Category Archives for Pressure Relieving Systems GP

Pressure Relieving Systems – Procedures for Sizing

Modifications to API RP 520 API Effective Area and Effective Coefficient of Discharge 1) The minimum size of PR valves shall be as follows: a) 1 in. NPS (25 mm) inlet size with flanged inlet and outlet connections. b) 3/4 … Continue reading

28. May 2021 by Jack
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Pressure Relieving Systems – Rupture Disks

Modifications to API RP 520 Applications of Rupture Disks 1. Soft seated PR valves may be considered as an alternative to rupture disk (RD)/PR valve combinations for services operating below 450?F (232?C) when control of fugitive emissions is required to … Continue reading

28. May 2021 by Jack
Categories: Pressure Relieving Systems GP | Leave a comment