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隔爆异步电机YBDF2-212-4
YBDF系列电动机的防爆标志为Exd ⅡBT4，适用于工厂Ⅱ类A级、B级电气设备，温度组别为T1、T2、T3、T4组爆炸性气体混合物存在的环境。根据订货要求，也可为用户生产防爆标志为Exd的电动机。
阀门专用电机概述
YDF-WF/YDF2-W系列为户外型电动机，适用于在电站、高温、粉尘、潮湿等场所及石油、化工中户外易腐蚀的场所。
YBDF-WF为户外防腐隔爆型电动机，适用于使用在石油、化工中外易腐蚀、易爆的场所和相应的电动装置组装后，具有隔爆性能。
YBDF-WF防爆阀门电机型号：YBDF-WF-111-4、YBDF-WF-112-4、YBDF-WF-121-4、YBDF-WF-122-4，YBDF-WF-211-4、YBDF-WF-212-4，YBDF-WF-221-4，YBDF-WF-222-4，YBDF-WF-223-4， YBDF-WF-231-4，YBDF-WF-232-4，YBDF-WF-311-4，YBDF-WF-312-4，YBDF-WF-321-4，YBDF-WF-322-4，YBDF-WF-411-4，YBDF-WF-412-4，YBDF-WF-421-4，YBDF-WF-422-4
YBDF2防爆阀门电机型号：YBDF2-111-4、YBDF2-112-4、YBDF2-121-4、YBDF2-122-4，YBDF2-211-4，YBDF2-212-4，YBDF2-221-4，YBDF2-222-4，YBDF2-231-4，YBDF2-223-4，YBDF2-232-4，YBDF2-311-4，YBDF2-312-4，YBDF2-321-4，YBDF2-322-4，YBDF2-411-4，YBDF2-412-4，YBDF2-421-4，YBDF2-422-4，YBDF2-431-4。
YBDF-WF防爆阀门电机型号：YBDF-WF-111-4、YBDF-WF-112-4、YBDF-WF-121-4、YBDF-WF-122-4，YBDF-WF-211-4、YBDF-WF-212-4，YBDF-WF-221-4，YBDF-WF-222-4，YBDF-WF-223-4， YBDF-WF-231-4，YBDF-WF-232-4，YBDF-WF-311-4，YBDF-WF-312-4，YBDF-WF-321-4，YBDF-WF-322-4，YBDF-WF-411-4，YBDF-WF-412-4，YBDF-WF-421-4，YBDF-WF-422-4