减(jian)压阀有(you)哪些(xie)类型(xing)?它(ta)的工(gong)作原(yuan)理是(shi)什么(me)?据(ju)昆明阀(fa)门厂(chang)家(jia)介绍(shao),减压(ya)阀通(tong)过启(qi)闭件的节流(liu),将进口压力降低到(dao)某一(yi)预定的(de)出口压力,并(bing)借阀(fa)后压力的直(zhi)接(jie)作用(yong),使(shi)阀后(hou)压(ya)力自(zi)动(dong)保(bao)持在一定(ding)范围(wei)内的阀门(men),称(cheng)为(wei)减压阀(fa)。
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