Search Results for: Plastics surface containers
application the wafer type butterfly valves are mainly applied to pipe lines which are used for fields like petroleum, chemistry, food, medicine, paper-making, hydropower station ship building, water apply and discharge, energy resources, metallurgy and etc, this type of valves are used on pipe lines or containers
allowed to go in either direction. . the valve she kept dry in warehouse, leaving - degrees open. . before the valve installed on pipeline, we should check following items carefully: ) check if working condition is conformed to the performance of the valve. ) clean inside of the valve and sealing surface...
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