发布日期:2024-10-23
QB 型防爆桥式起重机所有电机、电器防爆性能符合GB3836.2《 爆炸性气体环境用电气设备第2部分:隔爆型 “d”》、整机性能符合JB/T5897《 防爆桥式起重机》标准之规定,经国家指定的防爆产品检验单位检验合格, 取得了《防爆合格证》。防爆标志分别为Exdll BT4、Exd II CT4。
本产品适用于工厂内防爆能力不高于II B或lI C级,引燃温度组别不低于T4组的可燃性气体或蒸气与空气形成 的爆炸性气体混合物的场所,适用的危险区域为1区或2区(详见GB3836.1)。
本产品一般为地面操作,根据用户需要也可以司机室操作。
Explosion-proof performances of all motors and electric components of QB explosion-proof crane satisfy standards stipulated by GB3836.2 Explosion-proof Electric Equipment Working in Explosive Gas Envircmment Part2:Flame-proof Type“D”,and the performance of the crane satisfies demands in JB/T5897 Explosion-proof Crane.The crane has obtained Explosion-proof Certificate after passing examinations by units designated by the government to test explosion-proof products.The explosion-proof marks are Exd l BT4 and Exd lI CT4 respectively.
This product is suitable for areas wherethe explosion 。transmission is not higher than lIB orlI C and the ignition temperature group of nflammable gas orexplosive mixture of steam and gas isnot lower than T4.Aplicable dangerouszones are zone 1 and zone 2(please refer to GB3836.1 fordetails).
This productis generallycontrolled on the ground,but controlfrom the drivers cabin is also allowable
本样本所提供重量为设计值,制造值为±5~15%。
The weight of this sample is dsign value and actual weight varies±5~15%.
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