扬州玉林公司经营阀门电动装置专用电机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-322-4,YDF-WF-411-4,YDF-WF-412-4,YDF-WF-422-4,YDF-212-4,YDF-221-4,YDF-222-4,YDF-231-4,YDF-311-4,YDF-312-4,YDF-322-4,YDF-411-4,YDF-412-4,YDF-422-4等各种型号电机。250W电机YDF-212-4阀门专用电机，YDF系列适用于非危险场所,本系列电动机按下列功率制造：0.01,0.015,0.025,0.04,0.06,0.09,0.12,0.18,0.2,0.25,0.37,0.55,0.75,1.1,1.5,2.2,3,4,5.5,7.5,11KW,其中0.18KW以下采用铝制机座,0.18KW及以上采用铸铁机座。防爆电机型号：YBDF2-122-4，YBDF2-211-4，YBDF2-212-4，YBDF2-221-4，YBDF2-222-4，YBDF2-231-4，YBDF2-311-4，YBDF2-312-4，YBDF2-321-4，YBDF2-322-4，YBDF2-411-4，YBDF2-421-4，YBDF2-422-4，YBDF2-431-4，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阀门专用电机性能：①阀门电机转矩符合阀门的启闭转矩特性。一般阀门开启和关闭到位短时间内所需的转矩值高,而在中间运行状态时所需转矩值仅为开启或关闭最大扭矩值的1/3,故阀门专用电机的特点是启动力矩高,过载能力强。阀门专用电机的最大转矩与额定转矩值之比大于3倍,启动力矩与额定力矩值之比也大于3倍。②阀门专用电机设计时转子形状细长。因而高速转动的电机在阀门关闭时给阀门密封附加的惯性载荷小,既可保证阀门密封面可靠,又不会使阀门密封面损坏。③由于阀门的操作是断续性的短时工作制,因而阀门专用电机的工作时间按    规定为10min,有的国外产品时间为15min。④阀门专用电机端面出线,无接线盒,无风扇,自冷却式,防护性能高。一般制式ip54、ip66,   别达ip68为潜水型电机。