2476 flange type air valve products are offered for sale by suppliers on Alibaba.com, of which ball valves accounts for 14%, other valves accounts for 12%, and check valves accounts for 8%.
A wide variety of flange type air valve options are available to you, such as pressure, manual and hydraulic.You can also choose from normal temperature, medium temperature and high temperature flange type air valve,as well as from water, gas, and oil flange type air valve, and whether flange type air valve is steel, stainless steel, or iron.