In ASME B31.3 revision 2018, for the minimum impact test exemption temperature reduction, the code establishes 3 conditions for the use of applicable requirements:
(1) The piping is not in Elevated Temperature Fluid Service.
(2) Local stresses caused by shock loading, thermal bowing, and...
The set pressure tolerance for pressure relief valves shall not exceed ±2 psi (15 kPa) for pressures up to and including 70 psi (500 kPa) and ±3% for pressures above 70 psi (500 kPa), Ref. ASME Sec. VIII, Div. 1-2019, Para. UG-134(d)(1).
My question is: Should this tolerance be understood to...