A Guide to Pressure Relief Valves

A Guide to Pressure Relief Valves

In pneumatics, a pressure relief valve (PRV) is essential to preserving the integrity and security of compressed air systems in pipelines and vessels. Alternatively referred to as a relief valve or pressure release valve, it serves as a safety measure to stop over pressurisation, which may cause harm or put workers and equipment at risk.

How Pressure Relief Valves Work:

By releasing excess pressure and preventing it from rising above pre-established levels, pressure relief valves are designed to safeguard compressed air systems. A spring-loaded mechanism that reacts to pressure applied to the valve seat powers the valve. The spring’s tension can be changed, usually by turning a control knob, to alter the opening pressure.

The valve opens to release excess pressure when pressure rises above the preset setting. This quick air release keeps the pressure from rising too high. In order to preserve system stability, the valve automatically closes when the pressure reaches the predefined level again.

A Closer Look at Our Range:

Pressure Relief Valves: In many different industries, our broad selection of pressure relief valves is an essential safety precaution. By automatically releasing excess pressure, these valves ensure optimal system performance and guard against potential equipment damage. As a recommended valve supplier, Valves Online provides dependable and reasonably priced solutions for industrial processes all over the world.

Safety Relief Valves: Discover our range of Safety Relief Valves, designed to meet specific operational requirements and offering pressure ranges from 0.2 to 40 bar. These valves, which come in an array of sizes and end connections (including BSP and flange options), are made of premium materials like cast iron, stainless steel, and bronze and satisfy industry standards for steam and high-temperature applications.

Design Options: We have unique designs like Full Lift and High Lift in our collection. Full Lift valves guarantee total pressure relief, whereas High Lift valves provide advantages for various situations/environments. Each design meets specific needs of different industries with options like lever and dome head types.

Manufacturer Diversity: Our Pressure Relief Valves are sourced from reliable manufacturers such as Tosaca, Gresswell, and ARI-Armaturen, and they benefit from a wide range of experience. These valves offer confidence in crucial applications because they are dependable, effective, and compliant with stringent industry standards.

Customisation and Flexibility: With these valves, you can modify and adjust your pressure relief solutions to meet certain requirements. The selection includes bronze valves for steam applications and stainless steel valves for corrosive environments. Certain valves can be fitted with drain and blowdown valves to satisfy unique system needs.

Industry Approvals: Our Pressure Relief Valves guarantee adherence to regulatory standards because they comply with the European Pressure Equipment Directive standards. These valves put safety and industry-specific compliance first, and they are approved for use in steam and high-temperature environments.


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