Model GBN-01 Nitrogen replacement device is ideal for nitrogen replacement upon pipelines on CNG vehicle after leak test

Nitrogen replacement device is used for the task of nitrogen replacement upon pipelines on CNG vehicle after which performed the leak test. 

To perform the replacement, it will firstly evacuate the pipeline by means of  vacuum pump, then charge with nitrogen, repeated charge and release for several times untill the whole procedure is over.

To operate this system, the vacuum pump,vacuum gauge and relative necessary pipelines,valves have to be fitted.