高平臺(tai)球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)按其通(tong)道(dao)位(wei)置可分為直(zhi)通(tong)式(shi)，三通(tong)式(shi)和直(zhi)角式(shi)。后(hou)兩種球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)用(yong)(yong)于分配(pei)介(jie)質(zhi)與改變介(jie)質(zhi)的流向。三片(pian)式(shi)球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)安(an)(an)裝與維護(hu)應(ying)注意以下事項：1、要留有(you)閥(fa)(fa)(fa)(fa)(fa)柄(bing)旋(xuan)轉(zhuan)的位(wei)置。2、不(bu)能用(yong)(yong)作(zuo)(zuo)節流。3、帶傳動機構的球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)應(ying)直(zhi)立安(an)(an)裝。二、偏(pian)心(xin)球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)的工作(zuo)(zuo)原理是靠旋(xuan)轉(zhuan)閥(fa)(fa)(fa)(fa)(fa)戀來(lai)使閥(fa)(fa)(fa)(fa)(fa)門(men)(men)暢(chang)通(tong)或閉塞。球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)開關輕(qing)便，體積(ji)小，可以做(zuo)成很大口徑，密封可靠，結構簡(jian)單，維修方便，密封面與球(qiu)(qiu)(qiu)面常(chang)在(zai)閉合狀態，不(bu)易被介(jie)質(zhi)沖蝕，在(zai)各行業得(de)到廣泛(fan)的應(ying)用(yong)(yong)。本類閥(fa)(fa)(fa)(fa)(fa)門(men)(men)在(zai)管道(dao)中一般應(ying)當水平安(an)(an)裝。鑄(zhu)鋼高平臺(tai)球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)設備(bei)，就(jiu)選浙江克亞閥(fa)(fa)(fa)(fa)(fa)門(men)(men)有(you)限公司，用(yong)(yong)戶(hu)的信賴之選，有(you)需求可以來(lai)電咨詢！內蒙古(gu)高平臺(tai)氣動球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)批發(fa)商

結(jie)構特(te)點:1、半(ban)(ban)球(qiu)(qiu)(qiu)(qiu)(qiu)體(ti)(ti)(ti)雙(shuang)偏(pian)(pian)心(xin)半(ban)(ban)球(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)(fa)的(de)半(ban)(ban)球(qiu)(qiu)(qiu)(qiu)(qiu)體(ti)(ti)(ti)采(cai)(cai)用(yong)(yong)雙(shuang)偏(pian)(pian)心(xin)設(she)計，密(mi)(mi)封(feng)(feng)效(xiao)果可靠，瞬間脫開(kai)，力矩(ju)小，使(shi)(shi)用(yong)(yong)壽(shou)命(ming)長。可應用(yong)(yong)在(zai)輸(shu)送顆粒類介質的(de)苛刻工(gong)(gong)況中(zhong)(zhong)(zhong)。其結(jie)構原理(li)是(shi)半(ban)(ban)球(qiu)(qiu)(qiu)(qiu)(qiu)體(ti)(ti)(ti)中(zhong)(zhong)(zhong)線(xian)與閥(fa)(fa)(fa)(fa)(fa)(fa)桿中(zhong)(zhong)(zhong)線(xian)偏(pian)(pian)置尺寸(cun)，與閥(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)(zuo)(zuo)中(zhong)(zhong)(zhong)線(xian)偏(pian)(pian)置尺寸(cun)，全(quan)開(kai)時(shi)(shi)球(qiu)(qiu)(qiu)(qiu)(qiu)體(ti)(ti)(ti)與閥(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)(zuo)(zuo)完全(quan)脫開(kai)，并有(you)一定的(de)間隙，回轉(zhuan)(zhuan)半(ban)(ban)徑分為長半(ban)(ban)徑和(he)短半(ban)(ban)徑，在(zai)長半(ban)(ban)徑轉(zhuan)(zhuan)動(dong)(dong)(dong)軌跡的(de)切線(xian)會(hui)與閥(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)(zuo)(zuo)密(mi)(mi)封(feng)(feng)面(mian)(mian)(mian)形成一個(ge)(ge)θ角，在(zai)閥(fa)(fa)(fa)(fa)(fa)(fa)門(men)啟閉(bi)時(shi)(shi)，半(ban)(ban)球(qiu)(qiu)(qiu)(qiu)(qiu)相對閥(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)(zuo)(zuo)面(mian)(mian)(mian)有(you)一個(ge)(ge)漸出(chu)脫離和(he)漸入擠壓(ya)(ya)的(de)作用(yong)(yong)，從(cong)而(er)降(jiang)(jiang)低(di)了(le)啟閉(bi)時(shi)(shi)閥(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)(zuo)(zuo)與半(ban)(ban)球(qiu)(qiu)(qiu)(qiu)(qiu)之間的(de)機械(xie)磨(mo)損和(he)擦傷，提(ti)(ti)高(gao)(gao)了(le)使(shi)(shi)用(yong)(yong)壽(shou)命(ming)。