Is our ISO tank’s MAWP defined in units of PSIG or PSIA? Can we adjust the PRV set pressure to match MAWP (or lower), instead of 10% higher?
Question: “Is our tank’s MAWP defined in units of PSIG or PSIA? Can we adjust the PRV set pressure to match MAWP (or lower), instead of 10% higher?” Tank Guru: It’s definitely PSIG (gauge), not absolute. And in the case of tank containers with a