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Wafer Butterfly Valve 

Function & Working
Wafer butterfly valves regulate flow using a quarter-turn disc mounted on a central shaft. The wafer-style body fits between flanges, providing a lightweight and compact solution. 

Advantages 

• Compact design with minimal space requirement 

• Cost-effective for large diameter pipelines 

• Low pressure drop and quick operation 

Types Offered 

• Concentric rubber-lined wafer butterfly valve 

• Double-offset wafer butterfly valve 

Industries Served
HVAC, Water Treatment, Fire Protection, Marine, Power Plants 

Technical Specifications 

• Design Standards: EN 593, API 609 

• Body Materials: Ductile Iron, WCB, CF8, CF8M 

• Pressure Ratings: PN10–PN40 / Class 150–300 

• Size Range: DN50–DN2000 

• End Connections: Wafer, Lug 

• Actuation Options: Manual lever, Gearbox, Pneumatic, Electric 

• Special Features: Replaceable seat, epoxy-coated body for corrosion resistance