CNG Cylinder Testing CNG cylinders are required to be tested periodically every 3 years.
Following are the aspects of cylinder testing :
- De - Pressuring & Degassing of Cylinders.
- Valve Opening.
- Internal and External cleaning of Cylinders.
- Internal Inspections.
- External Inspection (thickness , bulge , burn , denis ,dig)
- Cylinder wall Thickness measurement by Ultrasonic Thickness Tester .
- Hydrostatic Test by Water Jackt method.
- Cylinder Drying & Painting.
- Fixing of Valves.
- Nitrogen Purging
- Test mark sign is used after testing fitness of the Cylinder.
- Assemble & Diassemble of CNG Cascades Delvier the cylinder with Certificate.