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B091M Pressure Ageing Vessel (PAV)


The unit has been developed to simulate the accelerated ageing of bitumen and bituminous binders after 5 to 10 years. The sample is exposed to high pressure and temperature for 20 hours, to simulate the effect of a long time oxidative ageing by verifying the penetration and softening point characteristics.

PAV features include:

  • Touch screen controller with front panel user interface with easy to use step-thru operation.
  • Bench top unit with integral vessel/oven design.
  • USB port on front unit with software upgrades and data storage.
  • Remote capabilities: with APP control PAV with smart phone, tablet or IPad.
  • Timer to set time and date for automatic preheat.

Construction: CE certified vertical stainless steel pressure vessel with encased band heaters and integral pressure measurement control. Temperature is measured by Platinum RTD.


  • Operating pressure: 2.1 +/- 0.1 Mpa
  • Temperature range: 80°C to 115°C, res: 0.1°C
  • Test temperature uniformity: +/- 0.5°C
  • Time to return to set point temperature: less than 60 min.

The unit is supplied complete with:

  • 10 specimen pans AASHTO T179;
  • O-Ring; precision anodized aluminum sample rack;
  • Hex socket wrench;
  • specimen loading/unloading tool;
  • single stage regulator;
  • high pressure hose assembly;
  • instruction manual.
Power supply: 230V 1Ph 50Hz 10A
Dimensions: 760x460x700 mm.
Weight: 130 kg approx.

NOTE: a source of compressed air with a pressure of at least 325 psi and a pressure regulator is required to operate the PAV.


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