Refrigerant Pipe Sizer

DX system suction, discharge, and liquid line sizing

System Parameters

Refrigerant

System Capacity (tons)

Evaporating Temp (°F)

Condensing Temp (°F)

Suction Superheat (°F)

Liquid Subcooling (°F)

Recommended Line Sizes

Suction Line

—

Velocity—

Mass flow—

Discharge Line

—

Velocity—

Mass flow—

Liquid Line

—

Velocity—

Mass flow—

Capacity Table — All Line Sizes

OD Size	ID (in.)	Suction cap. (tons)	Suc. vel. (fpm)	Discharge cap. (tons)	Liquid cap. (tons)