YBDF-WF322-4防爆型阀门电机
扬州华通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组性气体混合物存在的环境。
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
