needle valves are used to control flow into delicate gauges, which might be damaged by sudden surges of fluid under pressure.

Gas needle valve is an initiative by designers to serve the household users and small business users with extreme reliability. Gas needle valve has a series of features which has been built close to t

Needle valve body, the type of material for shell bonnet materials (also called the main materials), wedge disc, seat and valve stem sphere, often called seal seat, in addition, also fasteners, seals,

Needle valve sealing good, long life, even if the sealing surface is damaged, only need to replace the wearing parts, you can continue to use.

needle valve materials should be based on the parameters and the properties of materials according to the standard, and shall conform to the relevant provisions of the standard products. Also can choo

needle valves are used to control flow into delicate gauges

a Needle Valve controls flow in both directions (bi-directional). A finely threaded stem allows the gradual adjustment of the amount of controlled flow passing through the valve.

needle valve in the body and bonnet normally, disc, seat and disc(stem, hot slice, packing and driving device (the handwheel, gear box or pneumatic, electric equipment, etc.).