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s20mdl1sm-REV0509 Model S20 Metallic Page 1

See page 2

for ATEX ratings.

Nitrile: General purpose, oil-resistant. Shows good solvent, oil, water and hydraulic fluid resistance. Should not be used with highly polar solvents like

acetone and MEK, ozone, chlorinated hydrocarbons and nitro hydrocarbons.

EPDM: Shows very good water and chemical resistance. Has poor resistance to oil and solvents, but is fair in ketones and alcohols.

Neoprene: All purpose. Resistant to vegetable oil. Generally not affected by moderate chemicals, fats, greases and many oils and solvents. Generallyattacked by strong oxidizing acids, ketones, esters, nitro hydrocarbons and chlorinated aromatic hydrocarbons.

Santoprene:: Injection molded thermoplastic elastomer with no fabric layer. Long mechanical flex life.Excellent abrasion resistance.

Virgin PTFE: Chemically inert, virtually impervious. Very few chemicals are known to react chemically with PTFE- molten alkali metals, turbulent liquid orgaseous fluorine and a few fluoro-chemicals such as chlorine trifluoride or oxygen difluoride which readily liberate free fluorine at elevated temperatures.

FKM (Fluorocarbon): Shows good resistance to a wide range of oils and solvents; especially all aliphatic, aromatic and halogenated hydrocarbons, acids,animal and vegetable oils. Hot water or hot aqueous solutions (over 70F) will attack FKM.

Polypropylene:

UHMW Polyethylene:

Materials Maximum Minimum

Quality SystemISO9001 Certified

EnvironmentalManagement SystemISO14001 Certified

Operating Temperatures

INTAKE/DISCHARGE PIPE SIZE2" NPT (internal)

2" BSP Tapered (internal)

CAPACITY0 to 150 gallons per minute(0 to 567 liters per minute)

AIR VALVENo-lube, no-stall

design

SOLIDS-HANDLINGUp to .25 in. (6mm)

HEADS UP TO125 psi or 289 ft. of water(8.6 Kg/cm2 or 86 meters)

DISPLACEMENT/STROKE.42 Gallon / 1.59 liter

CAUTION! Operating temperature limitations are as follows:

Air Inlet Side View Air Exhaust Side View

CE

U.S. Patent #5,996,627; 6,241,487Other U.S. Patents

Applied for

190 F

88 C

-10 F

-23 C

280 F138 C

-40 F-40 C

200 F93 C

-10 F-23 C

275 F135 C

-40 F-40 C

220 F104 C

-35 F-37 C

350 F177 C

-40 F-40 C

180 F82 C

32 F0 C

180 F82 C

32 F0 C

For specific applications, always consult The Warren Rupp Chemical Resistance Chart

SANDPIPERpumps are designed to be powered only by compressed air.

S20 MetallicDesign Level 1Ball Valve

Air-OperatedDouble Diaphragm Pump

ENGINEERING, PERFORMANCE& CONSTRUCTION DATA

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Performance Curve, S20 Metallic Design Level 1

0 20 40 60 80 100 120 140 160

20 (34)

40 (68)

60 (102)

80 (136)

100 (170)

600500400300200100

CAPACITY

U.S. Gallons per minute

Liters per minute

100

90

80

70

60

50

40

30

20

10

0

BAR

PSI

HEAD

1

2

3

4

5

6

7

0

30

20

25

10

15

5

9.1

6

7.6

3

4.5

1.5

NPSHR

MET

ERS

FEE

T

40PSI(2.72Bar)

20PSI(1.36Bar)AirInletPressure

60PSI(4.08Bar)

80PSI(5.44Bar)

100PSI(6.8Bar)

MODEL S20 Metallic Performance CurvePerformance based on the following: elastomer fitted pump, flooded suction, water at ambient conditions.The use of other materials and varying hydraulic conditions may result in deviations in excess of 5%.

