一、浮動(dong)(dong)(dong)式球(qiu)(qiu)(qiu)閥(fa)結構特(te)點(dian)浮動(dong)(dong)(dong)式球(qiu)(qiu)(qiu)閥(fa)通(tong)過進出口兩(liang)個閥(fa)座密(mi)封圈，夾住中(zhong)間球(qiu)(qiu)(qiu)芯。轉動(dong)(dong)(dong)閥(fa)桿，帶動(dong)(dong)(dong)球(qiu)(qiu)(qiu)芯轉動(dong)(dong)(dong)90°實現(xian)球(qiu)(qiu)(qiu)閥(fa)的(de)開關(guan)(guan)動(dong)(dong)(dong)作(zuo)。球(qiu)(qiu)(qiu)芯在關(guan)(guan)閉時，閥(fa)桿頂端的(de)半圓形和球(qiu)(qiu)(qiu)芯的(de)半圓形凹槽方(fang)(fang)向一樣，在介質壓力作(zuo)用下，球(qiu)(qiu)(qiu)芯向出口方(fang)(fang)向移動(dong)(dong)(dong)，所(suo)以稱為浮動(dong)(dong)(dong)式球(qiu)(qiu)(qiu)閥(fa)。

進出(chu)(chu)口閥(fa)座有一(yi)定的(de)密(mi)封預(yu)緊力，包(bao)裹住(zhu)球芯。當閥(fa)門關閉時，介(jie)質壓(ya)力推動球芯，使其緊緊壓(ya)住(zhu)出(chu)(chu)口閥(fa)座密(mi)封圈，增加了出(chu)(chu)口閥(fa)座密(mi)封性，從而(er)保證(zheng)球閥(fa)的(de)密(mi)封性。

浮動式球(qiu)閥(fa)閥(fa)座除了預(yu)緊(jin)壓(ya)(ya)力帶(dai)來的載(zai)(zai)荷(he)，球(qiu)芯(xin)自重載(zai)(zai)荷(he)，還要(yao)考慮介質壓(ya)(ya)力推動球(qiu)芯(xin)，給(gei)出(chu)口閥(fa)座帶(dai)來的載(zai)(zai)荷(he)。在高(gao)壓(ya)(ya)力和大口徑球(qiu)閥(fa)時尤其要(yao)注意。避免(mian)閥(fa)座材(cai)料(liao)超(chao)過(guo)許(xu)用比(bi)壓(ya)(ya)，被球(qiu)芯(xin)壓(ya)(ya)壞(huai)，從而(er)發生內漏現象。常見的閥(fa)座材(cai)料(liao)有(you)，PTFE聚(ju)四氟乙烯、對位聚(ju)苯PPL、尼(ni)龍、PEEK、金屬硬(ying)密封等。浙江(jiang)萬(wan)聯閥(fa)業有(you)限公司為您提供球(qiu)閥(fa)產品，有(you)想法的不(bu)要(yao)錯過(guo)哦！陜西(xi)2507球(qiu)閥(fa)價格

浮(fu)動(dong)(dong)(dong)式(shi)(shi)(shi)(shi)(shi)(shi)球(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)和固(gu)定(ding)式(shi)(shi)(shi)(shi)(shi)(shi)球(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)區(qu)別1、密(mi)(mi)(mi)封結構(gou)不(bu)同(tong)(tong)浮(fu)動(dong)(dong)(dong)式(shi)(shi)(shi)(shi)(shi)(shi)球(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)球(qiu)(qiu)(qiu)(qiu)(qiu)芯(xin)(xin)(xin)(xin)可(ke)以(yi)(yi)沿著流道(dao)(dao)(dao)移動(dong)(dong)(dong)，閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)不(bu)動(dong)(dong)(dong)。固(gu)定(ding)式(shi)(shi)(shi)(shi)(shi)(shi)球(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)球(qiu)(qiu)(qiu)(qiu)(qiu)芯(xin)(xin)(xin)(xin)不(bu)能沿著流道(dao)(dao)(dao)移動(dong)(dong)(dong)，閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)可(ke)以(yi)(yi)移動(dong)(dong)(dong)。浮(fu)動(dong)(dong)(dong)式(shi)(shi)(shi)(shi)(shi)(shi)球(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)只(zhi)有(you)(you)上(shang)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)桿(gan)，球(qiu)(qiu)(qiu)(qiu)(qiu)芯(xin)(xin)(xin)(xin)可(ke)以(yi)(yi)沿著流道(dao)(dao)(dao)方向移動(dong)(dong)(dong)，通(tong)(tong)過介質(zhi)壓(ya)(ya)(ya)(ya)力(li)推(tui)動(dong)(dong)(dong)球(qiu)(qiu)(qiu)(qiu)(qiu)芯(xin)(xin)(xin)(xin)壓(ya)(ya)(ya)(ya)緊(jin)(jin)出(chu)口(kou)(kou)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)，實現(xian)單(dan)(dan)側強制(zhi)密(mi)(mi)(mi)封。