15 Low Flow Needle Valve With Certificates - Online Training Courses. Needle valves are able to withstand up to 10,000 psi working pressure, subject to the working temperature. Needle valves are somehow similar to globe valves in design with the biggest.
Needle valves, commonly known as plunger valves, are employed to fulfil this purpose. The cv was designed for use. A needle valve is a manual valve that is used where continuous throttling is required for the flow regulation.