The Q series valve electric actuator is suitable for small and medium-sized butterfly valves, ball valves, and other similar equipment that perform 90 ° rotation. As a stable and reliable angular stroke actuator, it can be suitable for the needs of different control systems and working environments. The integrated design of the transmission mechanism makes the product have a smaller volume and a simple appearance. Safe and reliable manual design, fully automatic manual/electric switching without switching handles. A good level of protection can meet the needs of various designs: explosion-proof, integral switch, and integral adjustment.