Appendix A: Technical reference
A.4 Process Pressure/Temperature Derating Curves
SITRANS LR250 (PROFIBUS PA)
Operating Instructions, 08/2014, A5E32221386-AC
249
ASME B16.5, Class 300: 2", 3", and 4" NPS
①
Atmospheric
P
Allowable operating pressures
T
Allowable operating temperatures