2、閥(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)(zuo)(zuo)(1)閥(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)(zuo)(zuo)采(cai)(cai)用(yong)(yong)浮動(dong)(dong)(dong)設(she)計，降(jiang)(jiang)低(di)加(jia)工(gong)(gong)難度。保證閥(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)(zuo)(zuo)中(zhong)(zhong)(zhong)心(xin)線(xian)與半(ban)(ban)球(qiu)(qiu)(qiu)(qiu)(qiu)體(ti)(ti)(ti)球(qiu)(qiu)(qiu)(qiu)(qiu)面(mian)(mian)(mian)中(zhong)(zhong)(zhong)心(xin)點重合(he)，從(cong)而(er)提(ti)(ti)高(gao)(gao)密(mi)(mi)封(feng)(feng)性能。閥(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)(zuo)(zuo)與閥(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti)(ti)有(you)間隙，裝配時(shi)(shi)利用(yong)(yong)半(ban)(ban)球(qiu)(qiu)(qiu)(qiu)(qiu)體(ti)(ti)(ti)定位(wei)可自動(dong)(dong)(dong)找正(zheng)中(zhong)(zhong)(zhong)線(xian)，保證閥(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)(zuo)(zuo)密(mi)(mi)封(feng)(feng)面(mian)(mian)(mian)與半(ban)(ban)球(qiu)(qiu)(qiu)(qiu)(qiu)體(ti)(ti)(ti)球(qiu)(qiu)(qiu)(qiu)(qiu)面(mian)(mian)(mian)全(quan)接觸(chu)，解決了(le)因加(jia)工(gong)(gong)精度誤(wu)差造成的(de)泄漏(lou)，提(ti)(ti)高(gao)(gao)了(le)球(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)(fa)的(de)使(shi)(shi)用(yong)(yong)性能及(ji)(ji)壽(shou)命(ming)。(2)閥(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)(zuo)(zuo)與閥(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti)(ti)間的(de)密(mi)(mi)封(feng)(feng)采(cai)(cai)用(yong)(yong)硬密(mi)(mi)封(feng)(feng)結(jie)構，適合(he)高(gao)(gao)溫、高(gao)(gao)壓(ya)(ya)工(gong)(gong)況。閥(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)(zuo)(zuo)與閥(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti)(ti)密(mi)(mi)封(feng)(feng)接觸(chu)面(mian)(mian)(mian)尺寸(cun)c值小，各自密(mi)(mi)封(feng)(feng)面(mian)(mian)(mian)精度要(yao)求高(gao)(gao)，在(zai)裝配時(shi)(shi)，護圈用(yong)(yong)電動(dong)(dong)(dong)沖擊扳手安裝，不僅是(shi)護圈與閥(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti)(ti)嚙(nie)合(he)，防止松動(dong)(dong)(dong)，而(er)且是(shi)閥(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)(zuo)(zuo)摩擦轉(zhuan)(zhuan)動(dong)(dong)(dong)，符合(he)機械(xie)振動(dong)(dong)(dong)嚙(nie)合(he)原理(li)，使(shi)(shi)閥(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)(zuo)(zuo)與閥(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti)(ti)可靠密(mi)(mi)封(feng)(feng)。