Thermostatic Expansion Valve (TXV) Superheat & Sizing Calculator
Calculate diaphragm force balance ($P_b = P_e + P_s$), static vs. opening superheat, pressure drop correction factors, and required valve orifice tons.
Evaporator Duty & Pressures
Required TXV Nominal Capacity & Force Balance
Required Rated TXV Tons
-
-
Net Valve Drop (ΔP_valve)
-
-
Opening Superheat
--
Static Superheat
--
Correction Factor CF
--
Diaphragm Force Equilibrium Equation
P_bulb (Opening) = P_evap + P_spring (Closing)
Recommended Tools & Equipment
Tested hardware and components for high reliability
100% Free Tool
Zero Sign-Up