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Installation, Operating & Maintenance Instructions
Series 612 DN 63-250 (I.D. 2.5“ - 10”), RS485
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com
289857EA
2011-07-13
12/76
2.4 Admissible
forces
2.4.1 Admissible forces for valve body
Forces from the weight of other components can lead to deformation of the valve body and to malfunction of the valve.
The stress has to be relieved by suitable means. The following forces are admissible:
Valve
size
Axial tensile or
compressive force «F
A
»
Bending moment «M»
mm inch
N lb. Nm lbf.
63 2½
800
176
32
24
80 3
850
187
35
26.5
100
4 1000
220
40
30
160
6 1200
264
60
45
200
8 1200
264
60
45
250
10 1200
264
60
45
F
A
M