Air Compressor Relief Valve Testing

Pressure systems may have a number of prvs installed to provide redundancy in safety measure. Hi as a test i ran the compressor up and once it cut out unplugged the hose that runs from the one way value to the unloaderpressure switch at the unloader valve end expecting only a short burst of air from the cylinder and no more as the one way valve would prevent this. The valve is designed to limit system pressure and it is critical that they remain in working order to prevent an explosion.

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The term pressure relief valve or prv is self explanatory in a general sense.

Air compressor relief valve testing. For more information visit our website. The ac works good pressuresperformance and the relief valve evidently did reseat. Explosions have caused far too much damage in companies over the years and though pressurized tanks and vessels are equipped with best practices for testing pressure relief valves. Just in time for fall.

Frequently a servo valve controlled by a regulator is used instead. Safety is of the utmost importance when dealing with pressure relief valves. The safety measure on an air compressor is a release valve also known as a relief valve. Usually parts of the valve are made from material such as bronze or brass which greatly reduces the chances of mating parts sticking together due to corrosion or dirt and dust build up.

An air compressor is a great tool that can be put to use for many tools such as a spray gun or a water sprayer. The inability to find a new relief valve for this compressor is still frustrating but i guess that will have to be a frustration for another day. The original method for regulating compressors was to use a pressure relief valve to release excess air pressure into the atmosphere. So i replaced the expansion valve and got everything vacuumed and charged and now all is good.

When the inlet pressure force is greater than the spring load the safety valve opens in proportion to the increase in pressure and allows air to leak out as needed. The set pressure of the relief valve must never exceed the design pressure of the air receiver. Pressure relief valves for air compressor systems are simple spring loaded mechanisms. When you work with anything that maintains pressure you need to make sure that safety comes first.

The valve in its simplest design can be spring loaded whereby the spring tension determines the final pressure. A prv is needed in any system including compressed air where there is the potential for pressure to increase to an unsafe level in a pressure vessel. This video shows how you can test a safety relief valve on a metrus valve test bench with air or nitrogen.