There are two types of explosion-proof instruments, safety type and flame-proof type, which constitute intrinsic safety control system and flame-proof control system respectively.
关于防爆有“本安”和“隔爆”类仪表，它们分别构成“本安控制系统”和“隔爆系统”。
Driving Method:commom induction motor, flame proof induction or frequency flame proof motor. The installation of motor has B3, B5 two kinds.
驱动方式：普通异步电动机、隔爆型异步电动机或变频防爆。电机安装分B3、B5二种。
The utility model relates to a flame-proof structure for a shaft, belonging to the electromotor manufacturing field, which comprises a shaft, a flame-proof sleeve and a bearing.
本实用新型涉及电动机制造领域，具体说是一种轴用隔爆结构。
The utility model relates to a flame-proof structure for a shaft, belonging to the electromotor manufacturing field, which comprises a shaft, a flame-proof sleeve and a bearing.
本实用新型涉及电动机制造领域，具体说是一种轴用隔爆结构。
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