A scenario for fire case.
Pset = 525 psig
Relief Pressure = 1.21*525+14.7 = 649.95 psia
Relief Temp = BP@Relief Pressure = 220 F
Latent Heat: 95 BTU/LB
BB PSV is selected.
Max rated capacity is 64000LB/HR
Calculated area from Safety Engineer is API 2H3 (0.785in^2). Now the existing discharge...