4068 1/2 pressure safety valve products are offered for sale by suppliers on Alibaba.com, of which safety valves accounts for 33%, other valves accounts for 9%, and valves(old) accounts for 4%.
A wide variety of 1/2 pressure safety 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 pressure safety valve,as well as from water, gas, and oil 1/2 pressure safety valve, and whether 1/2 pressure safety valve is steel, stainless steel, or iron.