D42HS, D942HS Pneumatic Double Eccentric Bi-directional Metal Hard Seal Butterfly Valves
D42HS, D942HS, D642HS, D342HS-PN 6, 10, and 16 pneumatic double eccentric bidirectional metal hard seal butterfly valves are widely used in industrial pipelines such as water conservancy engineering, tap water, power circulation water, petroleum, and chemical engineering to cut off the flow of medium.
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