A needle valve is a type of valve having a small port and a threade needle-shaped plunger. It allows precise regulation of flow, although it is generally only . Needle valves for positive leak-tight shut-off and regulation of liquids and gases.
Parker valves for oil and gas processing facilities, along with a PFA product for . Parker Autoclave’s V Series needle valves are a non-rotating rising stem design, with working pressures to 10psi (10bar). Here is a video of a needle valve animation. Hy-Lok needle valves offer secure, leak-free connections and provide the lowest overall cost of any instrument needle valve used in the market today. Bar Stock, Screwed Bonnet Needle Valves for Sour Gas Service.
Oliver Valves has been at the forefront of Needle Valve technology. Since our formation in the late 70’s, we have pioneered the Needle Valve concept.
Needle valves have a slender, tapered point at the end of the valve stem that is lowered through the seat to restrict or block flow. Needle valves are fittings which are designed with a slender and tapered point at the end of its valve stem.