Advanced Instruments Co.,Limited
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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
5. Dimension: 630mm×450mm×500mm
(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
| 1 | PAV-1-1 pressuring aging vessel | Set | 1 |
| 2 | PAV-1-2 aging vacuum vessel | Set | 1 |
| 3 | Data collect softwware CD | Piece | 1 |
| 4 | Reducing valve and pipe fitting | Piece | 1 |
| 5 | Air supply hose | Piece | 1 |
| 6 | 30mm socket spanner | Piece | 1 |
| 7 | 14-17mm open spanner | Piece | 1 |
| 8 | Serial port line | Piece | 1 |
| 9 | O type seal ring(Φ5.7×258) | Piece | 4 |
| 10 | O type seal ring(Φ2.65×126) | Piece | 2 |
| 11 | Tripod | Piece | 1 |
| 12 | Specimen disc | Piece | 10 |
| 13 | Instrument usage manual | Piece | 1 |
| 14 | Safety valve product qualification certificate | Piece | 1 |
| 15 | Usage manual | Piece | 1 |
| 16 | Quality certificate | Piece | 1 |
| 17 | Product warranty | Piece | 1 |
