API 526

Flanged Steel Pressure Relief Valves.

The standard is a purchase specification for flanged steel pressure relief valves.

Basic requirements are given for direct spring-loaded pressure relief valves and pilot-operated pressure relief valves as follows: orifice designation and area; valve size and pressure rating, inlet and outlet; materials; pressure-temperature limits; and center-to-face dimensions, inlet and outlet.

ESD can supply a large range of API 526 valves from many manufacturers. Please contact us for help in choosing the right type of API 526 valve.