The ATS Pressure Aging Vessel (PAV4) simulates in-service oxidative aging of asphalt binder through exposure to elevated temperatures in a pressurized environment. Our PAV4 has a user-friendly touchscreen and new & improved software, providing the highest level of efficiency and reliability during testing. Each PAV4 meets AASHTO R28, ASTM D6521, and EN 14769 test standards.


  • CE certified
  • Improved recovery time of 30 minutes or less
  • Platinum RTD temperature measurement
  • Rugged, black powder coated exterior
  • Industrial strength touchscreen display and enhanced software
  • Data acquisition features include time, temperature, and pressure
  • USB Port on the front of the unit makes data downloads and software upgrades easy
  • Includes 10 AASHTO T 179 specimen pans and a solid, precision anodized aluminum specimen holder
  • Optional battery backup system prevents test interruption or data loss due to power failure or line voltage fluctuations
  • Languages options include English, German, French, Italian, Chinese, Spanish, and Arabic

Product Specifications

Unit Design

Benchtop unit with integral vessel/oven design

Specimen Capacity

10 TFOT sample trays (included)

Operating Pressure

2.10 ± 0.05 MPa (304 psi)

Operating Temperature Range

Standard: 90°C, 100°C, and 110°C; Programmable from 50°C to 150°C

Product Dimensions

27.5 in W x 18 in D x 30 in H
(700 mm W x 460 mm D x 760 mm H)


290 lb (130 kg)

Power Requirements

208-240 V, 1 ph, 50/60 Hz

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