YBDF2-WF-221-4，YBDF2-WF-222-4，YBDF2-WF-223-4，YBDF2-WF-231-4，YBDF2-WF-232-4，YBDF2-WF-311-4，YBDF2-WF-312-4，YBDF2-WF-321-4，YBDF2-WF-322-4，YBDF2-WF-411-4，YBDF2-WF-412-4，YBDF2-WF-421-4， YBDF2-WF-422-4。
YBDF防爆阀门电机型号：
YBDF-112-4、YBDF-121-4、YBDF-122-4，YBDF-211-4，YBDF-212-4，YBDF-221-4，YBDF-222-4，YBDF-231-4，YBDF-223-4，YBDF-232-4，YBDF-311-4，YBDF-312-4，YBDF-321-4，YBDF-322-4 ，YBDF-411-4，YBDF-412-4，YBDF-421-4，YBDF-422-4，YBDF-431-4。
YBDF-112-4W、YBDF-121-4W、YBDF-122-4W