Chemistry diaphragm pump MZ 2C EX two stage, 230 V / 50 Hz with ATEX approval: pumping chamber (pumped gases): II 2G Ex h IIC T3 Gb X environment (without inert purge gas): II 3G Ex h IIB T4 Gc X environment (with inert purge gas): II 2G Ex h IIB T4 Gb X motor: II 2G Ex db IIB T4 Gb incl. switch for manual reset, safety protective switch, cable without plug