Grundfos 96621872 CR 20-12 A-GJ-A-E-HQQE vertical multistage centrifugal pump with 12 stages, rated flow 21 m³/h, rated head 142.7 m, and maximum head 178 m. The pump features a cast iron base, stainless steel impellers, ANSI/JIS flanged connections (DN 50 inlet/outlet, 250 lb rating), and a single HQQE shaft seal with EPDM elastomer. It is driven by an IEC motor with FF300 flange and operates at 2923 RPM. The pump is certified for drinking water (WRAS, ACS) and meets MEI ≥ 0.70.

Approvals

CE,EAC,UKCA,SEPRO

Approvals for drinking water

WRAS,ACS

Base

Cast iron

Code for rubber

E

Code for shaft seal

HQQE

Connect code

GJ

Curve tolerance

2012 3B

Density

998.2 kg/m³

Flange rating inlet

250 lb

Flange size for motor

FF300

Impeller

Stainless steel

Impellers

12

Liquid temperature range (°C)

-20 - 120

Low NPSH

N

Material code

A

Max pressure at stated temp (°C)

25 bar / 120

Maximum head

178 m

Maximum operating pressure (bar)

25

Minimum efficiency index, MEI ≥

0.70

Model

A

Motor standard

IEC

Number of reduced-diameter impellers

0

Power (P2) required by pump

15 kW

Pressure rating for connection

PN 25

Pressure sensor

N

Product name

CR 20-12 A-GJ-A-E-HQQE

Product no

96621872

Pump orientation

Vertical

Pump speed on which pump data are based

2923 RPM

Pump version

A

Pumped liquid

Water

Rated flow

21 m³/h

Rated head

142.7 m

Selected liquid temperature (°C)

20

Shaft seal arrangement

Single

Size of inlet connection

DN 50

Size of outlet connection

DN 50

Stages

12

Temperature (°C)

25 bar / -20

Type of connection

ANSI / JIS