Vacuum Auto Changeover

Vacuum Auto Changeover Module is provided to have continuous gas flow without interruption. Two Vacuum Regulator are mounted on two cylinders or Tonners. The outlet pipes from the Vacuum Regulator are connected to either side of the Auto Changeover Module. The outlet from the Auto Changeover Module is connected to Injector through a Rotameter and Flow Control Valve assembly. When the Injector is switched on chlorine from one of the tonners flows through the Auto Changeover Module. Once the operating tonners become empty than Vacuum is developed inside the Auto Changeover Module and activates the toggle switch assembly which switches over to the other filled tonner.