A needle valve has a relatively small orifice with a long, tapered seat, and a needle-shaped plunger on the end of a screw, which exactly fits this seat.

The needle valve allows precise flow adjustment due to 56 threads per inch adjustment and three degree taper of the needle. A higher resolution version is available.The adjusted flow remains stable ev

In the production of needle valve body for a couple applying stamped blank of heat-resistant steel, water use carbon steel, stainless steel - in the manufacture of valves for corrosive environment tem

Needle Valves are designed in many different materials. The valve is generally metal - here stainless steel, or a steel alloy, brass, or bronze are most often used, The seat is usually made from an el

The needle valve is inserted into the ball's pump hole via the valve's long and narrow needle. When the needle is attached to a pump, a one-way valve allows the flow of air into and not out of the bal

When considering the uses of needle valves, the manual operation is most commonly thought of. Manual operation is when the handwheel is turned to adjust the rate of flow.

Depending on the purpose needle valves vary in design. Some technical equipment requires smooth flow control, reliable fixation of intermediate positions. In this case, the needle valve shut-off and r

A valve is a accessory that regulates, directs or controls the breeze of a aqueous (gases, liquids, fluidized solids, or slurries) by opening, closing, or partially obstructing assorted passageways. V