Azbil Corporation
6
Table 3-3 Tightening torque of bolts and nuts that connect body with bonnet
Unit: N·m
Connection diameter
(inches)
Diaphragm material: PTFE
(body material: anything other
than hard natural rubber)
Diaphragm material: rubber
(natural rubber, chloroprene,
EPDM)
1/2
4.0
2.0
3/4
5.5
3.0
1
9.0
4.0
1-1/2
17.0
9.0
2
30.0
13.0
2-1/2
55.0
20.0
3
90.0
35.0
4
45.0
14.0
Summary of Contents for VDD Series
Page 1: ...OM2 8110 0530 Weir Diaphragm Control Valve Model VDD_ _ _ User s Manual...
Page 7: ...v Tighten evenly in a diagonal pattern Max weight...
Page 28: ...Azbil Corporation 14...
Page 30: ......
Page 31: ......
Page 34: ......
Page 36: ......
