煤(mei)(mei)(mei)(mei)化(hua)(hua)(hua)(hua)(hua)(hua)工是將煤(mei)(mei)(mei)(mei)通過(guo)熱加工和催化(hua)(hua)(hua)(hua)(hua)(hua)加工轉化(hua)(hua)(hua)(hua)(hua)(hua)為(wei)各種(zhong)燃(ran)料(liao)(liao)和化(hua)(hua)(hua)(hua)(hua)(hua)工產品的(de)(de)過(guo)程。煤(mei)(mei)(mei)(mei)化(hua)(hua)(hua)(hua)(hua)(hua)工及(ji)(ji)煤(mei)(mei)(mei)(mei)制(zhi)油(you)項目(mu)首先要進行煤(mei)(mei)(mei)(mei)氣(qi)(qi)(qi)(qi)(qi)化(hua)(hua)(hua)(hua)(hua)(hua)，在高溫下將煤(mei)(mei)(mei)(mei)、焦炭等固體燃(ran)料(liao)(liao)與(yu)氣(qi)(qi)(qi)(qi)(qi)化(hua)(hua)(hua)(hua)(hua)(hua)劑反(fan)應(ying)，轉化(hua)(hua)(hua)(hua)(hua)(hua)為(wei)氣(qi)(qi)(qi)(qi)(qi)體產物(wu)和殘渣。煤(mei)(mei)(mei)(mei)氣(qi)(qi)(qi)(qi)(qi)化(hua)(hua)(hua)(hua)(hua)(hua)所用(yong)(yong)(yong)的(de)(de)氣(qi)(qi)(qi)(qi)(qi)化(hua)(hua)(hua)(hua)(hua)(hua)劑主要為(wei)蒸(zheng)汽、高壓(ya)高純度氧氣(qi)(qi)(qi)(qi)(qi)及(ji)(ji)其混合氣(qi)(qi)(qi)(qi)(qi)體，氣(qi)(qi)(qi)(qi)(qi)化(hua)(hua)(hua)(hua)(hua)(hua)反(fan)應(ying)包括了(le)一系(xi)(xi)列均相(xiang)與(yu)非均相(xiang)化(hua)(hua)(hua)(hua)(hua)(hua)學反(fan)應(ying)。所得氣(qi)(qi)(qi)(qi)(qi)體產物(wu)因(yin)所用(yong)(yong)(yong)原(yuan)料(liao)(liao)煤(mei)(mei)(mei)(mei)質、氣(qi)(qi)(qi)(qi)(qi)化(hua)(hua)(hua)(hua)(hua)(hua)劑的(de)(de)種(zhong)類和氣(qi)(qi)(qi)(qi)(qi)化(hua)(hua)(hua)(hua)(hua)(hua)過(guo)程不同(tong)而具有不同(tong)的(de)(de)組(zu)成(cheng)，可分為(wei)煤(mei)(mei)(mei)(mei)氣(qi)(qi)(qi)(qi)(qi)、半水煤(mei)(mei)(mei)(mei)氣(qi)(qi)(qi)(qi)(qi)及(ji)(ji)水煤(mei)(mei)(mei)(mei)氣(qi)(qi)(qi)(qi)(qi)等。在煤(mei)(mei)(mei)(mei)化(hua)(hua)(hua)(hua)(hua)(hua)工產業的(de)(de)煤(mei)(mei)(mei)(mei)制(zhi)油(you)、煤(mei)(mei)(mei)(mei)制(zhi)烯烴及(ji)(ji)大型煤(mei)(mei)(mei)(mei)化(hua)(hua)(hua)(hua)(hua)(hua)成(cheng)套(tao)系(xi)(xi)統(tong)中，金(jin)屬密(mi)封耐(nai)磨(mo)球(qiu)閥作為(wei)一種(zhong)耐(nai)磨(mo)損的(de)(de)管路系(xi)(xi)統(tong)截斷及(ji)(ji)流量控制(zhi)的(de)(de)部(bu)件得到了(le)各種(zhong)領(ling)域的(de)(de)應(ying)用(yong)(yong)(yong)。鑄(zhu)鋼高平臺(tai)球(qiu)閥設備，就選(xuan)浙江克(ke)亞閥門有限(xian)公司，讓(rang)您滿意，期待您的(de)(de)光臨！寧夏美標氣(qi)(qi)(qi)(qi)(qi)動球(qiu)閥作用(yong)(yong)(yong)

