Vacuum Chamber Helium Leak Test Equipment for Large Heat Exchanger
Basic Techinal Parameters:
|
Test Workpiece
|
Heat Exchanger
|
|
Vacuum Chamber
|
1
|
|
Vacuum Chamber Dimension
|
According to the actual workpiece dimension, no more than 1300L
|
|
Number of Workpiece per Chamber
|
1
|
|
Workpiece Connection Method
|
Fixture positioning, joint sealing
|
|
Leakage Rate
|
1g/a
|
|
Test Cycle
|
6min/pc (Time from chamber door closed to opened)
|
|
Gas for Gross Leakage Detection
|
Nitrogen
|
|
Pressure for Gross Leakage Detection
|
4.0Mpa (Downwards adjustable)
|
|
Gas for Fine Leakage Detection
|
Helium (>99.99%)
|
|
Pressure for Fine Leakage Detection
|
4.0Mpa (Downwards adjustable)
|
|
Connection between Workpiece and Vacuum Chamber
|
The operator plugs one end of the workpiece with a special plug, and seals the other end of the workpiece with a special connector. After the workpiece is transferred into the vacuum chamber, the special sealed male connector of the workpiece is connected to the quick female connector in the vacuum chamber.
|
|
Helium Recovery
|
Automatic recycling system, helium recovery rate≥98%
|
Basic Working Principle
According to the basic principles of helium leak detection, helium as a tracer gas, the workpiece will be filled with helium in the vacuum chamber, and then through a helium leak detector leak can quickly and accurately determine the accuracy of the workpiece’s leakage.
Work Process Chart
