Refrigerant Line Size Calculator by Tonnage and Length
Refrigerant line size by tonnage and length starts with cooling capacity, equivalent length and manufacturer-approved nominal sizes, then screens velocity and pressure drop.
refrigerant line size calculator by tonnage and length refrigerant line size calculator line set size calculator
Capacity to mass flow
m_dot = Q / NRE
Line velocity
v = m_dot / (rho * A)
Manufacturer approval first
Use the current equipment long-line guide for approved sizes, maximum length, riser traps, accessories, charge adjustment and capacity derates.
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