上裝式偏心半(ban)球(qiu)(qiu)閥(fa)(fa)(fa)(fa)的(de)(de)(de)(de)主(zhu)要(yao)特點壓(ya)力(li)損失小:全(quan)(quan)(quan)開時(shi)流(liu)道完(wan)全(quan)(quan)(quan)暢(chang)通:內腔(qiang)自(zi)動(dong)清洗(xi)，閥(fa)(fa)(fa)(fa)芯90度(du)(du)旋(xuan)轉，自(zi)動(dong)沖(chong)(chong)洗(xi)閥(fa)(fa)(fa)(fa)體內腔(qiang)，將介質(zhi)中(zhong)(zhong)的(de)(de)(de)(de)雜(za)物(wu)清清洗(xi)干凈并且介個質(zhi)不(bu)會(hui)沉積在(zai)閥(fa)(fa)(fa)(fa)腔(qiang)內。球(qiu)(qiu)體為半(ban)球(qiu)(qiu)形，流(liu)通具有(you)比較(jiao)高(gao)的(de)(de)(de)(de)Cv值，增強了泵的(de)(de)(de)(de)系統(tong)效率(lv)，并使(shi)(shi)磨蝕降(jiang)為比較(jiao)低(di)的(de)(de)(de)(de)程度(du)(du)。耐顆(ke)粒磨損:利用(yong)雙偏心的(de)(de)(de)(de)原理在(zai)關閉過程中(zhong)(zhong)，只(zhi)在(zai)臨終一刻球(qiu)(qiu)冠才靠向(xiang)閥(fa)(fa)(fa)(fa)座(zuo)(zuo)(zuo)，而(er)不(bu)形成摩擦;且閥(fa)(fa)(fa)(fa)座(zuo)(zuo)(zuo)上的(de)(de)(de)(de)密(mi)封(feng)環堆(dui)焊準焊耐磨自(zi)潤滑合(he)金，不(bu)易(yi)磨損，不(bu)易(yi)被沖(chong)(chong)刷;刀形球(qiu)(qiu)口的(de)(de)(de)(de)球(qiu)(qiu)冠與(yu)閥(fa)(fa)(fa)(fa)座(zuo)(zuo)(zuo)之(zhi)間(jian)具有(you)擦拭清掃和剪(jian)切作(zuo)用(yong)，不(bu)易(yi)結垢。適合(he)高(gao)流(liu)速介質(zhi):因球(qiu)(qiu)體隱藏在(zai)閥(fa)(fa)(fa)(fa)腔(qiang)的(de)(de)(de)(de)一側而(er)形成直(zhi)通流(liu)道流(liu)阻(zu)小，堅固(gu)的(de)(de)(de)(de)偏心固(gu)定(ding)曲(qu)軸(zhou)，在(zai)高(gao)流(liu)速的(de)(de)(de)(de)介質(zhi)中(zhong)(zhong)無振(zhen)動(dong)、無噪音。自(zi)動(dong)補償(chang)密(mi)封(feng)可(ke)靠:正壓(ya)時(shi)，利用(yong)偏心的(de)(de)(de)(de)原理，球(qiu)(qiu)體與(yu)閥(fa)(fa)(fa)(fa)座(zuo)(zuo)(zuo)越(yue)關越(yue)緊(jin)，從而(er)得到(dao)(dao)良(liang)(liang)好(hao)的(de)(de)(de)(de)密(mi)封(feng):反壓(ya)時(shi)，浮動(dong)式調座(zuo)(zuo)(zuo)在(zai)受壓(ya)作(zuo)用(yong)下(xia)，閥(fa)(fa)(fa)(fa)座(zuo)(zuo)(zuo)自(zi)動(dong)向(xiang)球(qiu)(qiu)體推緊(jin)，壓(ya)力(li)越(yue)高(gao)，閥(fa)(fa)(fa)(fa)座(zuo)(zuo)(zuo)向(xiang)球(qiu)(qiu)體越(yue)推越(yue)緊(jin)，從而(er)得到(dao)(dao)良(liang)(liang)好(hao)的(de)(de)(de)(de)密(mi)封(feng);可(ke)保持久的(de)(de)(de)(de)緊(jin)密(mi)封(feng)，能(neng)(neng)適應昔刻的(de)(de)(de)(de)工況(kuang)。