Pneumatic diaphragm bellows regulating valve is characterized by the spool made of bellows material manufacturing, has excellent corrosion resistance and good sealing performance, can be in strong acid, alkali and other corrosive media for a long time stable work, avoid the traditional control valve wearing parts of short life and high maintenance costs.

Valve Material

• Body Material WCB, CF8, CF8M, CF3M, etc
• Gasket Material metal graphite gasket/PTFE
• Trim Material 304, 316, 316L, etc
• Spool And Seat Material 304, 316, 316L, etc
• Bonnet Material WCB, CF8, CF8M, CF3M, etc
• Stem Material 304, 316, 316L, etc

Design Feature

• Trim Features top guided unbalanced Internals, quick release cage structure
• Body Type straight-through, angled
• Spool Form single seat type, sleeve type, cage type
• Bonnet Form standard, heat sink, low temperature, bellows
• Gland Type bolt pressing type
• Flow Characteristics equal percentage, linear, quick opening