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Helium Charged - Vacuum Test


Double Exchangable "Shell" shaped Chamber machine for Condensers. Principle of measurement: Global test with mass-spectrometer.

Helium Charged - Vacuum Test

The machine provides two removable and exchangeable vacuum chambers, with manual opening and closing of the lids, assembled on welded and painted stainless steel frame. Below the chambers it is placed the vacuum pumping system. The pumping system, as well as the leak detector, is shared between the chambers. The chambers have separate accesses. The cabinets contain the electric switchboard, the analysis system - both them are provided with an airconditioning system - and the pneumatic boards for the distribution of the air and the helium are enclosed within the frame.
HMI is made by a touch-screen colour monitor and one remote control box with the push-buttons and light signals for the operator. The equipment provides separate outlet ports for helium and air discharge and it is engineered to be connected to a helium recovery system. A sniffer with 5 m tube is provided to carry out a manual leak search. The machine is also provided with one barcode label printer reader fixed to the machine’s structure. Once the test is completed, the printer prints the barcode label and the operator sticks it in a dedicated area for the condenser. The automatic reader reads and check the label and unblocks the test tools if the result is OK or NOK. The machine is manufactured in the color required from the customer.

  • Dedicated pumping system for the analysis - Total flow
  • Pumping system placed on a cart for easy maintenance
  • Dedicated Electric and Pneumatic cabinet
  • Ventilation and Sound proofing of the pumping system
  • Removable & Exchangeable vacuum chambers and toolings
  • Totally customizable HMI interface

Productivity: 80 parts/h with n°1 part tested per chamber at 100% efficiency  - Reject threshold: 3 g/year of R134a, equal to 2,0 E-5 mbar*l/s of helium - Test Pressure (max): 40 bar


Attached pictures of different layout versions described below:

Double Exchangable "Shell" shaped Chamber machine for ATOC. Productivity: a) 90 parts/h with n°1 part tested per chamber (possibility to enhance productivity with double ATOC fixture per each chamber with a total productivity reach of 146 pcs/h) - Reject threshold: 4,36 E-4 mbar*l/s of helium at 20 Bar  - Test Pressure (max): up to 40 bar.


Leak Test double chamber machine with sliding cart for loading/unloading. Productivity: a) 140 parts/h n°1 part tested per chamber - Reject threshold: 3 g/year of R134a, equal to 2,0 E-5 mbar*l/s of helium  - Test Pressure (max): 40 bar.



Leak Test double chamber machine with inclined chambers 30° for easier loading/unloading. Productivity: a) 120 parts/h n°1 part tested per chamber  - Reject threshold: 5 g/year if YF1234 @ 20% of helium (and 80% Nitrogen) - Test Pressure (max): 40 bar.



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