此零件是閥(fa)體(ti)(ti)，閥(fa)體(ti)(ti)左端通(tong)過螺柱(zhu)和螺母與閥(fa)蓋連接，形(xing)成球閥(fa)容(rong)納閥(fa)芯的Φ43空(kong)(kong)腔(qiang)(qiang)，左端的Φ50H11圓(yuan)柱(zhu)形(xing)槽(cao)與閥(fa)蓋的圓(yuan)柱(zhu)形(xing)凸緣相(xiang)配(pei)合(he)；閥(fa)體(ti)(ti)空(kong)(kong)腔(qiang)(qiang)右(you)(you)側Φ35H11圓(yuan)柱(zhu)形(xing)槽(cao)，用(yong)(yong)來放(fang)置球閥(fa)關(guan)閉時(shi)不泄露(lu)流(liu)體(ti)(ti)的密封圈；閥(fa)體(ti)(ti)右(you)(you)端有用(yong)(yong)于連接系統中管道的外(wai)螺紋M36′2，內部階梯孔Φ28.5、Φ20與空(kong)(kong)腔(qiang)(qiang)相(xiang)通(tong)；在閥(fa)體(ti)(ti)上部的Φ36圓(yuan)柱(zhu)體(ti)(ti)中，有Φ26、Φ22、Φ18的階梯與空(kong)(kong)腔(qiang)(qiang)相(xiang)通(tong)，在階梯孔內容(rong)納閥(fa)桿(gan)、填(tian)料壓緊(jin)套(tao)；階梯孔頂端90°扇形(xing)限位凸塊(kuai)，用(yong)(yong)來控制扳手和閥(fa)桿(gan)的旋轉角度(du)。寧夏美標氣(qi)動球閥(fa)作用(yong)(yong)浙江克亞(ya)閥(fa)門(men)有限公司氣(qi)動高平臺球閥(fa)設備(bei)獲得眾(zhong)多用(yong)(yong)戶的認可。

鍛(duan)鋼(gang)球(qiu)閥的(de)(de)規(gui)格和壓力等(deng)級(ji)符(fu)合美(mei)國(guo)(guo)石油(you)學會(hui)API16D/ISO14314標(biao)準(zhun)、中國(guo)(guo)GB/T19672標(biao)準(zhun)及美(mei)國(guo)(guo)ASME標(biao)準(zhun)的(de)(de)要求。根據客戶要求，閥門可(ke)采用符(fu)合美(mei)國(guo)(guo)腐(fu)蝕工程協會(hui)標(biao)準(zhun)NACEMR0175或(huo)NACEMR0103的(de)(de)材(cai)料(liao)。球(qiu)閥的(de)(de)設計和制(zhi)造質(zhi)量(liang)體(ti)系是以ISO9001質(zhi)量(liang)體(ti)系標(biao)準(zhun)和APIQ1的(de)(de)質(zhi)量(liang)大綱規(gui)范(fan)為模式，并(bing)分別經(jing)DNV船級(ji)社和美(mei)國(guo)(guo)API石油(you)學會(hui)認(ren)可(ke)，符(fu)合ISO9001質(zhi)量(liang)體(ti)系標(biao)準(zhun)，符(fu)合APIQ1和API6D規(gui)范(fan)，并(bing)授權使用API會(hui)標(biao)，證書號為API6D-0652.管線鍛(duan)鋼(gang)球(qiu)閥有多(duo)種材(cai)料(liao)可(ke)選擇，規(gui)范(fan)和壓力等(deng)級(ji)齊全，全通經(jing)和縮經(jing)兼備，石油(you)、天(tian)然氣、化工原料(liao)等(deng)輸送管路廣泛(fan)應用的(de)(de)理想閥門。

高(gao)(gao)(gao)平(ping)(ping)(ping)臺球閥(fa)(fa)(fa)(fa)(fa)(fa)主(zhu)要用(yong)在(zai)截斷(duan)或接(jie)通管路里面的(de)(de)(de)介質，還可以(yi)(yi)用(yong)在(zai)流(liu)體(ti)(ti)的(de)(de)(de)調節(jie)與(yu)控制，和其它(ta)閥(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)種(zhong)類(lei)相比，有角行(xing)程(cheng)輸出扭矩，平(ping)(ping)(ping)穩可靠(kao)，開啟迅速，適用(yong)于各種(zhong)領域(yu)等(deng)以(yi)(yi)下一些(xie)優點(dian)。1、流(liu)體(ti)(ti)阻(zu)力(li)(li)小、高(gao)(gao)(gao)平(ping)(ping)(ping)臺球閥(fa)(fa)(fa)(fa)(fa)(fa)是所有閥(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)分類(lei)中(zhong)流(liu)體(ti)(ti)阻(zu)力(li)(li)較小的(de)(de)(de)一種(zhong)，即使是縮徑高(gao)(gao)(gao)平(ping)(ping)(ping)臺蘭球閥(fa)(fa)(fa)(fa)(fa)(fa)，流(liu)體(ti)(ti)阻(zu)力(li)(li)也相當小。2、止(zhi)推軸承減小閥(fa)(fa)(fa)(fa)(fa)(fa)桿(gan)(gan)的(de)(de)(de)磨擦力(li)(li)矩，可以(yi)(yi)讓閥(fa)(fa)(fa)(fa)(fa)(fa)桿(gan)(gan)長期性進行(xing)操作(zuo)平(ping)(ping)(ping)穩靈活。