Worksite protection splice
dry air pressure systems


As specialists for many years in leak location using tracer gas, we work on all kinds of industrial applications, providing both services as well as complete test systems.

The tracer gas used is a mixture of 5% hydrogen and 95% nitrogen. This is non-flammable, non-toxic and non-corrosive, and has several unique characteristics which ensure that this is an excellent tracer gas for leak detection.
On this basis,
the test works on the principle of injecting the circuit or piece under test with the gaseous mix at a pressure which is deemed appropriate on a case-by-case basis.

The leak is then detected and located using different means, depending on the environment and type of inspection to be performed :
     » Using a hand-held, surface, or conduit sensor
     » Using an inspection system with automatic seal inspection   
     » Using an automated system for pressurisation followed by detection using a hand-held sensor
     » Using a cumulative measurement bell. The bell may be manual or fully integrated into a mass production line

These seal inspection methods operate completely independently of pressure and temperature variations.

We offer extremely sensitive hydrogen-based detection tools which enable the detection, location or quantification of gas leaks of 1 x 10-6 cc/s.



Leak location on pressurised telephone cables in the Orange France network

Leak location on transmission and inter-exchange cables, splice protectors, stoppers and any other pressurised component of the Orange France telephone network.

Detection is performed using manual, surface (detection through the ground) or conduit sensors.

Leak location for the automotive industry

Automatic inspection panel for vehicle sealing.
For use in finishing positions, this panel performs seal inspections for the fuel supply circuits of LPG-powered vehicles.

Inspection of water or gas circuits on boiler assembly lines

Leak detection using hand-held sensors on a boiler water circuit. The tracer gas within the circuit under inspection is automatically pressurised by the detection device.

Manual seal inspection panel using an accumulation bell

The piece under test is placed in an accumulation bell and then pressurised using tracer gas.

The leak inspection is then performed using an automatic sensor which measures the quantity of hydrogen escaping in the volume between the room and the bell.

An extremely precise method for quantifying leaks ; after opening the bell, the leak can then located using a hand-held sensor.  

Fully automated assembly line for heavy-equipment manufacturers.

This fully-automated assembly line for seal inspections ensures 100% testing of products without hampering production rates.
Measurements are taken using an accumulation bell.


                                                                  PSA Peugeot Citroën Zehnder Baxi        
ADECEF Technology - 10 rue du Côteau - F-54180 HEILLECOURT France- Tel. : +33 3 83 52 75 62 - Fax : +33 3 83 52 72 05