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id="hpxvh9t" 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(mén)</a>?<a href="http://www.cdcfah.com/cp/third-famenti_qitafamenbd/">其他閥門(mén)</a>?廣西止回閥廠家誠(chéng)信為本藍(lán)帕控制閥門(mén)供應(yīng)</p><div id="vxv7zhz" class="leftbox clearfix"><h1>廣西止回閥廠家誠(chéng)信為本藍(lán)帕控制閥門(mén)供應(yīng)</h1><div id="vdxn9lf" class="proBig"><div id="flbjvjr" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/lanpa1/637445227401296484/814516.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="vhxlnbj" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/lanpa1/637445227401296484/814516.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="1nddp7d" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>廣西止回閥廠家,止回閥</p><p><span>***更新：</span>2021-01-30 03:19:38</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="j7brlrf" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">藍(lán)帕控制閥門(mén)（江蘇）有限公司</a></p><p><span>聯(lián)系人：</span>彭俊蘭</p><p><span>郵箱: </span>shlapar@163.com</p><p><span>電話: </span>13918404049</p><p><span>傳真: </span>0523_87889288</p><p><span>網(wǎng)址: </span>http://laparvalve.com</p><p><span>手機(jī): </span>0523-87885388</p><p><span>地址: </span>泰興市黃橋工業(yè)園區(qū)軍民路北側(cè)</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="9xxnhx7" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="hdb9t9n" class="box"><p><p style="text-indent:25px">安裝止回閥是為了保證水泵內(nèi)部水流的流向，從而保障水泵的正常工作。所以關(guān)于止回閥的安裝位置，廣西止回閥廠家，到底是安裝在水泵前還是水泵后，可以分兩種情況：一種是安裝在水泵前豎吸管端頭，也叫底閥。目的是為了不用抽一次水向水泵充一次水，因?yàn)樗脙?nèi)以及泵前的吸管內(nèi)無(wú)水時(shí)水泵只能空轉(zhuǎn)抽不上水，所以水泵內(nèi)必須充滿水才能抽出水。這種水泵的安裝是高于液面時(shí)的一種方法，也叫負(fù)壓法。另一種是安裝在水泵的后方，廣西止回閥廠家。這種安裝方法是液面高于水泵的情況下，方便啟停水泵時(shí)不用關(guān)水泵出水閥，廣西止回閥廠家，特別是對(duì)于母管制水泵系統(tǒng)，防止發(fā)生倒流的情況。止回閥按結(jié)構(gòu)劃分，可分為升降式止回閥、旋啟式止回閥和蝶式止回閥三種。廣西止回閥廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣西止回閥廠家,止回閥" src="https://tyunfile.71360.com/WaterMark/UploadFile/lanpa1/637445227401296484/814516.png"></div><p style="text-indent:25px"> 那么止回閥的安裝位置如何確定呢？泵前安裝與泵后安裝止回閥有何區(qū)別，泵前安裝適用于哪些地方？止回閥通常要配合其他閥門(mén)一起使用，那么跟其他閥門(mén)配合使用時(shí)，止回閥要安裝在哪里呢？下面我們來(lái)一起探討一下。止回閥又叫逆止閥，是一種自動(dòng)閥門(mén)，它依靠管道內(nèi)流動(dòng)介質(zhì)的壓力推動(dòng)閥瓣，來(lái)實(shí)現(xiàn)閥門(mén)的關(guān)閉和開(kāi)啟，當(dāng)介質(zhì)停止流動(dòng)，止回閥閥瓣關(guān)閉，它能有效防止管道內(nèi)介質(zhì)發(fā)生倒流，這對(duì)于保障管道的安全起到了很大的作用。止回閥按結(jié)構(gòu)劃分，可分為升降式止回閥、旋啟式止回閥和蝶式止回閥三種。升降式止回閥可分為立式和直通式兩種。旋啟式止回閥分為單瓣式、雙瓣式和多瓣式三種。