184 double union gate valve products are offered for sale by suppliers on Alibaba.com, of which gate valves accounts for 25%, other valves accounts for 3%, and control valves accounts for 3%.
A wide variety of double union gate valve options are available to you, such as manual, worm gear.You can also choose from normal temperature, low temperature double union gate valve,as well as from water double union gate valve and whether double union gate valve is steel, stainless steel, or iron.