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Helium Charged - Vacuum Test

LEAK TESTING ON CAR AIR CONDITIONER HOSES

Double Chamber machine for A/C hoses - standard and coax parts. Principle of measurement: Global test with mass-spectrometer.

Helium Charged - Vacuum Test
BENEFITS
  • 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 toolings
  • Totally customizable HMI interface
DESCRIPTION

The machine provides two vacuum chambers, with automatic opening and closing of the lids, assembled on welded and painted steel frames covered by removable panels. The access to the chambers is protected by light curtains. Behind the chambers is placed the vacuum pumping system, housed on a wheeled support frame inside a soundproofed and ventilated cabin. The pumping system, as well as the leak detector, is shared between the chambers. The cabinets containing the electric switchboard and the analysis system - both them are provided with an airconditioning system to manage high temperature condition - are fixed to the pump cabin, while the pneumatic boards for the distribution of the air and the helium are housed within two cabinets fixed to the vacuum chamber’s frame.
All the vacuum pipes and vacuum valves are provided with resistances to manage high humidity conditions. 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.

TECH SPECS

Productivity: a) 180 parts/h for A/C hoses single parts with n°4 A/C hoses tested per chamber, b) 90 parts/h for Coax hoses with n°2 A/C hoses tested per chamber, c) 90 parts/h for double line hoses n°2 A/C hoses tested per chamber  - Reject threshold: 5 g/year of R134a, equal to 2,2 E-5 mbar*l/s of helium  - Test Pressure (max): 40 bar

VERSIONS

Attached pictures of different layout versions described below:

P287-01

Leak Test machine with 3 chambers layout, 3rd chamber for testing long parts with Recovery system. Productivity: a) 250 parts/h with n°4 A/C hoses 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.

P287-02

Leak Test double chamber machine with 90° layout. Productivity: a) from 100 to 204 parts/h, depending on the type of cycle with n°2 A/C hoses tested per chamber - Reject threshold: 3 g/year of R134a, equal to 2,0 E-5 mbar*l/s of helium  - Test Pressure (max): 45 bar.

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