Maximum Operating Pressures - Grundfos CR Notice D'installation

7.5 Maximum operating pressures

250 °F (194 °F for CRN-SF)
Stages
Pump type/
connection
60 Hz
CR, CRI, CRN 1s
Oval flange 1-17
FGJ, PJE 1-27
CR, CRI, CRN 1
Oval flange 1-17
FGJ, PJE 1-27
CR, CRI, CRN 3
Oval flange 1-17
FGJ, PJE 1-27
CR, CRI, CRN 5
Oval flange 1-16
FGJ, PJE 1-24
CR, CRI 10
Oval flange CR 1-6
Oval flange, CRI 1-10
FGJ, GJ, PJE 1-10
FGJ, GJ, PJE 12-17
CRN 10
All 1-17
CR, CRI 15
Oval flange 1-5
FGJ, GJ, PJE 1-8
FGJ, GJ, PJE 9-12
CRN 15
All 1-12
CR, CRI 20
Oval flange 1-5
FGJ, GJ, PJE 1-7
FGJ, GJ, PJE 8-10
CRN 20
All 1-10
CR, CRN 32
1-1 - 5
6-2 - 11-2
CR, CRN 45
1-1 - 4-2
4-2 - 8-1
CR, CRN 64
1-1 - 3
4-2 - 5-2
CR, CRN 90
1-1 - 3
4-2 - 4-1
Max.
[psi (bar)]
50 Hz
1-23 232 (16)
1-36 362 (25)
1-23 232 (16)
1-36 362 (25)
1-23 232 (16)
1-36 362 (25)
1-22 232 (16)
1-36 362 (25)
145 (10)
1-16 232 (16)
1-16 232 (16)
17-22 362 (25)
1-22 362 (25)
1-7 145 (10)
1-10 232 (16)
12-17 362 (25)
1-17 362 (25)
1-7 145 (10)
1-10 232 (16)
12-17 362 (25)
1-17 362 (25)
1-1 - 7 232 (16)
8-2 - 14 435 (30)
1-1 - 5 232 (16)
6-2 - 13-2 435 (30)
1-1 - 5 232 (16)
6-2 - 8-1 435 (30)
1-1 - 4 232 (16)
5-2 - 6 435 (30)
Stages
Pump type/
connection
60 Hz
CR, CRN 120
1-1 - 3
4-2 - 5-2
CR, CRN 150
1-1 - 3
4-1 - 4-2
2-18
CRT 2
1-16
CRT 4
1-8
CRT 8
10-16
1-8
CRT 16
10-12
Consult Grundfos in case of other operating conditions.
Max.
[psi (bar)]
50 Hz
232 (16)
1-1 - 5-2 435 (30)
232 (16)
1-1 - 4-2 435 (30)
2-26 305 (21)
1-22 305 (21)
1-12 232 (16)
14-20 362 (25)
1-8 232 (16)
10-16 362 (25)
11