... + CR 7 Travel switch 8 bracket Q253 9 nut 2H 10 actuator Double acting 11 Solenoid valve 12 filter Features1, best choice ... be replaceable.3, one piece body, uni-directional type4, Operation : double acting pneumatic actuator5, Working pressure:DN 50 to DN 250 ... : 10 kg/c㎡DN 300 to DN 400: 6 kg/c㎡ ...