Part of rotary valve electrical device is applicable for butterfly valves, ball valves, plug valves and damper baffle which make 90 degee's rotation. Q is all-in-one style and DQ is overlapping type (Z-type electric fitting and double-articulated reductor ) .it is used to control the valves' state of openning, closing and regulating, It is not only applicable for remoting control but on-site control.
It is widely used in electric power, metallurgy, petroleum, chemical, food, textile, paper, pharmaceutical, water, sewage treatment and other departments.