Xiamen Dervos Valves Industry Co.,Ltd(stock code 861601), founded in 2008, is a one-stop industrial valves supplier integrated of R&D, manufacture, resource integration, and trade service. Dervos has been committed to finding solutions for industrial needs and providing professional service for both general and specialized valves.
Our product range covers almost all valve types in all industries. including ball valves,gate valves,butterfly valves,check valves and other special pipe valves.
The 4 inch cryogenic ball valve, designed as per API609, has many parts equipped RPTFE --It has the lowest coefficient of friction and the best corrosion resistance of any known plastic material, so that the valve can handle quite extreme situations.
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