High Performance Butterfly Valve, Brand Name : DESW

We offer electrical high-performance butterfly valve double eccentric wafer type stainless steel
manufacturing standards: api, ansi, bs, din and jis
sealing: resilience-seated (ptfe, rptfe, ppl, peek), metal-seated
size range: 2 to 64 inches (dn50mm - dn1, 600mm)
pressure: 150, 300, 600lbs
applicable temperatures: -40 to 400˚c
connections: wafer, lug type, double flanged, bw
body materials: carbon steel, stainless steel, alloy steel, monel, duplex stainless steel and other special materials
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 torr
high-temperature oxygen and hydrogen working condition is available
the fire-proof butterfly valve is designed according to api607.