固(gu)定(ding)式(shi)(shi)(shi)(shi)(shi)(shi)球(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)球(qiu)(qiu)(qiu)(qiu)(qiu)芯(xin)(xin)(xin)(xin)有(you)(you)上(shang)下兩個閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)桿(gan)，通(tong)(tong)過上(shang)下閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)桿(gan)將球(qiu)(qiu)(qiu)(qiu)(qiu)芯(xin)(xin)(xin)(xin)固(gu)定(ding)在閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)體上(shang)，球(qiu)(qiu)(qiu)(qiu)(qiu)芯(xin)(xin)(xin)(xin)不(bu)能沿著流道(dao)(dao)(dao)方向移動(dong)(dong)(dong)，通(tong)(tong)過閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)移動(dong)(dong)(dong)抱緊(jin)(jin)球(qiu)(qiu)(qiu)(qiu)(qiu)芯(xin)(xin)(xin)(xin)實現(xian)密(mi)(mi)(mi)封。2、適(shi)用工況不(bu)同(tong)(tong)浮(fu)球(qiu)(qiu)(qiu)(qiu)(qiu)式(shi)(shi)(shi)(shi)(shi)(shi)球(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)多(duo)用于低(di)壓(ya)(ya)(ya)(ya)，小(xiao)口(kou)(kou)徑。過高壓(ya)(ya)(ya)(ya)力(li)時，介質(zhi)推(tui)動(dong)(dong)(dong)球(qiu)(qiu)(qiu)(qiu)(qiu)芯(xin)(xin)(xin)(xin)會壓(ya)(ya)(ya)(ya)壞出(chu)口(kou)(kou)端閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)、并(bing)且增加(jia)球(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)扭(niu)矩。固(gu)定(ding)式(shi)(shi)(shi)(shi)(shi)(shi)球(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)多(duo)用于高壓(ya)(ya)(ya)(ya)、大口(kou)(kou)徑。例如(ru)西氣東(dong)輸天然氣管道(dao)(dao)(dao)，壓(ya)(ya)(ya)(ya)力(li)可(ke)達1500LB通(tong)(tong)徑DN1500mm。其閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)壓(ya)(ya)(ya)(ya)緊(jin)(jin)球(qiu)(qiu)(qiu)(qiu)(qiu)芯(xin)(xin)(xin)(xin)的(de)結構(gou)可(ke)以(yi)(yi)減小(xiao)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)密(mi)(mi)(mi)封壓(ya)(ya)(ya)(ya)力(li)。減小(xiao)球(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)扭(niu)矩。3、閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)密(mi)(mi)(mi)封不(bu)同(tong)(tong)固(gu)定(ding)式(shi)(shi)(shi)(shi)(shi)(shi)球(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)可(ke)以(yi)(yi)實現(xian)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)前單(dan)(dan)向密(mi)(mi)(mi)封，閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)后單(dan)(dan)向密(mi)(mi)(mi)封，閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)前雙向密(mi)(mi)(mi)封，閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)后雙向密(mi)(mi)(mi)封，中腔泄壓(ya)(ya)(ya)(ya)等功能。