Urinal Flush Valve Sizing

Size flush valve supply for urinal fixtures with proper flow and pressure.

1=standard flush (1.0 GPF), 2=high efficiency (0.5 GPF), 3=waterless.
Length from branch to urinal.
feet
Total urinals on common branch.

Results

Flow per Urinal-GPM
Total Branch Flow-GPM
Supply Size-inches
References: Based on UPC urinal flush valve requirements and diversity factors