Inner injector Hardened steel TM33

The inner injector is inside the injector. It is used to create a vacuum between air pressure/CO2 medium, thus creating a vacuum, which with the help of TM33 can adjust the amount of consumption. The material is hardened to extend the service life. When one side is worn, it can be moved 45 degrees. to which the nozzle should only be used for a long time.