Needle valve is a valve consisting of little port and a strung, needle-molded plunger. It functions to control the flow of liquids in delicate gauges, which might be ruined by sudden surges of fluid under pressure. Varied types of superior grade material are used for the construction of Needle Valves biz: 316 stainless steel, carbon steel, brass, and Alloy 40. These valves are ideal in ideal in vacuum systems, when a precise control of gas flow is required, at low pressure
As Needle Valve control the flow, they are similar to globe valves but are often used for the precision regulation of relatively low flow rates. The main purpose to choose needle valve is it provides secure and leak-free connections