China Mechanical Limit Switch Sectional Door Machine for Medium Duty聽Introduction This sectional door machine medium duty is mainly used in the industrial sectional door equipped with balance spring, but also can applied in lifting industrial door. The installation of door machine has two forms, shaft drive and chain drive. The factory standard configuration is shaft drive. If user want to adopt chain drive installation, they can choose the appropriate combination of sprocket chain according to the installation needs. Technical Parameters Model聽GK60 Power Supply400W Torque60N.m Lubricating SystemOil-immersed Noise鈮?5dB Output Shaft Diameter桅 Extensive production experience: We have extensive product experience and industry experience. We were founded in 2009, is a well-known manufacturer in international gate automation industry. Before the mass production, we always make sample first, and conduct quality inspection before shipment. 聽 How can I place an order? You can contact any of our salesmen for machine and order details. Please tell us your requirements as clearly as possible when making an inquiry, so that we can send you a quotation as soon as possible. 聽China Mechanical Limit Switch website:http://www.gatexpert-store.com/sectional-door-operator-kit/mechanical-limit-switch-sectional-door-operator/