GRUNDFOS CONVERSION GUIDE
CH Î CM-A
CHN Î CM-I
CHI Î CM-G
Conversion of CH-pump types to CM-pump types
60 Hz
Contents
Mission
Introduction
Recommended selection of pump material version
Selection of shaft seal
Technical data
4
4
4
Performance curves
2
CH 2, CHN 2 to CM 1
CHI 2 to CM 1
5
6
CH 2, CHN 2 to CM 3
CHI 2 to CM 3
CH 4, CHN 4 to CM 3
CHI 4 to CM 3
7
8
9
10
CH 4, CHN 4 to CM 5
CHI 4 to CM 5
11
12
CH 8 to CM 10
CHI 8 to CM 10
CH 12 to CM 10
13
14
15
CH 12 to CM 15
16
Mission
- to successfully develop, produce, and sell high quality
pumps and pumping systems worldwide, contributing to a
better quality of life and healthier environment.
GBJ - Bjerringbro, Denmark
GMU - Fresno, California
GMX - Monterrey, Mexico
GPU - Olathe, Kansas
GPA - Allentown, Pennsylvania
GCA - Oakville, Ontario
• One of the 3 largest pump companies in the world
• The second largest manufacturer of submersible motors in the world
• World’s largest manufacturer of circulator pumps
• World headquarters in Denmark
• North American headquarters in Kansas City - Manufacturing in Fresno, California
• 80 companies in 45 countries
• More than 16 million motors and pumps produced annually worldwide
• North American companies operating in USA, Canada and Mexico
• Continuous reinvestment in growth and development enables the company to
• BE responsible, THINK ahead, and INNOVATE
3
Introduction
Use this conversion guide to find the right CM pump
type when a CH, CHN or CHI pump is to be replaced.
Recommended selection of pump
material version
Three material versions of the CM pump are available,
see the table below:
Pump designation
Material
DIN W.-Nr.
CM-A
Cast iron
-
AISI
-
CM-I
Stainless steel
EN 1.4301
AISI 304
CM-G
Stainless steel
EN 1.4401
AISI 316
The table below contains a recommendation of which
CM pump type that can replace an exisiting CH, CHN
or CHI pump.
CH-pump type
CM-pump type
CH
CM-A
CHN
CM-I
CHI
CM-G
Selection of shaft seal
The table below contains the available shaft seal types
for CH- and CM-pump types. In the table it is possible
to see a recommended selection of shaft seal when
replacing an existing CH, CHN or CHI pump with a
CM-A, CM-I or CM-G pump.
Shaft seal for CH, CHN, CHI
Shaft seal for CM-A, CM-I, CM-G
AQQE
AQQE
AQQV
AQQV
BQQE
AQQE
BQQV
AQQV
CVBE
AVBE
CVBV
AVBV
BUBE
AVBE
BUBV
AVBV
AUUE
AQQE
AUUV
AQQV
BUUE
AQQE
BUUV
AQQV
RUUE
AQQE
RUUV
AQQV
Technical data
Please refer to WebCAPS or the CM, CME product
guide for motor data, dimensions etc. of CM and CME
pumps.
