Leak Testing Machine

K-PAS Dunk tanks are a widely used method for location of leaks in complex assemblies and products with air bubbles present around the leaking area.differential pressure or vacuum decay is used first to qualify a “tight” part before hand, one may then need to locate the leak afterwards using this underwater method. If the part leaks, simple decay of pressure does not show the leakage path. If a part fails the quantifiable test then one method of detecting the leak path is to submerge in water and look for bubbles.

K-PAS DUNK TANK TESTER is used to determine the leak in test product which is used. The Main panel consists of a POWER ON SWITCH and an Auto/Manual Selector switch for the test settings, and a power on Indicator along with Clamp and De-clamp Indicator and finally the Test Result Indication. We can start the process by pressing START button and we have to set the inlet and the charge pressure in the air regulator in the front panel. This process is to test by immersing the test part in Water by submerging it in a tank so that all sides are covered and applied pressure in it so as to check if there is bubbles in it which means there is leak in the part.

K-PAS Air leak testers judge leaks by pressurizing the inside (or outside) of sealed work by air and measuring the pressure change. When the master with no leaks and work with leak are pressurized, the pressure of the work with leak will decrease generating pressure difference between the master and work. The leak is measured from this pressure difference. This differential pressure type air leak test is used for leak check.

A leak is a flow of gas (or liquid) through the wall of a vessel (via an imperfection such as a hole, crack or bad seal). Leaks require a pressure difference to generate the flow; they always flow from higher pressure to lower pressure. Leaks, even when they are small, can have a significant impact on the performance of a part or component or cause equipment to fail. Cracks and faulty seals are often the cause of these leaks, but they can often be detected by conducting vacuum testing on components prior to manufacturing.

Vacuum leak testing is the principal leak test method for testing sealed parts that could have leakage from an external source into their housings and casings. Prime tests for vacuum leak test procedures include:

• Underwater sensors or housings
• Outdoor electrical housings
• Sealed components
• Components associated with vacuum sources