40
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SPRING LOADED BACK PRESSURE VALVE
Figure 8-1: Using the piston to remove the seat ring from the 150/300 lb
cylinder
8. Turn the cylinder over with the ports on top when removing the high pressure seat
ring. Remove the set screw from the seat ring. Turn the seat ring counterclockwise
to remove the seat ring and then remove the O-ring from the cylinder.
8.4
Mechanical assembly
8.4.1
Valve torque specifications
Table 8-1: Valve cylinder head to body (stud-nut) torque specifications
Valve size (in)
Flange rating (lbs)
Num. bolts
Min. torque (lbs/ft)
2
150
6
6
300
6
15
600
6
67
3
150
6
15
300
6
40
600
8
49
4
150
8
13
300
8
35
600
8
100
User manual
Planned maintenance
DAN-20064957
August 2019
User manual
51
Содержание V707
Страница 9: ...9 www Daniel com USER MANUAL Part I Plan User manual Plan DAN 20064957 August 2019 User manual 11...
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