784 gauging needle valve products are offered for sale by suppliers on Alibaba.com, of which needle valves accounts for 41%.
A wide variety of gauging needle valve options are available to you, such as pressure, manual and pneumatic.You can also choose from normal temperature, medium temperature and high temperature gauging needle valve,as well as from water, gas, and oil gauging needle valve, and whether gauging needle valve is steel, stainless steel, or alloy.