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...
Butterfly valve is used for isolating or regulating flow and its function allows for quick shut off. There are many different kinds of butterfly valves, each adapted for different pressures and different usage in the industry.
ANSI B 16.1,ASTM B 16.47,EN 1092, AS 2129, ISO PN10/16,JIS B2212/2213, BS 10 Table D
Face to face:
ANSI B 16.10,API 609
DN40-DN600(1.5”-24”) PN1.0/1.6MPa(150/200PSI) DN700-DN1200(28”-48”) PN1.0MPa(150PSI)
Cast Iron/Ductile Iron/WCB/Carbon steel/AL-Bronze/CF8,SS304/CF8M,SS316
Ductile Iron/Ni-plated ductile iron/Nylon-plated ductile iron/AL-Bronze/Rubber lined
SS416/SS304/SS316/SS431/17-4PH/Monel/Carbon steel 45/45#
Normal temperature -45℃-150℃
fresh water, sewage, sea water, air, vapor, medicine, oils, alkalis, etc
Equipped with a professional factory, Naibang Valve is a professional manufacturer and supplier of 4 inch butterfly valve dimensions in China. If you want to buy quality product of various beautiful bags, you can get it at a cheap price from us.