Main Features: The turning center of the butterfly plate is on the center line of the valve body and the sealing face section of the butterfly plate. In closing, the ex-circle sealing face of the butterfly plate will extrude the valve seat made of synthetic rubber, generating elastic deformation...
Type Available: Wafer type
Sizes Available: DN25mm to DN1200mm (1" to 48")
Pressure Range: From PN1.0 to 1.6 (150LB)
Suitable Temperature: -15℃ to 150℃
Suitable Mediums: Fresh or waste water, sea water, sewage, vapor, air, oil, etc.
Body: Cast iron, ductile iron（GGG25/GGG20/GGG50）
Disc: Ductile iron (nickel coated), GGG25/GGG20/GGG50/aluminum bronze, stainless steel.
Shaft: 416, 410,stainless steel.
Sealing: NBR, EPDM or customized.
Top Flange: ISO5211 or customized.
Materials Standard:API DIN and etc.
Basic Design: BS5155
Face to Face Dimension: BS5155
Inspection & Testing: API 598
Flanged End Dimension:BS4504 PN6/PN10/PN16,DIN2501 PN6/PN10/PN16,ISO 7005 PN6/PN10/PN16.
Equipped with a professional factory, Naibang Valve is a professional manufacturer and supplier of DIN Design Butterfly Valve in China. If you want to buy quality product of various beautiful bags, you can get it at a cheap price from us.