Maximum Inlet Pressures; Maximum Operating Pressures - Grundfos CR Installation And Operating Instructions Manual
Centrifugal pump
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Also See for CR:
- Installation and operating instructions manual (73 pages) ,
- Manual (48 pages) ,
- Instructions manual (44 pages)
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7.4 Maximum inlet pressures
Pump type
60 Hz
CR, CRI, CRN 1s
2-27
CR, CRI, CRN 1
2-25
27
CR, CRI, CRN 3
2-17
19-25
CR, CRI, CRN 5
2-9
10-24
CR, CRI, CRN 10
1-5
6-17
CR, CRI, CRN 15
1-2
3-12
CR, CRI, CRN 20
1
2-10
CR, CRN 32
1-1 - 2
3-2 - 6
7-2 - 11-2
CR, CRN 45
1-1 - 1
2-2 - 3
4-2 - 8-1
CR, CRN 64
1-1
1 - 2-1
2 - 5-2
CRT 2
2-6
7-18
CRT 4
1-7
8-16
CRT 8
1-16
CRT 16
2-10
CRN-SF
all
* While pump is off or during start-up.
** During operation.
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
Stages
Max.
[psi (bar)]
50 Hz
2-36
145 (10)
2-36
145 (10)
217 (15)
2-29
145 (10)
31-36
217 (15)
3-16
145 (10)
18-36
217 (15)
1-6
116 (8)
7-22
145 (10)
1-3
116 (8)
4-17
145 (10)
1-3
116 (8)
4-17
145 (10)
1-1 - 4
58 (4)
5-2 - 10
145 (10)
11-14
217 (15)
1-1 - 2
58 (4)
3-2 - 5
145 (10)
6-2 - 13-2
217 (15)
1-1 - 2-2
58 (4)
2-1 - 4-2
145 (10)
4-1 - 8-1
217 (15)
2-11
145 (10)
13-26
217 (15)
1-12
145 (10)
14-22
217 (15)
1-20
145 (10)
2-16
145 (10)
72 (5)*
all
362 (25)**
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)
Stages
Pump type/
connection
60 Hz
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
CRT 2
2-18
CRT 4
1-16
CRT 8
1-8
10-16
CRT 16
1-8
10-12
Consult Grundfos in case of other operating conditions.
Max.
[psi (bar)]
50 Hz
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)
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
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