6391 piece ball valve manually products are offered for sale by suppliers on Alibaba.com, of which ball valves accounts for 81%, other valves accounts for 4%, and control valves accounts for 3%.
A wide variety of piece ball valve manually options are available to you, such as pressure, manual and hydraulic.You can also choose from normal temperature, medium temperature and high temperature piece ball valve manually,as well as from water, gas, and oil piece ball valve manually, and whether piece ball valve manually is steel, stainless steel, or iron.