Grundfos CR User Manual

11
English (US)
7.4 Maximum inlet pressures
* While pump is off or during start-up.
** During operation.
7.5 Maximum operating pressures
250 °F (194 °F for CRN-SF)
Consult Grundfos in case of other operating conditions.
Pump type
Stages
Max.
[psi (bar)]
60 Hz 50 Hz
CR, CRI, CRN 1s 2-27 2-36 145 (10)
CR, CRI, CRN 1 2-25 2-36 145 (10)
27 217 (15)
CR, CRI, CRN 3 2-17 2-29 145 (10)
19-25 31-36 217 (15)
CR, CRI, CRN 5 2-9 3-16 145 (10)
10-24 18-36 217 (15)
CR, CRI, CRN 10 1-5 1-6 116 (8)
6-17 7-22 145 (10)
CR, CRI, CRN 15 1-2 1-3 116 (8)
3-12 4-17 145 (10)
CR, CRI, CRN 20 1 1-3 116 (8)
2-10 4-17 145 (10)
CR, CRN 32 1-1 - 2 1-1 - 4 58 (4)
3-2 - 6 5-2 - 10 145 (10)
7-2 - 11-2 11-14 217 (15)
CR, CRN 45 1-1 - 1 1-1 - 2 58 (4)
2-2 - 3 3-2 - 5 145 (10)
4-2 - 8-1 6-2 - 13-2 217 (15)
CR, CRN 64 1-1 1-1 - 2-2 58 (4)
1 - 2-1 2-1 - 4-2 145 (10)
2 - 5-2 4-1 - 8-1 217 (15)
CRT 2 2-6 2-11 145 (10)
7-18 13-26 217 (15)
CRT 4 1-7 1-12 145 (10)
8-16 14-22 217 (15)
CRT 8 1-16 1-20 145 (10)
CRT 16 2-10 2-16 145 (10)
CRN-SF all all
72 (5)*
362 (25)**
Pump type/
connection
Stages
Max.
[psi (bar)]
60 Hz 50 Hz
CR, CRI, CRN 1s
Oval flange 1-17 1-23 232 (16)
FGJ, PJE 1-27 1-36 362 (25)
CR, CRI, CRN 1
Oval flange 1-17 1-23 232 (16)
FGJ, PJE 1-27 1-36 362 (25)
CR, CRI, CRN 3
Oval flange 1-17 1-23 232 (16)
FGJ, PJE 1-27 1-36 362 (25)
CR, CRI, CRN 5
Oval flange 1-16 1-22 232 (16)
FGJ, PJE 1-24 1-36 362 (25)
CR, CRI 10
Oval flange CR 1-6 145 (10)
Oval flange, CRI 1-10 1-16 232 (16)
FGJ, GJ, PJE 1-10 1-16 232 (16)
FGJ, GJ, PJE 12-17 17-22 362 (25)
CRN 10
All 1-17 1-22 362 (25)
CR, CRI 15
Oval flange 1-5 1-7 145 (10)
FGJ, GJ, PJE 1-8 1-10 232 (16)
FGJ, GJ, PJE 9-12 12-17 362 (25)
CRN 15
All 1-12 1-17 362 (25)
CR, CRI 20
Oval flange 1-5 1-7 145 (10)
FGJ, GJ, PJE 1-7 1-10 232 (16)
FGJ, GJ, PJE 8-10 12-17 362 (25)
CRN 20
All 1-10 1-17 362 (25)
CR, CRN 32
1-1 - 5 1-1 - 7 232 (16)
6-2 - 11-2 8-2 - 14 435 (30)
CR, CRN 45
1-1 - 4-2 1-1 - 5 232 (16)
4-2 - 8-1 6-2 - 13-2 435 (30)
CR, CRN 64
1-1 - 3 1-1 - 5 232 (16)
4-2 - 5-2 6-2 - 8-1 435 (30)
CRT 2 2-18 2-26 305 (21)
CRT 4 1-16 1-22 305 (21)
CRT 8
1-8 1-12 232 (16)
10-16 14-20 362 (25)
CRT 16
1-8 1-8 232 (16)
10-12 10-16 362 (25)
Pump type/
connection
Stages
Max.
[psi (bar)]
60 Hz 50 Hz

Grundfos CR Specifications

General

Impeller Material	Stainless steel
Type	Centrifugal Pump
Temperature Range	+120 °C
Material	Stainless Steel
Applications	Water supply, pressure boosting, cooling systems
Connections	Flanged