These are 360° turn gear actuators, working with electrical equipments, which ratio can be choosed by valve open time. They are suitable for gate valve,  globe valve, T-Cock ball valves,butterfly valves, ａnd plug valves etc.The housing  is  precisely cast, with  fresh pattern ａnd nice appearance. Transmit by spur gear, deep groove ball bearing ａnd thrustl  bearing combination makes the transmission more flexible ａnd efficient. The connecting part of gear ａnd valve stem can be uni-body or seperated optionally.The connectting flange adapts to I.S.O.5211 makes it easy working with valves.Protection grade can be IP65, IP68 ａnd Immersion mode according to customers requirements.