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.

 

I. GDV-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;