Grundfos UPS Series Installation And Operating Instructions Manual page 24

Flange forces and moments
For maximum permissible forces and moments from the pipe connections acting on the pump flanges or thread
connections, see fig. 10.
Fig. 10 Flange forces and moments
Diameter, DN Fy
32 425
40 500
50 675
65 850
80 1025
100 1350
Above values apply to cast iron and brass versions. See ISO 5199, tables B.2 (16A and 16B), B.3 and B.6.
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Force
[N]
ΣFb
Fz Fx
525 450 825
625 550 975
825 750 1300
1050 925 1650
1250 1125 1975
1675 1500 2625
Moment
[Nm]
My Mz Mx
375 425 550
450 525 650
500 575 700
550 600 750
575 650 800
625 725 875
ΣMb
800
950
1025
1100
1175
1300