Recommended Spare Parts - GE Baker Hughes 2900-40 Series Maintenance Manual

XXVI. Recommended Spare Parts
Table 20: Pilot Operated Safety Relief Valves (POSRV) For 2900-40 Main Valve
Class I parts should be stocked at the rate of one Disc (1)
per valve. Maintaining this level of spare parts will provide
replacement parts for 70% of possible maintenance
requirements.
Class II parts should be stocked at the rate of one (1) part
per each five (5) valves in the population. Class II parts will
provide replacement parts of an additional 15% of possible
maintenance requirements.
Class III
Notes 1: A combination of Class I and II parts will satisfy maintenance requirements 85% of the time.
2: Depending on service, either an O-Ring or Spring Energized Teflon
© 2019 Baker Hughes, a GE company. All Rights Reserved.
Class Part Name
Coverplate Gasket
Guide Gasket
Plug/Adaptor Gasket
Disc
Guide Ring on Piston
I
Piston O-Ring 2
Disc Retainer Ring
O-Ring Retainer
O-Ring Retainer Lock Screw
O-Ring Seat Seal
Piston
Disc Holder
II
Guide
Sensing Tube (If Equipped)
Nozzle
III
Spring
® Seal is required.
Consolidated 2900-40 Series POSRV Maintenance Manual | 69
1