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href="http://www.cdcfah.com/zh/"><span>展會(huì)信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="xfvlpvr" class="twoCol"><div id="ptfr7fz" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_famenti/">閥門</a>?<a href="http://www.cdcfah.com/cp/third-famenti_qitafamenbd/">其他閥門</a>?城東區(qū)蝶閥批發(fā) 甘肅誠(chéng)禹惠物資供應(yīng)</p><div id="rjv7n7h" class="leftbox clearfix"><h1>城東區(qū)蝶閥批發(fā) 甘肅誠(chéng)禹惠物資供應(yīng)</h1><div id="vntf9pd" class="proBig"><div id="ztftxjv" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/gscyhwz/637318064165820312/6530237.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="rbfjdhl" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/gscyhwz/637318064165820312/6530237.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="9xxbpdz" 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>甘肅省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>城東區(qū)蝶閥批發(fā),蝶閥</p><p><span>***更新：</span>2021-02-03 11:15:38</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="rj737lf" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">甘肅誠(chéng)禹惠物資有限公司</a></p><p><span>聯(lián)系人：</span>楊和平</p><p><span>郵箱: </span>349134533@qq.com</p><p><span>電話: </span>18294448288</p><p><span>傳真: </span>0931_</p><p><span>網(wǎng)址: </span>http://www.gscyhwz.com</p><p><span>手機(jī): </span>0931-7840458</p><p><span>地址: </span>北濱河西路1226之27號(hào)(立達(dá)建材城A區(qū)11棟104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="nnrnr9x" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="tnzfjfl" class="box"><p><p> <span style="font-size:16px;">蝶閥是根據(jù)旋轉(zhuǎn)閥桿同時(shí)帶動(dòng)蝶板轉(zhuǎn)動(dòng)來(lái)做啟閉的一種閥門，在蝶閥閥體圓柱形通道內(nèi)，圓盤形蝶板繞著軸線旋轉(zhuǎn)，主要是旋轉(zhuǎn)蝶板90°來(lái)做流量控制，當(dāng)?shù)宓竭_(dá)90°時(shí)閥門處于全開(kāi)狀態(tài)，同時(shí)可以改變蝶板的角度來(lái)調(diào)節(jié)介質(zhì)流量，城東區(qū)蝶閥批發(fā)，一般安裝于管道的直徑方向。蝶閥與閥桿自身是沒(méi)有鎖定能力，為了有效的調(diào)節(jié)流量需裝蝸輪減速器，加裝蝸輪減速器的蝶閥不*使蝶閥有自鎖能力，城東區(qū)蝶閥批發(fā)，還能改變蝶閥的操作性能及更準(zhǔn)確的調(diào)節(jié)介質(zhì)流量。1、蝶閥在完全開(kāi)啟時(shí)，具有較小的流阻。當(dāng)開(kāi)啟在大約15°~70°之間時(shí)，又能進(jìn)行靈敏的流量控制，因而在大口徑的調(diào)節(jié)領(lǐng)域，蝶閥的應(yīng)用非常普遍。由于蝶閥蝶板的運(yùn)動(dòng)帶有擦拭性，故大多數(shù)的蝶閥可用于帶懸浮固體顆粒的介質(zhì)，城東區(qū)蝶閥批發(fā)。