J.U.M. Engineering GmbH

Micro Leak Detector for Filled Aerosol Cans


Source: J.U.M. Engineering GmbH

Aerosol Can Micro Leak Detectors for the Water Bath Alternative. These high speed Aerosol Can Micro Leak Detectors are designed by J.U.M. And Bautz Engineering to be applied as the testing unit of the verified water bath alternative, or to be applied after a high speed hot water bath to leak test mono-block aluminum cans. Our Machines detect leaks of all LPG propellants, AP70 (C3/C4 blend), ISO-pentane, n-pentane, DME and any other hydrocarbon mixtures, including HFCs like 134A, 152A, 227EA, R134A/R152A-Blend and HCFCs like 142b and others. With 2.0 x 10-3 mbar.l.s.-, which converts to 1x2 mm bubble/sec and smaller, the detected leakage rates are in full compliance with all currently existing regulations.

While using only one sensing barrier the AeroFid family of micro leak detectors avoids critical and expensive multiple sensing heads for testing up to 250 cans per minute. For up to 500 cans per minute only two sensing barriers are used and the footprint is only slightly larger.

The performance of current hot water-bath systems for one peace aluminum cans will be drastically improved by applying our long proven technology. Leaking cans are automatically rejected by the integrated mechanism. All that at a total foot print of only 900 X 900 mm.

During the past 12 months we have installed 19 machines at different aerosol fillers throughout the UK. The array of leak detectors currently installed and in use spans our 3 basic versions from up to 80 cans per minute, 120 cans per minute to 250 cans per minute. With the exception of three machines which are used after the hot water bath for aluminum cans, all other machines are used in compliance with the hot water bath alternative.

 Features and Benefits, Quick Overview:

  • Wide dynamic range. Rapid detection of all hydrocarbon propellant gases and HFCs.

  • One calibration gas for all detectable propellant gases

  • 1 x 2mm (or smaller) bubble per second detection

  • Up to 250/ 500 cans per minute

  • Reliable, robust and easy to install and maintain

  • Very low maintenance and minimal need consumable parts

  • Low cost of ownership (through life cost)

  • No upgrades needed

Up to testing speeds of 250 cans per minute and more our machines are officially verified by accredited 3rd party testing body to be fully compliant with the ADR 2007 directive and the BAMA standard. 

  • Our machines are installed and used in the Aerosol industry for over 27 years

  • They detect micro leaks of 2.0 x 10-3 mbar.l.s.-1 or smaller (1x2mm bubble/sec)

  • Very small foot print of 900 X 900 mm

  • Our leak detector meet all current international regulations including ADR 2007/ 2009

  • Detector uses high speed single analyzer for up to 250 cans per minute and second analyzer for 250 to max. 500 cans per minute

  • Adjustable micro leak reject threshold for all leak sizes

  • Height adjustable for all available can sizes

  • Used for all types and sizes of aerosol cans in the household, toiletry, cosmetics, pharmaceutical and chemical industry, including medical MDIs

  • Detector is not in risk of contamination or poisoning

  • No detector cleaning required for a minimum of 12 months

  • Machine is easily calibrated in just a few minutes by operator personnel

  • Linear response of detection system for all hydrocarbons, CFC and HFA

  • Carousel machines in various sizes available

 Here is a summary of compliance available from the Bourgoynes Verification Report:

  • The machines AeroFid-200, AeroFid-100 and AeroFid-60, as supplied by Raupack in the UK and by Bautz Engineering in Germany and other countries fulfill the requirements of recent UN/SCTDG/25/INF.93/ FEA regulations and the ADR 2007/ 2009 regulations for micro leak tester for filled aerosols. The machines are officially certified as the testing part of Water Bath Alternative method to detect leaks of 2.0 x 10-3 mbar.l.s.-1 of all hydrocarbon based propellants including all HFA and CFC propellants.., or smaller .

  • The machine has sufficient controls in place so as to present minimal risk of explosion.

  • Presenting no additional zoning requirement to its environs, and having an internal zone classified as nonhazardous.

  • The machine can be considered as complying with the BAMA standard.

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