CombiNormCentrifugal pump according to EN 733 (DIN 24255)

CombiNormAlways the right pump!

Benefits

• Availableinseveralmaterials

• Only5bearinggroupsforthewholerange

• Suitableforawiderangeofduties

• Mechanicalsealsaccordingto EN 12756 (DIN 24960)

• Singleanddoublecartridgeseals

• Standardtypeglandpacking

• BackPullOutprinciple

The CombiNorm is a centrifugal pump according to EN 733 (DIN 24255). This is one of the most versatile pump types. The pump has a wide range of shaft sealing options, varying from gland packing to balanced cartridge double seal. Standard and heavy duty bearings are available, either grease or oil lubricated. That’s why CombiNorm is always the right pump!

CombiNorm represents a range of horizontal centrifugal pumps suited for handling low-viscosity,cleanorslightlycontaminatedliquids.The pump is designed to EN 733 (DIN 24255); howeverthenumberofavailabletypesissomewhatlarger,whichprovidesawiderhydraulicfield. A characteristic of the CombiNorm is the large numberofmaterial,shaftsealandbearingsystemoptions.Themodulardesignoffersmaximuminterchangeabilitybetweenthevariants.HenceCombiNormisabletohandlemostpumpduties.Ifmoresophisticatedcomponentsarerequired,onlytherelevantbearingorshaftsealmoduleneedstobereplacedwiththeonehavingtherightspecifications. TheBackPullOutdesigngreatlyfacilitatesmaintenanceoftheCombiNorm.Thankstothesimilaritybetweenthestructuralparts,thestockofsparepartscanbelimited.

CombiNorm

Fromknow-howto finding solutions

IndustryCombiNorm’samplechoiceofshaftsealingoptionsanditsavailabilityinseveralmaterialsmakesitaverysuitablepumpforgeneralpurposes.ComplyingtoEN733(DIN 24255),providedwithindustrialstandardglandpackingormechanicalsealsaccordingtoEN12756(DIN 24960) CombiNorm is always therightpump.

ApplicationsoftheCombiNormwithinutilitybuildingsareasgeneraldutypumps,circulationpumpsinheatingsystemsandpumpsinwaterpurificationplants.

Utility

Features and Benefits

Foot•machinedfoot•exactpositioningonbaseplate

and in pipework

Impeller locking•stainlesssteelimpellercapnutwithflatgasket

• reliableandeconomiclocking

Material options•availableincastiron,nodularcastiron

and bronze• impellersavailableincastiron,bronze

and stainless steel•othermaterialavailableuponrequest•suitableforawiderangeof

applications

Pump casing•flangesaccordingto ISO7005PN10/PN16

•max.workingpressure1000kPa(10bar)•widerangeofapplications• largedrainopening•completeandfastdrainingofthecasing

Pump performance•optimisedvolutedesign•highefficiency•smoothsurfaces•minimalinternallosses

Suction capabilities•smoothsuctionentryin

pump casing•smoothsurface•optimumNPSH•antirotationvane•minimalflowdistortion

giving better suction capabilities

Impeller back vanes•flatcoverforhydraulicbalancing•backvanesforhydraulicbalancing•extendedbearinglife•keepssolidsawayfromshaftsealingarea•circulationflowovermechanicalseal

Bearings•2-deepgrooveballbearingssealedforlife

or oil lubricated double row angular contact bearing and roller bearing greased for re-lubrication or oil lubricated

•extendedMTBF•economicbearinglock-up•rigidcastironbearingbracketconstruction•exactalignment

Shaft sealing•8possiblemechanicalEN12756(DIN 24960)-seal options,includingcartridgeseals

•sealingringsandelastomersinseveralpossiblecombinations

•mechanicalsealflushedbypumpedliquid(plan11)•quenchedmechanicalsealoptionmechanicalsealoptionwithcooling/heatingjacket

•3possibleglandpackingoptionse.g.withcoolingcoverorexternalflush

•suitableformanypossibleapplications•suitableformanyliquids•alsosuitableforhightemperatures

Shaft•steelalloyorstainlesssteelshaft•rigid,reliableshaft•mostsealoptionswithshaftsleeve(extendedimpellerkeyensures co-rotation of the shaft)

•nocontactbetweenshaftandpumpedliquidwhenshaftsleeveapplied

Easy and low cost maintenance•BackPullOutprinciple•reducedmaintenancedowntimes,quickandeasyimpeller replacement

•mechanicalsealsaccordingto EN 12756 (DIN 24960)

•reducedmaintenancecosts•cartridgeseals•changeablewearring•reducedmaintenancecosts

Pump cover•flatgasket,fullychambered•nogasketblow-out•machinedfits•integratedstuffingbox/

mechanical seal chamber•perfectalignmentofall

components

Oil lubrication•breather/fillingplugontop•oilbath•oilsightglass•constantleveloiler• largedrainplug

ShaftsealingsCombiNormisavailablewiththefollowingshaftsealingconfigurations:Gland packing options:

