Butterfly Valve Dn50

8939 butterfly valve dn50 products are offered for sale by suppliers on Alibaba.com, of which butterfly valves accounts for 76%, ball valves accounts for 5%, and check valves accounts for 2%. A wide variety of butterfly valve dn50 options are available to you, such as normal temperature, low temperature and medium temperature.You can also choose from stainless steel, alloy and aluminum alloy butterfly valve dn50,as well as from black, white, and silver butterfly valve dn50, and whether butterfly valve dn50 is screw, compact, or air vent.