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R-290 Propano

COOOL R290 is a natural refrigerant gas, with multiple applications in fixed commercial refrigeration, especially in refrigerator/freezer cabinets with integrated group, and for small refrigerators such as distributors and small domestic refrigerators.

Its main characteristics are:

  • High refrigerating power
  • GWP - Global Warming Potential = 3
  • ODP - Ozone Depletion Potential = 0
  • Availability at a constant price

As R-290 is a pure HC hydrocarbon, it falls into the ASHRAE A3 safety category, among highly flammable products. Precisely because of this particular characteristic, the reference standard allows for limited charges in equipment using technology, effectively restricting the size of the equipment itself. The thermodynamic characteristics of this product make it very suitable for use in plug-in systems at low and medium temperatures.

Composition

Purity

Impurities (ppmp)

Supply

mode

Capacity (l)

Contents (kg)

C3H8

≥ 99.5 %

H2O ≥ 10 ppm

Incondensable ≥ 5 ppm

Welded cylinder

80 l

33 kg

Steel cylinder

20 l

8 kg

Maximum degree of filling: 0.42 kg/l                                                                      Valve connection: UNI 11144-1H ex UNI 4405

Chemical and physical properties

Physical state

Liquefied gas

Molecular weight

44.1 g/mol

Boiling point at 1.013 bar

-42.1°C

Critical temperature

96.7°C

Critical pressure

42.5 bar

Saturated liquid density at 25°C

492 kg/m3

Saturated vapour density at 1.013 bar

20.6 kg/m3

Vapour pressure at 25°C

9.5 bar at

Vapour pressure at 50°C

17.1 bar at

Appearance/colour

Colourless gas

Odour

Slight characteristic odour

ODP

0

GWP

3

Flammability limit in air1

1.7.-10.8%vol

Safety classification (ASHRAE 34)

A3

*:at 25 °C and 1.013 bar