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球閥型號及其原理

人氣:938 發布時間:2009-12-04 10:35

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 球(qiu)(qiu)閥(fa)(Ball Valve):球(qiu)(qiu)閥(fa)的(de)(de)工作原(yuan)理和現實作用(yong): 球(qiu)(qiu)閥(fa)的(de)(de)工作原(yuan)理是靠旋轉閥(fa)桿來使閥(fa)門暢(chang)通或閉塞。球(qiu)(qiu)閥(fa)開關輕便,體積小,可(ke)以做成(cheng)很(hen)大口徑,密封可(ke)靠,結構 簡單(dan),維(wei)修方(fang)便,密封面與(yu)球(qiu)(qiu)面常在(zai)閉合狀(zhuang)態,不易(yi)被(bei)介質(zhi)沖(chong)蝕,在(zai)各行業得到廣泛的(de)(de)應(ying)用(yong)。

球(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)和(he)旋塞(sai)閥(fa)(fa)是同屬(shu)一(yi)個(ge)類型的(de)(de)(de)(de)閥(fa)(fa)門,區別在它的(de)(de)(de)(de)關(guan)閉件(jian)是個(ge)球(qiu)(qiu)(qiu)(qiu)體(ti),球(qiu)(qiu)(qiu)(qiu)體(ti)繞閥(fa)(fa)體(ti)中心線作(zuo)旋轉來(lai)達到開(kai)(kai)啟、關(guan)閉的(de)(de)(de)(de)一(yi)種閥(fa)(fa)門。 球(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)在管路中主要用(yong)(yong)來(lai)做(zuo)切斷、分配(pei)和(he)改變介質(zhi)的(de)(de)(de)(de)流動(dong)方向。球(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)是近年來(lai)被廣(guang)泛采用(yong)(yong)的(de)(de)(de)(de)一(yi)種新型閥(fa)(fa)門,它具有以下優點:1.  流體(ti)阻力(li)小,其(qi)阻力(li)系數與同長度的(de)(de)(de)(de)管段相等。  2.  結構簡單、體(ti)積小、重量輕。3.  緊密(mi)可靠,目前球(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)的(de)(de)(de)(de)密(mi)封(feng)(feng)面材(cai)料(liao)(liao)廣(guang)泛使(shi)用(yong)(yong)塑料(liao)(liao)、密(mi)封(feng)(feng)性好,在真空系統中也已(yi)廣(guang)泛使(shi)用(yong)(yong)。4.  操作(zuo)方便,開(kai)(kai)閉迅速,從全(quan)開(kai)(kai)到全(quan)關(guan)只要旋轉90°,便于遠距(ju)離的(de)(de)(de)(de)控制。5.  維修方便,球(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)結構簡單,密(mi)封(feng)(feng)圈一(yi)般都(dou)是活動(dong)的(de)(de)(de)(de),拆卸更換都(dou)比較方便。6.  在全(quan)開(kai)(kai)或全(quan)閉時,球(qiu)(qiu)(qiu)(qiu)體(ti)和(he)閥(fa)(fa)座的(de)(de)(de)(de)密(mi)封(feng)(feng)面與介質(zhi)隔離,介質(zhi)通(tong)過時,不會引起(qi)閥(fa)(fa)門密(mi)封(feng)(feng)面的(de)(de)(de)(de)侵蝕。7.  適用(yong)(yong)范圍廣(guang),通(tong)徑從小到幾毫米,大到幾米,從高真空至高壓力(li)都(dou)可應用(yong)(yong)。