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Dimensions: S20 Metallic

Both Suc

DischargAvailable2" BSP C

Discharge Port2" NPT

Suction Port2" NPT

Integral Muffler1" NPT Exhaust PortFor Optional Muffler

Styles or Piping ExhaustAir In Submerged

Applications

Air Inlet3/4" NPT

Dimensions in InchesDimensional Tolerance: 1/8"

Both Suction AndDischarge Ports AreAvailable With2" BSP Connection

Dimension A B C D E F

Integral Muffler 12 19/32

12 19/32Pulse Output Kit

Aluminum 24 5/8 1 7/8 5/16 13 11/16

24 3/4 2 7/16 13 13/16Stainless Steel

Mesh Muffler 15 1/8

Sound DampeningMuffler

15 1/8

14 11/16

26 3/16

26 5/16

Metal Muffler

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Metric Dimensions: S20 Metallic Dimensions in MillimetersDimensional Tolerance: 3mm

Both Suction andDischarge Ports AreAvailable With2" BSP Tapered Connection

Discharge Port2" NPT

Suction Port2" NPT

Air Inlet3/4" NPT

Integral Muffler1" NPT Exhaust Port

For Optional MufflerStyles or Piping Exhaust

Air In SubmergedApplications.

Dimension A B C D E F

Integral Muffler 320

320Pulse Output Kit

Aluminum 625 47 8 348

629 51 12 351Stainless Steel

Mesh Muffler 384

Sound DampeningMuffler

384

373

665

669

Metal Muffler

Both Suction andDischarge Ports AreAvailable With2" BSP Tapered Connection

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Available from

Warren Rupp

CAUTIONThe air exhaust should bepiped to an area for safedisposition of the productbeing pumped, in the eventof a diaphragm failure.

TYPICAL INSTALLATION GUIDEFor Metallic Pumps

Air Inlet

Line1

2

3

4

TA2 or TA50 Tranquilizer

020-051-000 Filter/Regulator

020-051-001 Lubricator

Air Dryer

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Composite Repair Parts Drawing

476-227-000 AIR END KIT (Aluminum Center)

Seals, O-ring, Gaskets, Retaining Rings, Air Valve

Sleeve and Spool Set and Pilot Valve Assembly.

476-227-010 AIR END KIT (Use With Cast Iron Centers)

476-227-110 AIR END KIT (Use With Stainless Steel Centers)

476-170-558 AIR END KIT (Air Valve with Stroke Indicator Pin, Aluminum Center)

Seals, O-ring, Gaskets, Retaining Rings, Air Valve

Sleeve and Spool Set, and Pilot Valve Assembly.

476-042-360 WET END KIT

Nitrile Diaphragms, Balls, and Seats.

476-042-656 WET END KITSantoprene Diaphragms, Balls and EPDM Seats.

476-042-365 WET END KIT

Neoprene Diaphragms, Balls and Seats.

476-042-633 WET END KIT

FKM Diaphragms, PTFE Balls and FKM Seats.

476-042-635 WET END KIT

Neoprene Diaphragms, PTFE Overlay, PTFE Balls

and PTFE Seats.

476-042-364 WET END KIT

EPDM Diaphragms, Balls and Seats.

476-042-654 WET END KIT

Santoprene Diaphragm, PTFE Overlays, PTFE Balls, PTFE Seats.

476-042-659 WETTED END KIT

One-PIece Bonded PTFE/Nitrile Diaphragm,

PTFE Balls, PTFE Seats.

475-216-000 MIDSECTION CONVERSION KIT

(Replaces Aluminum Midsection With Cast IronComponents) Air Inlet Cap, Intermediate Bracket, Inner

Chamber and Inner Diaphragm Plates.

Hardware Kits

475-200-330 Zinc Plated Capscrews, Washers, and Hex Nuts.

475-200-115 Stainless Steel Capscrews, Washers, and Hex Nuts.

