Grundfos CR 95 Installation And Operating Instructions Manual page 11

3.1.7 Flange forces and torques
If not all loads reach the maximum permissible value
stated in the tables below, one of these values may
exceed the normal limit. Contact Grundfos for further
information.
Fig. 23 Flange forces and torques
Y-direction: Inlet or outlet
Z-direction: Direction of chamber stack
X-direction: 90 ° from inlet or outlet
The following tables represent the values that apply
according to the material quality.
Force limits for CR pumps
Flange, DN
CR
[mm]
100 95
150 125 and 155
200 185, 215 and 255
Force limits for CRN pumps
Flange, DN
CRN
[mm]
100 95
150 125 and 155
200 185, 215 and 255
Torque limits for CR pumps
Flange, DN
CR
[mm]
100 95
150 125 and 155
200 185, 215 and 255
Torque limits for CRN pumps
Flange, DN
CRN
[mm]
100 95
150 125 and 155
200 185, 215 and 255
Force, Y-direction
[N]
1256
1875
2513
Force, Y-direction
[N]
2513
3750
5025
Torque, Y-direction Torque, Z-direction
[Nm]
375
625
900
Torque, Y-direction Torque, Z-direction
[Nm]
750
1250
1800
Force, Z-direction Force, X-direction
[N]
1013
1519
2025
Force, Z-direction Force, X-direction
[N]
2025
3038
4050
Torque, X-direction
[Nm]
475
775
1075
Torque, X-direction
[Nm]
950
1550
2150
[N]
1125
1688
2250
[N]
2250
3375
4500
[Nm]
625
1000
1375
[Nm]
1250
2000
2750
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