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- Product Detail - Bolted bonnet bellows seal flexible wedge gate valves
Product Detail
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Hydrofluoric acid (HF) valves
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Steam traps
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Bimetallic steam traps
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Bolted bonnet bellows seal flexible wedge gate valves
Description
Low torque due to: a) Non-rotating stem prevents torsion of bellows; b) Stem nut thrust bearings; c) Central lubrication. Seating faces hardfaced with CoCr alloy, ground and lapped.
Features and benefits
- Long cycle life bellows (2000 cycles) in Gr. 321 (stainless) or Inconel. Designed for, and successfully tested in high pressure/temperature conditions.
- Bellows monitoring port (optional): Connected to the space above the bellows to monitor performance.
- Non-rotating stem prevents torsion of bellows.