浮(fu)動(dong)(dong)(dong)式(shi)(shi)(shi)(shi)(shi)(shi)球(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)則是依(yi)靠出(chu)口(kou)(kou)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)實現(xian)強制(zhi)密(mi)(mi)(mi)封。黑龍(long)江300LB球(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)廠(chang)家浙江萬聯閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)業有(you)(you)限公(gong)司是一(yi)家專(zhuan)業提(ti)供球(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)產品(pin)的(de)公(gong)司，有(you)(you)需求可(ke)以(yi)(yi)來電咨(zi)詢！

Q46F不(bu)(bu)銹(xiu)鋼四(si)(si)通(tong)(tong)球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)Q46F不(bu)(bu)銹(xiu)鋼四(si)(si)通(tong)(tong)球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)在(zai)電(dian)站系(xi)統(tong)中稱(cheng)(cheng)為(wei)雙向(xiang)供水(shui)轉(zhuan)(zhuan)閥(fa)(fa)(fa)(在(zai)石化(hua)系(xi)統(tong)中也稱(cheng)(cheng)空氣(qi)(qi)換向(xiang)切換閥(fa)(fa)(fa))適(shi)用(yong)于(yu)液(ye)體(ti)(ti)(ti)(ti)、氣(qi)(qi)體(ti)(ti)(ti)(ti)、粉塵、漿料及舍(she)固體(ti)(ti)(ti)(ti)顆粒介質(zhi)的(de)循環系(xi)統(tong)。采(cai)用(yong)四(si)(si)通(tong)(tong)球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)替代該工(gong)藝管(guan)匯和閥(fa)(fa)(fa)組的(de)工(gong)作(zuo)原理(li)，簡化(hua)程(cheng)序(xu)、方(fang)便(bian)操(cao)作(zuo)、降(jiang)低成本(ben)、便(bian)于(yu)控制、同步性(xing)好(hao)。產品(pin)名稱(cheng)(cheng)：不(bu)(bu)銹(xiu)鋼四(si)(si)通(tong)(tong)球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)產品(pin)型號：Q46F公稱(cheng)(cheng)通(tong)(tong)徑：DN15～DN100結構形式(shi)：球(qiu)(qiu)(qiu)形公稱(cheng)(cheng)壓(ya)力：～：法(fa)蘭、螺紋適(shi)用(yong)溫度：≤425oC驅動(dong)(dong)方(fang)式(shi)：手動(dong)(dong)、蝸輪(lun)、電(dian)動(dong)(dong)、氣(qi)(qi)動(dong)(dong)閥(fa)(fa)(fa)體(ti)(ti)(ti)(ti)材(cai)質(zhi)：鑄鋼、不(bu)(bu)銹(xiu)鋼制造標(biao)準：國標(biao)GB、德國DIN、美國API、ANSI、ISO適(shi)用(yong)介質(zhi)：食品(pin)、水(shui)、油(you)、氣(qi)(qi)體(ti)(ti)(ti)(ti)、液(ye)體(ti)(ti)(ti)(ti)生(sheng)產廠家(jia)：上海凱利科閥(fa)(fa)(fa)門有(you)限公司(si)產品(pin)說明Q46F不(bu)(bu)銹(xiu)鋼四(si)(si)通(tong)(tong)球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)在(zai)電(dian)站系(xi)統(tong)中稱(cheng)(cheng)為(wei)雙向(xiang)供水(shui)轉(zhuan)(zhuan)閥(fa)(fa)(fa)(在(zai)石化(hua)系(xi)統(tong)中也稱(cheng)(cheng)空氣(qi)(qi)換向(xiang)切換閥(fa)(fa)(fa))適(shi)用(yong)于(yu)液(ye)體(ti)(ti)(ti)(ti)、氣(qi)(qi)體(ti)(ti)(ti)(ti)、粉塵、漿料及舍(she)固體(ti)(ti)(ti)(ti)顆粒介質(zhi)的(de)循環系(xi)統(tong)。采(cai)用(yong)四(si)(si)通(tong)(tong)球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)替代該工(gong)藝管(guan)匯和閥(fa)(fa)(fa)組的(de)工(gong)作(zuo)原理(li)，簡化(hua)程(cheng)序(xu)、方(fang)便(bian)操(cao)作(zuo)、降(jiang)低成本(ben)、便(bian)于(yu)控制、同步性(xing)好(hao)。