gasket. The gasket will soften and develop a satisfactory seat after it is put in operation on the vehicle filler
neck for a short time.
For the same reason, caps removed from cars and tested should be removed from the tester adapter and
re-applied several times as the gasket will retain the seat impression of the filler neck for some time which
may not coincide exactly with the seat in the adapter on one application.
4 PSI
7 PSI
10 PSI
13 OR 14 PSI
Pounds
1
2
3
4
5
6
7
8
9
10
11
12
13
Radiator Cap Pressure Ranges
3-5 Lbs
6-8 Lbs
9-11 Lbs
12-16 Lbs
Pressure Release Level Conversion Chart
kPa
6.89
13.78
20.68
27.57
34.47
41.36
48.25
55.15
62.04
68.94
75.83
82.72
89.62
- 13 -
15 OR 16 PSI
18 PSI
20 PSI
30 PSI
BAR
0.06
0.13
0.20
0.27
0.34
0.41
0.48
0.55
0.62
0.68
0.75
0.82
0.89
14-18 Lbs
16-20 Lbs
18-22 Lbs
28-30 Lbs
Millibar
6.8
13.7
20.6
27.5
34.4
41.3
48.2
55.1
62
68.9
75.7
82.6
89.5