阀门防爆电动机。YDF-WF-212-4，YDF-WF-221-4，YDF-WF-222-4，YDF-WF-231-4，YDF-WF-311-4，YDF-WF-312-4，YDF-WF-312-4，YDF-WF-322-4，YDF-WF-411-4，YDF-WF-412-4，YDF-WF-422-4等各种型号电机。有0.18KW，0.25KW，0.37KW，0.55KW，0.75KW，1.1KW，1.5KW，2.2KW，3KW，4KW，5.5KW，7.5KW，10KW，15KW等各种功率电机。YBDF-WF-212-4，YBDF-WF-221-4，YBDF-WF-222-4，YBDF-WF-231-4，YBDF-WF-311-4，YBDF-WF-312-4，YBDF-WF-312-4，YBDF-WF-322-4，YBDF-WF-411-4，YBDF-WF-412-4，YBDF-WF-422-4。 YBDF-231-4阀门防爆电动机