What is a pilot valve and how does pilot valve work

A pilot valve is a closed-body valve that regulates the flow of liquid or gas in pipes by controlling the pressure relief. When a pilot valve opens, the relief pressure on the inside of the valve becomes greater than the pressure inside the pipe, opening the valve fully. This allows fluid to flow freely until the relief pressure is lessened and the valve closes again. The pilot valve is a heavy equipment parts that is used in the process of oil and gas production. The valve is installed on the top of the wellhead and it helps control flow of oil and gas.

Image Source=Google 

      What is a pilot valve?

A pilot valve is a valve used on gas pipelines and other systems where it is necessary to maintain a precise flow of gas. When the system pressure changes, the pilot valve opens and closes to maintain the desired flow.

How does the pilot valve work?

Pilot valves work by using a spring-loaded arm to open and close the valve. When the system pressure changes, the spring tension causes the arm to move and open or close the valve.

A pilot valve (sometimes called a check valve) is a type of valve used to control the flow of liquids and gases. When the pilot valve is open, liquid flow will be unrestricted; when the pilot valve is closed, the liquid flow will be restricted. The term "pilot" relates to the fact that the valve is used to "pilot" or test the flow of fluid.

     What are the benefits of using a pilot valve?

A pilot valve is a valve that Allows flow of gas or fluid in one direction while preventing the flow of gas or fluid in the opposite direction. The purpose of a pilot valve is to keep a system from flowing in the wrong direction, thereby preventing damage. Pilot valves are often used in pipelines and other fluid systems, as they help to control the flow of materials.