bsv bcv bulletin (ps-40-1-ea4)

8/9/2019 BSV BCV Bulletin (ps-40-1-ea4)

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Pumps

BSV

BCVConcrete VolutePumps

Bulletin PS-40-1b (E)


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Pumps

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Proven DesignWith more than 70 yearsexperience, Flowserve is a

global leader in the design andmanufacture of concrete volutepumps. These pumps have awell-earned reputation for trouble-free operation with minimalmaintenance. A testament totheir reliability is the years ofcontinuous operation reportedby customers worldwide.

Pump Types BSV open, mixed flow

impeller

BCV closed, mixed flowimpeller

Typical ApplicationsIncorporating many advancedconstruction features, thesepumps offer advantages inlarge flow pump applications: Condenser cooling Water intake Irrigation Drainage

Dry dock dewatering

Cooling Water or Water IntakeThese services require pumpsfor continuous operation andadaptability to local conditions.The BSV type pump is typicallyapplied on open or combinedcooling water systems inpower plants with river orsea source water. In closedsystems such as coolingtowers or where high headis needed, the BCV typeis recommended.

Concrete VolutePumps

Drainage and IrrigationConcrete volute pumpswere originally designed

more than 80 years agofor drainage of polders,or reclaimed low-lyingland protected by dikes.Today, these pumps aremade of prefabricatedconcrete segments forthe volute housing andintake suction bell. Pumpassembly is integratedinto the civil constructionto reduce installation

costs. Screens andspecially designed valvesprovide pump andemergency protection.

Complementary PumpDesigns Submersible motor,

bottom intake Wet pit, propeller, hi-flo Wet pit, propeller Overhung, ring section,

multistage


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Pumps

Type BSV

Type BCV

Concrete VolutePumps

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Construction A removable, metallic pump

pull-out unit is within a

concrete volute. Below the volute, the suction

bell is connected to a pre-formed intake suction box.All are prefabricated concreteelements.

A manhole permits impellerinspection without removal ofthe pump unit.

Bearings and sealing systemsare easily accessible via thespace under the motor-gear

support. Square volute discharge

connection is designed intothe discharge channel or con-nected to a discharge pipelinethrough a transition piece.

The transition piece is groutedinto the surrounding concreteof the pumping station.

Pump pull-out unit is installedwhen civil work is done.

Pump Pull-out UnitThis unit consists of a pumpcover utilizing a radial bearinghousing and a bearing pedestal.These contain the top bearinghousing with a spherical rollerthrust bearing and a radial rollerbearing. The spherical rollerthrust bearing is oil lubricatedand is provided with an oil levelgauge; if necessary an oil-wateror oil-air cooler can be applied.Both radial bearings are grease

lubricated. The statically bal-anced impeller is flanged to theimpeller hub, which is shrinkfitted to the shaft.

Longer Mean TimeBetween PlannedMaintenance (MTBPM)

MTBPM of over fiveyears is realized as nobearings are in contactwith the water. Theroller bearing insidethe pump cover isdesigned for a lifetimeof over 100 000 hours.

Prefabricated concreteoffers high corrosionand erosion resistance.

Massive concrete

pump constructionsubstantially reducesnoise and vibration.

The Liquidyne shaft sealprovides: Leak-free sealing Virtually maintenance-

free seal Long life Increased pump

reliability

An inflatable static sealguarantees replacementof sealing lips and radialbearing without removal

of the pump unit.

Registered trademarkof IHC


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Advantages OverWet Pit PumpsConcrete volute pumps

offer these cost savingbenefits when comparedwith wet pit pumps: Less excavation depth

is required, due to theintake suction boxdesign.

The pump casing voluteis integrated with thecivil construction of thepumping station.

The prefab concretevolute elements forvolute and suction belldo not require shutter-ing. Just-in-time deliveryof the prefab elementsreduces on siteconstruction time.

Simple outdoor assem-bly is possible, therebyavoiding costly roofconstructions.

Due to low cranageheight and weight of

the pump pull-out unita mobile crane easilyhandles maintenancechores.

Only pump cover andimpeller are in contactwith water.

Pumps

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Prefabricated ConcreteSegments (off site)Benefits of off site prefabrication

include: Production simplification Better quality control Dimensional accuracy Thorough inspection

High quality concrete gradeB35, environmental class 4 ofVBT 1986 (NEN 5950)

Sulfate resistant cement forprotection against sulfateattack, alkali-aggregate reac-tions and chloride penetration

in tropical seawater services Better site planning Facilitation of on-site

construction activities

These procedures allow efficientsite planning plus: Time and cost savings of

on site concrete work Reduced risks with Flowserve

responsibility for: Construction of prefabricated

concrete elements Supervision of on site

concrete work Civil engineering calculations

for the concrete pump andadjacent flow passages

Prefabricated ConcreteSegments (on site)The prefabricated elementsof the suction bell mouth areassembled, adjusted and thengrouted with surroundingconcrete as are the concreteelements of the pump volutecasing.


