Needle valve

How does a needle valve work? What is the purpose of a needle valve? A needle valve is a type of valve with a small port and a threade needle-shaped plunger.

It allows precise regulation of flow, although it is generally only capable of relatively low flow rates. Several designs are provided for oil and gas processing facilities, along with a PFA product for use in aggressive chemical and gas applications. Our needle valve range consists of high quality products made with stainless steel or brass. Temperature range: -20°C to 240°C (subject to configuration).

Operator: Bar, hand operated. Order needle valves and other LPG valves online at BES. Low Prices, Free Next Day Delivery Available, 15k Plus Products in stock. Our high-quality needle control valves can be used within delicate gauges which might be damaged. Frequently sought after for modulating the flow of water, most standard needle control valves, such.

Needle Valves Needle control valves. A precision needle valve allowing accurate regulation of flow. Featuring the World’s most comprehensive range of instrumentation needle valve s. The Waverly brownall needle valve range is designed and manufactured to the highest standards to meet the requirements of the severe applications anticipated for these valves. They have a split stem design, which ensures accurate seating, and a bubble tight seal.

FREE Shipping on eligible orders. Some options are Prime eligible. Female screwed type bronze globe valves.

These inline stop valves can be used in many applications including steam, water, oil and air. The distinguishing characteristic of a needle valve is the long, tapere needle like point on the end of the valve stem. This “needle” acts as a disk.

They are manually operated and generally used for relatively low flow rates. These valves are only suitable for clean media and can be used in one flow direction. The pressure drop of is quite large compared to other valves such as ball valves.

They are also used in situations where the flow must be gradually halte and where precise adjustments of flow are necessary or where a small flow rate is desired. Hydravalve (UK) Ltd is an ISO approved provider of valves, pneumatic actuators, electric actuators, temperature gauges, ancillary equipment, industrial hose equipment and brass fittings. Non rotating ball tip. Provides bubble tight shut off.

Metal to metal bonnet seal. Back seating spindle. Instrument line shut off. Gauge and instrument isolation. Up to 10psi or 400°C. May be used with 15mm copper or polyethylene pipe.

Maximum working pressures are bar at 20°C and bar at 65°C. Unsuitable for use with stainless steel pipe. Here is a video of a needle valve animation.