在(zai)長(chang)期的(de)(de)(de)(de)使(shi)(shi)用(yong)下(xia)，閥(fa)(fa)(fa)(fa)座(zuo)(zuo)(zuo)密(mi)封(feng)如有(you)磨損或損傷(shang)，在(zai)彈簧(huang)作(zuo)用(yong)下(xia)閥(fa)(fa)(fa)(fa)座(zuo)(zuo)(zuo)自(zi)動(dong)向(xiang)球(qiu)(qiu)體推緊(jin)，從而(er)得到(dao)(dao)良(liang)(liang)好(hao)的(de)(de)(de)(de)自(zi)動(dong)補償(chang)功能(neng)(neng)。壽命長(chang)開關輕松:無易(yi)損部件，由于偏心的(de)(de)(de)(de)作(zuo)用(yong)，閥(fa)(fa)(fa)(fa)]啟閉過程中(zhong)(zhong)球(qiu)(qiu)體與(yu)閥(fa)(fa)(fa)(fa)座(zuo)(zuo)(zuo)的(de)(de)(de)(de)密(mi)封(feng)面完(wan)全(quan)(quan)(quan)脫離，使(shi)(shi)閥(fa)(fa)(fa)(fa)座(zuo)(zuo)(zuo)表面與(yu)球(qiu)(qiu)冠球(qiu)(qiu)面間(jian)無擦傷(shang)做無摩擦轉動(dong)。球(qiu)(qiu)閥(fa)(fa)(fa)(fa)設備(bei)，就選(xuan)浙江意(yi)隆閥(fa)(fa)(fa)(fa)業有(you)限公(gong)司(si)，用(yong)戶(hu)的(de)(de)(de)(de)信賴之(zhi)選(xuan)，有(you)想法可(ke)以來我司(si)咨詢(xun)！上海全(quan)(quan)(quan)通徑偏心半(ban)球(qiu)(qiu)閥(fa)(fa)(fa)(fa)哪家好(hao)

對氣(qi)(qi)動(dong)(dong)(dong)球(qiu)閥(fa)(fa)(fa)(fa)(fa)進(jin)(jin)(jin)行(xing)(xing)開關(guan)試驗，觀察閥(fa)(fa)(fa)(fa)(fa)門(men)的開閉情況(kuang)。應轉動(dong)(dong)(dong)靈(ling)活無卡阻現(xian)象。在開關(guan)如有(you)卡阻現(xian)象可(ke)增高(gao)氣(qi)(qi)壓(ya)，反復開關(guan)使閥(fa)(fa)(fa)(fa)(fa)門(men)調(diao)(diao)(diao)到開關(guan)靈(ling)活即可(ke)。安裝(zhuang)(zhuang)調(diao)(diao)(diao)試開關(guan)型氣(qi)(qi)動(dong)(dong)(dong)球(qiu)閥(fa)(fa)(fa)(fa)(fa)時，先用手動(dong)(dong)(dong)裝(zhuang)(zhuang)置(zhi)進(jin)(jin)(jin)行(xing)(xing)（電磁(ci)閥(fa)(fa)(fa)(fa)(fa)上的手動(dong)(dong)(dong)按鈕）調(diao)(diao)(diao)試、動(dong)(dong)(dong)作(zuo)正常后在通電調(diao)(diao)(diao)試。氣(qi)(qi)動(dong)(dong)(dong)球(qiu)閥(fa)(fa)(fa)(fa)(fa)應定(ding)(ding)(ding)(ding)期進(jin)(jin)(jin)行(xing)(xing)維護保養閥(fa)(fa)(fa)(fa)(fa)桿(gan)轉動(dong)(dong)(dong)處，應三個(ge)月加(jia)(jia)油(you)（機油(you)）一(yi)(yi)次。定(ding)(ding)(ding)(ding)期對氣(qi)(qi)動(dong)(dong)(dong)執行(xing)(xing)單元和配合使用的空氣(qi)(qi)過(guo)濾器(qi)(qi)進(jin)(jin)(jin)行(xing)(xing)放(fang)水、排(pai)(pai)污。正常的情況(kuang)下(xia)六個(ge)月檢(jian)查一(yi)(yi)次，每年檢(jian)修一(yi)(yi)次。