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SINES - Grundfos CRI, CRN 20 vertical centrifugal pump


GRUNDFOS CRI, CRN 20


  • Categorie : Surface pumps

Max. TDH: 250m - Max. flow rate: 29m3/h - vertical multistage in-line

The CRI 20 and CRN 20 are the all-stainless-steel versions of the CR 20: EN 1.4301 (AISI 304) for the CRI, EN 1.4401 (AISI 316) for the CRN - ideal for aggressive liquids and industrial applications. IE3 three-phase motor from 1.1 to 18.5 kW. 12 stage variants. Oval flange Rp 2 or DN 50 flange connection.


CRI/CRN 20-1

1.1 kW

 CRI/CRN 20-2

2.2 kW

 CRI/CRN 20-3

4 kW
CRI/CRN 20-4

5.5 kW

 CRI/CRN 20-5

5.5 kW

 CRI/CRN 20-6

7.5 kW
CRI/CRN 20-7

7.5 kW

 CRI/CRN 20-8

11 kW

 CRI/CRN 20-10

11 kW
CRI/CRN 20-12

15 kW

 CRI/CRN 20-14

15 kW

 CRI/CRN 20-17

18.5 kW
Solar pumping systems for reliable Water Supply in Africa

Grundfos CRI and CRN are the all-stainless-steel versions of the CR vertical multistage in-line centrifugal pumps: suction and discharge ports are on the same level, for a compact footprint. The CRI, CRN 20 covers a flow rate up to 29 m³/h (nominal 20 m³/h) and a TDH up to 250 m, with a maximum efficiency of 72%.

All-stainless-steel construction: the CRI 20 is made of EN 1.4301 (AISI 304) stainless steel, the CRN 20 of EN 1.4401 (AISI 316) for aggressive liquids (acids, alkalis, reverse osmosis, demineralisation). Balanced HQQE cartridge mechanical seal, maintenance-free. Liquid temperature -20 to +120 °C, maximum operating pressure 25 bar.

High-efficiency IE3 three-phase Grundfos MG motor, from 1.1 to 18.5 kW. CRIE / CRNE versions with integrated MGE frequency converter are 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 with the CRN). Oval flange Rp 2 or DN 50 flange connection. 12 stage variants available (see table above) to match the operating 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, CRI, CRN designation key

SINES - Grundfos CRI, CRN 20 - performance curves 50 Hz

SINES - Grundfos CRI, CRN 20 - performance curves 50 Hz



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

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




References & article codes

Grundfos CRI 20 (AISI 304 stainless steel) and CRN 20 (AISI 316 stainless steel) ranges - vertical multistage three-phase pumps, 380-415 V / 50 Hz, HQQE mechanical seal. Viton seal (HQQV) and other variants on request. Price and availability on request.

Article code Designation P2 [kW] In [A] Connection
93388990CRI 20-11.12.4Flanges DN50
93388922CRI 20-11.12.4PJE (Victaulic)
93388991CRI 20-22.24.5Flanges DN50
93388923CRI 20-22.24.5PJE (Victaulic)
93389569CRI 20-347.5Flanges DN50
93389497CRI 20-347.5PJE (Victaulic)
93389570CRI 20-45.511Flanges DN50
93389498CRI 20-45.511PJE (Victaulic)
93389571CRI 20-55.511Flanges DN50
93389499CRI 20-55.511PJE (Victaulic)
93389572CRI 20-67.514.4Flanges DN50
93389500CRI 20-67.514.4PJE (Victaulic)
93389573CRI 20-77.514.4Flanges DN50
93389501CRI 20-77.514.4PJE (Victaulic)
93389574CRI 20-81120.8Flanges DN50
93389502CRI 20-81120.8PJE (Victaulic)
93389575CRI 20-101120.8Flanges DN50
93389503CRI 20-101120.8PJE (Victaulic)
93389576CRI 20-121528.5Flanges DN50
93389504CRI 20-121528.5PJE (Victaulic)
93389577CRI 20-141528.5Flanges DN50
93389505CRI 20-141528.5PJE (Victaulic)
93389578CRI 20-1718.537Flanges DN50
93389506CRI 20-1718.537PJE (Victaulic)
93389193CRN 20-11.12.4Flanges DN50
93389128CRN 20-11.12.4PJE (Victaulic)
93389194CRN 20-22.24.5Flanges DN50
93389129CRN 20-22.24.5PJE (Victaulic)
93389789CRN 20-347.5Flanges DN50
93389714CRN 20-347.5PJE (Victaulic)
93389790CRN 20-45.511Flanges DN50
93389715CRN 20-45.511PJE (Victaulic)
93389791CRN 20-55.511Flanges DN50
93389716CRN 20-55.511PJE (Victaulic)
93389792CRN 20-67.514.4Flanges DN50
93389717CRN 20-67.514.4PJE (Victaulic)
93389793CRN 20-77.514.4Flanges DN50
93389718CRN 20-77.514.4PJE (Victaulic)
93389795CRN 20-81120.8Flanges DN50
93389719CRN 20-81120.8PJE (Victaulic)
93389796CRN 20-101120.8Flanges DN50
93389720CRN 20-101120.8PJE (Victaulic)
93389797CRN 20-121528.5Flanges DN50
93389721CRN 20-121528.5PJE (Victaulic)
93389798CRN 20-141528.5Flanges DN50
93389722CRN 20-141528.5PJE (Victaulic)
93389799CRN 20-1718.537Flanges DN50
93389723CRN 20-1718.537PJE (Victaulic)

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