4Inch 100Mm Stainless Steel Solenoid Valve Stainless Steel Air Valve Air Volume Control Valve Electric Air Valve Stainless ,Durable Materia

This product consists of valve and actuator, with compact size, long service life and high torque force The polished stainless round pipe with actuator make the damper crossion resistant, stable and elegant appearance The valve plate is made of stamped aluminum, working with sealing gaskets Good accessibility and good sealing performances It can work with thermostat, open / close automatically, work quietly and economically Damper actuator will cut off power automatically when fully open / close