Pressure Relief Valve

Size pressure relief valve.

Three-dimensional space occupied (L × W × H for boxes).
cu ft
Enter the refrigerant (1=r134a, 2=r404a, 3=r410a) value for this calculation.
Force per unit area, measured in PSI, Pa, or other units.
psig

Results

Relieving Capacity:
Maximum amount that can be handled.
-lbs/min
Minimum Orifice:
Recommended size based on calculations.
-sq in
Reference: ASHRAE/IIAR Standards. ASHRAE 15 pressure relief requirements.