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The Bitumen PAV System Vacuum Degassing Oven Pressure Aging Vessel 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.
1. The Bitumen PAV System is composed of PAV-1-1 pressuring aging vessel and PAV-1-2 aging vacuum vessel.
2. The Bitumen PAV 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.
| PAV-1-1 Pressuring Aging Vessel | PAV-1-2 Aging Vacuum Vessel | ||
| Electricity | Power supply | AC(220±10%)V,50Hz | AC(220±10%)V,50Hz |
| Rated power | 1100W | 900W | |
| Rated current | 10A | 10A | |
| Vessel | Volume | 13L | 13L |
| Medium | Air | Air | |
| Rated working temp | 110ºC±5ºC | 180ºC±5ºC | |
| Rated working pressure | 2.1MPa | Absolute pressure 15kPa | |
| Designed pressure | 2.2 MPa | ||
| Safety valve opening pressure | 2.15 MPa | ||
| Explosive pressure for rupture disk | 2.6 MPa | ||
| Pressure controller | Model | WP962-2(WP-D90) | |
| Precision | ±0.01MPa | ||
| Temperature and time controller | Model WP962-1(WP-D90) | Model XMT-E55T2 | |
| Temperature control precision | ±0.1ºC | ±0.1ºC | |
| Grading | 64×1080min | ||
| Outage maintaining function | Yes | ||
| Dimension | 630mm×450mm×500mm | 560mm×390mm×350mm | |
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