Product Details
Explosion-proof overhead traveling cranes
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Explosion proof bridge crane refers to the lifting equipment which will be operated in explosive gas or explosive dust environment, the crane design should consider explosion-proof characteristics on the motors, electrical control panels, etc.
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Classification
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The explosion-proof bridge crane used in explosive environment to which this standard applies, its gas storage equipment shall comply with the regulations of GB 3836.1-2010, which can be divided into Class II and III:
Class II: Explosion proof bridge crane for explosive gas environment other than coal mine gas:
Class II explosion-proof bridge cranes can be further divided into Class IIA, IIB and IIC explosion-proof cranes according to the type of explosive gas environment they are intended to use
Class III: Explosion proof bridge crane for explosive dust environment other than coal mine.
Class III explosion-proof bridge cranes can be further divided into Class IlIA, IIIB and IIIC explosion-proof cranes according to the characteristics of the explosive dust environment to be used. IIlA explosive dust is combustible flying flocs; Class IIIB explosive dust is non-conductive dust; Class IIIC explosive powder
Hazardous Area
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Temperature Classification
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Max. surface temp.
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Temp. Class
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(℃)
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IEC79-8
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450℃
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T1
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300℃
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T2
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200℃
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T3
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135℃
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T4 (T4: Default class)
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100℃
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T5
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85℃
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T6
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Explosion-proof motor
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â— Heavy duty motor
â— Up to IIC
â— IP65 and H Insulation
â— 60%ED rating
â— Over heating protection
â— Overloading protection
â— Maintenance free
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IP65 Level Explosion-proof panel
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Ex-proof power supply system
â— Festoon system with C profile rail
â— Complete rubby and round-form cable
â— Plastic cable trolley
â— 2-step limit switches (Bridge and trolley)
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