combinorm - pumpfundamentals.comcombinorm’s ample choice of shaft sealing options and its...
TRANSCRIPT
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:[email protected]
Formoreinformationaboutourworldwidelocations,approvals,certifications,andlocalrepresentatives,pleasevisit www.johnson-pump.comandwww.spxpe.com.
SPXreservestherighttoincorporateourlatestdesignandmaterialchangeswithoutnoticeorobligation.Designfeatures,materialsofconstructionanddimensionaldata,asdescribedinthisbulletin,areprovidedforyourinformationonlyandshouldnotberelieduponunlessconfirmedinwriting.
Issued:10/2008 Copyright©2008SPXCorporationJP-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