4
Performance curves
CH 2, CHN 2 to CM 1
60 Hz
CH 2, CHN 2 to CM 1
H
[m]
H
[ft]
CM 1 / CH 2 / CHN 2
400
-9
120
60 Hz
380
CM 1
110
360
CH 2 / CHN 2
-8
340
100
320
90
-7
300
280
80
-6
260
240
70
-5
220
60
200
180
50
-4
160
140
-3
40
-60
120
-50
30
100
-2
-40
80
-30
20
60
-20
40
10
20
0
0
0.0
2
0.5
4
6
1.0
8
1.5
10
2.0
12
2.5
14
3.0
16
3.5
Q [US GPM]
4.0
Q [m³/h]
TM04 2426
0
5
Performance curves
CHI 2 to CM 1
60 Hz
CHI 2 to CM 1
H
[m]
H
[ft]
CM 1 / CHI 2
60 Hz
400
120
-9
380
CM 1
110
360
CHI 2
-8
340
100
320
-7
300
90
280
80
260
-6
240
70
220
60
-5
200
180
50
-4
160
140
40
-3
120
30
100
-60
-2
-50
80
-40
20
60
-30
40
10
-20
20
0
0
0
0.0
6
2
0.5
4
1.0
6
8
1.5
10
2.0
12
2.5
14
3.0
16
3.5
18
4.0
Q [US GPM]
Q [m³/h]
TM04 2427
-10
Performance curves
CH 2, CHN 2 to CM 3
60 Hz
CH 2, CHN 2 to CM 3
H
[m]
H
[ft]
CM 3 / CH 2 / CHN 2
440
60 Hz
130
-9
420
400
120
CM 3
380
-8
CH 2 / CHN 2
110
360
340
-7
100
320
90
300
280
80
-6
260
240
70
-5
220
60
200
-4
180
50
160
140
-3
-60
40
120
-50
30
100
-2
-40
80
20
-30
60
-20
40
10
20
0
0
0.0
2
0.5
4
1.0
6
8
1.5
10
2.0
12
2.5
14
3.0
16
3.5
18
4.0
20
Q [US GPM]
4.5
Q [m³/h]
TM04 2440
0
7
Performance curves
CHI 2 to CM 3
60 Hz
CHI 2 to CM 3
H
[m]
H
[ft]
CM 3 / CHI 2
440
60 Hz
130
-9
420
400
120
CM 3
380
-8
CHI 2
110
360
340
-7
100
320
300
90
280
-6
80
260
240
70
-5
220
60
200
-4
180
50
160
140
-3
40
120
30
100
-60
-2
-50
80
-40
20
60
-30
40
10
-20
20
-10
0
0
0.0
8
2
0.5
4
1.0
6
8
1.5
10
2.0
12
2.5
14
3.0
16
3.5
18
4.0
20
4.5
Q [US GPM]
Q [m³/h]
TM04 2441
0
Performance curves
CH 4, CHN 4 to CM 3
60 Hz
CH 4, CHN 4 to CM 3
H
[m]
H
[ft]
CM 3 / CH 4 / CHN 4
440
60 Hz
130
-9
420
400
120
380
-8
CM 3
110
360
CH 4 / CHN 4
340
-7
100
320
300
90
280
-6
80
260
240
70
-5
220
60
200
-4
180
50
160
140
-3
40
120
30
100
-2
80
-50
20
60
-40
-30
40
10
-20
20
0
0
0
4
1
8
12
2
16
3
20
4
24
5
28
6
32
7
36
8
Q [US GPM]
Q [m³/h]
TM04 2428
0
9
Performance curves
CHI 4 to CM 3
60 Hz
CHI 4 to CM 3
H
[m]
H
[ft]
CM 3 / CHI 4
440
60 Hz
130
-9
420
400
120
380
-8
CM 3
110
360
CHI 4
340
-7
100
320
90
300
280
80
-6
260
240
70
-5
220
60
200
-4
180
50
160
140
-3
40
120
30
100
-2
80
20
-50
60
-40
40
-30
10
-20
20
-10
0
0
0
10
4
1
8
12
2
16
3
20
4
24
5
28
6
32
7
36
8
Q [US GPM]
9Q
[m³/h]
TM04 2429
0
Performance curves
CH 4, CHN 4 to CM 5
60 Hz
CH 4, CHN 4 to CM 5
H
[m]
H
[ft]
CM 5 / CH 4 / CHN 4
60 Hz
400
120
380
-8
110
360
CM 5
340
CH 4 / CHN 4
100
-7
320
300
90
280
80
-6
260
240
-5
70
220
60
200
-4
180
50
160
140
-3
40
120
30
100
-2
80
-50
20
60
-40
-30
40
10
-20
20
0
0
0
4
1
8
12
2
16
3
20
4
24
5
28
6
32
7
36
8
Q [US GPM]
9
Q [m³/h]
TM04 2430
0
11
Performance curves
CHI 4 to CM 5
60 Hz
CHI 4 to CM 5
H
[m]
H
[ft]
CM 5 / CHI 4
400
60 Hz
120
380
-8
110
360
CM 5
340
CHI 4
100
-7
320
90
300
280
80
-6
260
240
-5
70
220
60
200
-4
180
50
160
140
-3
40
120
30
100
-2
80
-50
20
60