氣(qi)(qi)動(dong)(dong)(dong)偏心(xin)半(ban)球(qiu)閥(fa)(fa)(fa)(fa)(fa)；故障分析與排(pai)(pai)除故障分析原(yuan)因分析排(pai)(pai)除故障閥(fa)(fa)(fa)(fa)(fa)不動(dong)(dong)(dong)作(zuo)定(ding)(ding)(ding)(ding)位器(qi)(qi)有(you)氣(qi)(qi)源(yuan)但(dan)沒輸出定(ding)(ding)(ding)(ding)位器(qi)(qi)中放(fang)大器(qi)(qi)的恒節流(liu)孔(kong)堵(du)塞(sai)按一(yi)(yi)下(xia)清洗(xi)件旋(xuan)鈕進(jin)(jin)(jin)行(xing)(xing)清洗(xi)壓(ya)縮(suo)空氣(qi)(qi)中有(you)水份，聚積于放(fang)大器(qi)(qi)球(qiu)閥(fa)(fa)(fa)(fa)(fa)處用手推動(dong)(dong)(dong)滑閥(fa)(fa)(fa)(fa)(fa)動(dong)(dong)(dong)作(zuo)數次，并應增加(jia)(jia)凈化(hua)空氣(qi)(qi)措施有(you)信號(hao)但(dan)仍無動(dong)(dong)(dong)作(zuo)閥(fa)(fa)(fa)(fa)(fa)芯與閥(fa)(fa)(fa)(fa)(fa)座卡死拆(chai)卸重裝(zhuang)(zhuang)閥(fa)(fa)(fa)(fa)(fa)桿(gan)變形或折斷更換(huan)閥(fa)(fa)(fa)(fa)(fa)桿(gan)閥(fa)(fa)(fa)(fa)(fa)芯脫落（銷子斷了(le)），閥(fa)(fa)(fa)(fa)(fa)塞(sai)脫落更換(huan)銷子執行(xing)(xing)機構故障檢(jian)查各(ge)接管(guan)連接是否正確，氣(qi)(qi)源(yuan)壓(ya)力是否達(da)標閥(fa)(fa)(fa)(fa)(fa)的動(dong)(dong)(dong)作(zuo)不穩(wen)定(ding)(ding)(ding)(ding)氣(qi)(qi)源(yuan)、信號(hao)壓(ya)力一(yi)(yi)定(ding)(ding)(ding)(ding)，但(dan)調(diao)(diao)(diao)節閥(fa)(fa)(fa)(fa)(fa)動(dong)(dong)(dong)作(zuo)仍不穩(wen)定(ding)(ding)(ding)(ding)定(ding)(ding)(ding)(ding)位器(qi)(qi)有(you)毛病重裝(zhuang)(zhuang)定(ding)(ding)(ding)(ding)位器(qi)(qi)輸出管(guan)線漏氣(qi)(qi)緊固(gu)管(guan)線接頭執行(xing)(xing)機構開度太小，流(liu)體壓(ya)力變化(hua)造成推力不足加(jia)(jia)大氣(qi)(qi)源(yuan)壓(ya)力閥(fa)(fa)(fa)(fa)(fa)門(men)摩(mo)擦力大調(diao)(diao)(diao)整閥(fa)(fa)(fa)(fa)(fa)座壓(ya)入間隙閥(fa)(fa)(fa)(fa)(fa)震蕩。固(gu)定(ding)(ding)(ding)(ding)球(qiu)閥(fa)(fa)(fa)(fa)(fa)參數浙江意隆閥(fa)(fa)(fa)(fa)(fa)業有(you)限公司致(zhi)力于提供(gong)球(qiu)閥(fa)(fa)(fa)(fa)(fa)設(she)備(bei)，有(you)想(xiang)法的可(ke)以來(lai)電咨(zi)詢(xun)！

全(quan)(quan)(quan)(quan)(quan)通(tong)(tong)徑(jing)(jing)(jing)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)和(he)(he)全(quan)(quan)(quan)(quan)(quan)通(tong)(tong)徑(jing)(jing)(jing)半(ban)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)的(de)(de)區別(bie)一(yi)、全(quan)(quan)(quan)(quan)(quan)通(tong)(tong)徑(jing)(jing)(jing)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)和(he)(he)全(quan)(quan)(quan)(quan)(quan)通(tong)(tong)徑(jing)(jing)(jing)半(ban)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)的(de)(de)定義(yi)及(ji)用(yong)途全(quan)(quan)(quan)(quan)(quan)通(tong)(tong)徑(jing)