Description

Rotary vane vacuum pump：

1. Extremely high ultimate vacuum;

2. Relatively shorter vacuuming time;

3. Specially designed gas ballast valve accelerates vapor extraction without contaminating the oil;

4. Comprehensive built-in inlet check valve system protects the vacuum system and prevents oil contamination when operation stops;

5. Constant pressure oil circulation supply system protection;

6. Unique exhaust device;

7. Fewer parts, facilitating maintenance and repair.