FCG-01單向調速閥 適用(yong)范圍:液壓(ya)機械 工業 礦業 產品別名:油(you)研流量控制閥單向調速閥 適用(yong)介質:油(you)品 適用(yong)溫(wen)(wen)度(du):-10-80(℃) 公(gong)(gong)稱壓(ya)力:21(MPa) 公(gong)(gong)稱通徑:6(mm) 安裝(zhuang)形(xing)式(shi):板式(shi) 工作溫(wen)(wen)度(du):常溫(wen)(wen) 類型(通道(dao)位置):先導式(shi)
FCG-02-30-N-30單向調速閥(fa) 調速閥(fa)是進(jin)行了壓(ya)(ya)力補償(chang)的節(jie)流閥(fa)。它由定差減(jian)壓(ya)(ya)閥(fa)和節(jie)流閥(fa)串聯(lian)而(er)成。節(jie)流閥(fa)前、后的壓(ya)(ya)力p2和p3分別引到減(jian)壓(ya)(ya)閥(fa)閥(fa)芯(xin)(xin)右、左兩端,當負載(zai)壓(ya)(ya)力p3增(zeng)大(da),于是作用在減(jian)壓(ya)(ya)閥(fa)芯(xin)(xin)左端的液壓(ya)(ya)力增(zeng)大(da),閥(fa)芯(xin)(xin)右移,減(jian)壓(ya)(ya)口加(jia)大(da),壓(ya)(ya)降減(jian)小(xiao),使p2也增(zeng)大(da),從而(er)使節(jie)流閥(fa)的壓(ya)(ya)差(p2-p3)保持(chi)不(bu)變;反(fan)之亦然。這(zhe)樣就(jiu)使調速閥(fa)的流量恒定不(bu)變(不(bu)受負載(zai)影響)。
FCG-02-30-30單(dan)向(xiang)調速閥(fa) 適(shi)(shi)(shi)用范圍:液(ye)壓(ya)機(ji)械 工業 礦業 產(chan)品別名(ming):油研流量控制閥(fa)單(dan)向(xiang)調速閥(fa) 適(shi)(shi)(shi)用介質:油品 適(shi)(shi)(shi)用溫度:-10-80(℃) 公稱壓(ya)力:21(MPa) 公稱通徑:6(mm) 安裝形(xing)式:板式
FCG-03-125-N-30單向(xiang)(xiang)(xiang)調(diao)速閥(fa)(fa)(fa) 單向(xiang)(xiang)(xiang)閥(fa)(fa)(fa)有(you)直通(tong)式(shi)(shi)(shi)和(he)直角式(shi)(shi)(shi)兩種。直通(tong)式(shi)(shi)(shi)單向(xiang)(xiang)(xiang)閥(fa)(fa)(fa)用(yong)(yong)螺紋連(lian)接(jie)安裝在管路上。直角式(shi)(shi)(shi)單向(xiang)(xiang)(xiang)閥(fa)(fa)(fa)有(you)螺紋連(lian)接(jie)、板式(shi)(shi)(shi)連(lian)接(jie)和(he)法(fa)蘭(lan)連(lian)接(jie)三種形式(shi)(shi)(shi)。液(ye)控單向(xiang)(xiang)(xiang)閥(fa)(fa)(fa)也稱閉鎖閥(fa)(fa)(fa)或保壓閥(fa)(fa)(fa),它與單向(xiang)(xiang)(xiang)閥(fa)(fa)(fa)相同,用(yong)(yong)以防止(zhi)油(you)液(ye)反向(xiang)(xiang)(xiang)流動。
FG-03-125-N-30單(dan)向調速閥 單(dan)向閥是流(liu)(liu)(liu)(liu)體(ti)只能沿進(jin)水(shui)口流(liu)(liu)(liu)(liu)動,出(chu)水(shui)口介質卻無法(fa)回(hui)流(liu)(liu)(liu)(liu),俗稱(cheng)單(dan)向閥。單(dan)向閥又稱(cheng)止回(hui)閥或逆(ni)止閥。用于液(ye)壓(ya)系統中(zhong)防止油流(liu)(liu)(liu)(liu)反向流(liu)(liu)(liu)(liu)動,或者(zhe)用于氣動系統中(zhong)防止壓(ya)縮(suo)空氣逆(ni)向流(liu)(liu)(liu)(liu)動。
FCG-01-4-11液壓(ya)(ya)單(dan)向(xiang)(xiang)(xiang)(xiang)調(diao)速閥(fa)(fa)(fa) 液壓(ya)(ya)單(dan)向(xiang)(xiang)(xiang)(xiang)閥(fa)(fa)(fa)是依靠控(kong)制(zhi)流(liu)體壓(ya)(ya)力,可以(yi)使(shi)單(dan)向(xiang)(xiang)(xiang)(xiang)閥(fa)(fa)(fa)反(fan)向(xiang)(xiang)(xiang)(xiang)流(liu)通(tong)(tong)的(de)閥(fa)(fa)(fa)。這種閥(fa)(fa)(fa)在煤礦(kuang)機械的(de)液壓(ya)(ya)支護設備中(zhong)占有較(jiao)重要的(de)地位。液壓(ya)(ya)單(dan)向(xiang)(xiang)(xiang)(xiang)閥(fa)(fa)(fa)與普通(tong)(tong)單(dan)向(xiang)(xiang)(xiang)(xiang)閥(fa)(fa)(fa)不同之(zhi)處是多了一(yi) 個控(kong)制(zhi)油(you)(you)(you)路K,當(dang)控(kong)制(zhi)油(you)(you)(you)路未接通(tong)(tong)壓(ya)(ya)力油(you)(you)(you)液時(shi),液壓(ya)(ya)單(dan)向(xiang)(xiang)(xiang)(xiang)閥(fa)(fa)(fa)就(jiu)象普通(tong)(tong)單(dan)向(xiang)(xiang)(xiang)(xiang)閥(fa)(fa)(fa)一(yi)樣工(gong)作,壓(ya)(ya)力油(you)(you)(you)只(zhi)從進(jin)油(you)(you)(you)口流(liu)向(xiang)(xiang)(xiang)(xiang)出油(you)(you)(you)口,不能(neng)反(fan)向(xiang)(xiang)(xiang)(xiang)流(liu)動(dong)。當(dang)控(kong)制(zhi)油(you)(you)(you)路油(you)(you)(you)控(kong)制(zhi)壓(ya)(ya)力輸入 時(shi),活(huo)塞頂(ding)桿在壓(ya)(ya)力油(you)(you)(you)作用(yong)下向(xiang)(xiang)(xiang)(xiang)右移動(dong),用(yong)頂(ding)桿頂(ding)開單(dan)向(xiang)(xiang)(xiang)(xiang)閥(fa)(fa)(fa),使(shi)進(jin)出油(you)(you)(you)口接通(tong)(tong)。
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