GB T3037-94 Marine Double Eccentric Type Butterfly Valve 1. Application GB T3037-94 Marine Double Eccentric Type Butterfly Valve generally used to repair ships and shipbuilding. 2. Material (1) body: cast iron (2) disc: aluminum bronze (3) stem: stainless steel The material of this product can be made to order, for example:cast steel, stainless steel 304, stainless steel 316L etc.
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