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4 inch butterfly valve dimensions

4 inch butterfly valve dimensions

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


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.

Detailed description:



End   flange:

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

Top   flange:

ISO 5211

Normal   pressure:

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#



Suitable   temperature:

Normal  temperature -45-150


fresh  water, sewage, sea water, air, vapor, medicine, oils, alkalis, etc

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