閥(fa)(fa)(fa)門氣(qi)動執(zhi)行(xing)器(qi)NKR-DA可以安裝(zhuang)在蝶閥(fa)(fa)(fa)、球閥(fa)(fa)(fa)、旋塞閥(fa)(fa)(fa) 0-90°旋轉啟(qi)閉的閥(fa)(fa)(fa)類控制(zhi)啟(qi)閉/調(diao)節。分為單(dan)作(zuo)用(yong)(yong)還雙作(zuo)用(yong)(yong)兩種基(ji)本(ben)類型，單(dan)作(zuo)用(yong)(yong)內置(zhi)彈(dan)簧帶(dai)復位功(gong)能(neng)（氣(qi)開/氣(qi)閉），雙作(zuo)用(yong)(yong)無(wu)內置(zhi)彈(dan)簧不具備彈(dan)簧復位功(gong)能(neng)需(xu)依(yi)靠氣(qi)源才(cai)能(neng)工(gong)(gong)作(zuo)。工(gong)(gong)作(zuo)氣(qi)源壓(ya)力：4-6bar，可選裝(zhuang)附件(jian) 電(dian)磁閥(fa)(fa)(fa) 閥(fa)(fa)(fa)位開關(guan) 空氣(qi)過(guo)濾減壓(ya)閥(fa)(fa)(fa) 閥(fa)(fa)(fa)門定(ding)位器(qi)等