3、閥(fa)(fa)(fa)(fa)(fa)(fa)座密封性能(neng)(neng)(neng)(neng)好，采用(yong)聚四氟(fu)乙烯(xi)等(deng)彈性材料(liao)制成(cheng)(cheng)的(de)(de)(de)密封圈，結構(gou)易于密封，而(er)(er)且(qie)高(gao)(gao)(gao)平(ping)(ping)(ping)臺蘭球閥(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)閥(fa)(fa)(fa)(fa)(fa)(fa)封能(neng)(neng)(neng)(neng)力(li)(li)隨著介質壓力(li)(li)的(de)(de)(de)增高(gao)(gao)(gao)而(er)(er)變大。4、閥(fa)(fa)(fa)(fa)(fa)(fa)桿(gan)(gan)密封可靠(kao)，由于閥(fa)(fa)(fa)(fa)(fa)(fa)桿(gan)(gan)只作(zuo)彷轉動運(yun)而(er)(er)不做升(sheng)降(jiang)運(yun)動，閥(fa)(fa)(fa)(fa)(fa)(fa)桿(gan)(gan)的(de)(de)(de)填料(liao)密封不易破(po)壞，且(qie)密封能(neng)(neng)(neng)(neng)力(li)(li)隨著介質的(de)(de)(de)壓力(li)(li)增高(gao)(gao)(gao)而(er)(er)變大。5、由于聚四氟(fu)乙烯(xi)等(deng)材料(liao)具(ju)有良好的(de)(de)(de)自潤(run)滑(hua)性，與(yu)球體(ti)(ti)的(de)(de)(de)磨擦損失小，故高(gao)(gao)(gao)平(ping)(ping)(ping)臺球閥(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)使用(yong)壽命(ming)長。6、下裝(zhuang)式閥(fa)(fa)(fa)(fa)(fa)(fa)桿(gan)(gan)和閥(fa)(fa)(fa)(fa)(fa)(fa)桿(gan)(gan)頭部(bu)凸(tu)階防止(zhi)閥(fa)(fa)(fa)(fa)(fa)(fa)桿(gan)(gan)噴出，如(ru)火災造成(cheng)(cheng)閥(fa)(fa)(fa)(fa)(fa)(fa)桿(gan)(gan)密封破(po)壞，凸(tu)階與(yu)閥(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti)間(jian)還可形成(cheng)(cheng)金屬接(jie)觸，確保閥(fa)(fa)(fa)(fa)(fa)(fa)桿(gan)(gan)密封。7、阻(zu)靜(jing)電(dian)功能(neng)(neng)(neng)(neng)：在(zai)球體(ti)(ti)、閥(fa)(fa)(fa)(fa)(fa)(fa)桿(gan)(gan)、閥(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti)之間(jian)設置彈簧，能(neng)(neng)(neng)(neng)將開關過程(cheng)產生的(de)(de)(de)靜(jing)電(dian)導出。以(yi)(yi)上(shang)給大家分享的(de)(de)(de)高(gao)(gao)(gao)平(ping)(ping)(ping)臺球閥(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)特點(dian)，我們能(neng)(neng)(neng)(neng)更加了解高(gao)(gao)(gao)平(ping)(ping)(ping)臺球閥(fa)(fa)(fa)(fa)(fa)(fa)。浙(zhe)江克亞(ya)閥(fa)(fa)(fa)(fa)(fa)(fa)門(men)(men)有限公司(si)是一家專業(ye)提(ti)供(gong)鑄鋼高(gao)(gao)(gao)平(ping)(ping)(ping)臺球閥(fa)(fa)(fa)(fa)(fa)(fa)設備的(de)(de)(de)公司(si)，歡迎您的(de)(de)(de)來電(dian)哦！

開(kai)啟(qi)時，氣(qi)缸(gang)操縱氣(qi)以一(yi)定(ding)的(de)(de)(de)(de)壓力從(cong)活(huo)(huo)塞下(xia)(xia)(xia)(xia)(xia)面(mian)的(de)(de)(de)(de)進口加入(ru)使活(huo)(huo)塞帶動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)閥(fa)(fa)(fa)桿(gan)(gan)往上(shang)(shang)(shang)(shang)移(yi)(yi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)，這(zhe)時運(yun)(yun)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)轉(zhuan)換(huan)(huan)機(ji)構(gou)(gou)(gou)要(yao)實(shi)現(xian)(xian)(xian)