A long-term, non-ozone depleting replacement for R-22 in various air-conditioning applications as well as in positive displacement refrigeration systems. For new equipment and retrofits. Not recommended for use in chillers with a flooded evaporator.
Genetron® 407C
General Information
Item | Specification |
---|---|
ASHRAE # | R-407C |
Class | HFC |
Refrigerant Type | Blend |
Typical Lubricant | POE |
Substitutes | HCFC-22 |
Contains | HFC-32 (23%), HFC-125 (25%), HFC-134a (52%) |
Glide | High |
Notes | Commercial Refrigeration: Reasonable performance match to R-22 in medium temperature refrigeration. Lower capacity in low temperature refrigeration systems. Air Conditioning and Heat Pumps: Best retrofit alternative to R-22. Close performance match with slightly higher operating pressures. |
Physical Properties
Property | Value |
---|---|
Chemical Name | Difluoromethane, Pentafluoroethane, Tetrafluoroethane |
Chemical Notation | CH2F, CF3CHF2, CF3CH2F |
Molecular Weight | 86.2 |
Boiling Point (°C) | -43.6 |
Freezing Point (°C) | -160.0 |
Critical Temperature (°C) | 86.0 |
Critical Pressure (bar) | 46.29 |
Liquid Density (kg/m³) 0°C | 1236.22 |
Specific Heat of Liquid @ Constant Pressure @ 25°C (kJ/(kg.K)) | 1.535 |
Specific Heat of Vapor @ Constant Pressure @ 25°C (kJ/(kg.K)) | 1.1343 |
Vapour Density (kg/m³) 25°C | 3.53 |
GWP | 1774 |
ODP | Non-ozone depleting |
ATEL/ODL (kg/m³) | 0.29 |
Practical Limit (kg/m³) | 0.31 |
AIT (°C) | 704 |
Flammable range, %vol. in air (Based on ASHRAE Standard 34 with Match Ignition) | None |
ANSIASHRAE Standard 36-1992 Safety Group Classification | A1 |