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LEAK DETECTION SERVICES

leak detection services

Our constructions (or their elements), which require leak tests, are checked using the helium leak detector SmartTest made by Pfeiffer Vacuum GmbH (model HLT 560). We offer leak testing using the vacuum or negative pressure method with helium (4He, 3He) or hydrogen (H2) as test gases to customers looking for reliable non- destructive testing services. The device is equipped with an infiltration model used for calibration, which ensures accurate indications and continuity of the measurement chain. Selection of leak testing method depends on the characteristics and size of the tested object.

INTEGRAL LEAK DETECTION TECHNIQUE

 

The method used to precisely detect the size of leaks into or out objects under testing. The part under test is filled with helium. Once an acceptable vacuum is achieved, helium is sprayed on the outside of the leaky object and be readily detected by the Smart Test machine. The method enables detecting the leakage up to 10- 12 mbar 1/s. Accumulation Leak Detection Technique can be carried out using Sniffing probe (Sniffing Method) or vacuum method (an object is placed in a test chamber, in which the pressure drops when a vacuum pump is stared).

 

LOCAL LEAK DETECTION TECHNIQUE

 

The method enables to find the location of leakage. In this method the device to be tested is emptied by means of pumping system of SmartTest Detector and then sprayed with Helium from the outside. The gas is taken through the existing leaks towards interior of object under test and then to system of Smart Test detector. This method enables to find leakages up to 10-12 mbar l/s

 

WHY HELIUM LEAK TESTING?

 

Helium is an ideal gas to test leakages. Its advantages are:

 

It is non- toxic and non- flammable

It is chemically inert and does not form explosive mixtures with other gases

It does not affect the environment

It does not cause physical or chemical changes on the surfaces

It is stable under various thermodynamic conditions and its use does not require any special temperature and pressure limits

It has small molecular weight and easily penetrates through the smallest openings

 

PRODUCTS UNDER TESTING

 

Condensers, water condensers and heat exchangers

Ozonators

Freeze dryers

Vacuum chambers and technical tubing

Containers

Parts of air conditioning system

Small parts used in motor and aircraft industry

Electron tubes

Fuel and oil tanks

Parts of technical gas installations

And many more...

leak detection
leak testing
leak testing services

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