114 bs21 ball valve products are offered for sale by suppliers on Alibaba.com, of which ball valves accounts for 64%, valve balls accounts for 5%.
A wide variety of bs21 ball valve options are available to you, such as pressure, manual and hydraulic.You can also choose from medium temperature, bs21 ball valve,as well as from water, gas, and oil bs21 ball valve, and whether bs21 ball valve is steel, stainless steel, or iron.