Tag Archives: pressure safety valve

Back Flow Preventer

Back flow preventer is one of pilot operated safety relief valve accessory which functions to eliminate the reverse flow through the main valve in case the the back pressure at pressure safety relief discharge line exceeds main valve inlet pressure. … Read More

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Overpressure

Overpressure is the pressure increase over the set pressure of the relieving device. It is expressed in pressure units or as a percentage of set pressure. Overpressure is the same as accumulation only when the relieving device is set to … Read More

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