Grundfos NB - Appendix B; Flange Forces and Torques

Appendix B
B.1. Flange forces and torques
TM045621
Flange forces and torques
Cast iron flanges Diameter DN
Force [N] Torque [N-m]
Fy Fz Fx
ΣF
1)
My Mz Mx
ΣM
1)
Horizontal
pump, x-axis, inlet
port
25 245 298 263 455 210 245 315 455
32 298 368 315 578 263 298 385 560
40 350 438 385 683 315 368 455 665
50 473 578 525 910 350 403 490 718
65 595 735 648 1155 385 420 525 770
80 718 875 788 1383 403 455 560 823
100 945 1173 1050 1838 438 508 613 910
125 1120 1383 1243 2170 525 665 735 1068
150 1418 1750 1575 2643 613 718 875 1278
200 1890 2345 2100 3658 805 928 1138 1680
250 2700 3460 2980 5220 1260 1460 1780 2620
300 3220 4000 3580 6260 1720 1980 2420 3560
350 3760 4660 4180 7300 2200 2540 3100 4560
400 4300 5320 4780 8340 2760 3180 3880 5720
450 4840 5980 5380 9380 3400 3920 4780 7040
500 5380 6640 5980 10420 4100 4720 5780 8520
46
Appendix B