 12, CWP Rating: 200 psig. c. NPS 14 to NPS 24, CWP Rating: 150 psig. d. Body Design: Clear or full waterway. e. Body Material: ASTM A 126, gray iron with bolted bonnet. f. Ends: Flanged. g. Trim: Bronze. h. Gasket: Asbestos free.

    B. Class 125, Iron Swing Check Valves with Nonmetallic-to-Metal Seats:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. Crane Co.; Crane Valve Group; Crane Valves. b. Crane Co.; Crane Valve Group; Stockham Division.

    2. Description:

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    a. Standard: MSS SP-71, Type I. b. NPS 2-1/2 to NPS 12, CWP Rating: 200 psig. c. NPS 14 to NPS 24, CWP Rating: 150 psig. d. Body Design: Clear or full waterway. e. Body Material: ASTM A 126, gray iron with bolted bonnet. f. Ends: Flanged. g. Trim: Composition. h. Seat Ring: Bronze. i. Disc Holder: Bronze. j. Disc: PTFE or TFE. k. Gasket: Asbestos free.

    C. Class 250, Iron Swing Check Valves with Metal Seats:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. Crane Co.; Crane Valve Group; Crane Valves. b. Crane Co.; Crane Valve Group; Jenkins Valves. c. Crane Co.; Crane Valve Group; Stockham Division. d. Hammond Valve. e. Milwaukee Valve Company. f. NIBCO INC. g. Watts Regulator Co.; a division of Watts Water Technologies, Inc.

    2. Description:

    a. Standard: MSS SP-71, Type I. b. NPS 2-1/2 to NPS 12, CWP Rating: 500 psig. c. NPS 14 to NPS 24, CWP Rating: 300 psig. d. Body Design: Clear or full waterway. e. Body Material: ASTM A 126, gray iron with bolted bonnet. f. Ends: Flanged. g. Trim: Bronze. h. Gasket: Asbestos free.

    2.12 IRON SWING CHECK VALVES WITH CLOSURE CONTROL

    A. Class 125, Iron Swing Check Valves with Lever- and Spring-Closure Control:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. NIBCO INC.

    2. Description:

    a. Standard: MSS SP-71, Type I. b. NPS 2-1/2 to NPS 12, CWP Rating: 200 psig. c. NPS 14 to NPS 24, CWP Rating: 150 psig.

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    d. Body Design: Clear or full waterway. e. Body Material: ASTM A 126, gray iron with bolted bonnet. f. Ends: Flanged. g. Trim: Bronze. h. Gasket: Asbestos free. i. Closure Control: Factory-installed, exterior lever and spring.

    B. Class 125, Iron Swing Check Valves with Lever and Weight-Closure Control:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. Crane Co.; Crane Valve Group; Crane Valves. b. Crane Co.; Crane Valve Group; Jenkins Valves. c. Crane Co.; Crane Valve Group; Stockham Division. d. Hammond Valve. e. Milwaukee Valve Company. f. NIBCO INC. g. Watts Regulator Co.; a division of Watts Water Technologies, Inc.

    2. Description:

    a. Standard: MSS SP-71, Type I. b. NPS 2-1/2 to NPS 12, CWP Rating: 200 psig. c. NPS 14 to NPS 24, CWP Rating: 150 psig. d. Body Design: Clear or full waterway. e. Body Material: ASTM A 126, gray iron with bolted bonnet. f. Ends: Flanged. g. Trim: Bronze. h. Gasket: Asbestos free. i. Closure Control: Factory-installed, exterior lever and weight.

    2.13 IRON, GROOVED-END SWING CHECK VALVES

    A. 300 CWP, Iron, Grooved-End Swing Check Valves:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. Anvil International, Inc. b. Shurjoint Piping Products. c. Tyco Fire Products LP; Grinnell Mechanical Products. d. Victaulic Company.

    2. Description:

    a. CWP Rating: 300 psig. b. Body Material: ASTM A 536, ductile iron. c. Seal: EPDM. d. Disc: Spring operated, ductile iron or stainless steel.

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    2.14 IRON, CENTER-GUIDED CHECK VALVES

    A. Class 125, Iron, Compact-Wafer, Center-Guided Check Valves with Metal Seat:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. Anvil International, Inc. b. APCO Willamette Valve and Primer Corporation. c. Crispin Valve. d. DFT Inc. e. Flo Fab Inc. f. GA Industries, Inc. g. Hammond Valve. h. Metraflex, Inc. i. Milwaukee Valve Company. j. Mueller Steam Specialty; a division of SPX Corporation. k. NIBCO INC. l. Spence Strainers International; a division of CIRCOR International. m. Sure Flow Equipment Inc. n. Val-Matic Valve & Manufacturing Corp. o. Watts Regulator Co.; a division of Watts Water Technologies, Inc.

