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-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-WF防爆阀门电机型号：
YBDF2-WF-112-4、YBDF2-WF-121-4、YBDF2-WF-122-4，YBDF2-WF-211-4，YBDF2-WF-212-4，