1. Widely used in oil exploration, refining, chemical, offshore oil platforms, Flammable and explosive atmospheres such as oil tankers;
2. Applicable to Zone 1 and Zone 2 of explosive gas environment;
3. Applicable to IIA, IIB, IIC explosive gas environment;
4. Applicable to the temperature group is T1~T4/T5/T6;
5. As a plant, warehouse refrigeration, heating and air conditioning.