: Primarily designed for oil refineries, it also applies to petrochemical facilities, gas plants, LNG facilities, and upstream oil and gas production.
Beyond the valves themselves, ISO 23251 covers the entire "tail end" of the safety system, including piping, knockout drums, flares, and vent stacks. Integration with API 521 iso 23251 pdf
The primary goal of the standard is to help engineers select the most appropriate pressure-relief and depressuring systems based on the specific risks of an installation. Primary Application: Oil refineries. : Primarily designed for oil refineries, it also
It outlines the "vessel blowdown" procedure to prevent vessel failure due to metal weakening from heat. : Primarily designed for oil refineries