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858 wcb 300 valve products are offered for sale by suppliers on Alibaba.com, of which gate valves accounts for 17%, ball valves accounts for 15%, and check valves accounts for 14%. A wide variety of wcb 300 valve options are available to you, such as normal temperature, medium temperature and high temperature.You can also choose from stainless steel, alloy and aluminum alloy wcb 300 valve,as well as from black, white, and silver wcb 300 valve,