Below are typical arrangements of Bellows Sealed valve designs featuring a standard flanged joint arrangement for easy access for maintenance and component replacement and a fully welded bonnet assembly for those really difficult services or where customers want to use butt welded pipework and fitting.
Standard Construction
a) Top Guide Bush b) Secondary Stem Seal c) Test Point d) Gasket Joint
e) Valve Stem f) Primary Bellows Seal g) Extended Bonnet/Cooling Fin
h) Bottom Guide Bush i) Valve Body
Fully Welded Construction
a) Secondary Stem Seal b) Seal Welding c) Top Guide Bush
d) Long Thread Engagement for Strength e) Valve Stem f) Primary Bellows Seal
g) Extended Bonnet / Cooling Fin h) Bottom Guide Bush i) Valve Body PRODUCT RANGES
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