(3)閥(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)(zuo)(zuo)與閥(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti)(ti)及(ji)(ji)閥(fa)(fa)(fa)(fa)(fa)(fa)座(zuo)(zuo)(zuo)與半(ban)(ban)球(qiu)(qiu)(qiu)(qiu)(qiu)體(ti)(ti)(ti)采(cai)(cai)用(yong)(yong)兩點硬密(mi)(mi)封(feng)(feng)。遼寧美標(biao)氣動(dong)(dong)(dong)球(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)(fa)廠價浙江克亞閥(fa)(fa)(fa)(fa)(fa)(fa)門(men)有(you)限(xian)公司致力于(yu)提(ti)(ti)供氣動(dong)(dong)(dong)高(gao)(gao)平臺(tai)球(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)(fa)(fa)設(she)備，歡迎您(nin)的(de)來(lai)電！

球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)的(de)主要(yao)功能是切斷或(huo)(huo)(huo)接通管道中的(de)流(liu)(liu)(liu)體(ti)(ti)通道。球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)的(de)工(gong)作(zuo)原(yuan)理是借助(zhu)驅動(dong)裝(zhuang)置在(zai)(zai)閥(fa)(fa)(fa)(fa)桿上端(duan)施(shi)加一定的(de)轉矩傳給球(qiu)(qiu)(qiu)體(ti)(ti)，使其旋轉90°，完成開啟或(huo)(huo)(huo)關閉(bi)閥(fa)(fa)(fa)(fa)門的(de)動(dong)作(zuo)。球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)(fa)閥(fa)(fa)(fa)(fa)座(zuo)的(de)密(mi)(mi)封原(yuan)理依其結構而異，常用的(de)閥(fa)(fa)(fa)(fa)座(zuo)結構可分為固定閥(fa)(fa)(fa)(fa)座(zuo)浮動(dong)球(qiu)(qiu)(qiu)體(ti)(ti)與(yu)浮動(dong)閥(fa)(fa)(fa)(fa)座(zuo)固定球(qiu)(qiu)(qiu)體(ti)(ti)兩(liang)大類(lei)。當閥(fa)(fa)(fa)(fa)座(zuo)固定球(qiu)(qiu)(qiu)體(ti)(ti)浮動(dong)時(shi)(shi)，在(zai)(zai)流(liu)(liu)(liu)體(ti)(ti)壓(ya)力(li)(li)作(zuo)用下球(qiu)(qiu)(qiu)體(ti)(ti)在(zai)(zai)流(liu)(liu)(liu)體(ti)(ti)流(liu)(liu)(liu)動(dong)方向產(chan)(chan)生(sheng)位(wei)移(yi)，使它與(yu)閥(fa)(fa)(fa)(fa)后閥(fa)(fa)(fa)(fa)座(zuo)密(mi)(mi)封而更緊密(mi)(mi)地接觸，即在(zai)(zai)該密(mi)(mi)封面(mian)上的(de)比壓(ya)增(zeng)大，形成單面(mian)密(mi)(mi)封，同時(shi)(shi)，閥(fa)(fa)(fa)(fa)前閥(fa)(fa)(fa)(fa)座(zuo)密(mi)(mi)封面(mian)上的(de)比壓(ya)相應減小(xiao)，往往不保(bao)證密(mi)(mi)封。當閥(fa)(fa)(fa)(fa)座(zuo)浮動(dong)球(qiu)(qiu)(qiu)體(ti)(ti)固定時(shi)(shi)，流(liu)(liu)(liu)體(ti)(ti)壓(ya)力(li)(li)不能使球(qiu)(qiu)(qiu)體(ti)(ti)產(chan)(chan)生(sheng)位(wei)移(yi)，而是閥(fa)(fa)(fa)(fa)座(zuo)借助(zhu)于彈簧或(huo)(huo)(huo)流(liu)(liu)(liu)體(ti)(ti)推力(li)(li)壓(ya)向球(qiu)(qiu)(qiu)體(ti)(ti)，建立密(mi)(mi)封比壓(ya)。

球(qiu)閥(fa)(fa)是(shi)(shi)由旋(xuan)塞閥(fa)(fa)演變而來(lai)，不同的(de)是(shi)(shi)旋(xuan)塞體是(shi)(shi)球(qiu)體，有(you)圓形(xing)通孔(kong)或通道通過其軸線。當球(qiu)旋(xuan)轉(zhuan)90°時，在進、出口處應(ying)全部呈現球(qiu)面(mian)，從而截斷流(liu)(liu)動。球(qiu)閥(fa)(fa)只需要(yao)用(yong)旋(xuan)轉(zhuan)90°的(de)操(cao)作(zuo)和(he)(he)(he)很小(xiao)的(de)轉(zhuan)動力矩就能關閉嚴密。完全平等的(de)閥(fa)(fa)體內腔為(wei)介質提供了(le)阻(zu)力很小(xiao)、直通的(de)流(liu)(liu)道。