This instrument is based on the petrochemical industry standards of the People's Republic of China SH/T 0774-2005 《 Asphalt accelerated aging test method ( PAV The requirements stipulated in the Law) are designed and manufactured, and referenced ASTM D6521，AASHTO PPI The test method of this system is a special equipment for evaluating the aging conditions of asphalt natural environment.
 
1. Main technical characteristics
1、This system is PAV-1-1 Asphalt pressure aging box and PAV-1-2 Asphalt aging vacuum box.
2、The manufacturing, installation and use of this system complies with the relevant provisions of the "Regulations on Safety Supervision of Special Equipment".
3、This system can be equipped with a computer, and the high-voltage aging test is controlled and supervised by the computer, and the entire test process is completely automatically completed by the computer control.
4、All technical indicators of this system meet the requirements of similar imported equipment, and are an ideal alternative product for imported equipment.

2. Main technical parameters and indicators
 （one), PAV-1-1 Asphalt pressure aging box
1、powered by
 Power supply voltage:                 AC 220V±10%  50Hz；
 Rated power: 1100 W。

2、Pressure vessel
 Working capacity: 13 L；
 Working medium: Air；
 Rated working temperature: 110 ℃±5℃；
 Rated working pressure: 2.1 MPa；
 Safety valve opening pressure: 2.15 MPa；
 Blasting pressure of safety blasting disk: 2.6 MPa。

3、Pressure Controller
 Model specifications:                 WP962-2(WP-D90)、Digital；
 Accuracy:                     ±0.1℃；
 Time range: 64 ×1080min；
 Power off-retention function: Yes；
 Dimensions: 630 mm×450mm×500mm（ long ×Width ×high).

 （two), PAV-1-2 Asphalt aging vacuum box
1、powered by
 Power supply voltage:                 AC 220V±10%  50Hz；
 Rated power: 900 W。

2、Vacuum container
 Working capacity: 13 L；
 Working medium: Air；
 Rated working temperature: 170 ℃±5℃；
 Rated working pressure: Absolute pressure 15 kPa。

3、Temperature and time control instrument
 Model specifications:                 XMT-E55T2、 Digital；
 Accuracy:                     ±0.1℃；

4、Dimension 560 mm×390mm×350mm（ long ×Width ×high)