Steam Trap Sizing Calculator

Sizes steam traps based on condensate load and pressure differential.

Maximum load.
lbs/hr
Upstream pressure.
psig
Downstream pressure.
psig
Typical 2-3 for intermittent loads.

Results

Design Load with Safety Factor-lbs/hr
Pressure Differential-psi
Approximate Orifice Size-inches
References: ASHRAE HVAC Systems, Steam Trap Manufacturers Data