Definition(s)
Balanced Pressure-Relief Valve
Spring-loaded pressure-relief valve that incorporates a bellows or other means for minimizing the effect of backpressure on the operational characteristics (set pressure, closing pressure, and relieving capacity) of the valve.
Source:API STD 521, Pressure-relieving and Depressuring Systems, Sixth Edition, January 2014. Global Standards
Balanced Pressure-Relief Valve
Spring-loaded pressure-relief valve that incorporates a bellows or other means for minimizing the effect of back pressure on the operational characteristics of the valve.
Source: API STD 521, Pressure-relieving and Depressuring Systems, Fifth Edition, January 2007 (Addendum May 2008). Global Standards