Butterfly Valve, Brand Name : DESW

We are offering high-performance butterfly valve with pneumatic actuator, flangedwafer connection with positioner
long service lifespan, the switch times can reach to 1 million
the leakage class can reach to vi, totally 0 leakage
seat seal and packing group is replaceable
ultra low-operating torque
bidirectional seal, in seal test, there is no bubble and leakage at both directions
the valve materials can meet nace requirements and anti-corrosion
high-speed and high-frequency working condition is available, for instance: air separation
vacuum condition is available, class reach to 2 x 10-2 tore
high-temperature oxygen and hydrogen working condition is available
the fire-proof butterfly valve is designed according to api607.