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)的(de)(de)(de)(de)三(san)(san)次(ci)變(bian)換(huan)(huan)：第(di)(di)(di)一(yi)步是上(shang)(shang)(shang)(shang)下(xia)(xia)(xia)(xia)(xia)閥(fa)(fa)(fa)桿(gan)(gan)帶動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)球(qiu)(qiu)(qiu)體(ti)(ti)上(shang)(shang)(shang)(shang)移(yi)(yi)，使球(qiu)(qiu)(qiu)體(ti)(ti)與(yu)(yu)閥(fa)(fa)(fa)座(zuo)至松(song)開(kai)位置；第(di)(di)(di)二步運(yun)(yun)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)轉(zhuan)換(huan)(huan)機(ji)構(gou)(gou)(gou)中(zhong)主動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)與(yu)(yu)被動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)零(ling)件嚙合(he)，活(huo)(huo)塞帶動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)上(shang)(shang)(shang)(shang)閥(fa)(fa)(fa)桿(gan)(gan)繼續上(shang)(shang)(shang)(shang)移(yi)(yi)，下(xia)(xia)(xia)(xia)(xia)閥(fa)(fa)(fa)桿(gan)(gan)在嚙合(he)后(hou)在限(xian)位措施作(zuo)(zuo)用(yong)下(xia)(xia)(xia)(xia)(xia)實(shi)現(xian)(xian)(xian)90°旋(xuan)轉(zhuan)，閥(fa)(fa)(fa)門流道導通(tong)；第(di)(di)(di)三(san)(san)步運(yun)(yun)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)轉(zhuan)換(huan)(huan)機(ji)構(gou)(gou)(gou)中(zhong)主動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)與(yu)(yu)被動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)零(ling)件脫(tuo)開(kai)嚙合(he)，上(shang)(shang)(shang)(shang)下(xia)(xia)(xia)(xia)(xia)閥(fa)(fa)(fa)桿(gan)(gan)帶動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)球(qiu)(qiu)(qiu)體(ti)(ti)繼續上(shang)(shang)(shang)(shang)移(yi)(yi)，至球(qiu)(qiu)(qiu)體(ti)(ti)閥(fa)(fa)(fa)瓣(ban)結構(gou)(gou)(gou)與(yu)(yu)一(yi)級外漏密(mi)(mi)封(feng)座(zuo)接觸并密(mi)(mi)封(feng)。關閉時，氣(qi)缸(gang)操縱氣(qi)以一(yi)定(ding)的(de)(de)(de)(de)壓力從(cong)活(huo)(huo)塞上(shang)(shang)(shang)(shang)面(mian)的(de)(de)(de)(de)進口加入(ru)使活(huo)(huo)塞帶動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)閥(fa)(fa)(fa)桿(gan)(gan)往下(xia)(xia)(xia)(xia)(xia)移(yi)(yi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)，這(zhe)時運(yun)(yun)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)轉(zhuan)換(huan)(huan)機(ji)構(gou)(gou)(gou)也要(yao)實(shi)現(xian)(xian)(xian)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)的(de)(de)(de)(de)三(san)(san)次(ci)變(bian)換(huan)(huan)：第(di)(di)(di)一(yi)步運(yun)(yun)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)轉(zhuan)換(huan