Reinspection of gas cylinders

The laboratory offers the following services:

• Visual control: aimed at validating both the internal and external surface of the container.
• Hydrostatic test: after the visual inspection, the container is subjected to a pressure test with an incompressible liquid (water or oil) at a pressure which depends on the operating pressure of the container. After this pressure a further visual inspection must be carried out to ensure that the container is not permanently deformed or damaged.
• Ultrasonic (US) inspection: In some cases, the hydrostatic test is replaced or supplemented by a measurement of the thickness of the cylinder walls.
• Pneumatic test: Depending on the requirements of certain manufacturers or users, we proceed to pressure build-up using an inert gas. The leakage is then checked by maintaining the pressure on the pressure gauge and using a "1000 Bulles" type leak detector.
• Additional markings: In the diving world, gas usage is changed regularly. We stamp an official mark on the cylinders in accordance with the previously required regulations.

Bottles that we check

• Steel, composite and aluminium cylinders.
• Steel, composite and aluminium firefighter cylinders.
• Steel, composite, aluminium, forged and welded stainless steel cylinders for the transport of industrial gases.
• Stainless steel, aluminium welded cylinders for aero states (hot-air balloons).
• Steel, composite, aluminium cylinders for aircrafts
• Tanks and reservoirs, LPG LPI
• CNG cylinders
• The buffer bottles
• Cylinder racks
• Stainless steel sample bottles
• Various assemblies requiring a test and a water-tightness certificate
• Safety cylinder (type SIGRI)