依據(jù)密封件的強(qiáng)度，也可用于粉狀和顆粒狀介質(zhì)。</span> 法蘭蝶閥處于完全開(kāi)啟位置時(shí)，蝶板厚度是介質(zhì)流經(jīng)閥體時(shí)的阻力。城東區(qū)蝶閥批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="城東區(qū)蝶閥批發(fā),蝶閥" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637318064165820312/6530237.png"></div><p> <span style="font-size:16px;">在連接方式方面，常見(jiàn)有對(duì)夾，支耳，法蘭，其中對(duì)夾方式在建筑樓宇領(lǐng)域，應(yīng)用比較多，性價(jià)比較高。對(duì)夾式蝶閥是用雙頭螺栓將閥門連接在兩管道法蘭之間。法蘭式蝶閥是閥門上帶有法蘭，用螺栓將閥門上兩端法蘭連接在管道法蘭上。支耳式蝶閥有兩種連接孔，一種是貫穿孔，這種形式和對(duì)夾連接的一樣需要雙頭螺栓固定。另外一種就是螺紋孔，在連接過(guò)程中，相當(dāng)于起到了兩個(gè)螺母的功能，用兩個(gè)螺栓分別固定在管道法蘭中間。在閥體材質(zhì)方面，大約是兩類，鑄鐵和鑄鋼。其中鑄鐵如果沒(méi)有特指球墨鑄鐵，就是用灰鑄鐵。鑄鋼也是一樣，不特指不銹鋼的話通常就是用碳鋼。在密封方面，分軟密封和硬密封兩種，樓宇內(nèi)用比較多的就是軟密封，材質(zhì)多為EPDM或者NBR。</span> 城東區(qū)蝶閥批發(fā)通過(guò)旋轉(zhuǎn)閥門中的球體來(lái)控制閥門的打開(kāi)和關(guān)閉。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="城東區(qū)蝶閥批發(fā),蝶閥" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637318064085966796/110479.png"></div><p> <span style="font-size:16px;">蝶閥的選用原則1、由于蝶閥相對(duì)于閘閥，球閥壓力損失比較大，故適應(yīng)于壓力損失要求不嚴(yán)的管路系統(tǒng)中2、由于蝶閥可以用流量調(diào)節(jié)，故在需要進(jìn)行流量調(diào)節(jié)的管路中宜于選用3、由于蝶閥的結(jié)構(gòu)和密封材料的限制，不宜用于高溫，高壓的管路系統(tǒng)。一般工作溫度在300℃以下，公稱壓力在PN40以下。4、由于蝶閥結(jié)構(gòu)長(zhǎng)度比較短，且又可以做成大口徑，故在結(jié)構(gòu)長(zhǎng)度要求短的場(chǎng)合或是大口徑閥門（如DN1000以上），宜選用蝶閥。5、由于蝶閥*旋轉(zhuǎn)90°就能開(kāi)啟或關(guān)閉，因此在啟閉要求快的場(chǎng)合宜選用蝶閥蝶閥***用于℃的各種介質(zhì)。閥桿只做旋轉(zhuǎn)運(yùn)動(dòng)，蝶板和</span><span style="font-size:16px;">閥桿沒(méi)有自鎖能力。要在閥桿上附加有自鎖能力的的減速器，使蝶桿能停在任意位置。</span> </p><p> <span style="font-size:16px;">蝶閥又叫翻板閥，是一種結(jié)構(gòu)簡(jiǎn)單的調(diào)節(jié)閥，可用于低壓管道介質(zhì)的開(kāi)關(guān)控制的蝶閥是指關(guān)閉件(閥瓣或蝶板)為圓盤，圍繞閥軸旋轉(zhuǎn)來(lái)達(dá)到開(kāi)啟與關(guān)閉的一種閥。市場(chǎng)上常見(jiàn)的蝶閥按結(jié)構(gòu)分為中線蝶閥、單偏心蝶閥、雙偏心蝶閥和三偏心蝶閥，其中雙偏心蝶閥和三偏心蝶閥能實(shí)現(xiàn)密封副極短時(shí)間內(nèi)脫離，減少密封副之間的摩擦，從而實(shí)現(xiàn)延長(zhǎng)閥門壽命和減小啟閉力矩的目的。蝶閥在全關(guān)狀態(tài)下，介質(zhì)壓力作用于閥板，從上圖中可以看出第二偏心導(dǎo)致閥板旋轉(zhuǎn)中心（即閥軸中心）兩側(cè)面積是不一樣的，我們知道F=P*s,那么閥板旋轉(zhuǎn)中心（即閥軸中心）兩側(cè)所受壓力也是不一樣的，而蝶閥的開(kāi)啟是蝶板圍繞閥軸做逆時(shí)針轉(zhuǎn)動(dòng)來(lái)實(shí)現(xiàn)，那么我們可以發(fā)現(xiàn)，當(dāng)雙偏心蝶閥和三偏心需要開(kāi)啟時(shí)，由于閥軸中心兩側(cè)的壓力不平</span><span style="font-size:16px;">衡，且明顯阻礙閥門打開(kāi)的力要大于幫助閥門打開(kāi)的力，第二偏心越大，這種狀況越明顯。</span> 蝶閥是工業(yè)生產(chǎn)系統(tǒng)當(dāng)中非常重要的機(jī)械產(chǎn)品。