R502

The following table shows the data for R502 and alternative refrigerants.

ODP: ozone depletion potential
GWP: global warming potential according to EN 378:2017; AR4: Fourth Assessment Report of the IPCC, AR5: Fifth Assessment Report of the IPCC, AR6: Sixth Assessment Report of the IPCC
pract. limit AEL: assigned exposure limit according to EN 378:2017
Temperature glide: Total glide from bubble to dew line, based on 1.013 bar. Real glide depends on operating conditions.
Relative refr. capacity and discharge temp. increase: Reference refrigerants are those listed under "Substitute for", performance data are average values based on calorimeter tests.
(H): high temperature application
(M): medium temperature application
(L): low temperature application
Data is based on publications of various refrigerant manufacturers and is subject to change.

R502 and alternative refrigerants

R502

R404A

R507A

R22

Chemical

CHClF2

Group

CFC

HFC

HFC

HCFC

Components

R22/ 115

R143a/ 125/ 134a

R143a/ 125

Name

chloro-difluoro-methane

Manufacturer

Substitute for

R502, R22

R502, R22

R502, R12

Application max (°C)

10

0

0

12

Application min (°C)

-50

-45

-45

-45

Appl. limitations max (°C)

7

7

Appl. limitations min (°C)

0

0

Appl. 2-stage max (°C)

-30

-30

-20

Appl. 2-stage min (°C)

-70

-70

-50

Oil 1

AB

POE

POE

MO

Oil 2

PVE

PVE

AB

Oil 3

Oil with limitations 1

AB

AB

Oil with limitations 2

PAG

Molar mass

111,64

97,6

98,86

86,47

Normal boiling point (°C)

-45,4

-46,2

-46,7

-40,7

Normal dew point (°C)

-45,4

-45,5

-46,7

-40,7

Temperature glide (K)

0

0,7

0

0

Crit. temp. (°C)

82

72

71

96

Crit. pressure (bar)

40,7

37,35

37,05

49,9

ODP

0,33

0

0

0,055

GWP AR4

4657

3922

3985

1810

GWP AR5

4790

3940

3990

1760

GWP AR6

4728

4775

1960

Cond. temp. at 26 bar abs (°C)

60

56

54

63

Cond. temp. at 40 bar abs (°C)

85

Relative refr. capacity (%)

105

107

80 (L)

Discharge temp. increase (K)

-34

-34

35

Safety class

A1

A1

A1

A1

Pract. limit AEL (kg/m³)

0,45

0,52

0,53

0,3