Proof switch bzm | Tanggu proof switch | renowned manufacturers Koretoyo explosion

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Proof switch bzm | Tanggu proof switch | renowned manufacturers Koretoyo explosion

Information Name:	Proof switch bzm \| Tanggu proof switch \| renowned manufacturers Koretoyo explosion
Published:	2015-01-23
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Detailed Product Description：	Zone 2: In normal operation impossible environment of explosive gas mixtures or even if it is only short-term environmental explosive gas mixtures exist. 0 areas are generally only present in the sealed container, tanks and other interior gas space, in the actual design process, a region rarely exist, in most cases below 2 area. 1.2 explosion-proof electrical equipment is divided into two categories: Class Ⅰ Ⅱ coal mine electrical equipment category except mine where electrical equipment used in electrical equipment 1.3Ⅱ, according to explosive gas mixtures suitable for maximum experimental safe gap or minimum ignition current ratio qc80 explosion-proof switch, explosion-proof switch into ⅡA, ⅡB, ⅡC three; according to its maximum surface temperature T1-T6 into six groups. 1.4 explosive gas mixtures grouped according to the ignition temperature of explosion-proof switch, see Table 1. 1.5 explosive gas mixtures, their maximum experimental safe gap (MESG) or the minimum ignition current ratio (MICR) classification (Table 2). Table 1 Group ignition temperature t (℃) T1 450

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