    2. Description:

    a. Standard: MSS SP-125. b. NPS 2-1/2 to NPS 12, CWP Rating: 200 psig. c. NPS 14 to NPS 24, CWP Rating: 150 psig. d. Body Material: ASTM A 126, gray iron. e. Style: Compact wafer. f. Seat: Bronze.

    B. Class 125, Iron, Globe, Center-Guided Check Valves with Metal Seat:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. APCO Willamette Valve and Primer Corporation. b. Crispin Valve. c. DFT Inc. d. Flomatic Corporation. e. Hammond Valve. f. Metraflex, Inc. g. Milwaukee Valve Company. h. Mueller Steam Specialty; a division of SPX Corporation. i. NIBCO INC. j. Spence Strainers International; a division of CIRCOR International. k. Sure Flow Equipment Inc. l. Val-Matic Valve & Manufacturing Corp. m. Watts Regulator Co.; a division of Watts Water Technologies, Inc.

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    2. Description:

    a. Standard: MSS SP-125. b. NPS 2-1/2 to NPS 12, CWP Rating: 200 psig. c. NPS 14 to NPS 24, CWP Rating: 150 psig. d. Body Material: ASTM A 126, gray iron. e. Style: Globe, spring loaded. f. Ends: Flanged. g. Seat: Bronze.

    C. Class 150, Iron, Compact-Wafer, Center-Guided Check Valves with Metal Seat:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. APCO Willamette Valve and Primer Corporation. b. Crispin Valve. c. Val-Matic Valve & Manufacturing Corp.

    2. Description:

    a. Standard: MSS SP-125. b. NPS 2-1/2 to NPS 12, CWP Rating: 300 psig. c. NPS 14 to NPS 24, CWP Rating: 250 psig. d. Body Material: ASTM A 395/A 395M or ASTM A 536, ductile iron. e. Style: Compact wafer. f. Seat: Bronze.

    D. Class 150, Iron, Globe, Center-Guided Check Valves with Metal Seat:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. APCO Willamette Valve and Primer Corporation. b. Crispin Valve. c. Val-Matic Valve & Manufacturing Corp.

    2. Description:

    a. Standard: MSS SP-125. b. NPS 2-1/2 to NPS 12, CWP Rating: 300 psig. c. NPS 14 to NPS 24, CWP Rating: 250 psig. d. Body Material: ASTM A 395/A 395M or ASTM A 536, ductile iron. e. Style: Globe, spring loaded. f. Ends: Flanged. g. Seat: Bronze.

    E. Class 250, Iron, Compact-Wafer, Center-Guided Check Valves with Metal Seat:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

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    a. APCO Willamette Valve and Primer Corporation. b. Crispin Valve. c. DFT Inc. d. Flo Fab Inc. e. Hammond Valve. f. Metraflex, Inc. g. Milwaukee Valve Company. h. NIBCO INC. i. Sure Flow Equipment Inc. j. Val-Matic Valve & Manufacturing Corp.

    2. Description:

    a. Standard: MSS SP-125. b. NPS 2-1/2 to NPS 12, CWP Rating: 400 psig. c. NPS 14 to NPS 24, CWP Rating: 300 psig. d. Body Material: ASTM A 126, gray iron. e. Style: Compact wafer, spring loaded. f. Seat: Bronze.

    F. Class 250, Iron, Globe, Center-Guided Check Valves with Metal Seat:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. APCO Willamette Valve and Primer Corporation. b. Crispin Valve. c. DFT Inc. d. Flomatic Corporation. e. Hammond Valve. f. Metraflex, Inc. g. Milwaukee Valve Company. h. Mueller Steam Specialty; a division of SPX Corporation. i. NIBCO INC. j. Val-Matic Valve & Manufacturing Corp.

    2. Description:

    a. Standard: MSS SP-125. b. NPS 2-1/2 to NPS 12, CWP Rating: 400 psig. c. NPS 14 to NPS 24, CWP Rating: 300 psig. d. Body Material: ASTM A 126, gray iron. e. Style: Globe, spring loaded. f. Ends: Flanged. g. Seat: Bronze.

    G. Class 300, Iron, Compact-Wafer, Center-Guided Check Valves with Metal Seat:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

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    a. APCO Willamette Valve and Primer Corporation. b. Crispin Valve. c. Val-Matic Valve & Manufacturing Corp.

    2. Description:

    a. Standard: MSS SP-125. b. NPS 2-1/2 to NPS 12, CWP Rating: 500 psig. c. NPS 14 to NPS 24, CWP Rating: 400 psig. d. Body Material: ASTM A 395/A 395M or ASTM A 536, ductile iron. e. Style: Compact wafer, spring loaded. f. Seat: Bronze.

    H. Class 300, Iron, Globe, Center-Guided Check Valves with Metal Seat:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. APCO Willamette Valve and Primer Corporation. b. Crispin Valve. c. Val-Matic Valve & Manufacturing Corp.