)(huan)機(ji)構(gou)(gou)(gou)中(zhong)主動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)與(yu)(yu)被動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)零(ling)件沒(mei)嚙合(he)，上(shang)(shang)(shang)(shang)下(xia)(xia)(xia)(xia)(xia)閥(fa)(fa)(fa)桿(gan)(gan)帶動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)球(qiu)(qiu)(qiu)體(ti)(ti)下(xia)(xia)(xia)(xia)(xia)移(yi)(yi)，至球(qiu)(qiu)(qiu)體(ti)(ti)閥(fa)(fa)(fa)瓣(ban)結構(gou)(gou)(gou)與(yu)(yu)一(yi)級外漏密(mi)(mi)封(feng)座(zuo)脫(tuo)開(kai)；第(di)(di)(di)二步運(yun)(yun)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)轉(zhuan)換(huan)(huan)機(ji)構(gou)(gou)(gou)中(zhong)主動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)與(yu)(yu)被動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)零(ling)件嚙合(he)，活(huo)(huo)塞帶動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)上(shang)(shang)(shang)(shang)閥(fa)(fa)(fa)桿(gan)(gan)繼續下(xia)(xia)(xia)(xia)(xia)移(yi)(yi)，下(xia)(xia)(xia)(xia)(xia)閥(fa)(fa)(fa)桿(gan)(gan)在嚙合(he)后(hou)在限(xian)位措施作(zuo)(zuo)用(yong)下(xia)(xia)(xia)(xia)(xia)實(shi)現(xian)(xian)(xian)90°旋(xuan)轉(zhuan)，閥(fa)(fa)(fa)門處于關閉狀(zhuang)(zhuang)態(tai)(tai)；第(di)(di)(di)三(san)(san)步運(yun)(yun)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)轉(zhuan)換(huan)(huan)機(ji)構(gou)(gou)(gou)中(zhong)主動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)與(yu)(yu)被動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)零(ling)件脫(tuo)開(kai)嚙合(he)，上(shang)(shang)(shang)(shang)下(xia)(xia)(xia)(xia)(xia)閥(fa)(fa)(fa)桿(gan)(gan)下(xia)(xia)(xia)(xia)(xia)移(yi)(yi)并推動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)球(qiu)(qiu)(qiu)體(ti)(ti)與(yu)(yu)閥(fa)(fa)(fa)座(zuo)至楔緊密(mi)(mi)封(feng)位置。系(xi)統(tong)工(gong)作(zuo)(zuo)狀(zhuang)(zhuang)態(tai)(tai)下(xia)(xia)(xia)(xia)(xia)氣(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)執(zhi)行器(qi)能(neng)夠提供可(ke)調節(jie)的(de)(de)(de)(de)機(ji)械(xie)密(mi)(mi)封(feng)力使球(qiu)(qiu)(qiu)體(ti)(ti)與(yu)(yu)閥(fa)(fa)(fa)座(zuo)緊密(mi)(mi)結合(he)保證密(mi)(mi)封(feng)。系(xi)統(tong)不(bu)工(gong)作(zuo)(zuo)時，依靠自密(mi)(mi)封(feng)彈簧提供的(de)(de)(de)(de)機(ji)械(xie)里(li)保證系(xi)統(tong)在低壓下(xia)(xia)(xia)(xia)(xia)球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)照樣處于密(mi)(mi)封(feng)狀(zhuang)(zhuang)態(tai)(tai)。鑄鋼高平臺(tai)球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)設備，就(jiu)選浙江克亞(ya)閥(fa)(fa)(fa)門有(you)限(xian)公司，讓您(nin)滿意，歡迎您(nin)的(de)(de)(de)(de)來電！海(hai)南Q347F鑄鋼球(qiu)(qiu)(qiu)閥(fa)(fa)(fa)批發

