液(ye)壓控(kong)(kong)(kong)(kong)(kong)制閥(fa)是(shi)指液(ye)壓傳動(dong)系(xi)統或(huo)液(ye)壓控(kong)(kong)(kong)(kong)(kong)制系(xi)統中用來控(kong)(kong)(kong)(kong)(kong)制液(ye)體壓力(li)(li)、流量(liang)(liang)和方(fang)向的元件。其中控(kong)(kong)(kong)(kong)(kong)制壓力(li)(li)的稱(cheng)為壓力(li)(li)控(kong)(kong)(kong)(kong)(kong)制閥(fa)，控(kong)(kong)(kong)(kong)(kong)制流量(liang)(liang)的稱(cheng)為流量(liang)(liang)控(kong)(kong)(kong)(kong)(kong)制閥(fa)，控(kong)(kong)(kong)(kong)(kong)制通、斷和流向的稱(cheng)為方(fang)向控(kong)(kong)(kong)(kong)(kong)制閥(fa)。
