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17 Ιαν 2024 · A pressure release valve is a safety device that prevents boilers from exploding or leaking due to high pressure. Learn how it works, what types of boilers use it, and how to maintain it.
A boiler pressure relief valve is a safety device which works by allowing pressurised fluid to leave the system safely. This prevents a dangerous build-up of pressure which could lead to your boiler shutting down or, in extreme cases, rupturing completely.
Relief Valve – This device is typically used for liquid service. It operates automatically by opening farther as the pressure increases beyond the initial opening pressure and recloses when the pressure drops below the opening pressure.
Learn what a pressure relief valve (PRV) is, how it works, and why it is important for your boiler and central heating system. Find out how to identify, fix, or replace a faulty PRV and the difference between PRV and expansion vessel.
1.1 Definition of a Boiler Pressure Relief Valve. 1.2 Function of a Boiler Pressure Relief Valve. 1.3 Prevention of Overpressure Conditions. 2 The Need for Pressure Relief in Boilers. 2.1 How Pressure Builds Up in a Boiler System. 2.2 Potential Risks Associated with Excessive Pressure. 3 Components of a Boiler Pressure Relief Valve. 3.1 1.
What does a pressure relief valve do in a boiler? PRVs, also sometimes known as safety release valves, are in place to prevent a buildup of pressure. The valve opens to release pressure when the level becomes too high, and closes again when the pressure has dropped to within a safe range.
Learn how to install, inspect, troubleshoot, repair pressure or temperature relief valves on heating boilers, water heaters, and other pressurized vessels. See photos, defects, testing, and safety tips for these important safety devices.
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