API 510, API 570 - PI, OIL & GAS, PIPING

What is Backpressure, Superimposed Backpressure?

Backpressure of PRV; 

Backpressure is the pressure on the outlet side of the Pressure Relief Valve (PRV) which will affect the operation. Performance of PRV by Backpressure contains Superimposed backpressure and a Built an up backpressure:

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Superimposed Backpressure of PRV;

Superimposed Backpressure is a static pressure on the outlet side of Pressure Relief Valve (PRV). There are both Constant and Variable.

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3 thoughts on “What is Backpressure, Superimposed Backpressure?”

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