Concentric Butterfly Valves

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...

Product Details

Size: DN50 (2") ~ DN1200 (48")

Rating: JIS 10K / ANSI 150# / PN 10 / AWWA C 207

Temp. Range: -20 degC ~ 165 degC ( EPDM: 120 degC / Viton: 165 degC )

Body: Cast Iron, Ductile Iron, Cast Steel, Stainless Steel, (Ni) Al Bronze, Duplex S. S, etc

Disc: Stainless Steel, (Ni) Al Bronze, Duplex S. S, etc

Seat: Rubber (EPDM, NBR, SILICON, VITON, etc )

Standard compliance

Inspection & Testing: API 598

Basic Design: ANSI/AWWA C504

Materials Standard: Others on request
Face to Face Dimension: BS5155 Short, ISO5752 (Series 13), DIN 3202F16

Flanged End Dimension: DIN PN10/16/25, ANSI B16.1, JIS B2212/2213, BS 10 Table D, BS 10 Table E

1. Through-out bolt or one-side bolt used. Easy replacing and maintenance.

2. Correcting holes are made on flange according to standard, easy correcting during the installation.

3. Shaft and disc connected by pin, torque screwor non pin, to achieve the opening and closing.

Equipped with a professional factory, Naibang Valve is a professional manufacturer and supplier of Concentric Butterfly Valves in China. If you want to buy quality product of various beautiful bags, you can get it at a cheap price from us.