Grundfos CVM User Manual

English (GB)
13
7.6 CHM pump with sleeve bearings
Fig. 9 CHM pump with sleeve bearings
1)
The stage is counted from the drive end.
Bolt torque standard in inch
Bolt torque standard in metric
TM07 3642 0119
Sleeve bearing Sleeve bearing
Pump type With sleeve bearing
Fourth stage
1)
Guide vane
Fifth stage
1)
Guide vane
Sixth stage
1)
Guide vane
Seventh stage
1)
Guide vane
CHM 5/8 Yes ●
CHM 5/9 Yes ●
CHM 5/10 Yes ●●
CHM 5/11 Yes ●●
CHM 5/12 Yes ●●
CHM 6/10 Yes ●●
CHM 6/11 Yes ●●
CHM 10/8 Yes ●
CHM 10/9 Yes ●
CHM 10/10 Yes ●●
Specification
(Grade 8)
Recommended
torque [Nm]
Tolerance
5/16" 18 ± 10 %
3/8" 33 ± 10 %
1/2" 81 ± 10 %
5/8" 153 ± 10 %
3/4" 285 ± 10 %
7/8" 461 ± 10 %
1" 685 ± 10 %
1.25" 1300 ± 10 %
Specification
(Grade 8.8)
Recommended
torque [Nm]
Tolerance
M8 20 ± 10 %
M10 38 ± 10 %
M12 85 ± 10 %
M16 170 ± 10 %
M20 330 ± 10 %
M24 548 ± 10 %
M27 810 ± 10 %
M30 1215 ± 10 %

Grundfos CVM Specifications

General

Brand	Grundfos
Model	CVM
Category	Water Pump
Language	English