⊹ Intend use:
1,Suitable for explosive atmospheres: zone0, zone 1 and zone 2. 

2,Explosive atmosphere: class IIA, class IIB and class IIC. 
3,Suitable for flammable dust atmosphere: zone 20, zone21 and zone 22. 
4,Suitable for temperature classes: T1-T6. 
5,Suitable for high corrosion resistance place. 
6,It is widely used in oil exploration, oil refining, chemical industry, military, other hazardous environment, offshore oil platform, oil tanker and other place.

⊹ Features:
The shell is increased safety structure, made of high strength refractory engineering plastic. It has good appearance, impact resistance, corrosion resistance and good stability. The concave-convex joint is designed between the cover and body which the silicon rubber bar is sealed between them, it has good waterproof and dust proof ability.