**Electronic Leak Detector Kits032-037-000 100-120/220-290 VAC

032-045-000 12-32 VDC

Available Service And Conversion Kits

OverlayDiaphragm Option

**Note: Pumps equipped with these components are not ATEX compliant

One-Piece BondedDiaphragm Option

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43

41

42

41

45

44

SOLENOID SHIFTED AIR VALVE PARTS LIST(Includes all items used on Composite Repair Parts List except as shown)Item Part Number Description Qty41 893-097-000 Solenoid Valve, NEMA4 142 219-001-000 Solenoid Coil, 24VDC 1

219-004-000 Solenoid Coil, 24VAC/12VDC 1219-002-000 Solenoid Coil, 120VAC 1219-003-000 Solenoid Coil, 240VAC 1

43 241-001-000 Connector, conduit 1241-003-000 Conduit Connector with 1

Suppression Diode (DC Only)44 170-029-330 Capscrew, Hex HD 5/16-18 x 1.25 445 618-051-150 Plug 2

Solenoid Shifted Air Valve Drawing

II 2G EEx m c T5II 2D c IP65 T100C

IEC EEX m T4

For Explosion Proof Solenoid Coils used in North America and

outside the European Union.

42 219-009-001 Solenoid Coil, 120VAC 60 HZ 1

219-009-002 Solenoid Coil, 240VAC 60 HZ 1

219-009-003 Solenoid Coil, 12VDC 1

219-009-004 Solenoid Coil, 24VDC 1219-009-005 Solenoid Coil, 110VAC 50 HZ 1

219-009-006 Solenoid Coil, 230VAC 50 HZ 1

Note: Item 43 (Conduit Connector) is not required

For Explosion Proof Solenoid Coils used in the European Union

42 219-011-001 Solenoid Coil, 12 VDC, 3.3W / 0, 531A...0, 014A 1

219-011-002 Solenoid Coil, 24 VDC, 3.3W / 0, 531A...0, 014A 1219-011-003 Solenoid Coil, 110/120 VAC, 3.4W / 0, 212A...0, 015A 1

219-011-004 Solenoid Coil, 220/240 VAC, 3.4W / 0, 212A...0, 015A 1

Note: Item 43 (Conduit Connector) is not required

*Special Conditions For Safe UseA fuse corresponding to its rated current (max. 3*I

rataccording IEC 60127-2-1) or a motor protecting switch with short-circuit and thermal instantaneous tripping (set to rated current) shall be connected in

series to each solenoid as short circuit protection. For very low rated currents of the solenoid the fuse of lowest current value according to the indicated IEC standard will be sufficient. The fuse may beaccommodated in the associated supply unit or shall be separately arranged. The rated voltage to the fuse shall be equal to or greater than the stated rated voltage of the magnet coil. The breakage

capacity of the fuse-link shall be as high as or higher than the maximum expected short circuit current at the location of the installation (usually 1500 A). A maximum permissible ripple of 20% is valid forall magnets of direct-current design.

*

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S O L E N O I D S H I F T E D A I RDISTRIBUTION VALVE OPTIONWarren Rupps solenoid shifted,air distribution valve option utilizeselectrical signals to precisely controlyour SANDPIPERs speed. The solenoidcoil is connected to the Warren RuppSolenoid Rate Controller/Batch Control,or a customer - supplied control.Compressed air provides the pumpingpower, while electrical signals controlpump speed (pumping rate).

OPERATIONThe Solenoid Shifted SANDPIPER has asolenoid operated, air distribution valvein place of the standard SANDPIPERspilot operated, air distribution valve.Where a pilot valve is normally utilizedto cycle the pumps air distribution valve,an electric solenoid is utilized. As thesolenoid is powered, one of the pumps

air chambers is pressurized while theother chamber is exhausted. Whenelectric power is turned off, the solenoidshifts and the pressurized chamber isexhausted while the other chamber ispressurized. By alternately applyingand removing power to the solenoid,the pump cycles much like a standardSANDPIPER pump, with one exception.

This option provides a way to preciselycontrol and monitor pump speed.

