| |
| Testing Carried Out for Pressure Cap : |
| |
|
| 1. |
Main valve opening. |
| 2. |
Vacuum valve opening. |
| 3. |
Top seal testing. |
| 4. |
Assembly fitting. |
| 5. |
Spot welding strength. |
| 6. |
Spring test |
| |
| • |
Spring load test. |
| • |
Helical spring endurance test. |
| • |
Vent valve spring endurance test. |
| • |
Plate spring endurance test. |
|
| 7. |
Torque test for assembly setting. |
| 8. |
Open pressure difference test. |
| 9. |
Pressure opening Cpk. |
| 10. |
Valve disk riveting. |
| 11. |
Solt spray test of cap cover (outside). |
| 12. |
Chemical analysis (outside). |
|
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