通常(chang)認為(wei)球(qiu)閥(fa)(fa)通常(chang)適宜(yi)直接(jie)做開閉使用(yong)，但近(jin)年(nian)來(lai)的(de)發展已將球(qiu)閥(fa)(fa)設(she)計(ji)成使它具有(you)節流(liu)(liu)和(he)(he)(he)控(kong)制流(liu)(liu)量的(de)用(yong)途(tu)。球(qiu)閥(fa)(fa)的(de)主要(yao)特點是(shi)(shi)本身結(jie)構緊(jin)湊，易于操(cao)作(zuo)和(he)(he)(he)維修，適用(yong)于水、溶劑、酸和(he)(he)(he)天然(ran)氣等一般工(gong)作(zuo)介質，而且(qie)還適用(yong)于工(gong)作(zuo)條件惡劣的(de)介質，如氧(yang)氣、過氧(yang)化(hua)氫(qing)、甲烷和(he)(he)(he)乙烯等。球(qiu)閥(fa)(fa)閥(fa)(fa)體可以是(shi)(shi)整(zheng)體的(de)，也可以是(shi)(shi)組合式的(de)。浙江克(ke)亞閥(fa)(fa)門有(you)限公(gong)司為(wei)您提供氣動高(gao)平臺球(qiu)閥(fa)(fa)設(she)備(bei)，歡迎(ying)新老客(ke)戶來(lai)電！

在管(guan)道工程中(zhong)，正(zheng)確(que)選(xuan)(xuan)用(yong)(yong)電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)閥(fa)門(men)(men)(men)是(shi)(shi)滿(man)足應(ying)(ying)(ying)(ying)用(yong)(yong)要求(qiu)的(de)(de)保(bao)證條(tiao)件之一。如果對所應(ying)(ying)(ying)(ying)用(yong)(yong)的(de)(de)電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)閥(fa)門(men)(men)(men)選(xuan)(xuan)擇(ze)不(bu)當，不(bu)只會影響應(ying)(ying)(ying)(ying)用(yong)(yong)，而且還會帶來不(bu)良后果或(huo)嚴重(zhong)的(de)(de)損失，因(yin)此，在管(guan)道工程設(she)計(ji)中(zhong)應(ying)(ying)(ying)(ying)正(zheng)確(que)選(xuan)(xuan)用(yong)(yong)電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)閥(fa)門(men)(men)(men)。電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)閥(fa)門(men)(men)(men)的(de)(de)義(yi)務(wu)(wu)(wu)環(huan)(huan)境(jing)(jing)(jing)電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)閥(fa)門(men)(men)(men)除(chu)應(ying)(ying)(ying)(ying)注意管(guan)道參數外，尚應(ying)(ying)(ying)(ying)特別注意其義(yi)務(wu)(wu)(wu)的(de)(de)環(huan)(huan)境(jing)(jing)(jing)條(tiao)件，由(you)于電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)閥(fa)門(men)(men)(men)中(zhong)的(de)(de)電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)裝(zhuang)(zhuang)(zhuang)置是(shi)(shi)一機電(dian)(dian)設(she)備，其義(yi)務(wu)(wu)(wu)狀(zhuang)態受其義(yi)務(wu)(wu)(wu)環(huan)(huan)境(jing)(jing)(jing)影響很(hen)大。通常狀(zhuang)態下(xia)，電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)閥(fa)門(men)(men)(men)所處義(yi)務(wu)(wu)(wu)環(huan)(huan)境(jing)(jing)(jing)有(you)(you)以(yi)下(xia)幾(ji)種(zhong)：1室內裝(zhuang)(zhuang)(zhuang)置或(huo)有(you)(you)防(fang)護方式戶外應(ying)(ying)(ying)(ying)用(yong)(yong)；2戶外露天裝(zhuang)(zhuang)(zhuang)置，有(you)(you)風(feng)、砂、雨露、陽光等侵蝕(shi)；3具有(you)(you)易(yi)(yi)燃(ran)、易(yi)(yi)爆氣(qi)體或(huo)粉塵環(huan)(huan)境(jing)(jing)(jing)；4濕(shi)熱(re)帶、干熱(re)帶地區(qu)環(huan)(huan)境(jing)(jing)(jing)；5管(guan)道介質(zhi)溫度(du)高(gao)達480℃以(yi)上(shang)(shang)；6環(huan)(huan)境(jing)(jing)(jing)溫度(du)低于－20℃以(yi)下(xia)；7易(yi)(yi)遭水淹(yan)或(huo)浸水中(zhong)；8具有(you)(you)放(fang)射(she)