Dn500 cast iron gate valve

742 dn500 cast iron gate valve products are offered for sale by suppliers on Alibaba.com, of which gate valves accounts for 87%, check valves accounts for 4%, and valves（old） accounts for 2%. A wide variety of dn500 cast iron gate 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 dn500 cast iron gate valve,as well as from center line dn500 cast iron gate valve