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Pumps

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Options andTechnical Data

Pump DrivePumps may be driven directlyor through a gearbox. In the

latter case, the pump shaft isconnected via two spacer typeteeth couplings to the driver,thereby avoiding misalignment.The electric motor and thepump each has an axialthrust bearing.

Pump Ranges

Performance CurvesBSV 100-200 BCV 100-250

Pump type Head Capacity

BSV (open mixed flow impeller)Standard impeller diameter range from Up to 115 000 m3/h100 cm (39.5 in) up to 200 cm (79 in) Up to 22 m (72 ft) (500 000 gpm)

BCV (closed mixed flow impeller)Standard impeller diameter range from Up to 115 000 m3/h100 cm (39.5 in) up to 250 cm (98.5 in) Up to 32 m (105 ft) (500 000 gpm)

115

100

80

65

50

30

15

0

4400 44 000 440 000

BSV

BCV

35

30

25

20

15

10

5

01000 10 000 100 000

Flow Rate - gpm

Flow Rate - m3/h

TDH-m

TDH-

ft


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Pumps

GlobalEngineered Services

and Support

Total Cost Reduction

Asset Management

Product Life Cycle

Performance Re-rates

Site Diagnostics

Repair Services

Energy Management

Spare Parts

Maintenance Contracts

Materials Upgrades

Turnkey Services

Field Repairs

Installation

Project Supervision

Commissioning

Equipment Upgrades

Condition Monitoring

Systems Analysis

Field Machining

Service DedicationFlowserve Engineered Services isfocused on providing customers

with uncompromising service andsupport, where and when needed.Dedicated to delivering the high-est quality support, EngineeredServices integrates its extensivepump and materials engineeringknowledge with creative servicesolutions. Engineered Servicesfully understands the businesschallenges facing customers andis prepared to manage solutionsto succeed as a team.

A worldwide network of serviceand repair centers staffed byhighly skilled engineers andtechnicians is available aroundthe clock, seven days a week torespond to customer queries,to evaluate and troubleshootproblems and to providereliable solutions.

Strength of Experience,Commitment to ExcellenceFlowserve has long served

industries requiring superiorequipment performance andservice life. Oil and gas production Hydrocarbon processing Chemical processing Water resources Power generation Nuclear Mining and mineral processing Pulp and paper General industry

Engineered Services is dedicatedto maximizing equipmentperformance and providingreliability-centered maintenanceprograms for pumps and relatedequipment, regardless of manu-facturer. Using the FlowStarasset management software,

Engineered Services tracksperformance and supportsimprovement programs using aservice life cycle cost business

approach. The results areimproved reliability andincreased profitability.

Business PartnerFlowserve partners withcustomers to respond to

the dynamic businessconditions that affectthem. Flowserve will workwith customers to driveefficiency, maximizethroughput and controlprocess quality. Whetheruser needs involve on-site technical assistanceor broader projectplanning with full turnkeyresponsibility, Flowserve

Engineered Services willdeliver professional,reliable results.

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Pumps

Printed in U.S.A.September 2006

Flowserve Corporation

To find your local Flowserve representativeplease use the Sales Support Locator System

found at www.flowserve.com

Or call toll free: 1 800 728 PUMP

Your local Flowserve representative:

USA and CanadaFlowserve Corporation5215 North OConnor Blvd.Suite 2300Irving, Texas 75039 USATelephone: 1 972 443 6500Telefax: 1 972 443 6800

Europe, Middle East, AfricaFlowserve CorporationVia Rossini 90/9220033 Desio (Milan), ItalyTelephone: 39 0362 6121Telefax: 39 0362 303396

Latin America and CaribbeanFlowserve Corporation6840 Wynnwood LaneHouston, Texas 77008 USATelephone: 1 713 803 4434Telefax: 1 713 803 4497

Asia PacificFlowserve Pte. Ltd.200 Pandan Loop #06-03/04Pantech 21Singapore 128388Telephone: 65 6775 3003Telefax: 65 6779 4607

Flowserve... Supporting Our Customers

With The Worlds Leading

Pump Brands

Jeumont-SchneiderJeumont-Schneider

bsv bcv bulletin (ps-40-1-ea4)

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