vacuum piping的意思|示意

6although the vacuum piping system passes the gas leakage test it shall also bear a test of vacuum degree prior to the linkage trial run of the vacuum system.

6真空管道在气体泄漏性试验合格后，真空系统联动试运转时，还应进行真空度试验。

Piping service include fire protection piping, chilled process piping, hot water pipings, steam piping, hot vacuum piping, cold vacuum piping. drain water, city water piping etc.

管道工作包含消防管，冷凝水管，热水管，蒸汽管，热真空管，冷真空管，雨水管及城市水管。

Vacuum solenoid valve, is used for vacuum piping system, or vacuum equipment, electromagnetic valve is used to control the vacuum.

是指用于真空负压管道系统，或者真空设备上，用来控制真空的开关的电磁阀。