Dewrance Recommended Spare Parts Holding By Product
Guide to spares classes:
Class I – Start-up/Consumable
Class II – 1–5 Years
Operational Spares
Class III – 5–10 Years Major Overhaul
|
Parallel Slide Valves |
Check Valves |
Bled Steam Check Valves |
Feed Heater Isolation Device |
Reheater Isolation Devices |
||
|
Class I |
Bonnet Gasket |
o |
o |
o |
||
|
Closure Seal |
o |
|||||
|
Gasket |
o |
|||||
|
Gland Packing |
o |
o |
||||
|
Hinge Pin Gasket |
o |
o |
||||
|
‘O’ Rings |
o |
|||||
|
Pressure Seal |
o |
o |
o |
o |
o |
|
|
Class II |
Discs |
o |
||||
|
Disc Assembly |
o |
|||||
|
Disc Clips |
o |
|||||
|
Disc/Disc Assembly |
o |
|||||
|
Disc Springs |
o |
|||||
|
Gland |
o |
o |
o |
|||
|
Gland Ring |
o |
|||||
|
Hinge Pin |
o |
o |
||||
|
Hinge Pin Bush |
o |
o |
||||
|
Hinge Pin Housing |
o |
o |
||||
|
Neck Bush |
o |
o |
o |
|||
|
Stems |
o |
|||||
|
Stem/Belteye Assy. |
o |
|||||
|
Stem Stop |
o |
o |
||||
|
Valve Head |
o |
|||||
|
Valve Head Nut |
o |
|||||
|
Class III |
Bonnet |
o |
o |
o |
o |
|
|
Bonnet Collar |
o |
|||||
|
Collar |
o |
|||||
|
Cover |
o |
o |
o |
o |
o |
|
|
Distance Piece |
o |
o |
o |
o |
o |
|
|
Gland Flange |
o |
o |
o |
|||
|
Pillars |
o |
o |
o |
|||
|
Screwed Plug |
o |
|||||
|
Segment Ring |
o |
o |
o |
o |
||
|
Split Ring |
o |
o |
||||
|
Thrust Plate |
o |
|||||
|
Yoke Bush |
o |