R448A Solstice® N40

R-448A (Solstice® N40)

Lower GWP (1387) A1 safety class alternative to R-404A, R-507A, R-407A, R-407F for all direct expansion refrigeration applications.

Features and Benefits

  • A1 (non-flammable) safety class – Ideal retrofit candidate for higher GWP refrigerants.
  • 65% lower GWP than R-404A –More 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 – Large choice of equipment available.

Packaging and Supply

  • Climalife supply R-448A in 10kg, 19kg or 53kg returnable cylinders.
  • Conforms to AHRI 700-2016 specifications.

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-448A compare to R-404A?

R-448A has a similar cooling capacity with improved energy efficiency compared to R‑404A. In many cases the compressor discharge temperature will not be a concern but for some low temperature applications, under the same operating conditions, R‑448A will exhibit a significantly higher compressor discharge temperature than R‑404A which, in a retrofit situation, may need to be managed.

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

Properties

Composition

 

HFC-32/HFC-125/R-1234yf/HFC-134a/HFO-1234ze(E) - 26/26/20/21/7% mass

Chemical Formula

 

CH2F2/CHF2CF3/CF3CF=CH2/CF3CH2F/CHF=CHCF3 (trans)

Molecular Mass

86.28

Boiling Point (at 1 Atmosphere)

-46.1°C

Dew Point (at 1 Atmosphere)

-39.9°C

Saturated Liquid Density at 25°C

1097.2 kg/m³

Saturated Vapour Density at 1.013bar

4.703 kg/m³

Saturated Liquid Pressure at 25°C

12.876 bar

Saturated Liquid Pressure at 50°C

23.728 bar

Critical Temperature

82.7°C

Critical Pressure

45.945 bar

Critical Density

477.3 kg/m³

Critical Volume

0.00210 m³/kg

Latent Heat of vapourisation at 1.013bar

241.5 kJ/kg

Thermal Conductivity of Liquid at 25°C

81.2 mW/(m.K)

Thermal Conductivity of Vapour at 25°C & 1.013bar

13.6 mW/(m.K)

Surface tension at 25°C

5.96 mN/m

Viscosity of Liquid at 25°C

0.138 mPa.s

Viscosity of Vapour at 25°C & 1.013bar

0.012 mPa.s

Specific heat of liquid at 25°C

1.555 kJ/(kg.K)

Specific heat of vapour at 25°C and 1.013bar

0.8497 kJ/(kg.K)

Cp/Cv ratio at 25° and 1.013 bar

1.141

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

None

Flash Point

None

ISO 817 / ASHRAE 34 Safety Classification

A1

PED Fluid Group

2

Ozone Depletion Potential (ODP)

0

Global Warming Potential (GWP) IPCC AR4/IPCC AR5

1387/1273



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