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TESCOM減壓閥(fa)是一種自動峰低管(guan)(guan)格工作(zuo)壓力的(de)(de)(de)(de)專門裝置(zhi)，它口將線前管(guan)(guan)路較高的(de)(de)(de)(de)水(shui)壓減少至(zhi)閥(fa)后管(guan)(guan)格所需(xu)的(de)(de)(de)(de)水(shui)平(ping)。TESCOM準卡煙廣泛川千(qian)高三建筑，城市給水(shui)管(guan)(guan)網水(shui)壓過高的(de)(de)(de)(de)區域，礦井及其他場合，以保(bao)證(zheng)給水(shui)至(zhi)統(tong)中各川水(shui)點獲得話(hua)當(dang)的(de)(de)(de)(de)服務(wu)水(shui)壓和流zui。獎(jiang)干水(shui)的(de)(de)(de)(de)漏失(shi)率和浪費程度兒平(ping)同給水(shui)系統(tong)的(de)(de)(de)(de)水(shui)壓大小成正比(bi)，因(yin)此TESCOM減床代(dai)具有改系統(tong)運行工況和潛在節水(shui)作(zuo)JtJ.據(ju)統(tong)計其節水(shui)效(xiao)果約(yue)為(wei)30%。

TESCOM艾(ai)(ai)(ai)默(mo)(mo)(mo)生減(jian)(jian)(jian)壓(ya)(ya)(ya)(ya)(ya)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)工(gong)作原理(li)(li)：美(mei)國(guo)(guo)(guo)TESCOM艾(ai)(ai)(ai)默(mo)(mo)(mo)生減(jian)(jian)(jian)壓(ya)(ya)(ya)(ya)(ya)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)是(shi)(shi)采(cai)用(yong)(yong)控制閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)體(ti)內(nei)的(de)啟閉(bi)件的(de)開度(du)來(lai)調節介(jie)質(zhi)的(de)流(liu)量，將介(jie)質(zhi)的(de)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)降(jiang)低(di)，同(tong)(tong)時借(jie)助閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)后壓(ya)(ya)(ya)(ya)(ya)力(li)(li)的(de)作用(yong)(yong)調節啟閉(bi)件的(de)開度(du)，使閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)后壓(ya)(ya)(ya)(ya)(ya)力(li)(li)保持在(zai)一定范(fan)圍內(nei)，并在(zai)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)體(ti)內(nei)或閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)后噴入冷卻水，將介(jie)質(zhi)的(de)溫度(du)降(jiang)低(di)，這種閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門稱(cheng)為(wei)(wei)減(jian)(jian)(jian)壓(ya)(ya)(ya)(ya)(ya)減(jian)(jian)(jian)溫閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)。美(mei)國(guo)(guo)(guo)TESCOM艾(ai)(ai)(ai)默(mo)(mo)(mo)生減(jian)(jian)(jian)壓(ya)(ya)(ya)(ya)(ya)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)快易優自動(dong)(dong)(dong)化(hua)(hua)選型有收錄(lu)。該閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)特點(dian)，是(shi)(shi)在(zai)進(jin)口(kou)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)不(bu)斷變化(hua)(hua)的(de)情況(kuang)下(xia)，保持出口(kou)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)和(he)溫度(du)值(zhi)在(zai)一定的(de)范(fan)圍內(nei)。美(mei)國(guo)(guo)(guo)TESCOM艾(ai)(ai)(ai)默(mo)(mo)(mo)生減(jian)(jian)(jian)壓(ya)(ya)(ya)(ya)(ya)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)按結構(gou)形(xing)式(shi)(shi)(shi)(shi)(shi)(shi)可(ke)分(fen)為(wei)(wei)薄膜式(shi)(shi)(shi)(shi)(shi)(shi)、彈(dan)(dan)簧薄膜式(shi)(shi)(shi)(shi)(shi)(shi)、活塞式(shi)(shi)(shi)(shi)(shi)(shi)、杠(gang)桿式(shi)(shi)(shi)(shi)(shi)(shi)和(he)波紋管式(shi)(shi)(shi)(shi)(shi)(shi)；按閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)數目可(ke)人為(wei)(wei)單座(zuo)式(shi)(shi)(shi)(shi)(shi)(shi)和(he)雙座(zuo)式(shi)(shi)(shi)(shi)(shi)(shi)；按閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)瓣的(de)位(wei)置不(bu)同(tong)(tong)可(ke)分(fen)為(wei)(wei)正作用(yong)(yong)式(shi)(shi)(shi)(shi)(shi)(shi)和(he)反作用(yong)(yong)式(shi)(shi)(shi)(shi)(shi)(shi)。