LKO series valve electric actuators are a new generation of products independently developed by our company by improving and perfecting the structure, optimizing the protective performance and key components on the basis of the original mature products. They have the advantages of compact structure, small volume, beautiful appearance and stable and reliable performance. Good protection level can meet the needs of various designs: flameproof type, integral switch type and integral adjustment type. LKO series products are used to control the opening and closing of valves, and are suitable for gate valves, globe valves, shut-off valves and diaphragm valves. Its derivative products can be applied to ball valves, butterfly valves and air doors, etc. It can accurately act according to control instructions and is an essential driving device for realizing remote control, centralized control and automatic control of valves. The performance of this product conforms to the provisions of JB/T8528-1997 (technical conditions for ordinary valve electric devices). The performance of flameproof type conforms to the provisions of GB3836.1- 2000 (Electrical equipment in explosive gas environment Part I: General requirements), GB3836.2-2000 (Electrical equipment in explosive gas environment Part II: Flameproof type "D") and JB/T8529-1997 (Technical conditions of flameproof electric devices).