19
7. Flange forces and moments
Fig. 15
Flange forces and moments
*
Σ
F and
Σ
M 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.
T
M
03
38
1
1
1
1
0
6
Grey cast iron
Diameter
DN
Force [N]
Moment [Nm]
Fy
Fz
Fx
Σ
F*
My
Mz
Mx
Σ
M*
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
Σ
F*
My
Mz
Mx
Σ
M*
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
Summary of Contents for NB Series
Page 1: ...NB NBG GRUNDFOS INSTRUCTIONS Installation and operating instructions ...
Page 6: ...6 ...
Page 48: ...484 ...
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