Wafer Butterfly Valve
Size
DN25-DN1200
Material
Body:Cast Iron/Ductile Iron/Cast Steel
Disc:DI+Ni/SS304/SS316/AL-BZ/CF3M/SS2205/SS2507
Stem:SS416/SS304/SS316/17-PH/Monel K500
Seat:EPDM/NBR/VITON/PTFE/HYPALON
Operation:Handlever /Gearbox/Electric / Pneumatic
Standard
Design Standard:EN 593 , MSS SP67 API 609 BS5155
Inspection & Test:API 598 ISO 5208 EN 12266
End Standard:ANSI B16.1 CL. 125LB /B16.5 CL. 150LB /AS 2129 Table D & E / DIN 2501 PN6, PN10 & PN16
/EN 1092 PN6, PN10 & PN16/ISO 2531 PN6, PN10 & PN16/ISO 7005 PN6, PN10 & PN16 / JIS B 2210 5K & 10K
Face to Face
ISO 5752 , EN 558 , MSS SP67 and API 609 DIN3202
Top Flange
ISO 5211
Application
Commonly used in HVAC, water treatment, and industrial piping systems.
Advantages of Wafer-Type Butterfly Valves
Compact Design: Space-saving, lightweight construction ideal for tight installations.
Cost-Effective: Lower material and installation costs compared to flanged valves.
Quick Operation: 90-degree rotation enables fast open/close cycles.
Low Pressure Drop: Unobstructed flow path minimizes turbulence and energy loss.
Versatility: Suitable for liquids, gases, and slurries across moderate temperature/pressure ranges.
Bidirectional Sealing: Effective sealing in both flow directions (depending on seat material).
Easy Maintenance:Simple structure with minimal components for reduced downtime.
Durability: Resilient sealing materials (e.g., EPDM, PTFE) ensure reliable performance.
As a butterfly valve supplier, Hebei Diefei Valve focuses on practical valve solutions for project pipelines and repeat purchasing needs. Buyers can choose different structures, materials, seat options and operation methods according to pressure, medium, flange standard and installation conditions.






