Quick shut off valve to prevent liquid chlorine to penetrate into dosing units The quick shut off valve shall be electric type according to your specifications which are as follows : ball valve model MF RA66 TCBF ,DN 25 with electric actuator,end connection DIN 2512,shape N,flanged ends are groove,working pressure 16 bar Material resistant to chlorine gas and liquid Actuator electric model RO, Voltage 230 volt,50 hz complete with limit switches and to be gas proof,the actuator should be complete with its own power supply,this one have an accumulator which will be activated in case of power lost and close the valve