DHSV-1 Bitumen Pressure Ageing System is designed and made as per ASTM PS36 and AADHTO PPI.The instrument is applied to evaluate aging of asphalt in the natural environment.
I. DSHV-1-1 Asphalt Pressure Aging Case
1. Power supply:
(1) Power supply: AC 220V±10%, 50 Hz;
(2) Rated power: 1.1 kW;
(3) Rated current of fuse: 10 A;
2. Pressure container
(1) Cubage: 13 L;
(2) Medium: air;
(3) Rated temperature: 110℃±5℃;
(4) Rated pressure: 2.1 MPa;
(5) Design pressure: 2.2 MPa;
(6) Hydrostatic test pressure: 2.75 MPa;
(7) Safety valve opening pressure: 2.15 MPa;
(8) Broken pressure of Safety rupture disk: 2.6 MPa;
3. Pressure controller;
(1) Type: WP962-2 (WP-D90)
(2) Accuracy: ±0.01 MPa;
(3) Timing stage: 64×1080 minutes
(4) Power-off protection: Yes;
5. Size: 630 (Length)×450 (Width)×500 (Height)mm;
II. DSHV-1-2 Asphalt Vacuum Aging Case
1. Power supply: AC 220V±10%, 50 Hz;
2. Rated power: 0.9 kW;
3. Rated current of fuse: 10 A;
2. Vacuum container
(1) Cubage: 13 L;
(2) Medium: air;
(3) Rated temperature: 170℃±5℃;
(4) Rated pressure: Absolute pressure 15 KPa;
(5) Pressure control mode: by a vacuum pressure meter;
3. Temperature and timer controller: XMT-E 55T2
(1) Temperature controlling accuracy: ±0.1 ℃;
(2)Time controlling mode: by buttons;
4. Size: 560 (Length)×390 (Width)×350 (Height)mm;