(jing)(jing)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)是(shi)一(yi)種球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)形(xing)的(de)(de)閥(fa)門，可(ke)(ke)全(quan)(quan)(quan)(quan)(quan)開(kai)(kai)或全(quan)(quan)(quan)(quan)(quan)閉(bi)，具有快速切換和(he)(he)良好的(de)(de)截(jie)(jie)流(liu)(liu)性能(neng)(neng)，適(shi)(shi)用(yong)于(yu)(yu)(yu)液體和(he)(he)氣(qi)體管道(dao)(dao)。全(quan)(quan)(quan)(quan)(quan)通(tong)(tong)徑(jing)(jing)(jing)半(ban)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)是(shi)一(yi)種半(ban)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)形(xing)的(de)(de)閥(fa)門，閥(fa)門的(de)(de)內部孔徑(jing)(jing)(jing)與管道(dao)(dao)相(xiang)(xiang)同，進出口相(xiang)(xiang)當，在使(shi)(shi)用(yong)時(shi)會(hui)有更(geng)(geng)小的(de)(de)阻(zu)力(li)(li)(li)和(he)(he)損失。二、外形(xing)和(he)(he)結(jie)(jie)構全(quan)(quan)(quan)(quan)(quan)通(tong)(tong)徑(jing)(jing)(jing)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)是(shi)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)形(xing)的(de)(de)，通(tong)(tong)常(chang)由(you)一(yi)個(ge)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)體、兩(liang)個(ge)密封座、一(yi)個(ge)止動裝(zhuang)置(zhi)和(he)(he)一(yi)個(ge)轉動手柄等(deng)部分組成。球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)體與管道(dao)(dao)軸向對中，旋(xuan)轉角度通(tong)(tong)常(chang)為90度或更(geng)(geng)小。全(quan)(quan)(quan)(quan)(quan)通(tong)(tong)徑(jing)(jing)(jing)半(ban)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)的(de)(de)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)體只(zhi)有半(ban)個(ge)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)形(xing)，內腔(qiang)的(de)(de)形(xing)狀(zhuang)與管道(dao)(dao)相(xiang)(xiang)同，結(jie)(jie)構相(xiang)(xiang)對簡單。三(san)、流(liu)(liu)通(tong)(tong)特(te)性由(you)于(yu)(yu)(yu)全(quan)(quan)(quan)(quan)(quan)通(tong)(tong)徑(jing)(jing)(jing)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)體阻(zu)力(li)(li)(li)小，且可(ke)(ke)以(yi)實(shi)現(xian)360度的(de)(de)全(quan)(quan)(quan)(quan)(quan)開(kai)(kai)或全(quan)(quan)(quan)(quan)(quan)閉(bi)狀(zhuang)態，因此在使(shi)(shi)用(yong)時(shi)流(liu)(liu)通(tong)(tong)特(te)性更(geng)(geng)好，可(ke)(ke)承受更(geng)(geng)大的(de)(de)流(liu)(liu)量和(he)(he)壓力(li)(li)(li)。