Heating &
Air Conditioning
Audi TT Quick Reference Specification Book • May 2009
105
Refrigerant R134a Vapor Pressure Table
Temperature in°C
Pressure in bar
(positive pressure) of R134a
-45
-0.61
-40
-0.49
-35
-0.34
-30
-0.16
-25
0.06
-20
0.32
-15
0.63
-10
1.00
-5
1.43
0
1.92
5
2.49
10
3.13
15
3.90
20
4.70
25
5.63
30
6.70
35
7.83
40
9.10
45
10.54
50
12.11
55
13.83
60
15.72
65
17.79
70
20.05
75
22.52
80
25.21
85
28.14
90
31.34
