Grundfos CRN Series Product Guide

Technical data
27
All dimensions in inches unless otherwise noted.
*Oval flanged pump B1 and B1+B2 dimension is one inch less than ANSI flanged pump and weight is approximately 9 lbs. less.
• Available
TM03 1450 2205
7/8"
M10 x 40
B2
G 1/2 PLUG
3"
2"
13/16"
B1
5 11/16"
3 15/16"
6 5/16"
7 1/16"
8 11/16"
4 x ø1/2"
WITH 1/4"TAP
FOR GAUGE/
SENSOR
PRIMING
PORT (G 1/2)
DISCHARGE
SUCTION AND
1"NPT (F)
PLUG (G 1/2)
DRAIN
D2
D1
TM03 1451 2205
G 1/2 PLUG
B1
WITH 1/4"TAP
FOR GAUGE/
SENSOR
PRIMING
PORT (G 1/2)
DISCHARGE
SUCTION AND
1 1/4"250 lb.R.F.
PLUG (G 1/2)
DRAIN
ø1 3/8"
ø5 1/2"
3"
13/16"
5 9/16"
3 15/16"
9 7/8"
ø3 15/16"
ø3 1/2"
7 1/16"
8 11/16"
4 x ø1/2"
3/4"x1"
B2
D2
D1
Pump type
P2
[hp]
Ph. Oval*
ANSI dimensions [inch]
Ship Wt.
[lbs.]
B1
TEFC
D1 D2 B1+B2
CR 1s-2
1/3
1• 11.97
6.19 5.18 21.26 69
3• 11.97
5.55 4.57 19.41 67
CR 1s-3
1/3
1• 11.97
6.19 5.18 21.26 69
3• 11.97
5.55 4.57 19.41 67
CR 1s-4
1/3
1• 12.68
6.19 5.18 21.97 70
3• 12.68
5.55 4.57 20.12 68
CR 1s-5
1/3
1• 13.39
6.19 5.18 22.68 71
3• 13.39
5.55 4.57 20.83 69
CR 1s-6
1/2
1• 14.09
6.19 5.18 23.38 75
3• 14.09
5.55 4.57 21.53 70
CR 1s-7
1/2
1• 14.80
6.19 5.18 24.09 76
3• 14.80
5.55 4.57 22.24 71
CR 1s-8
1/2
1• 15.51
6.19 5.18 24.80 77
3• 15.51
5.55 4.57 22.95 72
CR 1s-9
3/4
1• 16.22
6.19 5.18 26.13 82
3• 16.22
5.55 4.57 23.66 73
CR 1s-10
3/4
1• 16.93
6.19 5.18 26.84 83
3• 16.93
5.55 4.57 24.37 74
CR 1s-11
3/4
1• 17.64
6.19 5.18 27.55 84
3• 17.64
5.55 4.57 25.08 75
CR 1s-12
3/4
1• 18.35
6.19 5.18 28.26 85
3• 18.35
5.55 4.57 25.79 76
CR 1s-13
1
1• 19.06
7.19 5.73 30.25 101
3• 19.06
5.55 4.57 26.50 77
CR 1s-15
1
1• 20.47
7.19 5.73 31.66 103
3• 20.47
5.55 4.57 27.91 78
CR 1s-17
1 1/2
1• 21.89
7.19 5.73 33.57 107
3• 21.89
5.55 4.57 30.51 84
CR 1s-19
1 1/2
1- 23.31
7.19 5.73 34.99 109
3- 23.31
5.55 4.57 31.93 86
CR 1s-21
1 1/2
1-
24.72
7.19 5.73 36.40 111
3- 24.72
5.55 4.57 33.34 88
CR 1s-23
1 1/2
1- 26.14
7.19 5.73 37.82 113
3- 26.14
5.55 4.57 34.76 90
CR 1s-25
2
1- 27.56
7.19 5.73 40.12 126
3- 27.56
7.01 4.33 38.78 116
CR 1s-27
2
1- 28.98
7.19 5.73 41.54 127
3- 28.98
7.01 4.33 40.20 118
CR 1s

Grundfos CRN Series Specifications

General

Pump Type	Centrifugal, multistage
Material	Stainless steel (AISI 304 or 316)
Applications	Water supply, pressure boosting, industrial processes
Impeller Material	Stainless steel (AISI 304 or 316)
Connections	Flanged or threaded
Speed	2900 rpm
Temperature Range	-10°C to +120°C
Inlet/Outlet Size	DN 25 to DN 100