446 union diaphragm valve products are offered for sale by suppliers on Alibaba.com, of which other valves accounts for 45%, ball valves accounts for 4%, and angle valves accounts for 3%.
A wide variety of union diaphragm valve options are available to you, such as pressure, manual and pneumatic.You can also choose from normal temperature, medium temperature and high temperature union diaphragm valve,As well as from water, oil union diaphragm valve, and whether union diaphragm valve is steel, stainless steel, or iron.