Fluid Properties Calculator

Fluid Properties

P-h Diagram
RefrigerantSafety: A1
PT linkage: edit P ↔ Tsat. ΔT sets superheat/subcool. Set ΔT=0 to adjust Q.
P–Q (Two-phase)
Pressure
P
Temperature
T
T
=
Tsat
+
ΔT
Enthalpy
H
Entropy
S
Density
ρ
Vapor Quality
Q
0–1

Properties

Two-Phase
R134a @ 0.1 MPa / -26.36 °C
Specific Heat (Cp)1.280kJ/kg·K
Specific Heat (Cv)0.848kJ/kg·K
Speed of Sound743.306m/s
Viscosity380.272μPa·s
Thermal Conductivity104.042mW/m·K
Fluid Data Sheet: R134a
Environmental
GWP (100yr): 0
ODP: 0
Safety
Safety: A1
Type: Pure/Pseudo-Pure
R134a is a common Refrigerant refrigerant used in HVAC applications.
Learn
Practical notes to help you interpret results and common HVAC workflows.
P-h DiagramSuperheat & SubcoolingTwo-phase quality (Q)Saturation pressure vs temperatureView all Wiki topics

Disclaimer

This tool is provided "as is", without warranty of any kind. Results may be inaccurate, incomplete, or out of date. Do not use for safety-critical, compliance, or life-support decisions. You are responsible for validating outputs and assumptions.

fluidtool.com•Powered by CoolProp.CitationLicense (MIT)•FluidsWikiAboutPrivacyTerms
© 2026 FluidTool. All rights reserved.