BEFORE INSTALLATIONBefore wiring the solenoid, makecertain it is compatible with your systemvoltage.

Solenoid Connector

#2 Terminal Neutral

(Negative)#1 Terminal

Power

(Positive)

3rd Terminal for

ground.

Wiring

Diagram

Before wiring, removeterminal block from

conduit connector.

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Diaphragm Service Drawing,

Non-Overlay

Diaphragm Service Drawing,

with Overlay

*AVAILABLE FOR FIELD CONVERSION FROM OVERLAY

TO ONE-PIECE BONDED DIAPHRAGM KITS:

Kit: 475-253-000

2 286-118-000 One-Piece Diaphragm2 612-214-150 Inner Plates

One-Piece Bonded

*Diaphragm Service

Drawing

34

26

26 13

15

6

30

18

16

31

14

10 37

25

25

3710

14

37

25

25

37

29

1325

34

26

15

6

28

18

17

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PILOT VALVE SERVICINGTo service the pilot valve first shut

off the compressed air supply, bleedthe pressure from the pump, anddisconnect the air supply line from the

pump.STEP #1: See pump assembly

drawing.Using a 1/2" wrench or socket,

remove the four capscrews (item 11).Remove the air inlet cap (item 8) andair inlet gasket (item 21). The pilot valveassembly (item 4) can now be removed

for inspection and service.

STEP #2: Disassembly of the pilotvalve.

Remove the pilot valve spool (item4-D). Wipe clean and inspect spool ando-rings for dirt, cuts or wear. Replace

the o-rings and spool if necessary.Remove the retaining ring (item4-F) from the end of the sleeve (item4-B) and remove the sleeve from thevalve body (item 4-A). Wipe clean andinspect sleeve and o-rings for dirt, cutsor wear. Replace the o-rings and sleeveif necessary.

STEP #3: Re-assembly of the pilotvalve.

Generously lubr icate outsidediameter of the sleeve and o-rings.Then carefully insert sleeve into valve

body. Take CAUTION when insertingsleeve, not to shear any o-rings. Installretaining ring to sleeve. Generouslylubricate outside diameter of spool ando-rings. Then carefully insert spool intosleeve. Take CAUTION when insertingspool, not to shear any o-rings. UseBP-LS-EP-2 multipurpose grease, orequivalent.

STEP #4: Re-install the pilot valveassembly into the intermediate.

Be careful to align the ends of thepilot valve stem between the plungerpins when inserting the pilot valve into

the cavity of the intermediate.Re-install the gasket, air inlet capand capscrews. Connect the air supplyto the pump. The pump is now readyfor operation.

Pilot Valve Servicing, Assembly Drawing & Parts List

PILOT VALVE ASSEMBLY PARTS LIST

ITEM PART NUMBER DESCRIPTION QTY4 095-110-000 Pilot Valve Assembly 14-A 095-095-157 Valve Body 14-B 755-052-000 Sleeve (With O-rings) 14-C 560-033-360 O-ring (Sleeve) 64-D 775-055-000 Spool (With O-rings) 14-E 560-023-360 O-ring (Spool) 34-F 675-037-080 Retaining Ring 1

FOR PUMPS WITH CAST IRON CENTER SECTION

ITEM PART NUMBER DESCRIPTION QTY

4 095-110-558 Pilot Valve Assembly 14-A 095-095-558 Valve Body 1(includes all other items used on 095-110-000)

FOR PUMPS WITH STAINLESS STEEL CENTER SECTION

ITEM PART NUMBER DESCRIPTION QTY

4 095-110-110 Pilot Valve Assembly 1

4-A 095-095-110 Valve Body 1(includes all other items used on 095-110-000)

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ACTUATOR PLUNGER SERVICINGTo service the actuator plunger first

shut off the compressed air supply,bleed the pressure from the pump, anddisconnect the air supply line from thepump.

Step #1: See PUMP ASSEMBLYDRAWING.

