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Bellows valve
 

FLOWSERVE's bellows valves are welded with bellows to the cover and stem, driving the bellows to expand and compress as the stem moves up and down, eliminating possible leakage from conventional sliding or rotating seals. Flowserve bellows valve can realize the true meaning of zero leakage. It is suitable for the condition with strict requirements on the leakage level and plays a protective role in the environmental system.


 

 

Design features   Product range
Formed bellows
10,000 trouble-free cycles
Double stem seal design with corrugated pipe and stuffing
Stem zero leakage guarantee

 
Type: gate valve, globe valve
Size: 1/2~24" (DN15~DN600)
Pressure level: 150-1500lb (PN16~PN250)
Main material: carbon steel, stainless steel, alloy steel, duplex steel
Corrugated pipe materials: stainless steel, nickel alloy steel, haag alloy steel

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