比例(li)電(dian)(dian)磁閥(fa)是線性電(dian)(dian)磁閥(fa),在有限(xian)的范(fan)圍內,其力與電(dian)(dian)流(liu)成(cheng)比例(li)。通(tong)過在應(ying)用(yong)中添加回位彈(dan)簧,比例(li)電(dian)(dian)磁閥(fa)可以成(cheng)為定位裝置,其中位置與勵(li)磁電(dian)(dian)流(liu)成(cheng)比例(li)。有兩個沖(chong)程(cheng)(cheng)范(fan)圍:控(kong)制(zhi)沖(chong)程(cheng)(cheng)(柱塞位置取決(jue)于(yu)施(shi)加的電(dian)(dian)流(liu))和接近沖(chong)程(cheng)(cheng)(力取決(jue)于(yu)沖(chong)程(cheng)(cheng)位置)。大多數應(ying)用(yong)程(cheng)(cheng)序僅使用(yong)控(kong)制(zhi)沖(chong)程(cheng)(cheng)。比例(li)電(dian)(dian)磁閥(fa)用(yong)于(yu)力、張力、位置或流(liu)量控(kong)制(zhi)。