-40
40
-30
10
-20
20
-10
0
0
0
12
4
1
8
12
2
16
3
20
4
24
5
28
6
32
7
36
8
Q [US GPM]
9Q
[m³/h]
TM04 2431
0
Performance curves
CH 8 to CM 10
60 Hz
CH 8 to CM 10
H
[m]
H
[ft]
CM 10 / CH 8
400
60 Hz
120
-5
380
110
360
CM 10
340
CH 8
100
320
90
-4
300
280
80
260
240
-3
70
220
60
200
180
50
160
-2
140
40
120
30
100
80
-40
-30
-1
20
-25
60
40
-20
10
20
0
0
0
5
10
2
15
20
4
25
6
30
35
8
40
45
10
50
55
12
60
14
65
70
Q [US GPM]
16
Q [m³/h]
TM04 2432
0
13
Performance curves
CHI 8 to CM 10
60 Hz
CHI 8 to CM 10
H
[m]
H
[ft]
CM 10 / CHI 8
400
60 Hz
120
-5
380
110
360
CM 10
340
CHI 8
100
320
90
-4
300
280
80
260
240
-3
70
220
60
200
180
-20
50
160
-2
-15
140
40
120
30
100
-20S
-10
80
-1
20
60
40
10
20
0
0
14
5
10
2
15
20
4
25
6
30
35
8
40
45
10
50
55
12
60
14
65
70
Q [US GPM]
16
Q [m³/h]
TM04 2433
0
TM04 2433 2508
0
Performance curves
CH 12 to CM 10
60 Hz
CH 12 to CM 10
H
[m]
H
[ft]
CM 10 / CH 12
60 Hz
400
120
-5
380
110
360
CM 10
340
CH 12
100
320
-4
300
90
280
80
260
240
-3
70
220
60
200
180
50
160
-2
140
40
120
30
100
-30
80
-1
20
60
-20
40
10
20
0
0
0
5
10
2
15
20
4
25
6
30
35
8
40
45
10
50
55
12
60
14
65
70
16
Q [US GPM]
Q [m³/h]
TM04 2434
-10
0
15
Performance curves
CHI 12 to CM 10
60 Hz
CHI 12 to CM 10
H
[m]
H
[ft]
CM 10 / CHI 12
400
60 Hz
120
-5
380
110
360
CM 10
340
CHI 12
100
320
90
-4
300
280
80
260
240
-3
70
220
60
200
180
50
160
-2
140
40
-20
120
30
100
-15
80
-1
20
60
-10
40
10
20
-5
0
0
0
16
5
10
2
15
20
4
25
6
30
35
8
40
45
10
50
55
12
60
14
65
70
Q [US GPM]
16
Q [m³/h]
TM04 24 35
0
Performance curves
CH 12 to CM 15
60 Hz
CH 12 to CM 15
H
[m]
H
[ft]
CM 15 / CH 12
260
60 Hz
250
-3
75
240
CM 15
70
230
CH 12
220
65
210
200
60
190
55
180
170
50
-2
160
45
150
140
40
130
120
35
110
30
100
90
25
-30
-1
80
70
20
60
15
-20
50
40
10
30
20
5
10
-10
0
0
0
10
20
5
30
40
50
10
60
70
15
80
90
20
Q [US GPM]
100
25
Q [m³/h]
TM04 2438
0
17
Performance curves
CHI 12 to CM 15
60 Hz
CHI 12 to CM 15
H
[m]
H
[ft]
CM 15 / CHI 12
260
60 Hz
250
-3
75
240
CM 15
70
230
CHI 12
220
65
60
210
200
190
55
180
170
50
-2
160
45
150
140
40
130
-20
120
35
110
30
100
90
25
-15
-1
80
70
20
60
-10
15
50
40
10
30
20
5
10
0
0
0
18
10
20
5
30
40
50
10
60
70
15
80
90
20
100
Q [US GPM]
25
Q [m³/h]
TM04 2439
0
-5
Being responsible is our foundation
Thinking ahead makes it possible
Innovation is the essence
L-CM-TL-002 0809
© 2009 Grundfos Pumps Corp.
GRUNDFOS Pumps Corporation
17100 West 118th Terrace
Olathe, Kansas 66061
Phone: +1-913-227-3400
Telefax: +1-913-227-3500
www.grundfos.com
US
GRUNDFOS Canada Inc.
2941 Brighton Road
Oakville, Ontario L6H 6C9 Canada
Phone: +1-905 829 9533
Telefax: +1-905 829 9512
Subject to alterations.
Bombas GRUNDFOS de Mexico S.A. de C.V.
Boulevard TLC No. 15
Parque Industrial Stiva Aeropuerto
Apodaca, N.L. Mexico 66600
Phone: +52-81-8144 4000
Telefax: +52-81-8144 4010