Mecahnical seal options:

M1Singlemechanicalseal,unbalanced

M2 MG12 / M7NSinglemechanicalseal,un-balanced,shaftsleeve

M3 HJ92N / HJ977GNSinglemechanicalseal,bal-anced,shaftsleeve

MQ3 HJ92N / HJ977GNSinglemechanicalseal,balanced,dry-runningpro-tection or pressure-less quench,shaftsleeve

MW2 MG12 / M7NSinglemechanicalseal,un-balanced,cooling/heatingjacket,shaftsleeve

MW3 HJ92N / HJ977GNSinglemechanicalseal,balanced,cooling/heatingjacket,shaftsleeve

Cartridge sealssingle,singlewithquenchand double seals

MQ2 MG12 / M7NSinglemechanicalseal,unbalanced,dry-runningprotection or pressure-less quench,shaftsleeve

S2Softpackingring,shaftsleeve

S3Softpackingring,shaftsleeve,lanternring

S4Softpackingring,shaftsleeve,coolingjacket

4 6 8 10 12 14 16 20 30 40 60 80 100 120 150 200 300

[m3/h]Q

10

15

20

25

30

40

50

60

80

100[m]

H

25-125

25-160 32-160

32-200 40-200 50-20065-200

80-200

40-160 50-160 65-160

80-160

32-125 40-125 50-125 65-125 100-125

2 3 4 6 8 10 12 1416 20 30 40 60 80 100 150 200 300 400 600 8001000 1250[m3/h]Q

2

3

4

56

8

10

15

20

25

303540

5060

80

100[m]

H

25-125

25-160 32-160

32-200

32-250 40-250

40-315 50-315 65-315

80-315

80-400

100-400

125-315

125-400150B-400

200-315250-315

50-250 65-250

80-250

40-20050-200

65-20080-200 100-200

125-250

150-250 200-250250-250

200-200250-200

150-200

100-315

100-250

40-160 50-160 65-160

80-160 100-160 150-160

32-125 40-125 50-125 65-125

125-125

100-125

150-125

3 4 66

8

10

15

20

25

30

40

50

60

80

100

120

8 10 12 14 16 20 30 40 60 80 100 120 150 200 250 300 400

[m3/h]Q

[m]

H

25-125

25-160 32-160

32-200

32-25040-250 50-250 65-250

80-250

40-200 50-20065-200

80-200

40-16050-160

65-160

80-160 100-160

100-200

100-250

32-125 40-125 50-125 65-125100-125

2

2

3

4

5678

10

15

20

2530

40

50607080

100

13 4 5 6 7 8 10 15 20 30 40 50 60 80 100 150 200 300 400 500600 8001000 1500

[m3/h]

[m]

Q

H

25-125

25-160 32-160

32-200

32-25040-250

40-31550-315 65-315

80-315

80-400

100-400

125-315

125-400150-400

200-400

150-500125-500

150B-400

150-315200-315

250-315

300-315

50-250 65-250

80-250

40-200 50-20065-200

80-200 100-200

125-250150-250 200-250

250-250

300-250

200-200 250-200

300-200

150-200

100-315

100-250

40-160 50-160 65-160

80-160100-160

150-160200-160

32-125 40-125 50-125 65-125

125-125

100-125

150-125

Hydraulicperformancedata

Technical data Max.capacity 1500m3/hMax.head 100mMax.workingpressure 1000kPa(10bar)Max.temperature 200°CMax.speed 3600rpm

Subjecttoalterations

3000 rpm 1500 rpm

3600 rpm 1800 rpm

2

1

2

2

1

2

2

2

Yourlocalcontact:

SPXProcessEquipmentNLB.V.DrA.F.Philipsweg51,P.O.Box9NL-9400AAAssen,NETHERLANDSPhone:+31(0)592376767.Fax:+31(0)592376760E-Mail:jp-industry.nl@processequipment.spx.com

Formoreinformationaboutourworldwidelocations,approvals,certifications,andlocalrepresentatives,pleasevisit www.johnson-pump.comandwww.spxpe.com.

SPXreservestherighttoincorporateourlatestdesignandmaterialchangeswithoutnoticeorobligation.Designfeatures,materialsofconstructionanddimensionaldata,asdescribedinthisbulletin,areprovidedforyourinformationonlyandshouldnotberelieduponunlessconfirmedinwriting.

Issued:06/2009 Copyright©2009SPXCorporationJP-CN-EN

BearingTheCombiNormhas2bearingarrangements:1.twodeep-grooveballbearings(greaselubricated“sealedforlife”)2.adouble-row(twosingle–bearinggroup4)angularcontactballbearingincombinationwitharoller

bearingBothversionscanbeprovidedgreaselubricatedaswellasoillubricated.

Grease lubrication

Oil lubrication

Bearing group 4Bearing groups 0 - 0+ Bearing groups 1 - 2 - 3

Bearing groups 1 - 2 - 3 Bearing group 4Bearing groups 0 - 0+

adjustable

adjustable