Flowserve LNN User Manual
Page 16
LNN, LNNV, LNNC USER INSTRUCTIONS ENGLISH 71569074 06-14
Page 16 of 56
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4.6.2
Maximum forces and moments allowed on pump flanges
4.6.2.1
LNN, LNNV maximum forces and moments allowed
Type and size
Maximum forces (F) in kN (lbf) and moments (M) in kNm (lbf
•ft)
Suction
Discharge
Fx
Fy
Fz
Mx
My
Mz
Fx
Fy
Fz
Mx
My
Mz
200-LNN-300 to
200-LNN-600
5.34
(1 200)
6.68
(1 500)
4.45
(1 000)
5.02
(3 700)
2.44
(1 800)
3.80
(2 800)
3.78
(850)
4.90
(1 100)
3.12
(700)
3.53
(2 600)
1.76
(1 300)
2.58
(1 900)
250-LNN-325 to
250-LNN-600
6.68
(1 500)
8.01
(1 800)
5.34
(1 200)
6.10
(4 500)
2.98
(2 200)
4.61
(3 400)
5.34
(1 200)
6.68
(1 500)
4.45
(1 000)
5.02
(3 700)
2.44
(1 800)
3.80
(2 800)
300-LNN-325 to
300-LNN-450,
300-LNN-575,
300-LNN-625 and
300-LNN-750
8.46
(1 900)
10.20
(2 290)
6.68
(1 500)
7.32
(5 400)
3.66
(2 700)
5.42
(4 000)
6.68
(1 500)
8.01
(1 800)
5.34
(1 200)
6.10
(4 500)
2.98
(2 200)
4.61
(3 400)
300-LNN-500 and
300-LNN-600
7.12
(1 600)
8.90
(2 000)
5.79
(1 300)
6.37
(4 700)
3.12
(2 300)
4.75
(3 500)
6.68
(1 500)
8.01
(1 800)
5.34
(1 200)
6.10
(4 500)
2.98
(2 200)
4.61
(3 400)
350-LNN-375 to
350-LNN-900
10.70
(2 410)
12.90
(2 900)
8.58
(1 930)
9.12
(6 725)
4.90
(3 615)
6.74
(4 970)
7.12
(1 600)
8.90
(2 000)
5.79
(1 300)
6.37
(4 700)
3.12
(2 300)
4.75
(3 500)
400-LNN-600,
400-LNN-725 and
400-LNN-900
10.32
(2 320)
12.50
(2 810)
8.05
(1 810)
8.71
(6 420)
4.38
(3 230)
6.40
(4 720)
8.45
(1 900)
10.20
(2 290)
6.67
(1 500)
7.32
(5 400)
3.66
(2 700)
5.42
(4 000)
400-LNN-800,
400-LNNA-875 and
400-LNN-925
12.27
(2 760)
14.82
(3 330)
9.47
(2 130)
10.15
(7 490)
5.14
(3 790)
7.40
(5 460)
8.45
(1 900)
10.20
(2 290)
6.67
(1 500)
7.32
(5 400)
3.66
(2 700)
5.42
(4 000)
500-LNN-600 to
500-LNN-1250
12.27
(2 760)
14.82
(3 330)
9.47
(2 130)
10.15
(7 490)
5.14
(3 790)
7.40
(5 460)
10.32
(2 320)
12.50
(2 810)
8.05
(1 810)
8.71
(6 420)
4.38
(3 230)
6.40
(4 720)
600-LNN-750
15.21
(3 420)
18.29
(4 110)
11.60
(2 610)
12.30
(9 070)
6.28
(4 630)
8.90
(6 560)
12.27
(2 760)
14.82
(3 330)
9.47
(2 130)
10.15
(7 490)
5.14
(3 790)
7.40
(5 460)
600-LNN-950
16.19
(3 640)
19.45
(4 370)
12.31
(2 770)
13.01
(9 600)
6.66
(4 910)
9.40
(6 930)
12.27
(2 760)
14.82
(3 330)
9.47
(2 130)
10.15
(7 490)
5.14
(3 790)
7.40
(5 460)
600-LNN-975 and
600-LNN-1200
14.23
(3 200)
17.14
(3 850)
10.89
(2 450)
11.58
(8 540)
5.90
(4 350)
8.40
(6 200)
12.27
(2 760)
14.82
(3 330)
9.47
(2 130)
10.15
(7 490)
5.14
(3 790)
7.40
(5 460)
700-LNN-1100
700-LNN-1300
20.10
(4 519)
24.08
(5 413)
15.15
(3 406)
15.88
(11 712)
8.18
(6 033)
11.40
(8 408)
14.23
(3 199)
17.14
(3 853)
10.89
(2 448)
11.58
(8 541)
5.90
(4 352)
8.40
(6 196)
700-LNN-1225
18.14
(4 080)
21.77
(4 890)
13.73
(3 090)
14.45
(10 660)
7.42
(5 470)
10.40
(7 670)
14.23
(3 200)
17.14
(3 850)
10.89
(2 450)
11.58
(8 540)
5.90
(4 350)
8.40
(6 200)
800-LNN-1125
24.04
(5400)
28.72
(6460)
17.99
(4040)
18.75
(13830)
9.7
(7150)
13.4
(9880)
16.19
(3640)
19.45
(4370)
12.31
(2770)
1301
(9600)
6.66
(4910)
9.4
(6930)
900-LNN-675
18.14
(4080)
21.77
(4890)
13.73
(3090)
14.45
(10660)
7.42
(5470)
10.4
(7670)
18.14
(4080)
21.77
(4890)
13.73
(3090)
14.45
(10660)
7.42
(5470)
10.4
(7670)
900-LNN-1200
24.01
(5 400)
28.72
(6 460)
17.99
(4 040)
18.75
(13 830)
9.70
(7 150)
13.40
(9 880)
18.14
(4 080)
21.77
(4 890)
13.73
(3 090)
14.45
(10 660)
7.42
(5.470)
10.40
(7 670)
1000-LNN-750 and
1000-LNN-800
20.10
(4 520)
24.08
(5 410)
15.15
(3 410)
15.88
(11 710)
8.18
(6 030)
11.40
(8 410)
20.10
(4 520)
24.08
(5 410)
15.15
(3 410)
15.88
(11 710)
8.18
(6 030)
11.40
(8 410)
1000-LNN-825
24.04
(5400)
28.72
(6460)
17.99
(4040)
18.75
(13830)
9.7
(7150)
13.4
(9880)
20.1
(4250)
24.08
(5410)
15.15
(3410)
15.88
(11710)
8.18
(6030)
11.4
(8410)
For load and momentum orientation, see following page.
Notes: see end of section 4.6.2.2.