GRUNDFOS HORIZONTAL SPLITCASE PUMPSThe Reliable & efficienT WoRkhoRse
GRUnDfos HS PUMPS
IntroductIon The Grundfos HS horizontal splitcase pump is an unstop-pable workhorse. The HS delivers high efficiency perform-ance and low life-cycle costs. The highly reliable hydraulic design combined with the service-friendly layout of the splitcase housing assures maximum benefits for the user. All HS pumps are tested to ensure the performance require-ments are achieved prior to delivery. The HS is a well-built, reliable splitcase pump proudly offered by Grundfos – the splitcase pump market leaders!
Technical DataFlow, Q: 10 to 2500m3/hrHead, H: 5 to 148mMotor, range: 1.5 – 600kWMotor, cycles: 50 Hzoperating Pressure: 16 bar, max.Liquid temperature: up to 100°cdischarge Sizes: 50 – 350mmImpeller Sizes: 242 – 630mm
Applicationsthe Grundfos HS pumps are used in these main fields of application:
Commercial systems• Air-conditioningandchilledwatersystem• Watercondensingsystemsandcoolingtowers• Districtheatingplantsandheatingsystems
Industrial systems• Processcoolingandchilledwatersystems• Industrialheatingsystems• Washdownandcleaningsystems
Water distribution• Publicwaterworks• Non-potablewatersystems
Irrigation and agriculture• Fieldirrigation(flooding)• Sprinklerirrigation
PuMP dEScrIPtIon• Thepumpsarenon-self-priming,centrifugalvolute pumps with radial suction and radial discharge ports and horizontal shaft.
• SuctionanddischargeflangesarePN16accordingto EN1092-2(DIN2501).
• Thepumpislong-coupledwithatotallyenclosedfan- cooled standard motor with main dimensions to IEc and dIn standards and mounting designation B3 (IM1001).
• Themechanicalshaftsealhasdimensionsaccording to En 12756.
• Therotatingassemblyisdynamicallybalanced according to ISo 1940 class G6.3.
• Impellersaredoublesuctionprovidinglongoperating, corrosion free life. Impellers are constructed in ASTMB584bronzeandarehydraulicallybalanced.
• GrundfosHSpumpsareavailableinthreedifferent variants:1. Pump with motor and base frame.2. Bare shaft pump with base frame.3. Bare shaft pump; ie pump without motor and without base frame.
• Thesplit-caseconstructionenablesremovaland dismantling of the internal pump parts, e.g. bearings, wear rings, impeller and shaft seal, without disturbing the motor and pipework.
• Replaceablecasewearringsprotectthepumpcasing while reducing maintenance costs and maintaining high operating efficiencies.
• Pumpandmotoraremountedonacommonbase frameintheformofawelded,steelC-channelprofile.
• Bronzeshaftsleevesprotecttheshaftandhelpwith fixation of the impeller.
SELLINGFEATURES Pump casing• Compensateddoublevolutedesignvirtuallyeliminates radial forces caused by a hydraulic imbalance inherent inpumpvolutes• Doublevolutedesignextendssealandbearinglife, minimizingnoiseandvibration,andimproving operating efficiency – meaning less wear and lower maintenance costs
Bearing Housing• Grundfos superior design combines seal and bearing chamberstoallowinspectionwithoutremovingthetop halfofthepumpcasing–savingtime,reducingtheuse of lifting equipment, and decreasing the safety risk• Compact,robusthousingconstructionhasa360-degree machinedfitandlimitsshaftdeflectionandoptimizes alignment
Impeller• Extendedvanesandenlargedeyecontributetoa reductioninvibrationandnoise
Coupling• Grundfosspecifiedgridcouplingdesignedtomeetthe pumptorquerequirementsprovideslongservicelife and reduced maintenance costs
Motor
Base plate
Impeller
Pump housing
Couplingguard-stainlesssteel
Coupling-Grid
Shaft
Wear ring
Bearing housing
Shaftsleeve
Shaft seal
Bearing
20 25 30 40 50 60 80 100 150 200 250 300 400 500Q [m�/h]
10
14
20
30
40
50
60
80
100
120
140
[m]H
HS
2-pole, 50 HzVers ion 5
125- 100-305
125- 100-280100-80-24265-50-242
20 30 40 50 60 80 100 150 200 300 400 500 600 800 1000 1500 2000 3000Q [m�/h]
4
56
8
10
15
20
2530
40
5060
80
100
150
200
[m]H
HS
4-pole, 50 HzVers ion 5
400-350-397
350-250-630
350-250-498
300-250-381
300-250-305
300-200-489
250-200-381
250-200-305
200-150-508200-150-483
200-150-381
200-150-305C
200-150-305A
1 50-1 25-381
150-125-305
125-100-381
125-100-305
125-100-280
100-80-356
100-80-242
65-50-331
65-50-242
60 80 100 150 200 300 400 500 600 800 1000 1500 2000 2500Q [m�/h]
4
5
6
7
8
10
15
20
30
40
50
60
70[m]H
HS
6-pole, 50 HzVers ion 5
400-350-397
350-300-508
350-250-630
350-250-498
300-250-381
300-250-305
300-200-489
250-200-381
200-150-508
200-150-483
HSRANGEovERvIEW 2/4/6 PoLE MotorS DoCUMENTATIoN Data Booklet• Technicalproductdescriptions• Productapplications• Performancecurves• Accessories• AvailableinWebCAPS
I&O• Installationandoperation• Warningsandsafetyrequirements• Targetedforinstallers,servicers,andend-users• Shippedwiththepump
Service Instructions• Descriptionofserviceprocedures• Intendedforservicetechnicians• AvailableinWebCAPS
WebCAPS/WinCAPS• Pumpselectionprogram• PDFliteraturefilesavailable• Servicevideos• Replacementpumpinformation• PumpCADdrawings
10 Ways to Kill Your HS Pump
1. Overwork itWorkthepumpcontinuouslyathighercapacities,flows,heads,or speeds than originally specified.
2. Starve itNevergreaseoroilthepump.
3. Choke it• Lowerthewaterlevelinthesump.• Letthesuctionstrainerclogandnevercleanit.• Letthetemperatureoffluidrisewithoutraising the suction pressure.
4. Fry itoperateatshutofffora longtimewiththebypass lineclosedtightwillconvertyourpowertoheat.
5. Poison itChangethepumpedfluidwithoutcheckingwiththemanufac-turer(forexampleaddingchemicals).
6. Stab itRemovethesuctionstrainerswhichwillintroducegrit,sand,andscaleintothefluid.
7. Break its limbsImposeheavypipingloadsonthesuctionanddischarge nozzle, either through initial misalignment or through thermal expansion.
8. Shake itDon’talignatinstallationorinstallonaflimsyfoundation.
9. Drown itFor a packed pump with a drain for the gland leakage: • Plugthedrainwithacigarettebutt,gumorpaper.• Removethewatershield.• Lineupthesplitsonthepackingrings.
10. Neglect check-ups• Ignorethemanufacturer’srecommendationsfor “check-ups”• Don’tcheckpacking,gaskets,o-rings,or other small parts. • Don’teverrepaintit,orlubricatethecoupling, if required. • Don’tcheckvibration.
IMPoRTANTSERvICE&INSTALLATIoNINFoRMATIoN
Being responsible is our foundationThinking ahead makes it possible
Innovation is the essence
FOr PrODuCT requeSTS, PleASe CONTACT:[email protected]
GruNDFOS A/SPoul Due Jensens Vej 7DK-8850 BjerringbroTel: +45 87 50 14 00
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