4級隔爆型電動機YBDF2-312-4

YBDF系列電動機的防爆標志為Exd ⅡBT4,，適用于工廠Ⅱ類,、B級電氣設(shè)備，溫度組別為T1、T2,、T3,、T4組爆炸性氣體混合物存在的環(huán)境,。根據(jù)訂貨要求,，也可為用戶生產(chǎn)防爆標志為Exd的電動機。 

YBDF2防爆閥門電機型號：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防爆閥門電機型號：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

YBDF-WF為戶外防腐隔爆型電動機，適用于使用在石油,、化工中外易腐蝕,、易爆的場所和相應(yīng)的電動裝置組裝后，具有隔爆性能,。