Grundfos CR 10 User Manual

English (US)
16
8.9 Flange forces and torques
If not all loads reach the maximum permissible value stated in the
tables after fig. 10, one of these values may exceed the normal
limit. Contact Grundfos for further information.
Fig. 10 Flange forces [F] and torques [M]
Force limits
Torque limits
TM04 0346 2013
Y-direction: Inlet/outlet
Z-direction: Direction of chamber stack
X-direction: 90 ° from inlet/outlet
Flange Pump
CR -
Cast iron pump housing
CRI, CRN -
Stainless steel pump housing
ANSI
[in]
DN
[mm]
Type
Force,
Y-direction
[lb]
Force,
Z-direction
[lb]
Force,
X-direction
[lb]
Force,
Y-direction
[lb]
Force,
Z-direction
[lb]
Force,
X-direction
[lb]
1/
1 1/4
25/32 1s-5 76 89 72 152 177 143
1 1/2 40 10 93 105 84 185 211 169
2 50 15, 20 127 131 114 253 261 228
2 1/2 65 32 156 177 143 312 354 287
3 80 45 211 173 190 421 346 379
4 100 64 282 228 253 565 455 506
Flange Pump
CR -
Cast iron pump housing
CRI, CRN -
Stainless steel pump housing
ANSI
[in]
DN
[mm]
Type
Torque,
Y-direction
[ft-lb]
Torque,
Z-direction
[ft-lb]
Torque,
X-direction
[ft-lb]
Torque,
Y-direction
[ft-lb]
Torque,
Z-direction
[ft-lb]
Torque,
X-direction
[ft-lb]
1/
1 1/4
25/32 1s-5 221 129 92 443 258 184
1 1/2 40 10 295 203 148 590 406 295
2 50 15, 20 332 240 184 664 479 369
2 1/2 65 32 369 258 221 738 516 443
3 80 45 240 295 406 479 590 811
4 100 64 277 350 461 553 701 922

Grundfos CR 10 Specifications

General

Type	Centrifugal Pump
Liquid Temperature	-20°C to +120°C
System Pressure	Max 25 bar
Pump Housing	Stainless Steel
Impeller	Stainless Steel
Motor Type	Asynchronous motor
Frequency	50/60 Hz
Protection Class	IP55
Insulation Class	F
Max Head	Up to 160 m
Motor Power	0.37 kW
Approvals	CE, EAC