Valve selection
Vacuum negative pressure double flange butterfly valve
Product Features
真空负压蝶阀,双法兰连接
Model number
ZKD343W
Specification and caliber
DN40-DN1800
Pressure level
适用范围(Pa) 105~1.3×10-5 阀门漏率(Pa.L/S) ≦1.3×10-6
Material
WCB/304/316L/CF8/CF8M
Product Introduction
Double flange vacuum butterfly valve with three eccentric specifications. The internal structure of the double flange vacuum butterfly valve is three eccentric, and the main body is made of stainless steel (304/316L) or carbon steel (WCB), used to connect gas in vacuum pipelines. Capable of withstanding positive and negative pressure, the valve stem does not move up and down, the upper cover packing structure, and the valve plate is equipped with a locking device. Due to its upper cover, it can be used in vacuum negative pressure systems, and the valve plate adopts multi-level hard sealing, which can adapt to various environments.
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