Pilot Operated Check Valve 

When pilot signal of pressurized oil is used to control movement of poppet in the check valve , it is known as pilot operated check valve.

Construction and Working 
  • It consists of a valve body with inlet and outlet ports and poppet loaded with the help of spring.
  • Plunger and plunger piston is provided with spring at the pilot port.
  • When the oil enters through the pilot port, it pushes the plunger towards the poppet and it will move the poppet to connect inlet port P and port A. The oil will flow freely from port P to port A.
  • When pilot port is out off by oil supply, the poppet block the valveas plunger force is removed and restricts the reverse flow of oil.
ckeck valve

Symbol

Also read…

By Aditya

Hi, I’m Aditya Sharma, a professional blogger from Gurgaon, India and I launched this blog called aadityacademy on July 2021. aadityacademy.com is a mechanical Project-oriented platform run by Aditya sharma and I got the motivation to start aadityacademy blog after seeing less technical education information available on google.

4 thoughts on “What is Pilot Operated Check Valve | Definition, Construction, Working”

Leave a Reply

Your email address will not be published. Required fields are marked *