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GRUNDFOS CR 155

Categorie : Surface pumps

Max. TDH: 145m - Max. flow rate: 190m3/h

Grundfos CR 155 pumps are vertical multistage centrifugal pumps with an in-line design. Cast iron pump head and base, AISI 304 stainless steel hydraulics, maintenance-free cartridge mechanical seal. Three-phase IE4 motor from 11 to 55 kW. 7 stage variants to cover every duty point. DN 150 flange connection.

CR 155-1-1 11 kW	CR 155-1 15 kW	CR 155-2-2 22 kW
CR 155-2 30 kW	CR 155-3-2 37 kW	CR 155-3 45 kW
CR 155-4-1 55 kW
Official Grundfos distributor - wholesale & export worldwide

The Grundfos CR range consists of vertical multistage centrifugal in-line pumps: suction and discharge ports at the same level for a compact footprint. The CR 155 covers a flow rate up to 190 m³/h (nominal 155 m³/h) and a TDH up to 145 m, with a maximum efficiency of 83%.

Construction: cast iron pump body and base, hydraulics (impellers, chambers, sleeve) in stainless steel EN 1.4301 (AISI 304). Balanced HQQE cartridge mechanical seal, maintenance-free. Liquid temperature -20 to +120 °C, operating pressure up to 40 bar depending on the model.

High-efficiency IE4 three-phase motor, from 11 to 55 kW (Grundfos MG up to 22 kW, Innomotics — formerly Siemens — above). CRE versions with integrated MGE frequency converter available on request, for constant pressure and energy savings.

Applications: water boosting and distribution, industrial process water, washing plants, boiler feed, cooling and air conditioning, irrigation. DN 150 flange connection. 7 stage variants available (see table above) to match the duty point precisely.

Official Grundfos distributor, SINES Export is a wholesaler and exporter specialising in Grundfos pumps. Our teams support installers, resellers and distributors worldwide on a B2B basis.

SINES - Grundfos CR 155 - performance curves 50 Hz

Performance curves of the CR 155 — 50 Hz, 2950 rpm, ISO 9906:2012 Grade 3B. Maximum TDH: 145 m — maximum flow rate: 190 m³/h.

SINES - surface pumps - Grundfos CR, CRI, CRN range

Performance range - GRUNDFOS CR, CRI, CRN vertical multistage pumps - Source: https://www.grundfos.com/

References & article codes

Grundfos CR 155 range — three-phase vertical multistage centrifugal pumps 380-415 V / 50 Hz, AISI 304 stainless steel hydraulics, cast iron head and base, HQQE mechanical seal. Viton (HQQV) seal and other variants on request. Price and availability on request.

Article code	Designation	P2 [kW]	In [A]	Connection
93390568	CR 155-1-1	11	22.2	Flanges DN150
93390572	CR 155-1	15	30.5	Flanges DN150
93436062	CR 155-2-2	22	41.8	Flanges DN150
93435305	CR 155-2	30	56.1	Flanges DN150
93435308	CR 155-3-2	37	69.3	Flanges DN150
93435310	CR 155-3	45	84.7	Flanges DN150
93435311	CR 155-4-1	55	103.4	Flanges DN150

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