球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa)按結構(gou)形(xing)式可(ke)分:一(yi)、浮動(dong)(dong)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa): 球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa)的(de)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)體(ti)(ti)(ti)(ti)(ti)是(shi)浮動(dong)(dong)的(de),在(zai)(zai)介(jie)(jie)(jie)質壓(ya)(ya)(ya)(ya)(ya)力作(zuo)用(yong)下(xia),球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)體(ti)(ti)(ti)(ti)(ti)能產(chan)生一(yi)定的(de)位(wei)移并緊壓(ya)(ya)(ya)(ya)(ya)在(zai)(zai)出(chu)(chu)口(kou)端的(de)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)面(mian)上(shang),保證(zheng)出(chu)(chu)口(kou)端密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)。浮動(dong)(dong)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa)的(de)結構(gou)簡(jian)單,密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)性好(hao),但球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)體(ti)(ti)(ti)(ti)(ti)承受(shou)工作(zuo)介(jie)(jie)(jie)質的(de)載荷(he)全部傳給(gei)了出(chu)(chu)口(kou)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan),因此要(yao)考慮密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)材(cai)料能否經受(shou)得(de)住球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)體(ti)(ti)(ti)(ti)(ti)介(jie)(jie)(jie)質的(de)工作(zuo)載荷(he)。這(zhe)種(zhong)(zhong)結構(gou),廣泛用(yong)于中低壓(ya)(ya)(ya)(ya)(ya)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa)。二(er)、固(gu)定球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa): 球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa)的(de)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)體(ti)(ti)(ti)(ti)(ti)是(shi)固(gu)定的(de),受(shou)壓(ya)(ya)(ya)(ya)(ya)后不產(chan)生移動(dong)(dong)。固(gu)定球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa)都帶有浮動(dong)(dong)閥(fa)(fa)(fa)座(zuo)(zuo),受(shou)介(jie)(jie)(jie)質壓(ya)(ya)(ya)(ya)(ya)力后,閥(fa)(fa)(fa)座(zuo)(zuo)產(chan)生移動(dong)(dong),使(shi)(shi)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)緊壓(ya)(ya)(ya)(ya)(ya)在(zai)(zai)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)體(ti)(ti)(ti)(ti)(ti)上(shang),以保證(zheng)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)。通(tong)常在(zai)(zai)與(yu)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)體(ti)(ti)(ti)(ti)(ti)的(de)上(shang)、下(xia)軸上(shang)裝有軸承,操作(zuo)扭(niu)距小,適用(yong)于高壓(ya)(ya)(ya)(ya)(ya)和(he)大口(kou)徑(jing)的(de)閥(fa)(fa)(fa)門(men)。為了減少(shao)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa)的(de)操作(zuo)扭(niu)矩和(he)增加密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)的(de)可(ke)靠(kao)程度,近年來又(you)出(chu)(chu)現(xian)(xian)了油封(feng)(feng)(feng)(feng)(feng)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa),既在(zai)(zai)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)面(mian)間(jian)(jian)壓(ya)(ya)(ya)(ya)(ya)注(zhu)特(te)制的(de)潤(run)滑油,以形(xing)成一(yi)層油膜,即(ji)增強了密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)性,又(you)減少(shao)了操作(zuo)扭(niu)矩,更適用(yong)高壓(ya)(ya)(ya)(ya)(ya)大口(kou)徑(jing)的(de)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa)。  三、彈性球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa): 球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa)的(de)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)體(ti)(ti)(ti)(ti)(ti)是(shi)彈性的(de)。球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)體(ti)(ti)(ti)(ti)(ti)和(he)閥(fa)(fa)(fa)座(zuo)(zuo)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)都采(cai)用(yong)金屬材(cai)料制造,密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)比壓(ya)(ya)(ya)(ya)(ya)很(hen)大,依(yi)靠(kao)介(jie)(jie)(jie)質本身的(de)壓(ya)(ya)(ya)(ya)(ya)力已(yi)達不到(dao)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)的(de)要(yao)求,必(bi)須施加外力。這(zhe)種(zhong)(zhong)閥(fa)(fa)(fa)門(men)適用(yong)于高溫高壓(ya)(ya)(ya)(ya)(ya)介(jie)(jie)(jie)質。彈性球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)體(ti)(ti)(ti)(ti)(ti)是(shi)在(zai)(zai)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)體(ti)(ti)(ti)(ti)(ti)內壁的(de)下(xia)端開一(yi)條彈性槽,而獲得(de)彈性。當關閉通(tong)道(dao)時,用(yong)閥(fa)(fa)(fa)桿的(de)楔(xie)形(xing)頭使(shi)(shi)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)體(ti)(ti)(ti)(ti)(ti)漲開與(yu)閥(fa)(fa)(fa)座(zuo)(zuo)壓(ya)(ya)(ya)(ya)(ya)緊達到(dao)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)。在(zai)(zai)轉動(dong)(dong)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)體(ti)(ti)(ti)(ti)(ti)之(zhi)前(qian)先(xian)松(song)開楔(xie)形(xing)頭,球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)體(ti)(ti)(ti)(ti)(ti)隨(sui)之(zhi)恢復(fu)原原形(xing),使(shi)(shi)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)體(ti)(ti)(ti)(ti)(ti)與(yu)閥(fa)(fa)(fa)座(zuo)(zuo)之(zhi)間(jian)(jian)出(chu)(chu)現(xian)(xian)很(hen)小的(de)間(jian)(jian)隙(xi),可(ke)以減少(shao)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)面(mian)的(de)摩擦和(he)操作(zuo)扭(niu)矩。