性物(wu)質(zhi)(核(he)電(dian)(dian)站及(ji)放(fang)射(she)性物(wu)質(zhi)試驗裝(zhuang)(zhuang)(zhuang)置)環(huan)(huan)境(jing)(jing)(jing)；9艦船(chuan)上(shang)(shang)或(huo)船(chuan)塢碼頭(有(you)(you)鹽霧、霉菌、潮濕(shi))的(de)(de)環(huan)(huan)境(jing)(jing)(jing)；10具有(you)(you)劇烈振(zhen)動(dong)(dong)(dong)(dong)(dong)的(de)(de)場合；易(yi)(yi)于發生火災的(de)(de)場合；對于上(shang)(shang)述環(huan)(huan)境(jing)(jing)(jing)中(zhong)的(de)(de)電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)閥(fa)門(men)(men)(men)，其電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)裝(zhuang)(zhuang)(zhuang)置結構、材(cai)料(liao)和防(fang)護方式皆不(bu)同。因(yin)此，應(ying)(ying)(ying)(ying)依(yi)據(ju)上(shang)(shang)述義(yi)務(wu)(wu)(wu)環(huan)(huan)境(jing)(jing)(jing)選(xuan)(xuan)擇(ze)相應(ying)(ying)(ying)(ying)的(de)(de)閥(fa)門(men)(men)(men)電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)裝(zhuang)(zhuang)(zhuang)置。電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)閥(fa)門(men)(men)(men)功(gong)能要求(qiu)依(yi)據(ju)工程控制(zhi)要求(qiu)，對電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)閥(fa)門(men)(men)(men)來講，其控制(zhi)功(gong)能是(shi)(shi)由(you)電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)裝(zhuang)(zhuang)(zhuang)置來完成的(de)(de)。應(ying)(ying)(ying)(ying)用(yong)(yong)電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)閥(fa)門(men)(men)(men)的(de)(de)宗旨，就是(shi)(shi)對閥(fa)門(men)(men)(men)的(de)(de)開、閉以(yi)及(ji)調節(jie)聯動(dong)(dong)(dong)(dong)(dong)完成非人工的(de)(de)電(dian)(dian)氣(qi)控制(zhi)或(huo)計(ji)算機控制(zhi)。鑄鋼高(gao)平(ping)臺球閥(fa)設(she)備，就選(xuan)(xuan)浙(zhe)江(jiang)克亞閥(fa)門(men)(men)(men)有(you)(you)限公(gong)司，有(you)(you)需(xu)要可以(yi)聯系我司哦(e)！寧夏美(mei)標高(gao)平(ping)臺球閥(fa)哪里好

浙江克(ke)亞閥(fa)門有限公司(si)是一家專業(ye)提供鑄鋼高平臺球閥(fa)設備(bei)的(de)公司(si)，有需求可以來電咨詢(xun)！內蒙古(gu)高平臺氣動球閥(fa)批發商

偏心(xin)半(ban)(ban)(ban)球閥(fa)以(yi)其開啟力小(xiao)，關閉時(shi)能破除結(jie)垢障(zhang)礙，流(liu)體(ti)(ti)阻力小(xiao)等優點(dian)，得到(dao)廣泛的(de)(de)(de)應用。在(zai)偏心(xin)半(ban)(ban)(ban)球閥(fa)試驗和(he)使用過程中難以(yi)觀察(cha)流(liu)體(ti)(ti)在(zai)閥(fa)體(ti)(ti)內(nei)(nei)部(bu)流(liu)場的(de)(de)(de)分布情況，對數(shu)據進行(xing)檢測難以(yi)實現，因此(ci)開展(zhan)閥(fa)門流(liu)體(ti)(ti)流(liu)場的(de)(de)(de)數(shu)值(zhi)模擬(ni)分析，對設(she)計(ji)和(he)產品(pin)結(jie)構優化具有重要意義。本文運(yun)用Ansys軟件，對某(mou)氧化鋁企業使用的(de)(de)(de)DN500半(ban)(ban)(ban)球閥(fa)在(zai)不(bu)同工況下進行(xing)了數(shu)值(zhi)模擬(ni)分析。以(yi)流(liu)體(ti)(ti)在(zai)半(ban)(ban)(ban)球閥(fa)閥(fa)瓣不(bu)同開度下的(de)(de)(de)流(liu)體(ti)(ti)分析為依據，改變(bian)閥(fa)瓣結(jie)構，實現半(ban)(ban)(ban)球閥(fa)的(de)(de)(de)優化設(she)計(ji)。內(nei)(nei)蒙古高平臺(tai)氣動球閥(fa)批(pi)發商(shang)

本(ben)文來自(zi)沈陽喜納(na)多采暖工(gong)程有限(xian)公司：//zjlong.cn/Article/58e399726.html