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GRUNDFOS CR 45

Categorie : Surface pumps

Max. TDH: 330 m - Max. flow rate: 58 m3/h

The CR 45 is a Grundfos vertical multistage centrifugal pump with an in-line design. Cast-iron pump head and base, AISI 304 stainless steel hydraulics, maintenance-free cartridge mechanical seal. Three-phase IE3 motor from 3 to 45 kW. 25 stage variants to cover every duty point. DN 80 flange connection.

CR 45-1-1 3 kW	CR 45-1 4 kW	CR 45-2-2 5.5 kW
CR 45-2 7.5 kW	CR 45-3-2 11 kW	CR 45-3 11 kW
CR 45-4-2 15 kW	CR 45-4 15 kW	CR 45-5-2 18.5 kW
CR 45-5 18.5 kW	CR 45-6-2 22 kW	CR 45-6 22 kW
CR 45-7-2 30 kW	CR 45-7 30 kW	CR 45-8-2 30 kW
CR 45-8 30 kW	CR 45-9-2 30 kW	CR 45-9 37 kW
CR 45-10-2 37 kW	CR 45-10 37 kW	CR 45-11-2 45 kW
CR 45-11 45 kW	CR 45-12-2 45 kW	CR 45-12 45 kW
CR 45-13-2 45 kW
Official Grundfos distributor, wholesaler and exporter worldwide

The Grundfos CR range consists of vertical multistage in-line centrifugal pumps: suction and discharge ports are on the same level for a compact footprint. The CR 45 covers a flow rate up to 58 m³/h (nominal 45 m³/h) and a TDH up to 330 m, with a maximum efficiency of 79%.

Construction: cast-iron pump body and base, hydraulics (impellers, chambers, sleeve) in EN 1.4301 (AISI 304) stainless steel. Balanced, maintenance-free HQQE cartridge mechanical seal. Liquid temperature -30 to +120 °C (up to +180 °C on request), maximum operating pressure 33 bar.

High-efficiency three-phase IE3 motor, 3 to 45 kW (Grundfos MG up to 22 kW, 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 80 flange connection. 25 stage variants available (see table above) for precise matching to the duty point.

Official Grundfos distributor, SINES Export is the wholesaler and exporter specialised in Grundfos pumps for B2B customers worldwide. Our teams support installers, resellers and distributors on export markets (Africa, Middle East and beyond).

SINES Export - Grundfos CR 45 - performance curves 50 Hz

Performance curves for the CR 45 — 50 Hz, 2900 rpm, ISO 9906:1999 annex A (source: Grundfos technical literature). Maximum TDH: 330 m — maximum flow rate: 58 m³/h.

SINES Export - Grundfos CR, CRI, CRN - range performance envelope (50 Hz)

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

References & article codes

Grundfos CR 45 range — three-phase vertical multistage pumps 380-415 V, 50 Hz, AISI 304 stainless steel hydraulics, cast-iron head and base, HQQE mechanical seal. Viton seal (HQQV) and other variants on request. Price and availability on request.

Article code	Designation	P2 [kW]	In [A]	Connection
93392684	CR 45-1-1	3	6	DN80 flanges
93392685	CR 45-1	4	7.5	DN80 flanges
93392759	CR 45-2-2	5.5	11	DN80 flanges
93392770	CR 45-2	7.5	14.4	DN80 flanges
93392772	CR 45-3	11	20.8	DN80 flanges
93392771	CR 45-3-2	11	20.8	DN80 flanges
93392774	CR 45-4	15	28.5	DN80 flanges
93392773	CR 45-4-2	15	28.5	DN80 flanges
93392776	CR 45-5	18.5	37	DN80 flanges
93392775	CR 45-5-2	18.5	37	DN80 flanges
93436121	CR 45-6	22	38	DN80 flanges
93436120	CR 45-6-2	22	38	DN80 flanges
93435066	CR 45-7	30	51	DN80 flanges
93435065	CR 45-7-2	30	51	DN80 flanges
93435069	CR 45-8	30	51	DN80 flanges
93435068	CR 45-8-2	30	51	DN80 flanges
93435080	CR 45-9-2	30	51	DN80 flanges
93435081	CR 45-9	37	63	DN80 flanges
93435083	CR 45-10	37	63	DN80 flanges
93435082	CR 45-10-2	37	63	DN80 flanges
93435085	CR 45-11	45	77	DN80 flanges
93435084	CR 45-11-2	45	77	DN80 flanges
93435088	CR 45-12	45	77	DN80 flanges
93435086	CR 45-12-2	45	77	DN80 flanges
93435091	CR 45-13-2	45	77	DN80 flanges

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