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class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>遼寧真空精煉真空管道蝶閥密封</p><p><span>***更新：</span>2020-06-06 12:12:08</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="iyciy8e" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">頂耕國際貿(mào)易（上海）有限公司</a></p><p><span>聯(lián)系人：</span>查劍來</p><p><span>郵箱: </span></p><p><span>電話: </span>18521036598</p><p><span>傳真: </span>021_61637356</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>021-61637356</p><p><span>地址: </span>大葉公路5225號1幢2370室</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="iwukysg" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ckqocy8" class="box"><p><p> 真空閥門公稱通徑：(nominal diameter)，又稱平均外徑(mean outside diameter)，表示符號DN，就是各種管子與管路附件的通用口徑。同一公稱直徑的管子與管路附件均能相互連接，具有互換性.它不是實(shí)際意義上的管道外徑或內(nèi)徑，雖然其數(shù)值跟管道內(nèi)徑較為接近或相等，為了使管子、管件連接尺寸統(tǒng)一，采用公稱直徑（也稱公稱口徑、公稱通徑)。例如焊接鋼管按厚度可分為薄壁鋼管、普通鋼管和加厚鋼管。其公稱直徑不是外徑，也不是內(nèi)徑，遼寧真空精煉真空管道蝶閥密封，而是近似普通鋼管內(nèi)徑的一個(gè)名義尺寸。每一公稱直徑，對應(yīng)一個(gè)外徑，遼寧真空精煉真空管道蝶閥密封，其內(nèi)徑數(shù)值隨厚度不同而不同。公稱直徑可用公制mm表示，遼寧真空精煉真空管道蝶閥密封，也可用英制in表示。管路附件也用公稱直徑表示，意義同有縫管。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧真空精煉真空管道蝶閥密封" src="http://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129737896738282/5305453.jpg"></div><p> 五金真空閥門是在真空系統(tǒng)中，用來改變氣流方向，調(diào)節(jié)氣流量大小，切斷或接通管路的真空系統(tǒng)元件稱為真空閥門。下面對真空閥門進(jìn)行簡要介紹：高真空插板閥驅(qū)動(dòng)裝置可放置在側(cè)面通常插板閥的高度較高，有占設(shè)備高度空間大的缺點(diǎn)。為了克服這個(gè)缺點(diǎn)我們將驅(qū)動(dòng)裝置設(shè)計(jì)在側(cè)面，這樣**地縮短了閥門的高度尺寸，減少了設(shè)備空間的制造成本。高真空蝶閥采用高平臺設(shè)計(jì)一般氣動(dòng)、電動(dòng)高真空蝶閥采用的是支架/連接套的安裝方式，我公司科學(xué)設(shè)計(jì)的直接安裝高平臺，使安裝執(zhí)行器變簡單。小口徑高真空擋板閥閥體均為精密鑄件高科技的精密鑄造工藝和設(shè)備，使得不銹鋼鑄件完全能夠獲得致密的**結(jié)構(gòu)。完全沒有“氣孔、疏松、夾砂”等鑄造缺點(diǎn)。外形整潔、美觀。閥體漏率指標(biāo)優(yōu)于。完全適用于超高真空工況條件。GYC-JQ系列電磁高真空壓差式充氣閥的防止返油性能得到**提升經(jīng)過對高真空壓差式充氣閥的結(jié)構(gòu)進(jìn)行改進(jìn)，使得產(chǎn)品性能更加可靠，更適合機(jī)械真空泵工況要求。有以下三個(gè)關(guān)鍵能性得到了提升：(1).關(guān)閥時(shí)間縮短到<，更有利于防止返油;(2).開閥時(shí)間稍有延時(shí),只有真空度達(dá)到了一定的值后閥門才能開啟，如果無壓差時(shí)則回到常開的狀態(tài);(3).產(chǎn)品的真空漏率指標(biāo)得到提高。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧真空精煉真空管道蝶閥密封" src="http://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129749325380860/6768130.png"></div><p> 雙偏心蝶閥也叫作高性能蝶閥，主要適用于水廠、電廠、鋼廠冶煉、化工、水源泉工程、環(huán)境設(shè)施建設(shè)等系統(tǒng)排水用,尤其適用于水道管路上,作為調(diào)節(jié)和截流設(shè)備使用。和中線蝶閥相比，雙偏心蝶閥更耐高壓，壽命更長，穩(wěn)定性好。 </p> <p> 雙偏心蝶閥在單偏心蝶閥的基礎(chǔ)上進(jìn)一步改良。其結(jié)構(gòu)特征為在閥桿軸心既偏離蝶板中心、也偏離本體中心。雙偏心的效果使閥門被開啟后蝶板能迅即脫離閥座、大幅度地消除了蝶板與閥座的不必要的過度擠壓、刮擦現(xiàn)象、減輕了開啟阻距、降低了磨損、提高了閥座壽命。刮擦的大幅度降低、同時(shí)還使得雙偏心蝶閥也可以采用金屬閥座、提高了蝶閥在高溫領(lǐng)域的應(yīng)用。 </p> <p> 1 設(shè)計(jì)合理,結(jié)構(gòu)緊湊,裝拆容易,便于維修。 </p> <p> 2 采用偏心結(jié)構(gòu),減少密封圈的摩擦,延長閥門使用壽命。 </p> <p> 3 完全密封,泄漏為零?？梢杂糜诔哒婵展r </p> <p> 4 更換閥板密封圈、蝶板,轉(zhuǎn)軸等材質(zhì),可適用多種介質(zhì)和不同溫度 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧真空精煉真空管道蝶閥密封" src="http://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129736101689453/4021167.png"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/168612.html</p></div></div></div></div></div><div id="a0yyyuk" class="page-right twoColRt"><div id="g8wmqou" class="box01 margin10 clearfix"><h3><a 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