19
7. Flange forces and moments
Fig. 15 Flange forces and moments
* ΣF and ΣM are the vector sums of the forces and moments.
If not all loads reach the maximum permissible value, one of
these value may exceed the normal limit. Contact Grundfos for
further information.
TM03 3811 1106
Grey cast iron
Diameter
DN
Force [N] Moment [Nm]
Fy Fz Fx ΣF* My Mz Mx ΣM*
Horizontal pump, z-
axis, discharge port
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 2748 613 718 875 1278
Horizontal pump, x-
axis, suction port
50 525 473 578 910 350 403 490 718
65 648 595 735 1155 385 420 525 770
80 788 718 875 1383 403 455 560 823
100 1050 945 1173 1838 438 508 613 910
125 1243 1120 1383 2170 525 665 735 1068
150 1575 1418 1750 2748 613 718 875 1278
200 2100 1890 2345 3658 805 928 1138 1680
Stainless steel
Diameter
DN
Force [N] Moment [Nm]
Fy Fz Fx ΣF* My Mz Mx ΣM*
Horizontal pump, z-
axis, discharge port
32 595 735 630 1155 525 595 770 1120
40 700 875 770 1365 630 735 910 1330
50 945 1155 1050 1820 700 805 980 1435
65 1190 1470 1295 2310 770 840 1050 1540
80 1435 1750 1575 2765 805 910 1120 1645
100 1890 2345 2100 3675 875 1015 1225 1820
125 2240 2765 2485 4340 1050 1330 1470 2135
150 2835 3500 3150 5495 1225 1435 1750 2555
Horizontal pump, x-
axis, suction port
50 1050 945 1155 1820 700 805 980 1435
65 1295 1190 1470 2310 770 840 1050 1540
80 1575 1435 1750 2765 805 910 1120 1645
100 2100 1890 2345 3675 875 1015 1225 1820
125 2485 2240 2765 4340 1050 1330 1470 2135
150 3150 2835 3500 5495 1225 1435 1750 2555
200 4200 3780 4690 7315 1610 1855 2275 3360