YBDF系列電動機的防爆標(biāo)志為ExdⅡBT4，適用于工廠Ⅱ類A級、B級電氣設(shè)備，溫度組分別為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(biāo)志為Exd的電動機.本系列電機功率范圍：0.12-7.5 KW .YBDF-WF防爆閥門電機型號：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-312-4，YBDF-WF-322-4，YBDF-WF-411-4，YBDF-WF-412-4，YBDF-WF-421-4，YBDF-WF-422-4.YBDF2-WF防爆閥門電機型號：YBDF2-WF-122-4，YBDF2-WF-211-4，YBDF2-WF-212-4，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防爆閥門電機型號：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。閥門三相異步電機，電動執(zhí)行器電機，閥門電機。

閥門專用電機代號	防護要求	基座號	參考功率KW
YDF/YDF2/YBDF/YBDF2 （YDF和YDF2為普通型） （YBDF和YBDF2為隔爆型）	WF	111-4	0.06
	WF	112-4	0.09
	WF	121-4	0.12
	WF	211-4	0.18
	WF	212-4	0.25
	WF	221-4	0.37
	WF	222-4	0.55
	WF	223/231-4	0.75
	WF	232/311-4	1.1
	WF	312-4	1.5
	WF	321-4	2.2
	WF	322-4	3.0
	WF	411-4	4.0
	WF	412-4	5.5
	WF	421-4	7.5
	WF	422-4	11