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691 iso9001 ansi butterfly valve products are offered for sale by suppliers on Alibaba.com, of which butterfly valves accounts for 71%. A wide variety of iso9001 ansi butterfly 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 iso9001 ansi butterfly valve,as well as from black, silver, and yellow iso9001 ansi butterfly valve,And whether iso9001 ansi butterfly valve is compact, {2}, or {3}.