This series of electric device can be remote control, but also field operation. Widely used in electric power, metallurgy, petroleum, chemical, food, textile, paper, pharmaceutical, water and sewage treatment and other industries.

The performance of the products meet the t8528-1997 "common type valve electric device technical conditions" provisions; flameproof performance with gb3836.1-2000 the explosive gas environment with electrical equipment Part 1: General requirements ", gb3836.2-2000" explosive gas environment with electrical equipment - Part 2: flameproof type "d" and JB/T8529-1997 the flameproof type valve electric device technical conditions "of the provisions.

Part of the electric equipment according to the type of protection can be divided into outdoor type and explosion-proof type;

According to the control mode can be divided into conventional type, the overall type and the overall adjustment type.