568 double bleed block valve products are offered for sale by suppliers on Alibaba.com, of which ball valves accounts for 14%, needle valves accounts for 12%, and check valves accounts for 1%.
A wide variety of double bleed block valve options are available to you, such as normal temperature, medium temperature and high temperature.You can also choose from stainless steel, alloy and aluminum alloy double bleed block valve,As well as from black, silver double bleed block valve,