18
13 Appendix
When the pump casing is made of grey cast iron, the allowed force and moment for suction/discharge flange of
GLC pipeline pump are as listed in Form 3; when the pump casing is made of cast steel, the values are twice those
listed Form 3.
Figure
Flange Size
Force（N）
Moment（N·m）
Fy
Fz
Fx
∑Fb
My
Mz
Mx
∑Mb
DN40
450
350
410
730
200
300
400
550
DN50
600
500
550
1000
250
350
450
600
DN65
800
650
700
1250
300
350
500
700
DN80
950
750
850
1500
350
400
550
750
DN100
1250
1000
1150
1950
400
500
650
850
DN125
1500
1200
1350
2350
500
700
800
1200
DN150
1900
1500
1700
2950
650
800
1000
1400
DN200
2500
2000
2250
3950
900
1100
1400
1950
DN250
3100
2500
2800
4900
1350
1600
2000
2850
DN300
3750
3000
3350
5850
1900
2250
2800
4050
DN350
4350
3500
3900
6850
2500
2950
3650
5300
Allowable force and torque (maximum)