執行標(biao)準設計規范：GB/T12237API6DAPI608BS5351結構長度：GB/：GB/：GB/T13927API598API6D特(te)(te)點1、針對(dui)電(dian)力系(xi)統(tong)冷(leng)卻(que)器正(zheng)反供水(shui)特(te)(te)定(ding)工(gong)藝過程(cheng)設計，功(gong)能適(shi)用(yong)、可靠;2、頂裝式(shi)固定(ding)球(qiu)(qiu)(qiu)四(si)(si)面(mian)座閥(fa)(fa)(fa)芯結構密封性(xing)能好(hao)、耐(nai)沙粒磨損、使用(yong)壽命(ming)長;3、電(dian)動(dong)(dong)、氣(qi)(qi)動(dong)(dong)操(cao)作(zuo)。

電(dian)(dian)動(dong)球(qiu)閥(fa)(fa)(fa)(fa)是(shi)一(yi)種(zhong)(zhong)常見的(de)(de)(de)(de)閥(fa)(fa)(fa)(fa)門(men)(men)(men)類型(xing)(xing)，廣泛應用(yong)于工(gong)業、化(hua)工(gong)、石油、制(zhi)藥等(deng)(deng)領域(yu)(yu)的(de)(de)(de)(de)自動(dong)化(hua)控制(zhi)系統中。它(ta)(ta)具有(you)開(kai)關(guan)迅速、密封(feng)效果(guo)好、使用(yong)壽(shou)命(ming)長、操(cao)作(zuo)方(fang)便等(deng)(deng)優點。本文簡(jian)單的(de)(de)(de)(de)介紹七種(zhong)(zhong)常用(yong)的(de)(de)(de)(de)電(dian)(dian)動(dong)球(qiu)閥(fa)(fa)(fa)(fa)一(yi)、開(kai)關(guan)型(xing)(xing)電(dian)(dian)動(dong)球(qiu)閥(fa)(fa)(fa)(fa)開(kai)關(guan)型(xing)(xing)電(dian)(dian)動(dong)球(qiu)閥(fa)(fa)(fa)(fa)是(shi)一(yi)種(zhong)(zhong)可(ke)快速開(kai)關(guan)的(de)(de)(de)(de)閥(fa)(fa)(fa)(fa)門(men)(men)(men)，其(qi)(qi)結(jie)構簡(jian)單，維護方(fang)便。該(gai)閥(fa)(fa)(fa)(fa)門(men)(men)(men)適(shi)用(yong)于水(shui)、氣、油等(deng)(deng)流(liu)(liu)體(ti)(ti)的(de)(de)(de)(de)開(kai)關(guan)控制(zhi)，可(ke)用(yong)于管道和(he)設(she)備的(de)(de)(de)(de)進出口(kou)，也可(ke)用(yong)于介質流(liu)(liu)向的(de)(de)(de)(de)切換。二、調(diao)節型(xing)(xing)電(dian)(dian)動(dong)球(qiu)閥(fa)(fa)(fa)(fa)調(diao)節型(xing)(xing)電(dian)(dian)動(dong)球(qiu)閥(fa)(fa)(fa)(fa)是(shi)一(yi)種(zhong)(zhong)可(ke)精確調(diao)節流(liu)(liu)量的(de)(de)(de)(de)閥(fa)(fa)(fa)(fa)門(men)(men)(men)，其(qi)(qi)結(jie)構與開(kai)關(guan)型(xing)(xing)電(dian)(dian)動(dong)球(qiu)閥(fa)(fa)(fa)(fa)類似，但增加了調(diao)節功(gong)能(neng)。該(gai)閥(fa)(fa)(fa)(fa)門(men)(men)(men)適(shi)用(yong)于需要(yao)對流(liu)(liu)量進行精確調(diao)節的(de)(de)(de)(de)場合，如溫(wen)度、壓力(li)等(deng)(deng)工(gong)藝參(can)數的(de)(de)(de)(de)控制(zhi)。三、防(fang)爆(bao)型(xing)(xing)電(dian)(dian)動(dong)球(qiu)閥(fa)(fa)(fa)(fa)防(fang)爆(bao)型(xing)(xing)電(dian)(dian)動(dong)球(qiu)閥(fa)(fa)(fa)(fa)是(shi)一(yi)種(zhong)(zhong)具有(you)防(fang)爆(bao)功(gong)能(neng)的(de)(de)(de)(de)閥(fa)(fa)(fa)(fa)門(men)(men)(men)，適(shi)用(yong)于易(yi)(yi)燃易(yi)(yi)爆(bao)氣體(ti)(ti)的(de)(de)(de)(de)場合。它(ta)(ta)的(de)(de)(de)(de)電(dian)(dian)機采用(yong)防(fang)爆(bao)型(xing)(xing)電(dian)(dian)機，具有(you)較(jiao)高(gao)(gao)(gao)(gao)的(de)(de)(de)(de)安全性能(neng)。