Radiator Pressure Cap:
Sunraj Industries exports Radiator Pressure Caps of various sizes like Micro, Mini, Small and Medium of various pressures rating as per customer requirements.
Radiator Caps are pretty simple in appearance, but looks can be deceiving. Each part of the cap performs a special function:
Product Range:
Pressure Cap |
Pressure |
Specification | Size |
13 PSI (0.9 Kg/cm2) 16 PSI (1.1 Kg/cm2) |
- | Micro Cap [For 41 mm dia Filler Neck] |
|
13 PSI (0.9 Kg/cm2) 16 PSI (1.1 Kg/cm2) 7 PSI (0.5 Kg/cm2)* |
SAE -J-164 (Reaffirmed FEB97) |
Mini Cap [For 43 mm dia. Filler Neck] |
|
7 PSI (0.5 Kg/cm2) 11 PSI (0.8 Kg/cm2) 13 PSI (0.9 Kg/cm2) 14.2 PSI (1.0 Kg/cm2) 16 PSI (1.1 Kg/cm2) |
SAE -J-164 (Reaffirmed FEB97) & IS - 12996 |
Small Cap [For 57 mm dia. Filler Neck] |
|
7 PSI (0.5 Kg/cm2)* | - | Medium Cap [For 68.5 mm dia. Filler Neck] |
Pressure Cap Testing Process:
7. Torque test for assembly setting.
8. Open pressure difference test.
9. Pressure opening test.
10. Valve disk riveting.
11. Salt spray test of cap cover.
12. Chemical analysis.
Dimensions:
Technical Details of Radiator Pressure Cap:
Nominal Pressure Rating kPa |
Nominal Pressure Rating psi |
A mm |
B mm |
C mm |
D mm |
E Max mm |
Mini | ||||||
83-110 |
12–16 |
10.70–11.70 |
11.20–12.00 |
39.2–40.0 |
43.43–43.80 |
66.0 |
97–124 | 14–18 | 10.70–11.70 | 11.20–12.00 | 39.2–40.0 | 43.43–43.80 | 66.0 |
Small | ||||||
21–34 | 3–5 | 10.92–11.94 | 14.73–15.62 | 50.80–52.32 | 57.15–57.79 | 80.26 |
41–55 | 6–8 | 14.22–15.24 | 14.73–15.62 | 50.80–52.32 | 57.15–57.79 | 80.26 |
62–76 | 9–11 | 14.22–15.24 | 14.73–15.62 | 50.80–52.32 | 57.15–57.79 | 80.26 |
83–110 | 12-16 | 20.83–21.84 | 14.73–15.62 | 50.80–52.32 | 57.15–57.79 | 80.26 |
97–124 | 14-18 | 20.83–21.84 | 14.73–15.62 | 50.80–52.32 | 57.15–57.79 | 80.26 |
Medium | ||||||
21–34 | 3–5 | 9.14–10.16 | 13.72–14.61 | 62.74–64.26 | 69.34–69.98 | 92.71 |
41–55 | 6–8 | 15.49–16.51 | 13.72–14.61 | 62.74–64.26 | 69.34–69.98 | 92.71 |
62–76 | 9–11 | 15.49–16.51 | 13.72–14.61 | 62.74–64.25 | 69.34–69.98 | 92.71 |
83–110 | 12–16 | 20.83–21.84 | 13.72–14.61 | 62.74–64.25 | 69.34–69.98 | 92.71 |