R454C Opteon™ XL20

R-454C (Opteon™ XL20)

Very Low GWP (148) A2L safety class alternative to R-404A, R-507A, R-407A, R-407F for all direct expansion refrigeration applications and R-407C alternative for air conditioning, dehumidification and heat pump applications.

Features and Benefits

  • Very low (<150) GWP –Sustainable and compliant with F-Gas legislation
  • Good energy performance compared to R-404A – Lower indirect emissions and operating costs.
  • Approved by many equipment manufacturers – Choice of new equipment available.

Packaging and Supply

  • Climalife supply R-454C in 9kg or 46kg returnable cylinders.
  • Conforms to AHRI 700-2016 specifications.
  • As R-454C is safety class A2L, it is important to use the right equipment for handling R-454C.

Why Choose Climalife?

Climalife are a key player in the distribution of refrigerants and other climate control products, with a nationwide distribution network and product knowledge that is second to none.

How does R-454C compare to R-404A?

R-454C has a slightly lower cooling capacity than R-404A but improved energy efficiency performance compared to R‑404A. R‑454C does have the safety classification A2L due to its low flammability. R‑454C should only be used in systems compatible for use with low flammability refrigerants.

Full theoretical performance comparisons at customer specified conditions are available from Climalife on request.

Properties

Composition

 

HFC-32/R-1234yf - 21.5/78.5% by mass

Chemical Formula

 

CH2F2/CF3CF=CH2

Molecular Mass

90.78

Boiling Point (at 1 Atmosphere)

-45.6°C

Dew Point (at 1 Atmosphere)

-37.8°C

Saturated Liquid Density at 25°C

1042.4 kg/m³

Saturated Vapour Density at 1.013bar

4.910 kg/m³

Saturated Liquid Pressure at 25°C

11.905 bar

Saturated Liquid Pressure at 50°C

21.640 bar

Critical Temperature

85.7°C

Critical Pressure

43.188 bar

Critical Density

461.6 kg/m³

Critical Volume

0.00217 m³/kg

Latent Heat of vapourisation at 1.013bar

227.3 kJ/kg

Thermal Conductivity of Liquid at 25°C

75.6 mW/(m.K)

Thermal Conductivity of Vapour at 25°C & 1.013bar

13.6 mW/(m.K)

Surface tension at 25°C

5.68 mN/m

Viscosity of Liquid at 25°C

0.129 mPa.s

Viscosity of Vapour at 25°C & 1.013bar

0.012 mPa.s

Specific heat of liquid at 25°C

1.539 kJ/(kg.K)

Specific heat of vapour at 25°C and 1.013bar

0.8922 kJ/(kg.K)

Cp/Cv ratio at 25° and 1.013 bar

1.126

Lower Fammability Limit (LFL) in air (EN 378)

0.293

Flash Point

None

ISO 817 / ASHRAE 34 Safety Classification

A2L

PED Fluid Group

1

Ozone Depletion Potential (ODP)

0

Global Warming Potential (GWP) IPCC AR4/IPCC AR5

148/146



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