該(gai)閥(fa)(fa)(fa)(fa)門(men)(men)(men)適(shi)用(yong)于石油、化(hua)工(gong)等(deng)(deng)領域(yu)(yu)中的(de)(de)(de)(de)易(yi)(yi)燃易(yi)(yi)爆(bao)氣體(ti)(ti)輸(shu)送和(he)排放(fang)(fang)過程(cheng)。四、高(gao)(gao)(gao)(gao)溫(wen)型(xing)(xing)電(dian)(dian)動(dong)球(qiu)閥(fa)(fa)(fa)(fa)高(gao)(gao)(gao)(gao)溫(wen)型(xing)(xing)電(dian)(dian)動(dong)球(qiu)閥(fa)(fa)(fa)(fa)是(shi)一(yi)種(zhong)(zhong)適(shi)用(yong)于高(gao)(gao)(gao)(gao)溫(wen)工(gong)況的(de)(de)(de)(de)閥(fa)(fa)(fa)(fa)門(men)(men)(men)，其(qi)(qi)結(jie)構特(te)殊，采用(yong)高(gao)(gao)(gao)(gao)溫(wen)材(cai)質，能(neng)夠在高(gao)(gao)(gao)(gao)溫(wen)環境下正(zheng)常工(gong)作(zuo)。該(gai)閥(fa)(fa)(fa)(fa)門(men)(men)(men)適(shi)用(yong)于高(gao)(gao)(gao)(gao)溫(wen)氣體(ti)(ti)、液體(ti)(ti)的(de)(de)(de)(de)輸(shu)送和(he)排放(fang)(fang)過程(cheng)，如發電(dian)(dian)廠(chang)、冶煉廠(chang)等(deng)(deng)高(gao)(gao)(gao)(gao)溫(wen)工(gong)藝流(liu)(liu)程(cheng)。五(wu)、防(fang)腐型(xing)(xing)電(dian)(dian)動(dong)球(qiu)閥(fa)(fa)(fa)(fa)防(fang)腐型(xing)(xing)電(dian)(dian)動(dong)球(qiu)閥(fa)(fa)(fa)(fa)是(shi)一(yi)種(zhong)(zhong)適(shi)用(yong)于強腐蝕性介質的(de)(de)(de)(de)閥(fa)(fa)(fa)(fa)門(men)(men)(men)，其(qi)(qi)材(cai)質和(he)結(jie)構經過特(te)殊處理(li)。球(qiu)閥(fa)(fa)(fa)(fa)產品，就選浙江萬聯(lian)閥(fa)(fa)(fa)(fa)業有(you)限公司(si)，有(you)需求可(ke)以來電(dian)(dian)咨詢(xun)！

以(yi)煤氣化系統中鎖渣(zha)閥的(de)(de)(de)主密(mi)(mi)封(feng)(feng)結(jie)(jie)構(gou)(gou)為研(yan)究對象,采用不可壓(ya)縮平(ping)(ping)均流動模型,建立了球面(mian)縫隙(xi)流動的(de)(de)(de)泄漏(lou)量(liang)模型;提出(chu)了粗糙平(ping)(ping)面(mian)下的(de)(de)(de)平(ping)(ping)均泄漏(lou)量(liang)計算(suan)方(fang)(fang)法,通過等效接觸方(fang)(fang)程計算(suan)粗糙平(ping)(ping)面(mian)的(de)(de)(de)接觸壓(ya)力,揭(jie)示了球閥表面(mian)粗糙度,表面(mian)紋理結(jie)(jie)構(gou)(gou)對閥門泄漏(lou)量(liang)的(de)(de)(de)影響規律,以(yi)及閥門泄漏(lou)量(liang)與(yu)密(mi)(mi)封(feng)(feng)比(bi)壓(ya)的(de)(de)(de)對應關系.結(jie)(jie)果表明(ming):在滿(man)足密(mi)(mi)封(feng)(feng)的(de)(de)(de)前提下,橫(heng)向紋理特征所需密(mi)(mi)封(feng)(feng)比(bi)壓(ya)遠(yuan)小(xiao)(xiao)于縱向紋理特征表面(mian);密(mi)(mi)封(feng)(feng)寬度越大,所需密(mi)(mi)封(feng)(feng)比(bi)壓(ya)越小(xiao)(xiao);相同(tong)泄漏(lou)量(liang)情況下,高溫所需的(de)(de)(de)密(mi)(mi)封(feng)(feng)比(bi)壓(ya)明(ming)顯大于常溫時的(de)(de)(de)密(mi)(mi)封(feng)(feng)比(bi)壓(ya).該研(yan)究結(jie)(jie)果對工程中球閥表面(mian)加工精度,紋理結(jie)(jie)構(gou)(gou)及密(mi)(mi)封(feng)(feng)比(bi)壓(ya)的(de)(de)(de)選擇具有一定(ding)的(de)(de)(de)參考價值(zhi).浙(zhe)江(jiang)萬聯閥業有限公司(si)球閥產品(pin)獲(huo)得眾多用戶(hu)的(de)(de)(de)認可。廣西美標(biao)球閥哪(na)里好

球(qiu)閥(fa)產(chan)品，就選浙江萬聯閥(fa)業有限公司(si)，讓您滿意，歡迎您的來電哦！陜西2507球(qiu)閥(fa)價格

