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一、DKJ直連角行程電動執行機構,
是DDZ型(xing)電(dian)(dian)(dian)動(dong)單(dan)(dan)元組合儀表中的執(zhi)(zhi)行(xing)(xing)單(dan)(dan)元,它接(jie)(jie)(jie)受調節單(dan)(dan)元的輸出信(xin)號,自(zi)動(dong)的 操縱執(zhi)(zhi)行(xing)(xing)機(ji)構完成調解任務(wu),廣泛得應用(yong)(yong)于(yu)電(dian)(dian)(dian)力、化(hua)工(gong)(gong)、化(hua)工(gong)(gong)、石油、冶金、建材、輕工(gong)(gong)等行(xing)(xing)業。DKJ-Z型(xing)電(dian)(dian)(dian)動(dong)執(zhi)(zhi)行(xing)(xing)機(ji)構與各(ge)種蝶閥(fa)、球閥(fa)及(ji)其他轉(zhuan)角90度(du)(du)的閥(fa)直接(jie)(jie)(jie)聯結使用(yong)(yong)。直聯型(xing)角行(xing)(xing)程(cheng)電(dian)(dian)(dian)動(dong)執(zhi)(zhi)行(xing)(xing)機(ji)構直接(jie)(jie)(jie)安裝在閥(fa)門的法蘭上,避免(mian)了普通(tong)角行(xing)(xing)程(cheng)電(dian)(dian)(dian)動(dong)執(zhi)(zhi)行(xing)(xing)機(ji)構在使用(yong)(yong)時需構筑底座(zuo)配置(zhi)連桿機(ji)構等繁瑣工(gong)(gong)作,既降低(di)了費用(yong)(yong)又提高了調節精度(du)(du)。
DKJ直連角行程電動執行機構
●位置發送器采用(yong)齒(chi)輪式(shi)傳(chuan)動,確(que)保限位可靠準確(que)
●采用帶角(jiao)度(du)指示的精密導電塑料電位器調試(shi)方便,易懂
●電路(lu)采用(yong)環氧樹脂封裝的模塊結構并經高(gao)低溫老化,確保穩定可靠
●電(dian)機(ji)采用帶過載(zai)保護的戶外型(xing)伺服電(dian)機(ji)
二、主要技術(shu)指標
1、輸入(ru)信號:Ⅱ型0~10mA DC;Ⅲ型4~20mA DC
2、輸入通道:三個
3、輸入通道阻(zu)抗:Ⅱ型200Ω;Ⅲ型250Ω
4、輸出推力:見上(shang)表
5、全行程時間(jian):見上表
6、基本誤差限(xian):±2.5%
7、死區:≤3%
8、阻尼特性:≤3次(ci)半周期
9、回差:≤1.5%
10、電源電壓(ya):220V(10%,15%) 頻率50Hz
11、使用環境溫(wen)度:執行機構:-10~+55℃或-25~+70℃;放(fang)大器:0~+50℃
12、使用環境相對濕度:執行機構(gou):≤95%;放大器(qi):10%~70%
三、電動執(zhi)行器安(an)裝、維護及(ji)使用見公司(si)樣本。