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tcPro"><section class="home-main container clearfix"><div id="nd24oa2" class="twoCol"><div id="y8edtap" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<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>?吳忠蝶閥銷售廠家甘肅誠禹惠物資供應(yīng)</p><div id="y9eb3kg" class="leftbox clearfix"><h1>吳忠蝶閥銷售廠家甘肅誠禹惠物資供應(yīng)</h1><div id="qm878nu" class="proBig"><div id="z2eby8u" 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="iug39fx" 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="vprj2uw" 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>吳忠蝶閥銷售廠家,蝶閥</p><p><span>***更新：</span>2020-12-16 09:18:58</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="ic24dpw" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">甘肅誠禹惠物資有限公司</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="aurtvs2" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="at89k2q" class="box"><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)來達(dá)到開啟與關(guān)閉的一種閥，閥門可用于控制空氣、水、蒸汽、各種腐蝕性介質(zhì)、泥漿、油品、液態(tài)金屬和放射性介質(zhì)等各種類型流體的流動(dòng)，吳忠蝶閥銷售廠家。與閘閥、截止閥、球閥、旋塞閥等相比，其密封可靠性差，故不宜用于高溫(如200℃及以上)、高壓(如Class600及以上)的介質(zhì)工況，但個(gè)別工廠的特殊設(shè)計(jì)例外;⑶對(duì)于軟密封蝶閥，雖然價(jià)格會(huì)更便宜，但受溫度和壓力的限制，高溫高壓時(shí)不能使用;⑷蝶閥無密閉閥腔，適宜用于低溫介質(zhì)工況或可能發(fā)生氣化的介質(zhì)工況;⑸不能用于有通球要求的管路切斷;⑹可以做襯里;⑺適宜用于壓力脈動(dòng)介質(zhì)工況和可能產(chǎn)生汽蝕的介質(zhì)工況;適宜用于高壓氧氣工況;適宜用于可能產(chǎn)生沖刷或沖刷腐蝕的介質(zhì)工況;⑻相對(duì)于閘閥、球閥來說，由于蝶閥的壓力損失比較大，吳忠蝶閥銷售廠家，故不適用于對(duì)壓力損失要求嚴(yán)格的管路系統(tǒng)中。</span> 蝶閥也叫蝴蝶閥, 顧名思義，吳忠蝶閥銷售廠家, 它的關(guān)鍵性部件好似蝴蝶迎風(fēng), 自由回旋。吳忠蝶閥銷售廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吳忠蝶閥銷售廠家,蝶閥" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637318064165820312/6530237.png"></div><p> <span style="font-size:16px;">不銹鋼蝶閥這種蝶閥在使用過程中仍然存在以下問題：一、由于多層軟硬疊式密封圈固定在閥板上，當(dāng)閥板常開狀態(tài)時(shí)介質(zhì)對(duì)其密封面形成正面沖刷，金屬片夾層中的軟密封帶受沖刷后，直接影響密封性能。二、受結(jié)構(gòu)條件的限制該結(jié)構(gòu)不適應(yīng)做通徑DN200以下閥門，原因是閥板整體結(jié)構(gòu)太厚，流阻大。三、因三偏心結(jié)構(gòu)的原理，閥板的密封面與閥座之間的密封是靠傳動(dòng)裝置的力矩使閥板壓向閥座。正流狀態(tài)時(shí)，介質(zhì)壓力越高密封擠壓越緊。當(dāng)流道介質(zhì)逆流時(shí)隨著介質(zhì)壓力的增大閥板與閥座之間的單位正壓力小于介質(zhì)壓強(qiáng)時(shí)，密封開始泄漏。高性能三偏心雙向硬密封蝶閥，其特征在于：所述閥座密封圈由軟性T形密封環(huán)兩側(cè)多層不銹鋼片組成。閥板與閥座的密封面為斜圓錐結(jié)構(gòu)，在閥板斜圓錐表面堆焊耐溫、耐蝕合金材料；固定在調(diào)節(jié)環(huán)壓板之間的彈簧與壓板上調(diào)節(jié)螺栓裝配一起的結(jié)構(gòu)。</span> 吳忠蝶閥銷售廠家雙偏心蝶閥在單偏心蝶閥的基礎(chǔ)上進(jìn)一步改良成型的就是目前應(yīng)用較多的雙偏心蝶閥。