而(er)全(quan)(quan)(quan)(quan)(quan)通(tong)(tong)徑(jing)(jing)(jing)半(ban)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)體的(de)(de)流(liu)(liu)通(tong)(tong)截(jie)(jie)面為半(ban)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)形(xing)，相(xiang)(xiang)對而(er)言，流(liu)(liu)通(tong)(tong)能(neng)(neng)力(li)(li)(li)和(he)(he)阻(zu)力(li)(li)(li)都要小一(yi)些。由(you)于(yu)(yu)(yu)其球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)體形(xing)狀(zhuang)，全(quan)(quan)(quan)(quan)(quan)通(tong)(tong)徑(jing)(jing)(jing)半(ban)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)通(tong)(tong)常(chang)更(geng)(geng)適(shi)(shi)合(he)氣(qi)體管道(dao)(dao)。四、適(shi)(shi)用(yong)范圍全(quan)(quan)(quan)(quan)(quan)通(tong)(tong)徑(jing)(jing)(jing)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)在廣泛應用(yong)于(yu)(yu)(yu)石化、制藥(yao)、食品、紡織和(he)(he)普(pu)通(tong)(tong)工業等(deng)領(ling)域。適(shi)(shi)用(yong)于(yu)(yu)(yu)水、油、氣(qi)體等(deng)介質(zhi)管路(lu)連(lian)續(xu)運輸及(ji)控制系統(tong)中中自動控制。全(quan)(quan)(quan)(quan)(quan)通(tong)(tong)徑(jing)(jing)(jing)半(ban)球(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)(qiu)閥(fa)通(tong)(tong)常(chang)適(shi)(shi)用(yong)于(yu)(yu)(yu)空調、暖通(tong)(tong)、供水及(ji)一(yi)些氣(qi)態介質(zhi)的(de)(de)管道(dao)(dao)。

氣(qi)(qi)(qi)動(dong)(dong)球(qiu)(qiu)(qiu)閥(fa)與其它閥(fa)門(men)種類(lei)相比，具有(you)(you)角行程輸出(chu)扭矩，開啟迅速、平(ping)(ping)穩可(ke)靠(kao)，適用(yong)寬(kuan)泛，等(deng)以(yi)下一(yi)(yi)些優點。止(zhi)推軸承(cheng)減小(xiao)閥(fa)桿磨擦力(li)矩，可(ke)使(shi)閥(fa)桿長(chang)(chang)期操作平(ping)(ping)穩靈活。防靜電(dian)功能：在球(qiu)(qiu)(qiu)體(ti)(ti)(ti)、閥(fa)桿、閥(fa)體(ti)(ti)(ti)之間設(she)置彈簧，能將開關(guan)過程產生的(de)靜電(dian)導出(chu)。由(you)于(yu)聚四氟乙(yi)(yi)烯等(deng)材(cai)料具有(you)(you)良好的(de)自潤滑(hua)性，與球(qiu)(qiu)(qiu)體(ti)(ti)(ti)的(de)磨擦損失(shi)小(xiao)，故(gu)氣(qi)(qi)(qi)動(dong)(dong)球(qiu)(qiu)(qiu)閥(fa)的(de)使(shi)用(yong)壽命長(chang)(chang)。