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單向(xiang)閥(fa)就(jiu)是止(zhi)回閥(fa) 旋啟式(shi)止(zhi)回閥(fa)安(an)裝(zhuang)位(wei)置不受限制,通(tong)常安(an)裝(zhuang)于水(shui)平管路,但也可以(yi)安(an)裝(zhuang)于垂直管路或傾斜(xie)管路上。安(an)裝(zhuang)止(zhi)回閥(fa)時,應特別注意介質流動方(fang)向(xiang),應使(shi)介質正(zheng)常流動方(fang)向(xiang)與閥(fa)體(ti)上指示的(de)箭頭方(fang)向(xiang)相(xiang)一致,否則(ze)就(jiu)會(hui)截斷介質的(de)正(zheng)常流動。底(di)閥(fa)應安(an)裝(zhuang)在水(shui)泵(beng)吸水(shui)管路的(de)底(di)端。
單(dan)(dan)向(xiang)(xiang)(xiang)閥(fa)的(de)(de)安(an)裝(zhuang)(zhuang)的(de)(de)話(hua)(hua)通常(chang)安(an)裝(zhuang)(zhuang)在(zai)水(shui)平的(de)(de)管道上,也(ye)可以再垂直的(de)(de)地方安(an)裝(zhuang)(zhuang)。只(zhi)是這種閥(fa)門(men)是單(dan)(dan)向(xiang)(xiang)(xiang)性的(de)(de),所以有規定好(hao)安(an)裝(zhuang)(zhuang)的(de)(de)方向(xiang)(xiang)(xiang),閥(fa)體上也(ye)有標注介質流向(xiang)(xiang)(xiang)的(de)(de)標志。單(dan)(dan)向(xiang)(xiang)(xiang)閥(fa)在(zai)關閉時,如果快速的(de)(de)話(hua)(hua)可能會引起水(shui)錘的(de)(de)現象(xiang),破壞(huai)管道,造成事(shi)故,所以選(xuan)擇單(dan)(dan)向(xiang)(xiang)(xiang)閥(fa)的(de)(de)話(hua)(hua)要(yao)了(le)解工況才可以。單(dan)(dan)向(xiang)(xiang)(xiang)閥(fa)常(chang)用(yong)的(de)(de)種類有彈簧式單(dan)(dan)向(xiang)(xiang)(xiang)閥(fa);重力式單(dan)(dan)向(xiang)(xiang)(xiang)閥(fa);旋啟式單(dan)(dan)向(xiang)(xiang)(xiang)閥(fa)等。
單(dan)(dan)向(xiang)(xiang)閥(fa)又稱止(zhi)(zhi)回閥(fa)或逆止(zhi)(zhi)閥(fa)。用(yong)(yong)(yong)于(yu)液壓(ya)系統中(zhong)(zhong)防(fang)(fang)止(zhi)(zhi)油(you)(you)流(liu)反(fan)向(xiang)(xiang)流(liu)動,或者用(yong)(yong)(yong)于(yu)氣動系統中(zhong)(zhong)防(fang)(fang)止(zhi)(zhi)壓(ya)縮(suo)空氣逆向(xiang)(xiang)流(liu)動。單(dan)(dan)向(xiang)(xiang)閥(fa)有直(zhi)(zhi)通式(shi)和直(zhi)(zhi)角式(shi)兩種(zhong)。直(zhi)(zhi)通式(shi)單(dan)(dan)向(xiang)(xiang)閥(fa)用(yong)(yong)(yong)螺(luo)紋(wen)(wen)連(lian)接安(an)裝在(zai)管路(lu)上。直(zhi)(zhi)角式(shi)單(dan)(dan)向(xiang)(xiang)閥(fa)有螺(luo)紋(wen)(wen)連(lian)接、板式(shi)連(lian)接和法蘭連(lian)接三種(zhong)形(xing)式(shi)。液控單(dan)(dan)向(xiang)(xiang)閥(fa)也(ye)稱閉(bi)鎖閥(fa)或保壓(ya)閥(fa),它與(yu)單(dan)(dan)向(xiang)(xiang)閥(fa)相同,用(yong)(yong)(yong)以(yi)防(fang)(fang)止(zhi)(zhi)油(you)(you)液反(fan)向(xiang)(xiang)流(liu)動。