Pressure Relief Valve working Explain in Urdu/ Hindi..Episode 06

In this video we will Learn Pressure Relief Valve Basics,How Pressure Relief Valve works,How many types of Pressure Relief Valve,How Pressure Relief Valve protect system,Pressure Relief valve working all explain in urdu/ Hindi so keep watching my youtube channel for all about Hydraulic system basics.
A relief valve or pressure relief valve is a type of safety valve used to control or limit the pressure in a system; pressure might otherwise build up and create a process upset, instrument or equipment failure.
Pressure relief valves (safety relief valves) are designed to open at a preset pressure and discharge fluid until pressure drops to acceptable levels. ... When the force of the steam pressure acting on the valve exceeded the force of the weight acting through the lever arm the valve opened.
A relief valve or pressure relief valve (PRV) is a type of safety valve used to control or limit the pressure in a system; pressure might otherwise build up and create a process upset, instrument or equipment failure, or fire. ... As the fluid is diverted, the pressure inside the vessel will stop rising.