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Genetron
®
409A
Genetron
®
409A
An interim replacement for R-12 in refrigeration systems. For low- and medium-temperature retrofits.
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General Information
ASHRAE #
R-409A
Class
HCFC
Refrigerant Type
Blend
Typical Lubricant
Alkylbenzene
Substitutes
CFC-12
Contains
HCFC-22 (60%), HCFC-124 (25%), HCFC-142b (15%)
Glide
High
Notes
In most cases, no oil changes is needed. Good broad range R-12 substitute.
Physical Properties
Chemical Name
Chlorodifluoromethane, Chlorotetrafluoroethane, Chlorodifluoroethane
Chemical Notation
CHClF
2
, CHClFCF
3
, CClF
2
CH
3
Molecular Weight (lbm/lbmol)
97.4
Boiling Point @ 1 Atm, (°F)
-30
Critical Temperature (°F) (ASTM D-1321)
228.66
Critical Pressure* (psia)
682.66
Saturated Liquid Density @ 86°F, (lb/ft
3
)
74.6
Specific Heat of Liquid @ 86°F, (Btu/lb•°F)
0.3
Specific Heat of Vapor @ Constant Pressure* (Cp), @ 86° and 1 Atm, (Btu/lb•°F)
0.15
Flammable range, %vol. in air (Based on ASHRAE Standard 34 with Match Ignition)
None
ANSI/ASHRAE Standard 34-1992 Safety Group Classification
A1