Dn40 Butterfly Valve

4478 dn40 butterfly valve products are offered for sale by suppliers on Alibaba.com, of which butterfly valves accounts for 75%. A wide variety of dn40 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 dn40 butterfly valve,as well as from black, white, and silver dn40 butterfly valve, and whether dn40 butterfly valve is screw, compact, or center line.