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Baker Hughes
© 2020 Baker Hughes Company. All rights reserved.
Table 9: Recommended Spare Parts
Class
Part name
Quantity, Parts/Size, Type &
Material Valves in Service
Need Coverage
Probability
I
Disc
Disc Holder
Disc Collar
Bonnet
Disc Retainer Ring
Adjusting Ring Pin
Gaskets
Cap
Adjusting Ring
Bonnet
O-Ring (Packed Cap)
1/1
1/1
1/1
1/1
1/1
1/1
1 Set /1
1/1
70%
II
Guide
Spindle
1/5
1/5
85%
III
Spring Assembly
Adjusting Screw
Adjusting Ring
1/5
(1)
1/5
95%
IV
Adjusting Screw Locknut
Cap (specify screwed, packed or plain)
Release Nut (used on packed or plain lever only)
Release Locknut (used on packed or plain lever
only)
1/5
1/5
1/5
1/5
99%
XVIII. Recommended Spare Parts
1. Consult Spring Selection Chart before ordering Springs to determine actual quantities required in view of pressure
setting potential in each spring range.