GDV-1 Bitumen Pressure Ageing System
The instrument is designed and made as per ASTM PS36 and AADHTO PPI. It is used to evaluate aging of asphalt in the natural environment.
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°C±5°C;
(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;