球閥按其通道位置可分為直通式,三通式和直角式。后兩種球閥用于分配介質與改變介質的流向。球閥安裝與維護應注意以下事項:1.要留有閥柄旋轉的位置。2. 不能用作節流。3帶傳動機構的球閥應直立安裝。

上海秉奇閥門有限公司球閥產品如下:

【Q11F一片式球閥】、【Q41F一體式防泄漏球閥】、【Q11F二片式內螺紋球閥】、【Q41F二片式法蘭球閥】、【Q11F三片式內螺紋球閥】、【Q41F三片式法蘭球閥】、【Q11F-16鑄鐵內螺紋球閥】、【Q41F-16鑄鐵球閥】、【Q41F鑄鋼法蘭球閥】、【Q11F不銹鋼法蘭球閥】、【Q41F不銹鋼法蘭球閥】、【Q11F-16T黃銅球閥】、【Q41F-16T黃銅球閥】、【Q11N鍛鋼內螺紋球閥】、【Q41N鍛鋼球閥】、【Q71N鍛鋼對夾球閥】、【Q11F內螺紋球閥】、【Q41F法蘭球閥】、【Q41H/Y法蘭球閥】、【Q41H/Y金屬硬密封球閥】、【Q47H/Y金屬硬密封球閥】、【Q11H、Q41H精小型三段式硬密封球閥】、【Q14F三通內螺紋球閥】、【Q15F三通內螺紋球閥】、【L型三通球閥Q44F】、【T型三通球閥 Q45F】、【Q41M高溫球閥】、【Q41F高壓球閥】、【DQ41F低溫球閥】、【DQ11F 低溫球閥】、【Q341F蝸輪傳動球閥】、【Q347F蝸輪傳動球閥】、【Q341H/Y蝸輪傳動球閥】、【Q341H/Y蝸輪傳動球閥】、【Q61F焊接式球閥】、【Q41N液化氣球閥】、【Q61F三片式焊接球閥 】、【Q61F三片式對焊球閥】、【Q61F三片式承插焊球閥】、【Q11F廣式內螺紋球閥】、【Q41F法蘭廣式球閥】、【Q46F四通球閥】、【Q71F對夾式球閥】、【Q41F薄型法蘭球閥】、【Q41F高平臺超薄型球閥】、【Q41F意式超薄型球閥 】、【Q41F美標法蘭球閥】、【Q47F美標球閥】、【Q47F 美標固定球閥】、【Q47F 軟密封固定球閥】、【Q347F美標蝸輪傳動球閥】、【Q41F日標法蘭球閥】、【BQ71F保溫球閥】、【BQ41F保溫球閥】、【Q41B氨用球閥】、【Q41F46襯氟球閥】、【YQ41F硅黃銅氧氣球閥】、【QY41F不銹鋼氧氣球閥】、【GQ47H/Y軌道球閥】、【Q941F電動球閥】、【Q941H電動球閥】、【Q911F電動球閥】、【Q941M電動高溫球閥】、【Q641F氣動球閥】、【Q641H氣動球閥】、【Q611F氣動球閥】、【Q611PPL氣動球閥】、【Q641M氣動高溫球閥】、【Q347Y長輸管線球閥】、【Q47MF噴煤粉專用球閥】、【Q41M焦爐專用球閥】、【EFQ647X氣動卸灰球閥】、【Q340F偏心半球閥】、【YHQ41上裝式斜面球閥】、【CQA槽車球閥】、【Q41F-4L鋁槽車球閥】、【Q3C1單法蘭放料球閥】、【FQ41F襯氟放料球閥】、【V型調節球閥】、【Q41TC陶瓷球閥】、【Q941TC電動陶瓷球閥】、【Q641TC氣動陶瓷球閥】、【Q41F高壓法蘭球閥】、【Q61N高壓對焊球閥】、【Q11N高壓鍛打小型球閥】、【電動V型調節球閥】、【氣動V型調節球閥】、【Q41F浮動式球閥】、【Q47F固定式球閥】、【Q61F塑料球閥】、【Q41F塑料球閥】、【GU高真空球閥】、【GUQ電動高真空球閥】、【GUD氣動高真空球閥】、【衛生級球閥】、【TQ11F 彈簧球閥】

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