Pump chamber Binder VDL 23 with vacuum pump VP5 EX - 230 V / 50-60 Hz option model, Pump chamber for installation of vacuum pumps. Including ATEX chemical membrane pump with nominal pumping speed 1.9 m cubed/hour, final pressure 12 mbar, 230V/50Hz.ATEX conformity: suction chamber (pumped gases): II 2G Ex h IIC T3 Gb X; exterior with inert gas flushing: II 2G Ex h IIB T4 Gb X; exterior without inert gas flushing: II 3G Ex h IIB T4 Gc X motor: II 2G Ex db IIB T4 Gb