流體(ti)(ti)(ti)阻(zu)力(li)小(xiao)：氣(qi)(qi)(qi)動(dong)(dong)球(qiu)(qiu)(qiu)閥(fa)是(shi)(shi)所有(you)(you)閥(fa)門(men)分(fen)類(lei)中流體(ti)(ti)(ti)阻(zu)力(li)很小(xiao)的(de)一(yi)(yi)種，即使(shi)是(shi)(shi)縮(suo)徑氣(qi)(qi)(qi)動(dong)(dong)球(qiu)(qiu)(qiu)閥(fa)，其流體(ti)(ti)(ti)阻(zu)力(li)也相當小(xiao)。閥(fa)桿密(mi)(mi)(mi)封(feng)(feng)(feng)可(ke)靠(kao)：由(you)于(yu)閥(fa)桿只作彷轉動(dong)(dong)運(yun)而(er)(er)不做(zuo)升降運(yun)動(dong)(dong)，閥(fa)桿的(de)填料密(mi)(mi)(mi)封(feng)(feng)(feng)不易破壞，且密(mi)(mi)(mi)封(feng)(feng)(feng)能力(li)隨著介(jie)質的(de)壓力(li)增高而(er)(er)增大(da)。閥(fa)座密(mi)(mi)(mi)封(feng)(feng)(feng)性能好：采用(yong)聚四氟乙(yi)(yi)烯等(deng)彈性材(cai)料制成的(de)密(mi)(mi)(mi)封(feng)(feng)(feng)圈，結構易于(yu)密(mi)(mi)(mi)封(feng)(feng)(feng)，而(er)(er)且氣(qi)(qi)(qi)動(dong)(dong)球(qiu)(qiu)(qiu)閥(fa)的(de)閥(fa)封(feng)(feng)(feng)能力(li)隨著介(jie)質壓力(li)的(de)增高而(er)(er)增大(da)。浙江意隆(long)閥(fa)業有(you)(you)限(xian)公司(si)是(shi)(shi)一(yi)(yi)家專業提供球(qiu)(qiu)(qiu)閥(fa)設(she)備(bei)的(de)公司(si)，有(you)(you)需求可(ke)以(yi)來電(dian)咨詢！

PQ340側裝(zhuang)式偏(pian)心半球閥(fa)(fa)(fa)的(de)(de)結構(gou)采用(yong)(yong)偏(pian)心-契緊(jin)原理通(tong)過傳(chuan)動機構(gou)達(da)到閘緊(jin)、調(diao)節(jie)、關(guan)閉的(de)(de)目的(de)(de)，密(mi)封(feng)副是金(jin)屬(shu)面環(huan)帶硬面接觸的(de)(de)密(mi)封(feng)，雙(shuang)偏(pian)心結構(gou)在開啟(qi)時閥(fa)(fa)(fa)芯位于(yu)藏(zang)球室內，流(liu)量截面大，且閥(fa)(fa)(fa)門(men)不(bu)被沖(chong)刷，關(guan)閉時閥(fa)(fa)(fa)芯不(bu)被沖(chong)刷，開啟(qi)時閥(fa)(fa)(fa)芯球面沿閥(fa)(fa)(fa)座漸近，切除結垢(gou)障礙，實現可(ke)靠密(mi)封(feng)。它對兩(liang)相(xiang)混(hun)(hun)流(liu)易結垢(gou)固體析出的(de)(de)混(hun)(hun)流(liu)輸(shu)(shu)送特(te)(te)(te)別有(you)效(xiao)(xiao)。第二個特(te)(te)(te)點(dian)閥(fa)(fa)(fa)門(men)的(de)(de)半球用(yong)(yong)雙(shuang)金(jin)屬(shu)，母(mu)材上堆焊(han)不(bu)同(tong)(tong)的(de)(de)合(he)金(jin)，閥(fa)(fa)(fa)座也作(zuo)相(xiang)應堆焊(han)經特(te)(te)(te)殊的(de)(de)處(chu)理，密(mi)封(feng)面組(zu)合(he)成防腐(fu)(fu)(fu)、耐(nai)磨等各種類型(xing)，滿足不(bu)同(tong)(tong)場(chang)合(he)需求。第三(san)個特(te)(te)(te)點(dian)密(mi)封(feng)嚴(yan)緊(jin)，輸(shu)(shu)送有(you)害氣(qi)體可(ke)達(da)零泄(xie)漏第四個特(te)(te)(te)點(dian)是密(mi)封(feng)副的(de)(de)閥(fa)(fa)(fa)芯留有(you)補(bu)償量，當閥(fa)(fa)(fa)座磨損(閥(fa)(fa)(fa)座硬度低于(yu)閥(fa)(fa)(fa)芯)后(hou)，關(guan)閉時再(zai)轉動少許，仍能可(ke)靠密(mi)封(feng)，延(yan)長使用(yong)(yong)壽(shou)命(ming)，此外，用(yong)(yong)戶(hu)將壓緊(jin)螺母(mu)擰掉(diao)，調(diao)整或更換后(hou)閥(fa)(fa)(fa)座仍可(ke)使用(yong)(yong)，避免(mian)了(le)現行眾多(duo)閥(fa)(fa)(fa)門(men)密(mi)封(feng)失效(xiao)(xiao)整臺報(bao)廢的(de)(de)弊(bi)端。