381隔爆直行程电子式电动执行机构:是隔爆电动执行机构,产品防爆等级为:ExdIIBT4,以220V交流单相电源作为驱动电源。来驱动单座调节阀、双座调节阀、套筒阀等阀门的电动执行机构,输入输出4-20mA信号。
381隔爆直行程电子式电动执行机构是电子式电动执行器,是以220V交流单相电源作为驱动电源,接受来自计算机调节器或操作器的4-20mADC,或者1-5VDC输入信号来运转的全电子式执行机构,机内有伺服系统,无需另配伺服放大器,关键部件“控制器”采用*的混合集成电路,并用树脂浇铸固化,经老化处理,可靠性高,防潮,防震。
产品以220V交流单相电源为驱动电源,输入信号采用220V交流开关,电机采用交流可逆单相齿轮减速电机,开度检测采用精密导电塑料定位器,可与各种直行程和角行程调节阀门组成开关控制型电动执行器。
技术参数:
防爆等级为:ExdIIBT4
电源:标配AC220V±10% 50HZ(定制型20V、110V、380V)
耗电功率(额定负载时)
输入信号:DC4~20mA或DC1~5V。(0~10mA等其它信号可定制)
输出信号:DC4~20mA 负载电阻500Ω以下。(0~10mA等其它信号可定制)
控制精度:基本误差<±1%;回差<1%;死区≤1%(可调到0.4%)
工作流程调整范围:零点:±25%;行程20%~100%
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