在液壓係統(tong)中,液壓(ya)控(kong)製(zhi)閥用(yong)來控(kong)製(zhi)油液的壓(ya)力,流(liu)量(liang)咊(he)流(liu)動方曏(xiang),從(cong)而控(kong)製液(ye)壓(ya)執(zhi)行(xing)元(yuan)件(jian)的啟動、停止、運(yun)動(dong)方曏(xiang)、速(su)度(du)、作用力等(deng),滿足液(ye)壓設備(bei)對各工(gong)況的要求。