Centric Wafer Butterfly Valve

Product details

A Centric Wafer Butterfly Valve is a lightweight, cost-effective industrial valve used to isolate or regulate the flow of liquids and gases. It is one of the most common valve designs due to its simplicity and compact "wafer" style. Technical Attributes 1,Design Standard,API 609 / EN 593 / BS 5155 2,Body Type,"Wafer Style (Compact, lightweight design)" 3,Disc Design,Centric (Concentric) / Symmetrical Disc 4,Pressure Rating,PN10 / PN16 / Class 150 5,Size Range,DN40 to DN1200 (Standard industrial sizes) 6,Face-to-Face,API 609 Table 1 / EN 558 Series 20 / ISO 5752 7,Body Material,Ductile Iron (GGG40/50) or Cast Iron (GG25) 8,Disc Material,SS304 / SS316 / Al-Bronze / Ductile Iron (Nylon coated) 9,Seat (Liner),Replaceable or Vulcanized Resilient Seat 10,Seat Material,EPDM (Water) / NBR (Oil) / Viton (Chemicals) 11,Stem Material,Stainless Steel (SS410 / SS416 / SS420) 12,Stem Design,One-piece or Two-piece (Stub shaft) design 13,Shaft Sealing,O-ring sealing to prevent leakage to atmosphere 14,Testing Standard,API 598 / EN 12266-1 15,Flange Mounting,Universal drilling (Multi-standard for PN10/16/CL150) 16,Top Flange,ISO 5211 (Direct mount for actuators) 17,Operation,Lever (Handle) / Worm Gear / Pneumatic / Electric 18,Tightness Class,Class VI (Bubble-tight shut-off) 19,Temperature,−15°C to +120°C (Varies by seat material) 20,Coating,"Epoxy Powder Coating (RAL 5000 series), Min. 200 microns" 21,Flow Direction,Bi-directional sealing capability

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