9552 second valves products are offered for sale by suppliers on Alibaba.com, of which ball valves accounts for 1%, construction machinery parts accounts for 1%, and intake & exhaust valves & valve tappets accounts for 1%.
A wide variety of second valves options are available to you, such as pressure, manual and electric.You can also choose from normal temperature, second valves,As well as from water, gas second valves, and whether second valves is steel, stainless steel, or iron.