GRUNDFOS CR 125

Surface pumps: Grundfos CR

Head at Q=0 up to: 167 m · Official curve up to: 160 m³/h · 3 x 380-415 V · 50 Hz

The Grundfos CR 125 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 125-1 Head at Q=0: 35 m P2: 11 kW	CR 125-2-2 Head at Q=0: 49 m P2: 15 kW	CR 125-2-1 Head at Q=0: 59 m P2: 18.5 kW
CR 125-2 Head at Q=0: 68 m P2: 22 kW	CR 125-3-1 Head at Q=0: 92 m P2: 30 kW	CR 125-3 Head at Q=0: 101 m P2: 37 kW
CR 125-4-2 Head at Q=0: 115 m P2: 37 kW	CR 125-4 Head at Q=0: 134 m P2: 45 kW	CR 125-5 Head at Q=0: 167 m P2: 55 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 125 official 2026 hydraulic curves

Official Grundfos CR 125 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 125 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 code	Designation	Head at Q=0 [m]	P2 [kW]	In [A]	Connection
93390552	CR 125-1	35	11	22.2	DN150 flanges
93390556	CR 125-2-2	49	15	30.5	DN150 flanges
93390561	CR 125-2-1	59	18.5	39.5	DN150 flanges
93436061	CR 125-2	68	22	41.8	DN150 flanges
93435290	CR 125-3-1	92	30	56.1	DN150 flanges
93435294	CR 125-3	101	37	69.3	DN150 flanges
93435296	CR 125-4-2	115	37	69.3	DN150 flanges
93435300	CR 125-4	134	45	84.7	DN150 flanges
93435303	CR 125-5	167	55	103.4	DN150 flanges

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.

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