Needle Valve -- A Handy Breakdown

Belajar Maintenance Mesin Diesel Dgn Samuel.

Needle valves have a needle-shaped plug that allows for more precise control.Bagian - bagian utama plug valve sama saja dengan gate valve ataupun globe valve. Needle Valves are used to reduce the rate of flow in a leg of a pneumatic circuit, consequently slowing actuator speed. In general, there are four methods of controlling flow through a valve. In closed position, the needle is passed against the conical valve seat by a pressing spring. Plug valves are available in either a lubricated or nonlubricated design and with a variety of styles of port

...