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Grundfos CR 255 vertical multistage CR pump

GRUNDFOS CR 255


  • Surface pumps: Grundfos CR

Head at Q=0 up to: 280 m · Official curve up to: 320 m³/h · 3 x 380-415 V · 50 Hz

The Grundfos CR 255 is a vertical multistage centrifugal pump with in-line suction and discharge ports. The pump head and base are cast iron; the other wetted hydraulic components are AISI 304 stainless steel. Standard HQQE mechanical seal.


CR 255-1-1

Head at Q=0: 43 m
P2: 30 kW

CR 255-1

Head at Q=0: 52 m
P2: 45 kW

CR 255-2-2

Head at Q=0: 82 m
P2: 55 kW

CR 255-2

Head at Q=0: 102 m
P2: 75 kW

CR 255-3-2

Head at Q=0: 131 m
P2: 90 kW

CR 255-3

Head at Q=0: 151 m
P2: 110 kW

CR 255-4-2

Head at Q=0: 181 m
P2: 132 kW

CR 255-4

Head at Q=0: 201 m
P2: 160 kW

CR 255-5-3

Head at Q=0: 220 m
P2: 160 kW

CR 255-5

Head at Q=0: 250 m
P2: 200 kW

CR 255-6-2

Head at Q=0: 280 m
P2: 200 kW

 
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This selection covers only standard Grundfos CR pumps in three-phase 380-415 V, 50 Hz. CRI, CRN, single-phase, HQQV and other variants are excluded.

The numeric head values are read at Q=0 from the official 2026 Grundfos vector curves and rounded to the nearest metre. They support comparison and preselection.

Use Grundfos Product Center or the product datasheet for contractual duty-point sizing. No prices are published on this page.

Grundfos CR 255 official 2026 hydraulic curves

Official Grundfos CR 255 hydraulic curves from the 2026 catalogue, ISO 9906:2012 Grade 3B. Numeric table values correspond to the Q=0 curve intercept, rounded to the nearest metre.


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References & article codes

Standard Grundfos CR 255 references: AISI 304 hydraulics, HQQE seal, three-phase 380-415 V, 50 Hz. Both official connection variants are retained when listed. No prices are published.

Article codeDesignationHead at Q=0 [m]P2 [kW]In [A]Connection
93435323CR 255-1-1433056.1Flanges DN200
93435324CR 255-1524584.7Flanges DN200
93435325CR 255-2-28255103.4Flanges DN200
92905930CR 255-210275132Flanges DN200
92905931CR 255-3-213190159Flanges DN200
92905932CR 255-3151110193Flanges DN200
92905933CR 255-4-2181132231Flanges DN200
92905934CR 255-4201160278Flanges DN200
92905935CR 255-5-3220160278Flanges DN200
92905936CR 255-5250200347Flanges DN200
92905937CR 255-6-2280200347Flanges DN200

Grundfos CR · 380-415 V · 50 Hz

Scope: CR only, standard AISI 304 hydraulics, HQQE seal, three-phase 380-415 V, 50 Hz. Every family page includes official 2026 curves, numeric Q=0 head values and catalogue article codes. No prices are shown.

Request technical selectionGrundfos CR vertical multistage pumps
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