先(xian)(xian)(xian)導(dao)式(shi)(shi)(shi)(shi)(shi)(shi)美(mei)國(guo)(guo)(guo)TESCOM艾(ai)(ai)(ai)默(mo)(mo)(mo)生減(jian)(jian)(jian)壓(ya)(ya)(ya)(ya)(ya)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)當美(mei)國(guo)(guo)(guo)TESCOM艾(ai)(ai)(ai)默(mo)(mo)(mo)生減(jian)(jian)(jian)壓(ya)(ya)(ya)(ya)(ya)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)輸(shu)出壓(ya)(ya)(ya)(ya)(ya)力(li)(li)較(jiao)高(gao)或通徑較(jiao)大時，用(yong)(yong)調壓(ya)(ya)(ya)(ya)(ya)彈(dan)(dan)簧直(zhi)接調壓(ya)(ya)(ya)(ya)(ya)，則(ze)彈(dan)(dan)簧剛度(du)必然(ran)過大，流(liu)量變化(hua)(hua)時，輸(shu)出壓(ya)(ya)(ya)(ya)(ya)力(li)(li)波動(dong)(dong)(dong)較(jiao)大，閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)結構(gou)尺寸也將增大。為(wei)(wei)了克服這些(xie)缺點(dian)，可(ke)采(cai)用(yong)(yong)先(xian)(xian)(xian)導(dao)式(shi)(shi)(shi)(shi)(shi)(shi)美(mei)國(guo)(guo)(guo)TESCOM艾(ai)(ai)(ai)默(mo)(mo)(mo)生減(jian)(jian)(jian)壓(ya)(ya)(ya)(ya)(ya)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)。先(xian)(xian)(xian)導(dao)式(shi)(shi)(shi)(shi)(shi)(shi)美(mei)國(guo)(guo)(guo)TESCOM艾(ai)(ai)(ai)默(mo)(mo)(mo)生減(jian)(jian)(jian)壓(ya)(ya)(ya)(ya)(ya)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)工(gong)作原理(li)(li)與直(zhi)動(dong)(dong)(dong)式(shi)(shi)(shi)(shi)(shi)(shi)的(de)基本相同(tong)(tong)。先(xian)(xian)(xian)導(dao)式(shi)(shi)(shi)(shi)(shi)(shi)美(mei)國(guo)(guo)(guo)TESCOM艾(ai)(ai)(ai)默(mo)(mo)(mo)生減(jian)(jian)(jian)壓(ya)(ya)(ya)(ya)(ya)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)所(suo)用(yong)(yong)的(de)調壓(ya)(ya)(ya)(ya)(ya)氣體(ti)，是(shi)(shi)由(you)小型的(de)直(zhi)動(dong)(dong)(dong)式(shi)(shi)(shi)(shi)(shi)(shi)美(mei)國(guo)(guo)(guo)TESCOM艾(ai)(ai)(ai)默(mo)(mo)(mo)生減(jian)(jian)(jian)壓(ya)(ya)(ya)(ya)(ya)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)供(gong)給的(de)。若把小型直(zhi)動(dong)(dong)(dong)式(shi)(shi)(shi)(shi)(shi)(shi)美(mei)國(guo)(guo)(guo)TESCOM艾(ai)(ai)(ai)默(mo)(mo)(mo)生減(jian)(jian)(jian)壓(ya)(ya)(ya)(ya)(ya)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)裝在(zai)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)體(ti)內(nei)部，則(ze)稱(cheng)為(wei)(wei)內(nei)部先(xian)(xian)(xian)導(dao)式(shi)(shi)(shi)(shi)(shi)(shi)美(mei)國(guo)(guo)(guo)TESCOM艾(ai)(ai)(ai)默(mo)(mo)(mo)生減(jian)(jian)(jian)壓(ya)(ya)(ya)(ya)(ya)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)；若將小型直(zhi)動(dong)(dong)(dong)式(shi)(shi)(shi)(shi)(shi)(shi)美(mei)國(guo)(guo)(guo)TESCOM艾(ai)(ai)(ai)默(mo)(mo)(mo)生減(jian)(jian)(jian)壓(ya)(ya)(ya)(ya)(ya)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)裝在(zai)主(zhu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)體(ti)外(wai)部，則(ze)稱(cheng)為(wei)(wei)外(wai)部先(xian)(xian)(xian)導(dao)式(shi)(shi)(shi)(shi)(shi)(shi)美(mei)國(guo)(guo)(guo)TESCOM艾(ai)(ai)(ai)默(mo)(mo)(mo)生減(jian)(jian)(jian)壓(ya)(ya)(ya)(ya)(ya)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)。