Minimum Continuous Duty Flow Rates [Gpm] - Grundfos CR Notice D'installation

8.8 Minimum continuous duty flow rates [gpm]

Pump type
CR, CRI, CRN 1s
CR, CRI, CRN 1
CR, CRI, CRN 3
CR, CRI, CRN 5
CR, CRI, CRN 10
CR, CRI, CRN 15
CR, CRI, CRN 20
CR, CRN 32
CR, CRN 45
CR, CRN 64
CR, CRN 90
CR, CRN 120
CR, CRN 150
CRT 2
CRT 4
CRT 8
CRT 16
®
* Grundfos Cool-Top is only available in the following pump types:
Pump type
Standard (CR)
I version (CRI)
N version (CRN)
min. °F to 176 °F
(min. °C to 80 °C)
0.5
0.9
1.6
3.0
5.5
9.5
11
14
22
34
44
60
75
1.3
3.0
4.0
8.0
CR 1s CR 1 CR 3
● ● ●
● ● ●
at 210 °F at 248 °F
(at 99 °C) (at 120 °C)
0.7 1.2
1.3 2.3
2.4 4.0
4.5 7.5
8.3 14
14 24
17 28
21 35
33 55
51 85
66 110
90 N/A
115 N/A
2.0 3.3
4.5 7.5
6.0 10
12 20
CR 5 CR 10 CR 15 CR 20
● ● ● ●
● ● ● ●
at 356 °F
(at 180 °C)
1.2*
2.3*
4.0*
7.5*
14*
24*
28*
35*
55*
85*
110*
N/A
N/A
N/A
N/A
N/A
N/A
CR 32 CR 45 CR 64 CR 90
● ● ● ●
● ● ● ●
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