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Home » Products » Bitumen » Pressure aging vessel PAV » Pressure Aging Vessel System PAV

Pressure Aging Vessel System PAV

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This system is designed and made as per industrial standards T 0630-2011 Accelerated Aging Test for Bitumen by Pressure Aging Vessel in JTG E20-2011 Standard Test Methods of Bitumen and Bituminous Mixtures for Highway Engineering and SH/T 0774-2005 Standard practice for accelerated aging of asphalt binder using a pressurized aging vessel (PAV).
It also refers to standards ASTM D6521 and AASHTO PPI. It simulates the accelerated aging (oxidation) process of asphalt binders in service on road by means of pressurized air and elevated temperature.
  • PAV-1
  • PAV-1

Main technical features

1. This system is composed of PAV-1-1 pressuring aging vessel and PAV-1-2 aging vacuum vessel.

2. This system is equipped with a PC which controls all test procedures include high pressure aging test.  


Main technical specifications

(1) PAV-1-1 pressuring aging vessel


Power supply:          AC220±10%V50Hz

Rated power:          1100W

Rated current:          10A


Volume:             13L

Medium:             Air

Rated working temp.:        110℃±5℃

Rated working pressure:       2.1MPa  

Designed pressure:          2.2 MPa

Water pressure:            2.75 MPa

    Safety valve opening pressure:  2.15 MPa

Explosive pressure for rupture disk2.6 MPa

3. Pressure controller

Model:              WP962-2(WP-D90)

Precision:             ±0.01MPa

4. Temperature and time controller        Model WP962-1(WP-D90)

Temperature control precision:    ±0.1℃

Grading:              64×1080min

Outage maintaining function:     Yes

Dimension                                               630mm×450mm×500mm

2PAV-1-2 aging vacuum vessel


Power supply:          AC220±10%V50Hz  

Rated power:           900W

Rated current:              10A


Volume:             13L

Medium:             Air

Rated working temp.:        180℃±5℃

Rated working pressure:      Absolute pressure 15kPa  

Pressure control mode:       Electric contact pressure gauge

3. Temperature and time controller      Model XMT-E55T2

Temperature control precision:   ±0.1℃

Time control mode:        Button

4. Dimension                                      560mm×390mm×350mm


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