Grundfos CR Series - Maximum inlet pressures

English (US)
10
7.4 Maximum inlet pressures
* While pump is off or during start-up.
** During operation.
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)
CR, CRN 90 1-1 - 1 58 (4)
1-1 - 1 2-2 - 3-2 145 (10)
2-2 - 4-1 3-6 217 (15)
CR, CRN 120 1-1 - 1 1 - 2-1 145 (10)
2-2 - 3 2 - 5-1 217 (15)
4-1 - 5-1 6-1 - 7 290 (20)
CR, CRN 150 1-1 1-1 - 1 145 (10)
1-2 2-1 - 4-1 217 (15)
3-2 - 4-2 5-2 - 6 290 (20)
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)**