浙江克(ke)亞(ya)閥(fa)門有限公司(si)為您提(ti)供鑄鋼高平臺球閥(fa)設(she)備。寧夏美標氣(qi)動球閥(fa)作用

偏(pian)心球(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)在(zai)(zai)管路中主要用(yong)(yong)來(lai)做切(qie)斷(duan)(duan)、分(fen)配和改變(bian)介(jie)質(zhi)的(de)(de)(de)(de)流動(dong)方(fang)向。球(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)是近(jin)年來(lai)被大(da)體(ti)采用(yong)(yong)的(de)(de)(de)(de)一(yi)種(zhong)新型閥(fa)(fa)門，它具有以(yi)下優點(dian)：1.流體(ti)阻力小，其阻力系數與同長度的(de)(de)(de)(de)管段(duan)相等。2.結構簡(jian)單、體(ti)積小、重量輕。3.緊密(mi)可(ke)(ke)靠，目前球(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)的(de)(de)(de)(de)密(mi)封(feng)(feng)(feng)面材料大(da)體(ti)使用(yong)(yong)塑料、密(mi)封(feng)(feng)(feng)性(xing)好，在(zai)(zai)真空(kong)系統中也已大(da)體(ti)使用(yong)(yong)。4.操作(zuo)方(fang)便(bian)，開(kai)(kai)閉迅速，從(cong)全(quan)(quan)開(kai)(kai)到全(quan)(quan)關(guan)(guan)只要旋轉(zhuan)90°，便(bian)于遠距離的(de)(de)(de)(de)控制。5.維修方(fang)便(bian)，球(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)結構簡(jian)單，密(mi)封(feng)(feng)(feng)圈一(yi)般都是活動(dong)的(de)(de)(de)(de)，拆(chai)卸更換(huan)都比較方(fang)便(bian)。6.在(zai)(zai)全(quan)(quan)開(kai)(kai)或全(quan)(quan)閉時，球(qiu)(qiu)(qiu)(qiu)體(ti)和閥(fa)(fa)座的(de)(de)(de)(de)密(mi)封(feng)(feng)(feng)面與介(jie)質(zhi)隔離，介(jie)質(zhi)通過時，不會引起閥(fa)(fa)門密(mi)封(feng)(feng)(feng)面的(de)(de)(de)(de)侵(qin)蝕。7.適用(yong)(yong)范圍廣(guang)，通徑從(cong)小到幾(ji)毫(hao)米，大(da)到幾(ji)米，從(cong)高真空(kong)至高壓力都可(ke)(ke)應用(yong)(yong)。球(qiu)(qiu)(qiu)(qiu)旋轉(zhuan)90度時，在(zai)(zai)進、出口處應全(quan)(quan)部呈現球(qiu)(qiu)(qiu)(qiu)面，從(cong)而(er)截斷(duan)(duan)流動(dong)。偏(pian)心球(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)是一(yi)種(zhong)比較新型的(de)(de)(de)(de)球(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)類別，它有著自身(shen)結構所獨(du)有的(de)(de)(de)(de)一(yi)些優越性(xing)，如開(kai)(kai)關(guan)(guan)無摩擦(ca)，密(mi)封(feng)(feng)(feng)不易(yi)磨損，啟(qi)閉力矩(ju)小。這樣可(ke)(ke)減小所配執行(xing)器的(de)(de)(de)(de)規格(ge)。配以(yi)多回轉(zhuan)電動(dong)執行(xing)機(ji)構，可(ke)(ke)實現對介(jie)質(zhi)的(de)(de)(de)(de)調(diao)節和嚴密(mi)切(qie)斷(duan)(duan)。大(da)體(ti)適用(yong)(yong)于石油、化工、城市給(gei)排水等要求嚴格(ge)切(qie)斷(duan)(duan)的(de)(de)(de)(de)工況。寧夏美標氣動(dong)球(qiu)(qiu)(qiu)(qiu)閥(fa)(fa)作(zuo)用(yong)(yong)

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