Definition(s)


Cold Differential Test Pressure (CDTP)

Pressure at which a pressure-relief valve is adjusted to open on the test stand. NOTE The cold differential test pressure includes corrections for the service conditions of back pressure or temperature or both.

Source: API STD 521, Pressure-relieving and Depressuring Systems, Fifth Edition, January 2007 (Addendum May 2008). Global Standards 

 

Cold Differential Test Pressure

Inlet static pressure at which a pressure-relief valve is adjusted to open on the test stand.

NOTE: The CDTP includes corrections for the service conditions of backpressure or temperature or both.

Source: API STD 521, Pressure-relieving and Depressuring Systems, Sixth Edition, January 2014. Global Standards

Comments are closed.