因此堆焊(han)不(bu)同(tong)(tong)合(he)金(jin)(或組(zu)合(he)球)雙(shuang)金(jin)屬(shu)密(mi)封(feng)副的(de)(de)選配(pei)可(ke)以用(yong)(yong)于(yu)耐(nai)磨、耐(nai)腐(fu)(fu)(fu)蝕(shi)、耐(nai)高(gao)溫等且又要(yao)求嚴(yan)格密(mi)封(feng)的(de)(de)不(bu)同(tong)(tong)工業部(bu)門(men)。產(chan)品(pin)的(de)(de)主要(yao)用(yong)(yong)途及特(te)(te)(te)點(dian):1、通(tong)用(yong)(yong)閥(fa)(fa)(fa)適用(yong)(yong)于(yu)污水處(chu)理、紙(zhi)漿、城市來(lai)暖供(gong)熱等要(yao)求嚴(yan)緊(jin)的(de)(de)場(chang)合(he)。2、油化(hua)式工專屬(shu)閥(fa)(fa)(fa)適用(yong)(yong)于(yu)原油、重油等各類油品(pin)、化(hua)工行業弱腐(fu)(fu)(fu)蝕(shi)、二相(xiang)混(hun)(hun)流(liu)介質。浙江(jiang)意隆閥(fa)(fa)(fa)業有(you)限公司為您(nin)提供(gong)球閥(fa)(fa)(fa)設備(bei)，期待為您(nin)設備(bei)！陜西球閥(fa)(fa)(fa)哪(na)里好

浙江(jiang)意(yi)隆(long)閥業有限公司為您提供球閥設(she)備，有需(xu)要可以(yi)聯系我司哦！上海全通(tong)徑偏心半(ban)球閥哪家好

硬(ying)(ying)密封球(qiu)(qiu)閥都是需要經過硬(ying)(ying)化工(gong)(gong)藝處理的，那么(me)都有什么(me)硬(ying)(ying)化工(gong)(gong)藝呢？球(qiu)(qiu)體(ti)表(biao)(biao)面(mian)(mian)(mian)鍍(du)硬(ying)(ying)鉻(ge)，硬(ying)(ying)度(du)可達40～55HRC，厚度(du)0.07～0.10mm，鍍(du)鉻(ge)層(ceng)(ceng)硬(ying)(ying)度(du)高、耐(nai)(nai)磨、耐(nai)(nai)蝕并能長期保持表(biao)(biao)面(mian)(mian)(mian)光亮，工(gong)(gong)藝相對簡單，成本較低。但(dan)硬(ying)(ying)鉻(ge)鍍(du)層(ceng)(ceng)的硬(ying)(ying)度(du)在溫度(du)升高時會因其內應(ying)力的釋放(fang)而迅(xun)速降低，其工(gong)(gong)作(zuo)溫度(du)不(bu)能高于427℃。另外(wai)鍍(du)鉻(ge)層(ceng)(ceng)結合(he)力低，鍍(du)層(ceng)(ceng)易發生(sheng)脫(tuo)落。球(qiu)(qiu)體(ti)表(biao)(biao)面(mian)(mian)(mian)堆焊硬(ying)(ying)質合(he)金，硬(ying)(ying)度(du)可達30HRC以上，球(qiu)(qiu)體(ti)表(biao)(biao)面(mian)(mian)(mian)堆焊硬(ying)(ying)質合(he)金工(gong)(gong)藝復雜，生(sheng)產效率低，且大面(mian)(mian)(mian)積堆焊易使零件產生(sheng)變形，目(mu)前對球(qiu)(qiu)體(ti)表(biao)(biao)面(mian)(mian)(mian)硬(ying)(ying)化的工(gong)(gong)藝使用較少。上海全通(tong)徑(jing)偏心半球(qiu)(qiu)閥哪家好

本(ben)文來自黔東南登品裝(zhuang)飾(shi)設(she)計工程有限公(gong)司：//bidaixiong.cn/Article/81d1199907.html