D42HS, D942HS Electric Double Eccentric Bidirectional Metal Hard Seal Butterfly Valves
D42HS, D942HS, D642HS, D342HS PN 6, 10, 16 electric double eccentric bidirectional metal hard seal butterfly valves are widely used in water conservancy engineering, tap water, power circulation water, petroleum, chemical and other industrial pipelines to cut off medium flow.
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