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SINES - Grundfos CRN 64 - vertical multistage stainless steel surface pump


GRUNDFOS CRN 64


  • Category: Surface pumps

Max. TDH: 230 m - Max. flow rate: 85 m³/h - vertical multistage in-line

The CRN 64 is the all-stainless-steel EN 1.4401 (AISI 316) version of the CR 64, designed for aggressive liquids, process water and water treatment. Three-phase IE3 motor from 4 to 45 kW. 22 stage variants. Flange connection DN 100.


CRN 64-1-1

4 kW

 CRN 64-1

5.5 kW

 CRN 64-2-2

7.5 kW
CRN 64-2-1

11 kW

 CRN 64-2

11 kW

 CRN 64-3-2

15 kW
CRN 64-3-1

15 kW

 CRN 64-3

18.5 kW

 CRN 64-4-2

18.5 kW
CRN 64-4-1

22 kW

 CRN 64-4

22 kW

 CRN 64-5-2

30 kW
CRN 64-5-1

30 kW

 CRN 64-5

30 kW

 CRN 64-6-2

30 kW
CRN 64-6-1

37 kW

 CRN 64-6

37 kW

 CRN 64-7-2

37 kW
CRN 64-7-1

37 kW

 CRN 64-7

45 kW

 CRN 64-8-2

45 kW
CRN 64-8-1

45 kW

    
Official Grundfos distributor, B2B export worldwide

The Grundfos CRN is the all-stainless-steel version of the CR vertical multistage in-line centrifugal pumps: suction and discharge ports are on the same level for a compact footprint. The CRN 64 covers flow rates up to 85 m³/h (nominal 64 m³/h) and head up to 230 m, with a maximum efficiency of 80%.

All-stainless-steel construction: all parts in contact with the liquid are made of EN 1.4401 (AISI 316) stainless steel, the right choice for aggressive and industrial liquids (acids, alkalis, reverse osmosis, demineralisation, separators). Balanced cartridge mechanical seal, maintenance-free. Liquid temperature -30 to +120 °C, maximum operating pressure 22 bar.

High-efficiency three-phase IE3 motor, from 4 to 45 kW (Grundfos MG up to 22 kW, Siemens above). CRNE 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, water treatment (ultra-filtration, reverse osmosis). Flange connection DN 100. 22 stage variants available (see table above) to match the operating point precisely.

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


SINES - Grundfos CRN - how to read the type designation

SINES - Grundfos CRN 64 - performance curves 50 Hz

Performance curves of the CRN 64, 50 Hz, 2900 rpm, ISO 9906:1999 annex A (source: Grundfos technical booklet). Maximum TDH: 230 m, maximum flow rate: 85 m³/h.



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

Performance ranges of the Grundfos CR, CRI, CRN vertical multistage pump range - 50 Hz - Source: https://www.grundfos.com/




References & article codes

Grundfos CRN 64 range, three-phase vertical multistage pumps 380-415 V, 50 Hz, all-stainless-steel AISI 316, HQQE mechanical seal. Viton seal (HQQV) and other variants on request. Price and availability on request.

Article code Designation P2 [kW] In [A] Connection
93392898CRN 64-1-147.5Flanges DN100
93392899CRN 64-15.511Flanges DN100
93392900CRN 64-2-27.514.4Flanges DN100
93392902CRN 64-21120.8Flanges DN100
93392901CRN 64-2-11120.8Flanges DN100
93392904CRN 64-3-11528.5Flanges DN100
93392903CRN 64-3-21528.5Flanges DN100
93392905CRN 64-318.537Flanges DN100
93392906CRN 64-4-218.537Flanges DN100
93436186CRN 64-42238Flanges DN100
93436185CRN 64-4-12238Flanges DN100
93435247CRN 64-53051Flanges DN100
93435245CRN 64-5-13051Flanges DN100
93435244CRN 64-5-23051Flanges DN100
93435248CRN 64-6-23051Flanges DN100
93435250CRN 64-63763Flanges DN100
93435249CRN 64-6-13763Flanges DN100
93435252CRN 64-7-13763Flanges DN100
93435251CRN 64-7-23763Flanges DN100
93435253CRN 64-74577Flanges DN100
93435255CRN 64-8-14577Flanges DN100
93435254CRN 64-8-24577Flanges DN100

For detailed datasheets, dimensions and a customised pump selection, consult the Grundfos Product Center.


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