Reading the Pump Nameplate

1 GRUNDFOS CR SERVICE MANUALCR Reading the Pump NameplateCode for Type of Pump or Physical ChangesType of PumpA = IEC pumpE = Ejector pumpF = Cool Top high temperature modelH = Horizontal pump with electric motor and end-suction baseHS = High speed/pressure reverse chamber stack/ direction of rotationK = Low NPSH pumpM = Magnetic Drive CouplingR = Horizontal construction with bearing bracketS = Pump without stayboltsSF = High pressure pump without staybolts reverse stack rotationU = NEMA pumpPhysical ChangesB = Oversized motorC = Changed point of connectionD = Intensifier tank for double sealI = Changed pressure classJ = CRE pump (pumps with high max speed rotation)N = CRE pump with transducerP = Undersized motor (1 flange size smaller)T = Oversized motor (2 flange sizes larger)X = Special productCode for Pipe ConnectionA = Oval flangeB = NPT threadC = Clamp connectionCA = FlexiClampF = DIN flangeFGJ= DIN, ANSI and JIS flanges combined into one baseG = ANSI flangeJ = JIS flangeM = Changed flange connectionN = Changed connection diameterO = External threadP = Victaulic coupling (PJE)W = Internal threadCode for MaterialsA = Standard materialsD = Graflon bearingG = stainless steel parts in 316 ss or similar materialGI = Baseplate and flanges are 316LN SSI = Nonstainless parts converted to SSJ = Shaft or sleeve made of 316 SSK = Intermediate bearings are bronzeR = Shaft or sleeve made of 904L SSS = Silicon Carbide intermediate bearing/Teflon sealT = TitaniumX = Special productZ = Pumps of bronze, components of cast bronzeCode for Rubber Parts in Pump(Excludes CR[N,X] 2, 4, 8, 16)

2 E = EPDMF = FXM (Flouraz)K = FFXM (Kalrez)P = NBR (Nitrile)T = PTFE wound around FKMV = FKMM aterial of Secondary Seal and other Parts made of Plastic/RubberE = EPDMK = FFXM (Kalrez)M = PTFE wound around FKMP = NBR (Nitrile)S = Q (Silicone rubber)T = PTFE (Teflon )V = FKMX = Special productMaterial of Stationary RingA = Carbon, metal impregnatedB = Carbon, plastic impregnatedC = Other types of carbonH = Carbon with imbedded Tungsten Carbide (Hybrid)Q = Silicon carbideS = Chromium steelU = Tungsten carbideV = Aluminum oxideX = Other types of ceramicsMaterial of Rotating RingA = Carbon, metal impregnatedB = Carbon, plastic impregnatedC = Other types of carbonQ = Silicon carbideS = Chromium steelU = Tungsten carbideV = Aluminum oxideX = Other types of ceramicsType of Shaft SealA = O-ring seal with fixed seal driverB = Rubber bellows sealC = O-ring seal with a spring working as a driverD = Balanced sealE = Cartridge with O-ring (Type A)F = Cartridge with rubber bellowsG = Bellows seal with reduced diameter stationary ringH = Balanced seal, cartridge (Type D)K = Metal bellows seal (Type M) CartridgeO = Double shaft seal (back to back)P = Double shaft seal (Tandem)Q = Quench seal (with flushing)

3 R = O-ring seal with reduced diameter stationary ringS = Shaft sealX = MiscellaneousPump horsepower Gallons per minute at rated RPM Maximum PSI Head (in feet) at Nameplate flow RPM Maximum fluid temperatureCentrifugal pump"I" or "X" Cast Iron components replaced by 316 ss , stack and sleeve of 304 SS"N" if all parts in contact with water are 316 ss "T" if all parts in contact with water are Titanium"E" if a Grundfos MGE or MLE VFD motor is attachedNo. of stages CR(I,N) 1S, 1, 3, 5, 10, 15 & 20No. of stages x 10 CR(N,X) 2, 4, 8, &16No. of stages CR(N) 32, 45, 64, & 90No. of impellers (used only if pump has fewer impellers than chambers)No. of reduced diameter impellers (CR(N) 32, 45, 64, & 90 only)CR 8-20/1 -1 U - G - A - E - BUBE A 12345678 P1 03 20 879 Product NumberDesignated model( A, B, C, D)Production CompanyLast two digits of year of productionProduction week number (01 to 51) serial numberNominal flow rate in m /hr (multiply by 5 to get GPM)3 Type designationModel, material number, production codeGallons per minute at rate RPMHead in feet at Nameplate flowPump horsepowerRated RPMM aximum PSIM aximum fluid temperatureReading The Pump Nameplate764352178812354763468512 LSM-NPC-001 1106 GRUNDFOS Pumps Corporation17100 W.

4 118th TerraceOlathe, Kansas 66062 Phone: : Canada, Brighton RoadOakville, Ontario L6H 6C9 CanadaPhone: : GRUNDFOS de Mexico de TLC No. 15 Parque Industrial Stiva AeropuertoApodaca, Mexico 66600 Phone: : name Grundfos, the Grundfos logo, and be think innovate are registered trademarks owned by Grundfos Holding A/S, Denmark. All rights reserved worldwide. Copyright Grundfos Holding A/S