8383 air vent valve products are offered for sale by suppliers on Alibaba.com, of which other valves accounts for 31%, control valves accounts for 9%, and safety valves accounts for 4%.
A wide variety of air vent valve options are available to you, such as stainless steel, brass and plastic.You can also choose from vacuum, low pressure and medium pressure air vent valve,as well as from low temperature, medium temperature, and normal temperature air vent valve, and whether air vent valve is ball valves, foot valves, or stop & waste valves.