Other Instrument

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.

I. PAV-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°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

5. Size: 630 (Length)×450 (Width)×500 (Height)mm

II. HW-PAV-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°C±5°C

(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 °C

(2)Time controlling mode: by buttons

4. Size: 560 (Length)×390 (Width)×350 (Height)mm