但在(zai)液壓(ya)回路(lu)中(zhong)(zhong)需要油(you)(you)流(liu)反(fan)向(xiang)(xiang)流(liu)動時(shi)(shi)又可利用(yong)(yong)(yong)控制(zhi)油(you)(you)壓(ya),打開(kai)單(dan)(dan)向(xiang)(xiang)閥(fa),使油(you)(you)流(liu)在(zai)兩個方(fang)向(xiang)(xiang)都可流(liu)動。液控單(dan)(dan)向(xiang)(xiang)閥(fa)采用(yong)(yong)(yong)錐形(xing)閥(fa)芯,因此密封性能(neng)好。在(zai)要求封閉(bi)油(you)(you)路(lu)時(shi)(shi),可用(yong)(yong)(yong)此閥(fa)作為油(you)(you)路(lu)的(de)單(dan)(dan)向(xiang)(xiang)鎖緊而起保壓(ya)作用(yong)(yong)(yong)。液控單(dan)(dan)向(xiang)(xiang)閥(fa)控制(zhi)油(you)(you)的(de)泄(xie)(xie)漏方(fang)式(shi)有內泄(xie)(xie)式(shi)和外(wai)泄(xie)(xie)式(shi)二種(zhong)。在(zai)油(you)(you)流(liu)反(fan)向(xiang)(xiang)出(chu)口無背壓(ya)的(de)油(you)(you)路(lu)中(zhong)(zhong)可用(yong)(yong)(yong)內泄(xie)(xie)式(shi);否(fou)則需用(yong)(yong)(yong)外(wai)泄(xie)(xie)式(shi),以(yi)降低控制(zhi)油(you)(you)壓(ya)力(li)。
單向閥(fa)(fa)就是止回(hui)閥(fa)(fa) 旋啟式止回(hui)閥(fa)(fa)安(an)(an)(an)裝位置不受限制(zhi),通(tong)常安(an)(an)(an)裝于水平管(guan)(guan)(guan)路(lu)(lu)(lu),但也可以安(an)(an)(an)裝于垂直(zhi)管(guan)(guan)(guan)路(lu)(lu)(lu)或傾斜管(guan)(guan)(guan)路(lu)(lu)(lu)上(shang)。安(an)(an)(an)裝止回(hui)閥(fa)(fa)時,應(ying)特別注意介(jie)質(zhi)(zhi)流動(dong)(dong)方向,應(ying)使介(jie)質(zhi)(zhi)正(zheng)常流動(dong)(dong)方向與(yu)閥(fa)(fa)體上(shang)指示的箭頭(tou)方向相一致(zhi),否則(ze)就會截斷介(jie)質(zhi)(zhi)的正(zheng)常流動(dong)(dong)。底閥(fa)(fa)應(ying)安(an)(an)(an)裝在水泵(beng)吸(xi)水管(guan)(guan)(guan)路(lu)(lu)(lu)的底端。
產品詳細說明
該(gai)單(dan)向(xiang)閥一個(ge)方向(xiang)無泄漏關閉,另一方向(xiang)允(yun)許自由流
通。
錐閥芯(xin)(3)的(de)行(xing)程受彈簧(huang)座(4)的(de)限制。彈簧(huang)(5)促使
錐閥芯(3)關(guan)閉。當無(wu)流量(liang)通(tong)過時,彈(dan)簧(5)將閥芯
(3)保持(chi)在關閉位置。
ZIS 6 ..-3XN型(用金屬密封(feng))
此(ci)閥在錐閥芯(3)和閥體(1)之間有一個金屬(shu)密(mi)封。因此(ci)特
別(bie)適用于(yu)(yu)工(gong)作壓力高(gao)于(yu)(yu)100bar和流速(su)大于(yu)(yu)4m/s的場(chang)合。
ZIS 10..1-3XNW4型(用軟質(zhi)材料密封)
此類閥在錐(zhui)閥芯(3)和閥體(1)之間有一軟質密(mi)封。因而(er)密(mi)
封嚴密。
產品型號
Z1S10T2-3X/V
Z1S10T3-3X/V
Z1S10C2-3X/V
Z1S10D2-3X/V
Z1S10P2-3X/V
Z1S10P3-3X/V
Z1S6D2-3X/V
Z1S10P1-3X/V
Z1S10T1-3X/V
Z1S10C1-3X/V
Z1S10A1-3X/V
Z1S10B1-3X/V
Z1S10D1-3X/V
Z1S10E1-3X/V
Z1S10F1-3X/V
Z1S10T1-3X/VW4
Z1S10D1-3X/VW4
Z1S16T3-1X/V
Z1SRA40F0-1X/M
Z1S6E05-4X/V
Z1S6F05-4X/V
Z1S6P05-4X/V
Z1S6P30-4X/V
Z1S6P50-4X/V
Z1S6T05-4X/V
Z1S6T30-4X/V
Z1S6A05-4X/V
Z1S6C05-4X/V