Relief valve and flare piping — the 3 per cent rule, backpressure and reaction force
The piping engineer's half of overpressure protection. Why a relief valve inlet must be short and generous, what chatter actually is, built-up and superimposed backpressure and the 10 per cent limit, reaction force on an open discharge, flare header slope, and the car-sealed valve that must never be closed.
MechanicalAdvancedAPI 520API 521+3
