The Schneider Electric MK-8811 (Barber Colman) 5-10#VALVE ACTUATOR is a precision valve actuator designed for use in a variety of industrial and commercial applications. This actuator features a durable construction that is resistant to wear and tear, making it a reliable option for use in high-volume applications. The MK-8811 (Barber Colman) 5-10#VALVE ACTUATOR is also compatible with a variety of valve types, making it a versatile option for use in a variety of applications.