Features 6 containers share a set of vacuum pumping system, each pump in the vacuum unit can work for all or part of the container, reflecting the concept of backup design, each container has independent valve control, which can work independently or at the same time . This equipment is mainly used for low-pressure discharge test of space moving parts, high-vacuum long-life test, and has the characteristics of high degree of automation, simple and convenient operation, and stable and reliable long-term operation. 　　Technical performance 　　1. Vacuum degree: ultimate vacuum degree 5×10-5Pa, working vacuum degree≤1×10-3Pa; 　　2. Vacuum chamber size: φ600×800mm; 　　3. Station: 6 stations, which can run simultaneously or independently; 　　4. The degree of automation is high, and one machine can be used for multiple purposes; 　　 5. The equipment has been running continuously for 12 years.