Bitumen PAV System(Pressure Aging Vessel)

Summary

This PAV 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 covers the accelerated aging (oxidation) of asphalt binders by means of pressurized air and elevated temperature.

I. Main technical features

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

2. This PVA system is equipped with a PC. The high pressure aging test is controlled by a PC. All test procedures can be controlled by a PC.

II. Main technical specifications

(1) PAV-1-1 pressuring aging vessel

1.Electricity

Power supply: AC(220±10%)V,50Hz

Rated power: 1100W

Rated current: 10A

2.Vessel

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 disk: 2.6 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

1. 5. Dimension: 630mm×450mm×500mm

2. 
   (2)PAV-1-2 aging vacuum vessel

   1.Electricity

   Power supply: AC(220±10%)V,50Hz

   Rated power: 900W

   Rated current: 10A

   2.Vessel

   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

III.Package List

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