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.