14138 instrumental valve products are offered for sale by suppliers on Alibaba.com, of which needle valves accounts for 6%, ball valves accounts for 4%, and gate valves accounts for 1%.
A wide variety of instrumental 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 instrumental valve,as well as from black, white, and silver instrumental valve,