Using a 1/2" wrench or socket,remove the four capscrews (items 11).Remove the air inlet cap (item 8) andair inlet gasket (item 21). The pilotvalve assembly (item 4) can now beremoved.

Step #2: Inspect the actuatorplungers.

See ILLUSTRATION AT RIGHT.The actuator plungers (items 32)

can be reached through the pilot valvecavity in the intermediate assembly(item 5).

Remove the plungers (item 32) fromthe bushings (item 7) in each end ofthe cavity. Inspect the installed o-ring(items 27) for cuts and/or wear. Replacethe o-rings if necessary. Apply a lightcoating of grease to each o-ring andre-install the plungers in to the bushings.Push the plungers in as far as they willgo.

To remove the bushings (item7), first remove the retaining rings(item 33) by using a flat screwdriver.

NOTE: It is recommended that newretaining rings be installed.

Step #3: Re-instal l the pi lotvalve assembly into the intermediateassembly.

Be careful to align the ends ofthe stem between the plungers wheninserting the stem of the pilot valve intothe cavity of the intermediate.

Re-install the gasket (item 21),air inlet cap (item 8) and capscrews(item 11).

Connect the air supply to the pump.The pump is now ready for operation.

Actuator Plunger Drawing

277

33

32

5

Read these instructionscompletely, beforeinstallation and start-up.

It is the responsibility ofthe purchaser to retain

this manual for reference. Failure tocomply with the recommendations statedin this manual will damage the pump, andvoid factory warranty.

IMPORTANT

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Check Valve DrawingCHECK VALVE SERVICINGBefore servicing the check valve

components, first shut off the suctionline and then the discharge line to thepump. Next, shut off the compressedair supply, bleed air pressure from thepump, and disconnect the air supplyline from the pump. Drain any remainingfluid from the pump. The pump can nowbe removed for service.

To access the check va lvecomponents, remove the manifold(item 23 or item 24 not shown). Use a9/16" wrench or socket to removethe fasteners. Once the manifold isremoved, the check valve componentscan be seen.

Inspect the check balls (items 2) forwear, abrasion, or cuts on the sphericalsurface. The check valve seats (item36) should be inspected for cuts,abrasive wear, or embedded materialon the surfaces of both the externaland internal chambers. The sphericalsurface of the check balls must seatflush to the surface of the check valveseats for the pump to operate topeak efficiency. Replace any worn ordamaged parts as necessary.

Re-assemble the check valvecomponents. The seat should fit into thecounter bore of the outer chamber.

The pump can now be reassembled,r econnec ted and r e tu r ned tooperation.

METALLIC SEATS

Two o-rings (or conductive PTFEseals) (item 40) are required for metallicseats.

with Non-MetallicSeats

with Metallic Seats

25

37

36

2

9

23

40

36

40

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Optional Muffler Configurations, Drawing

OPTION 0

530-028-550 Integral Muffler uses (1) Capand (4) 710-015-115 Self Tapping Screw tohold it in place.

OPTION 1530-027-000 Sound Dampening Mufflerscrews directly into the Air Valve body.This muffler is equipped with a porousplastic element.

OPTION 2530-010-000 Mesh Muffler screwsdirectly into the Air Valve Body. Thismuffler is equipped with a metal element.

OPTION 6530-033-000 Metal Muffler screws

directly into the Air Body.

Option 1 and 2

Option 6

Option 0

ATEX Compliant

* *Note: Cannot be used with Air ValveAssembly 031-179-000 used onmodels equipped with cast iron orstainless steel centers.

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SAFE AIR

EXHAUST

DISPOSAL

AREA

PUMP INSTALLATION AREA

1" DIAMETER AIR

EXHAUST PIPING

1" DIAMETER AIR

EXHAUST PIPING

1" DIAMETER AIR

EXHAUST PIPING

MUFFLER

LIQUID

LEVEL

SUCTION

LINE

LIQUID

LEVEL

SUCTION

LINE

MUFFLER

MUFFLER

CONVERTED EXHAUST ILLUSTRATION

Illustration #1

Illustration #2

Illustration #3

PUMPING HAZARDOUS LIQUIDSWhen a diaphragm fails, the pumped

liquid or fumes enter the air end ofthe pump. Fumes are exhausted intothe surrounding environment. When

pumping hazardous or toxic materials,the exhaust air must be piped to anappropriate area for safe disposal. Seeillustration #1 at right.

