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Relief valves, which are also known as pressure relief valves are the unique type of safety valves that are used to bring the pressure of a system under control. Pressure is a very important aspect of any system which also has the capacity to upset the entire operation if not kept under proper control. The working principle of the pressure relief valves is to release the excessive pressure from a system by releasing the pressurized fluid through an auxiliary passage. There are numerous pressure relief valve manufactures in the market, but only a few of them meet the expected industrial standard.

Importance of the Pressure Relief Valves

An industry is built up of numerous machinery pieces that consist of diversified functions. It is very important to keep those in perfect working order to get the most out of it. Temperature and pressure are the criteria that drive the output in an effective way. Hence, it becomes essential to get in touch with one of the best valve manufacturers, who will supply the most efficient valve to protect the system from any harm. However, it is also essential to select the right kind of pressure relief valve in order to enjoy the proper functionality. Let’s have a look at the types of pressure relief valves available:

1. Safety Relief Valves

These valves keep the machines safe by releasing the excess pressure from it either immediately or gradually, depending on the requirement. There are two types of valves available with the safety relief valve manufacturers:

Safety or pop-off valve – open an outlet completely when the set pressure exceeds, resulting in the excretion of the excess pressure through an additional valve.

Angle type discharge valve Рreleases the pressure gradually when the pressure exceeds the set limit. Along with controlling the pressure, it is also effective in managing the flow in the system.

2. Excess Flow Check Valves

It is a spring impregnated check valve that either opens or closes depending on the velocity of the fluid flowing through it. The excess flow check valve manufacturers mainly design valves that are used in LPG, NH3, pipelines, road tankers and Propane storage tanks, which demand huge flow capacity valve with negligible pressure drop. It is suitable for both the liquid as well as gas and protects the system by automatically shutting down the process.

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