Hydro Testing also called as Hydrostatic Testing is a non-destructive
test procedure to check cylinders for leaks, structural flaws, durability, and corrosion.
This process checks cylinders structural integrity as well. An external and internal visual
inspection of the cylinders are also performed.
Steps followed for testing of Cylinders: -
- De-pressuring & Degassing of Cylinders
- Valve opening and Internal Inspection.
- Internal cleaning of cylinders.
- Cylinder Wall Thickness measurement by Ultrasonic Thickness Tester.
- Water Jacket method for Hydrostatic stretch testing.
- Cylinder Drying, Internal / External Cleaning.
- Test mark sign is used after testing the fitness of the cylinder.
- Checking of Tare Weight
- Internal / External Inspection (bulge, burn, dents, dig, cut, pit and line corrosion etc.)
- Fixing of Valves
- Assemble & Disassemble of CNG Cylinder / Cascades
- Deliver the cylinder with Certificate and compliance plate if found suitable.
