氣動擺動式陶瓷進料閥
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人氣：2125 發布時間：2015-05-29 11:46 關鍵詞：擺動式陶瓷進料閥 氣動擺動式陶瓷進料閥 上海品牌 產品型號： 應用領域：水處理 產品價格： 想了解更多產品詳情，請 |
擺動式陶瓷進料閥,,上海品牌 - 上海雄工閥門有限公司 |
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主要性能特點：
設計規范：GB/T 12224
的(de)(de)(de)(de)啟閉(bi)(bi)件(jian)是(shi)閘(zha)(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)，閘(zha)(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)的(de)(de)(de)(de)運(yun)動(dong)(dong)(dong)(dong)方向與流體(ti)(ti)(ti)方向相垂直，閘(zha)(zha)(zha)(zha)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)只能作(zuo)(zuo)(zuo)全(quan)(quan)開(kai)和全(quan)(quan)關,不(bu)能作(zuo)(zuo)(zuo)調節和節流。閘(zha)(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)有(you)(you)兩個(ge)密(mi)(mi)封(feng)(feng)面(mian),最常(chang)用的(de)(de)(de)(de)模(mo)式閘(zha)(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)兩個(ge)密(mi)(mi)封(feng)(feng)面(mian)形(xing)成(cheng)楔形(xing)、楔形(xing)角隨參數而(er)異(yi),通(tong)常(chang)為(wei)(wei)(wei)50,介質溫(wen)度(du)不(bu)高(gao)時(shi)(shi)(shi)為(wei)(wei)(wei)2°52'。楔式閘(zha)(zha)(zha)(zha)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)閘(zha)(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)可以(yi)做(zuo)(zuo)成(cheng)一(yi)個(ge)整 體(ti)(ti)(ti)，叫(jiao)(jiao)(jiao)做(zuo)(zuo)剛性(xing)閘(zha)(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)；也可以(yi)做(zuo)(zuo)成(cheng)能產生(sheng)微量變(bian)形(xing)的(de)(de)(de)(de)閘(zha)(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban),以(yi)改善其工(gong)藝性(xing),彌補(bu)密(mi)(mi)封(feng)(feng)面(mian)角度(du)在(zai)加工(gong)過程(cheng)中產生(sheng)的(de)(de)(de)(de)偏差(cha),這種(zhong)(zhong)閘(zha)(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)叫(jiao)(jiao)(jiao)做(zuo)(zuo)彈性(xing)閘(zha)(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)。閘(zha)(zha)(zha)(zha)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)關閉(bi)(bi)時(shi)(shi)(shi),密(mi)(mi)封(feng)(feng)面(mian)可以(yi)只依靠介質壓(ya)力來密(mi)(mi)封(feng)(feng),即依靠介質壓(ya)力將閘(zha)(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)的(de)(de)(de)(de)密(mi)(mi)封(feng)(feng)面(mian)壓(ya)向另一(yi)側的(de)(de)(de)(de)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)座來保證密(mi)(mi)封(feng)(feng)面(mian)的(de)(de)(de)(de)密(mi)(mi)封(feng)(feng)，這就是(shi)自密(mi)(mi)封(feng)(feng)。大部(bu)分是(shi)采用強制密(mi)(mi)封(feng)(feng)的(de)(de)(de)(de),即閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)關閉(bi)(bi)時(shi)(shi)(shi)，要依靠外(wai)力強行將閘(zha)(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)壓(ya)向閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)座,以(yi)保證密(mi)(mi)封(feng)(feng)面(mian)的(de)(de)(de)(de)密(mi)(mi)封(feng)(feng)性(xing)。閘(zha)(zha)(zha)(zha)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)閘(zha)(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)隨閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)桿(gan)(gan)(gan)一(yi)起作(zuo)(zuo)(zuo)直線(xian)運(yun)動(dong)(dong)(dong)(dong)的(de)(de)(de)(de)，叫(jiao)(jiao)(jiao)升降桿(gan)(gan)(gan)閘(zha)(zha)(zha)(zha)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)亦叫(jiao)(jiao)(jiao)明桿(gan)(gan)(gan)閘(zha)(zha)(zha)(zha)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)。通(tong)常(chang)在(zai)升降桿(gan)(gan)(gan)上有(you)(you)梯形(xing)螺(luo)紋(wen)，通(tong)過閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)頂(ding)端的(de)(de)(de)(de)螺(luo)母以(yi)及閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti)(ti)上的(de)(de)(de)(de)導槽(cao)，將旋轉(zhuan)(zhuan)運(yun)動(dong)(dong)(dong)(dong)變(bian)為(wei)(wei)(wei)直線(xian)運(yun)動(dong)(dong)(dong)(dong),也就是(shi)將操作(zuo)(zuo)(zuo)轉(zhuan)(zhuan)矩變(bian)為(wei)(wei)(wei)操作(zuo)(zuo)(zuo)推(tui)力。開(kai)啟閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)時(shi)(shi)(shi)，當閘(zha)(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)提升高(gao)度(du)等于(yu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)通(tong)徑的(de)(de)(de)(de)1：1倍時(shi)(shi)(shi)，流體(ti)(ti)(ti)的(de)(de)(de)(de)通(tong)道(dao)完全(quan)(quan)暢通(tong)，但在(zai)運(yun)行時(shi)(shi)(shi)，此位(wei)置(zhi)(zhi)是(shi)無法監(jian)視的(de)(de)(de)(de)。實際(ji)使用時(shi)(shi)(shi)，是(shi)以(yi)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)桿(gan)(gan)(gan)的(de)(de)(de)(de)頂(ding)點作(zuo)(zuo)(zuo)為(wei)(wei)(wei)標志(zhi)，即開(kai)不(bu)動(dong)(dong)(dong)(dong)的(de)(de)(de)(de)位(wei)置(zhi)(zhi)，作(zuo)(zuo)(zuo)為(wei)(wei)(wei)它(ta)的(de)(de)(de)(de)全(quan)(quan)開(kai)位(wei)置(zhi)(zhi)。為(wei)(wei)(wei)考慮溫(wen)度(du)變(bian)化出現鎖死(si)現象,通(tong)常(chang)在(zai)開(kai)到頂(ding)點位(wei)置(zhi)(zhi)上,再倒回1/2－1圈,作(zuo)(zuo)(zuo)為(wei)(wei)(wei)全(quan)(quan)開(kai)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)的(de)(de)(de)(de)位(wei)置(zhi)(zhi)。因此,的(de)(de)(de)(de)全(quan)(quan)開(kai)位(wei)置(zhi)(zhi)，按閘(zha)(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)的(de)(de)(de)(de)位(wei)置(zhi)(zhi)即行程(cheng)來確定。有(you)(you)的(de)(de)(de)(de)閘(zha)(zha)(zha)(zha)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa),閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)桿(gan)(gan)(gan)螺(luo)母設在(zai)閘(zha)(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)上，手輪轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)帶動(dong)(dong)(dong)(dong)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)桿(gan)(gan)(gan)轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong),而(er)使閘(zha)(zha)(zha)(zha)板(ban)(ban)(ban)(ban)(ban)提升,這種(zhong)(zhong)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)叫(jiao)(jiao)(jiao)做(zuo)(zuo)旋轉(zhuan)(zhuan)桿(gan)(gan)(gan)閘(zha)(zha)(zha)(zha)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)或叫(jiao)(jiao)(jiao)暗桿(gan)(gan)(gan)閘(zha)(zha)(zha)(zha)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)。
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