球(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)的(de)(de)功能(neng)與旋塞(sai)(sai)閥(fa)(fa)類似(球(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)是旋塞(sai)(sai)閥(fa)(fa)的(de)(de)派生產(chan)品)，由于(yu)價格便宜(yi)，球(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)比旋塞(sai)(sai)閥(fa)(fa)使(shi)用(yong)(yong)更(geng)多。球(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)特點:在眾(zhong)多閥(fa)(fa)門中其流(liu)(liu)(liu)體(ti)阻力更(geng)小，流(liu)(liu)(liu)動性更(geng)好，密(mi)(mi)封效(xiao)果較好、啟(qi)閉迅(xun)速(su)、維(wei)修方便。球(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)一(yi)般可(ke)以從球(qiu)(qiu)(qiu)(qiu)體(ti)結構形(xing)(xing)式、閥(fa)(fa)體(ti)結構形(xing)(xing)式、流(liu)(liu)(liu)道(dao)形(xing)(xing)式和(he)(he)閥(fa)(fa)座(zuo)材料(liao)(liao)來進行(xing)分(fen)類。按(an)(an)球(qiu)(qiu)(qiu)(qiu)體(ti)結構形(xing)(xing)式分(fen)有(you)浮(fu)動球(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)和(he)(he)固定球(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)。前者(zhe)多用(yong)(yong)于(yu)小口(kou)徑，后者(zhe)用(yong)(yong)于(yu)大口(kou)徑;按(an)(an)閥(fa)(fa)體(ti)結構形(xing)(xing)式分(fen)有(you)一(yi)片(pian)式、兩(liang)片(pian)式和(he)(he)三(san)片(pian)式三(san)種。一(yi)片(pian)式又有(you)頂(ding)裝式和(he)(he)側裝式兩(liang)種;按(an)(an)流(liu)(liu)(liu)道(dao)形(xing)(xing)式分(fen)有(you)全通(tong)(tong)徑和(he)(he)縮(suo)徑。縮(suo)徑球(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)比全通(tong)(tong)徑球(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)用(yong)(yong)料(liao)(liao)少，價格便宜(yi)，如果工藝條件允許，可(ke)以考慮優先使(shi)用(yong)(yong);球(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)流(liu)(liu)(liu)道(dao)可(ke)分(fen)為直通(tong)(tong)、三(san)通(tong)(tong)、四(si)通(tong)(tong)，適用(yong)(yong)于(yu)氣、液(ye)相流(liu)(liu)(liu)體(ti)多向分(fen)配;按(an)(an)閥(fa)(fa)座(zuo)材料(liao)(liao)分(fen)有(you)軟(ruan)密(mi)(mi)封和(he)(he)硬密(mi)(mi)封。當用(yong)(yong)于(yu)可(ke)燃(ran)介質或者(zhe)外部(bu)環境有(you)可(ke)能(neng)燃(ran)燒時，軟(ruan)密(mi)(mi)封球(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)應具有(you)防(fang)(fang)靜電、防(fang)(fang)火設計(ji)，制造商的(de)(de)產(chan)品應通(tong)(tong)過防(fang)(fang)靜電、防(fang)(fang)火試驗(yan)。球(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)的(de)(de)應用(yong)(yong):一(yi)般適用(yong)(yong)于(yu)低溫、高壓、漿液(ye)、黏性流(liu)(liu)(liu)體(ti)以及(ji)對密(mi)(mi)封要求較高的(de)(de)介質管(guan)道(dao)上。對于(yu)要求快速(su)啟(qi)閉的(de)(de)場(chang)合一(yi)般選用(yong)(yong)球(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)，不能(neng)用(yong)(yong)作調節流(liu)(liu)(liu)量。陜西(xi)2507球(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)價格

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