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="城東區(qū)蝶閥批發(fā),蝶閥" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637318064352666015/5446089.png"></div><p> <span style="font-size:16px;">對(duì)夾式蝶閥的蝶板安裝于管道的直徑方向。在蝶閥閥體圓柱形通道內(nèi)，圓盤形蝶板繞著軸線旋轉(zhuǎn)，旋轉(zhuǎn)角度為0°~90°之間，旋轉(zhuǎn)到90°時(shí)，閥門則牌全開(kāi)狀態(tài)。對(duì)夾式蝶閥結(jié)構(gòu)簡(jiǎn)單、體積小、重量輕，只由少數(shù)幾個(gè)零件組成。而且只需旋轉(zhuǎn)90°即可快速啟閉，操作簡(jiǎn)單，同時(shí)該閥門具有良好的流體控制特性。蝶閥處于完全開(kāi)啟位置時(shí)，蝶板厚度是介質(zhì)流經(jīng)閥體時(shí)的阻力，因此通過(guò)該閥門所產(chǎn)生的壓力降很小，故具有較好的流量控制特性。蝶閥有彈密封和金屬的密封兩種密封型式。彈性密封閥門，密封圈可以鑲嵌在閥體上或附在蝶板周邊。法蘭式蝶閥為垂直板式結(jié)構(gòu)，閥桿為整體式金屬硬密封閥門的密封圈為柔性石墨板與不銹鋼板復(fù)合式結(jié)構(gòu)，安裝在閥體上，蝶板密封面堆焊不銹鋼。軟密封閥門的密封圈為丁腈橡膠材質(zhì)，是安裝在蝶</span><span style="font-size:16px;">板上的。</span> 通孔的直徑等于或小于管道的直徑。城東區(qū)蝶閥批發(fā)</p><p style="text-indent:25px">彈性密封閥門，密封圈可以鑲嵌在閥體上或附在蝶板周邊。城東區(qū)蝶閥批發(fā)</p><p> <span style="font-size:16px;">蝶閥又叫翻板閥，是一種結(jié)構(gòu)簡(jiǎn)單的調(diào)節(jié)閥，同時(shí)也可用于低壓管道介質(zhì)的開(kāi)關(guān)控制。蝶閥是指關(guān)閉件（閥瓣或蝶板）為圓盤，圍繞閥軸旋轉(zhuǎn)來(lái)達(dá)到開(kāi)啟與關(guān)閉的一種閥，在管道上主要起切斷和節(jié)流作用。蝶閥啟閉件是一個(gè)圓盤形的蝶板，在閥體內(nèi)繞其自身的軸線旋轉(zhuǎn)，從而達(dá)到啟閉或調(diào)節(jié)的目的。蝶閥適用于發(fā)生爐、煤氣、天然氣、液化石油氣、城市煤氣、冷熱空氣、化工冶煉和發(fā)電環(huán)保等工程系統(tǒng)中輸送各種腐蝕性、非腐蝕性流體介質(zhì)的管道上，用于調(diào)節(jié)和截?cái)嘟橘|(zhì)的流動(dòng)。蝶閥所適用的場(chǎng)合蝶閥適用于流量調(diào)節(jié)。由于蝶閥在管路中的壓力損失比較**約是閘閥的三倍，因此在選擇蝶閥時(shí)，應(yīng)充分考慮管路系統(tǒng)受壓力損失的影響，還應(yīng)考慮關(guān)閉時(shí)蝶板承受管道介質(zhì)壓力的堅(jiān)固性。此外，還必須考慮在高溫下彈</span><span style="font-size:16px;">性閥座材料所承受工作溫度的限制。</span> 城東區(qū)蝶閥批發(fā)</p><p style="text-indent:25px">甘肅誠(chéng)禹惠物資有限公司位于北濱河西路1226之27號(hào)(立達(dá)建材城A區(qū)11棟104室)。甘肅誠(chéng)禹惠物資致力于為客戶提供良好的誠(chéng)禹惠閥門，球閥批發(fā)，閥門批發(fā)，蝶閥批發(fā)，一切以用戶需求為中心，深受廣大客戶的歡迎。公司從事機(jī)械及行業(yè)設(shè)備多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。甘肅誠(chéng)禹惠物資憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來(lái)的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3143565.html</p></div></div></div></div></div><div id="t9jft9v" class="page-right twoColRt"><div id="hd7b7dr" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="nfjfbvr" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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