... and F type are availableApplications:HVACWater treatmentSmall equipment for automatic controlReplacing solenoid valve, particularly when solenoid cannot work ... main parts:Actuator: Heat-resistant ABSSealing: PTFE, silicon rubber ball seat, EPDM and NBR stem seat, NBR o ... valve, actuated valve, motor operated valve, motor actuated valve, automatic valve, control valve, shut off valve, hydraulic valve, ...