1/2 spring check valve

1544 1/2 spring check valve products are offered for sale by suppliers on Alibaba.com, of which check valves accounts for 79%, valves（old） accounts for 4%, and other valves accounts for 3%. A wide variety of 1/2 spring check valve options are available to you, such as pressure, manual and hydraulic.You can also choose from normal temperature, medium temperature and high temperature 1/2 spring check valve,as well as from water, gas, and oil 1/2 spring check valve, and whether 1/2 spring check valve is steel, stainless steel, or iron.