Profile: Marsh Automation provides electrical activators, motorized valves, pneumatic valves and electrical/pneumatic actuators. Our electric actuators are electromechanical units used for operating the final control elements like valves or dampers to control the flow of fluids flowing through the pipes or ducts. Our electric actuator consists of an electric motor used as a prime mover and a gear box to reduce the speed & to increase the torque at the output end. Our manual loader is a simple control panel having an auto manual selector switch, open/close push buttons, opened/closed LED indications and percentage opening digital indicator.