Manual Gate Valve Dn50

5305 manual gate valve dn50 products are offered for sale by suppliers on Alibaba.com, of which gate valves accounts for 78%, butterfly valves accounts for 5%, and valves（old） accounts for 3%. A wide variety of manual gate valve dn50 options are available to you, such as normal temperature, medium temperature and high temperature.You can also choose from stainless steel, alloy and carbon steel manual gate valve dn50,as well as from black, white, and silver manual gate valve dn50, and whether manual gate valve dn50 is screw, center line, or flat.