This pump can be submerged ifthe pump materials of constructionare compatible with the liquid beingpumped. The air exhaust must bepiped above the liquid level. Seeillustration #2 at right. Piping used forthe air exhaust must not be smallerthan 1" (2.54 cm) diameter. Reducingthe pipe size will restrict air flow andreduce pump performance. When thepumped product source is at a higherlevel than the pump (flooded suctioncondition), pipe the exhaust higher thanthe product source to prevent siphoningspills. See illustration #3 at right.

CONVERTING THE PUMP FOR

PIPING THE EXHAUST AIRThe following steps are necessary to

convert the pump to pipe the exhaustair away from the pump.

Remove the muffler (item 46). Theair distribution valve (item 1) has 1" NPTthreads for piped exhaust.

IMPORTANT INSTALLATIONNOTE: The manufacturer recommendsinstalling a flexible conductive hoseor connection between the pumpand any rigid plumbing. This reduces

stresses on the molded threads of theair exhaust port. Failure to do so mayresult in damage to the air distributionvalve body.

Any piping or hose connected tothe pumps air exhaust port must be

conductive and physically supported.Failure to support these connectionscould also result in damage to the airdistribution valve body.

46

1

On ATEX compliant units thepump comes equipped witha standard metal muffler

Air ValveAssembly

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PULSE OUTPUT KIT OPTIONThis pump can be fitted with a Pulse Output Kit. This converts the mechanical

strokes of the pump to an electrical signal which interfaces with the Stroke Counter/Batch Controller or user control devices such as a PLC.

The Pulse Output Kits mount directly onto the Muffler Cap on the Air DistributionValve Assembly or onto the air valve and senses each stroke of the main spool.

Consult the factory for further information and availability.

Pulse Output Kit Drawing

Pulse Output Kits475-244-001 10-30 VDC

475-244-002 110/220 VAC

475-244-003 10-30VDC, 110VAC and 220 VAC

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This 8 foot long (244 centimeters) Ground Strap,part number 920-025-000, can be ordered as aservice item.

To reduce the risk of static electrical sparking, thispump must be grounded. Check the local electricalcode for detailed grounding instruction and the typeof equipment required.

Grounding The Pump

Take action to prevent static

sparking. Fire or explosion canresult, especially when handlingflammable liquids. The pump,piping, valves, containers or other

miscellaneous equipment mustbe grounded.

WARNING

One eyelet is installed to a true earth ground.(Requires a 5/16 or 8mm maximum diameter bolt)

One eyelet is fastened to the pump hardware.

To be fully groundable, the pumps must be ATEXCompliant. Refer to pump data sheet for ordering.

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Declaration o Conormity

Signature o authorized person Date o issue

Printed name o authorized person

Revision level B

Title

David Roseberry Engineering Manager

October 20, 2005

Date o revision

April 1, 2009

Warren Rupp, IDEX AODD, Inc., 800 N. Main Street, P.O. Box 1568,

Mansfeld, Ohio, 44901-1568 USA, certifes that Air-Operated

Double Diaphragm Pump Series: HDB, HDF, M Non-Metallic,

S Non-Metallic, M Metallic, S Metallic, T Series, G Series, U Series,

EH and SH High Pressure, W Series, SMA and SPA Submersibles,

and Tranquilizer Surge Supressors comply with the European

Community Directive 98/37/EC, Saety o Machinery. This producthas used Harmonized Standard EN 809, Pumps and Pump Units

or Liquids - Common Saety Requirements, to veriy conormance.

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