    2. Description:

    a. Standard: MSS SP-125. b. NPS 2-1/2 to NPS 12, CWP Rating: 500 psig. c. NPS 14 to NPS 24, CWP Rating: 400 psig. d. Body Material: ASTM A 395/A 395M or ASTM A 536, ductile iron. e. Style: Globe, spring loaded. f. Ends: Flanged. g. Seat: Bronze.

    I. Class 125, Iron, Compact-Wafer, Center-Guided Check Valves with Resilient Seat:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. APCO Willamette Valve and Primer Corporation. b. Crispin Valve. c. DFT Inc. d. Flo Fab Inc. e. Hammond Valve. f. Milwaukee Valve Company. g. NIBCO INC. h. Spence Strainers International; a division of CIRCOR International. i. Sure Flow Equipment Inc. j. Val-Matic Valve & Manufacturing Corp.

    2. Description:

    a. Standard: MSS SP-125.

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    GENERAL-DUTY VALVES FOR HVAC PIPING 230523 - 33

    b. NPS 2-1/2 to NPS 12, CWP Rating: 200 psig. c. NPS 14 to NPS 24, CWP Rating: 150 psig. d. Body Material: ASTM A 126, gray iron. e. Style: Compact wafer. f. Seat: EPDM.

    J. Class 125, Iron, Globe, Center-Guided Check Valves with Resilient Seat:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. Anvil International, Inc. b. APCO Willamette Valve and Primer Corporation. c. Crispin Valve. d. DFT Inc. e. GA Industries, Inc. f. Hammond Valve. g. Milwaukee Valve Company. h. NIBCO INC. i. Sure Flow Equipment Inc. j. Val-Matic Valve & Manufacturing Corp.

    2. Description:

    a. Standard: MSS SP-125. b. NPS 2-1/2 to NPS 12, CWP Rating: 200 psig. c. NPS 14 to NPS 24, CWP Rating: 150 psig. d. Body Material: ASTM A 126, gray iron. e. Style: Globe, spring loaded. f. Ends: Flanged. g. Seat: EPDM.

    K. Class 150, Iron, Compact-Wafer, Center-Guided Check Valves with Resilient Seat:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. APCO Willamette Valve and Primer Corporation. b. Crispin Valve. c. Val-Matic Valve & Manufacturing Corp.

    2. Description:

    a. Standard: MSS SP-125. b. NPS 2-1/2 to NPS 12, CWP Rating: 300 psig. c. NPS 14 to NPS 24, CWP Rating: 250 psig. d. Body Material: ASTM A 395/A 395M or ASTM A 536, ductile iron. e. Style: Compact wafer. f. Seat: EPDM.

    L. Class 150, Iron, Globe, Center-Guided Check Valves with Resilient Seat:

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    GENERAL-DUTY VALVES FOR HVAC PIPING 230523 - 34

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. APCO Willamette Valve and Primer Corporation. b. Crispin Valve. c. DFT Inc. d. Val-Matic Valve & Manufacturing Corp.

    2. Description:

    a. Standard: MSS SP-125. b. NPS 2-1/2 to NPS 12, CWP Rating: 300 psig. c. NPS 14 to NPS 24, CWP Rating: 250 psig. d. Body Material: ASTM A 395/A 395M or ASTM A 536, ductile iron. e. Style: Globe, spring loaded. f. Ends: Flanged. g. Seat: EPDM.

    M. Class 250, Iron, Compact-Wafer, Center-Guided Check Valves with Resilient Seat:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. APCO Willamette Valve and Primer Corporation. b. Crispin Valve. c. DFT Inc. d. Flo Fab Inc. e. Hammond Valve. f. Milwaukee Valve Company. g. NIBCO INC. h. Sure Flow Equipment Inc. i. Val-Matic Valve & Manufacturing Corp.

    2. Description:

    a. Standard: MSS SP-125. b. NPS 2-1/2 to NPS 12, CWP Rating: 400 psig. c. NPS 14 to NPS 24, CWP Rating: 300 psig. d. Body Material: ASTM A 126, gray iron. e. Style: Compact wafer, spring loaded. f. Seat: EPDM.

    N. Class 250, Iron, Globe, Center-Guided Check Valves with Resilient Seat:

    1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

    a. APCO Willamette Valve and Primer Corporation. b. Crispin Valve. c. DFT Inc. d. Hammond Valve.

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    GENERAL-DUTY VALVES FOR HVAC PIPING 230523 - 35

    e. Milwaukee Valve Company. f. NIBCO INC. g. Val-Matic Valve & Manufacturing Corp.

    2. Description:

    a. Standard: MSS SP-125. b. NPS 2-1/2 to NPS 12, CWP Rating: 400 psig. c. NPS 14 to NPS 24,