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1.1 Area and 2 of the explosive gas environment dangerous places

2.IIA, ⅡB, Ⅱc T1 ～ T4/T5/T6 set of explosive gas environments;

Zone 3.20 area, area 21, and district 22 are combustible dust gas environment places;

4．It is applied to petroleum, chemical, medicine, sky gas, aerospace explosive gas environment and marine petroleum platforms, tankers and other places.

■ Zeng'an shell, interior components are explosion-proof elements；

■ The shell is suppressed by glass fiber enhanced unsaturated polyphoric resin. It has excellent performance such as beautiful appearance, corrosion resistance, anti-static, impact resistance and good thermal stability；

■ Explosion-type control switch has structural compactness, good reliability, small size, strong volume, long life, long life, and multiple functions for users to choose from.The button uses a module, the function of the button can be combined with two units, and the explosion-proof indicator adopts a special design.；

■ The exposed fasteners use stainless steel, which is convenient for protective design and maintenance.；

■ The coexistence surface of the shell and cover is a curved maze-like structure, which has good waterproof and dustproof ability；

■ Compliance with GB3836-2010, IEC60079 standard requirements。

Note：The normal configuration of the operation column is oneG1 "Tongtong, if the user has special special, please indicate.