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吳忠蝶閥銷售廠家,蝶閥" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637318064253818359/9307994.png"></div><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°來做流量控制，當(dāng)?shù)宓竭_(dá)90°時(shí)閥門處于全開狀態(tài)，同時(shí)可以改變蝶板的角度來調(diào)節(jié)介質(zhì)流量，一般安裝于管道的直徑方向。蝶閥與閥桿自身是沒有鎖定能力，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僅使蝶閥有自鎖能力，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、蝶閥在完全開啟時(shí)，具有較小的流阻。當(dāng)開啟在大約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)。依據(jù)密封件的強(qiáng)度，也可用于粉狀和顆粒狀介質(zhì)。</span> </p><p> <span style="font-size:16px;">蝶閥有三個(gè)心，閥桿中心線，閥體中心線，閥板密封線。這么說可能大家不太好記憶，在下面有一個(gè)視頻演示。我們先說中線蝶閥，這個(gè)是建筑領(lǐng)域常見的蝶閥結(jié)構(gòu)，通過閥板的外圓，擠壓橡膠閥座進(jìn)行密封，良好的彈性軟密封能實(shí)現(xiàn)零泄漏。偏心蝶閥，建筑領(lǐng)域常見的也就是雙偏心，單偏心因?yàn)闆]能解決在開關(guān)過程中蝶板與閥座的剮蹭問題，所以采用的不多。三偏心多是鑄鋼材質(zhì)，硬密封，一般用在嚴(yán)酷工況下，像冶金，電力，石油化工，熱力，市政這些領(lǐng)域。在建筑領(lǐng)域里用到的多是球鐵軟密封或者鑄鋼軟密封。我們先看一個(gè)視頻，這是一個(gè)雙偏心蝶閥的剖視圖，紅色的為閥桿中心線，藍(lán)色為閥門中心線。在閥門打開的過程，會(huì)有兩個(gè)偏移量。平行和垂直向偏移。</span> 蝶閥產(chǎn)品構(gòu)造上的特殊性，可以應(yīng)用在很多對(duì)于密閉性要求比較高。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吳忠蝶閥銷售廠家,蝶閥" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637318064192050781/1618647.png"></div><p> <span style="font-size:16px;">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性閥座材料所承受工作溫度的限制。蝶閥的結(jié)構(gòu)長度和總體高度較小，開啟和關(guān)閉速度快，且具有良好的流體控制特性，蝶閥的結(jié)構(gòu)原理適合制作大口徑閥門。當(dāng)要求蝶閥作控制流量使用時(shí)，重要的是正確選擇蝶閥的尺寸和類型，使之能恰當(dāng)?shù)亍⒂行У毓ぷ?。通常，在?jié)流、調(diào)節(jié)控制與泥漿介質(zhì)中，要求結(jié)構(gòu)長度短，啟閉速度快(1/4轉(zhuǎn))。低壓截止(壓差小)，推薦選用蝶閥。在雙位調(diào)節(jié)、縮口地通道、低噪聲、有氣穴和氣化現(xiàn)象，向大氣少量滲漏，具有磨蝕性介質(zhì)時(shí)，可以選用蝶閥。</span> 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。吳忠蝶閥銷售廠家</p><p style="text-indent:25px">蝶閥是根據(jù)旋轉(zhuǎn)閥桿同時(shí)帶動(dòng)碟版轉(zhuǎn)動(dòng)來做啟閉的一種閥門。吳忠蝶閥銷售廠家</p><p> <span style="font-size:16px;">在連接方式方面，常見有對(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> 吳忠蝶閥銷售廠家</p><p style="text-indent:25px">甘肅誠禹惠物資有限公司主要經(jīng)營范圍是機(jī)械及行業(yè)設(shè)備，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下誠禹惠閥門，球閥批發(fā)，閥門批發(fā)，蝶閥批發(fā)深受客戶的喜愛。公司秉持誠信為本的經(jīng)營理念，在機(jī)械及行業(yè)設(shè)備深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢(shì)，打造機(jī)械及行業(yè)設(shè)備良好品牌。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2429028.html</p></div></div></div></div></div><div id="ujbolx2" class="page-right twoColRt"><div id="poln7el" 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