蝶式止回閥分為蝶式雙瓣、蝶式單瓣，以上幾種止回閥在連接形式上可分為螺紋連接、法蘭連接、焊接和對(duì)夾式連接四種。湖南止回閥都有哪些止回閥主要是用來(lái)防止管道中的介質(zhì)倒流使用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣西止回閥廠家,止回閥" src="https://tyunfile.71360.com/WaterMark/UploadFile/lanpa1/637445227282878531/5282076.png"></div><p style="text-indent:25px">為了確保閥瓣每次都能到達(dá)閥座面的合適位置，閥瓣設(shè)計(jì)在鉸鏈機(jī)構(gòu)，以便閥瓣具有足夠有旋啟空間，并使閥瓣真正的、多方面的與閥座接觸。閥瓣可以全部用金屬制成，也可以在金屬上鑲嵌皮革、橡膠、或者采用合成覆蓋面，這取決于使用性能的要求。旋啟式止回閥在完全打開(kāi)的狀況，流體壓力幾乎不受阻礙，因此通過(guò)閥門(mén)的壓力降相對(duì)較小。升降式止回閥的閥瓣坐落位于閥體上閥座密封面上。此閥門(mén)除了閥瓣可以自由地升降之外，其余部分如同截止閥一樣，流體壓力使閥瓣從閥座密封面上抬起，介質(zhì)回流導(dǎo)致閥瓣回落到閥座上，并切斷流動(dòng)。根據(jù)使用條件，閥瓣可以是全金屬結(jié)構(gòu)，也可以是在閥瓣架上鑲嵌橡膠墊或橡膠環(huán)的形式。像截止閥一樣，流體通過(guò)升降式止回閥的通道也是狹窄的，因此通過(guò)升降式止回閥的壓力降比旋啟式止回閥大些，而且旋啟式止回閥的流量受到的限制很少。</p><p style="text-indent:25px">積極采用國(guó)際標(biāo)準(zhǔn)進(jìn)行產(chǎn)品設(shè)計(jì)；吸收國(guó)外較好的設(shè)計(jì)結(jié)構(gòu)；產(chǎn)品試驗(yàn)、性能檢驗(yàn)嚴(yán)格按國(guó)際標(biāo)準(zhǔn)進(jìn)行；吸收國(guó)外生產(chǎn)工藝經(jīng)驗(yàn)重視新材料的研究及推廣應(yīng)用；弄清進(jìn)口的高參數(shù)閥門(mén)產(chǎn)品的技術(shù)參數(shù)和工況條件等是加快國(guó)產(chǎn)化進(jìn)程，推進(jìn)閥門(mén)產(chǎn)品不斷更新，多方面實(shí)現(xiàn)閥門(mén)的國(guó)產(chǎn)化的途徑。隨著閥門(mén)行業(yè)重組步伐的加快，未來(lái)行業(yè)將是閥門(mén)產(chǎn)品質(zhì)量安全和產(chǎn)品品牌之間的競(jìng)爭(zhēng)，產(chǎn)品向高技術(shù)、高參數(shù)、耐強(qiáng)腐蝕、高壽命方向發(fā)展，只有通過(guò)不斷的技術(shù)創(chuàng)新，開(kāi)發(fā)新產(chǎn)品，進(jìn)行技術(shù)改造，才能逐步提高產(chǎn)品技術(shù)水平，滿足國(guó)內(nèi)裝置配套，多方面實(shí)現(xiàn)閥門(mén)的國(guó)產(chǎn)化。我國(guó)閥門(mén)制造行業(yè)在龐大的需求環(huán)境下，必將呈現(xiàn)出更好的發(fā)展前景。直通式升降止回閥只能在水平管道安裝。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣西止回閥廠家,止回閥" src="https://tyunfile.71360.com/WaterMark/UploadFile/lanpa1/637445227345954701/4336260.png"></div><p style="text-indent:25px"> 止回閥的閥瓣或閥芯，在水流停止流動(dòng)時(shí)，應(yīng)能在重力或彈簧力作用下自行關(guān)閉。也就是說(shuō)重力或彈簧力的作用方向與閥瓣或閥芯的關(guān)閉運(yùn)動(dòng)的方向要一致，才能使閥瓣或閥芯關(guān)閉。一般來(lái)說(shuō)臥式升降式止回閥和阻尼緩閉止回閥及多功能閥只能安裝在水平管上，立式升降式止回閥不能安裝在水平管上，其他的止回閥均可安裝在水平管上或水流方向自下而上的立管上。水流方向自上而下的立管，不應(yīng)安裝止回閥。因?yàn)檫@種情況下止回閥的閥瓣不能自行關(guān)閉，起不到止回的作用。重要的是，止回閥閥體止回方向不要弄錯(cuò)了，應(yīng)與水流流動(dòng)方向一致，否則就會(huì)導(dǎo)致該止回的管路未止回，該供水的管路卻沒(méi)水！旋啟式止回閥有一個(gè)斜置并能繞軸旋轉(zhuǎn)的閥瓣，工作原理與升降式止回閥相似。廣西止回閥廠家</p><p style="text-indent:25px">閥門(mén)行業(yè)在國(guó)民經(jīng)濟(jì)發(fā)展中，作為準(zhǔn)備制造業(yè)的一個(gè)重要環(huán)節(jié)，起到非常重要的作用。廣西止回閥廠家</p><p style="text-indent:25px">閥瓣通常情況下被壓在閥座上。當(dāng)入口處的流體壓力增加，克服了閥瓣的重量和出口處的流體壓力后，閥瓣將會(huì)開(kāi)啟，開(kāi)始產(chǎn)生流量的壓力點(diǎn)被稱為閥門(mén)的開(kāi)啟壓力。隨著壓力的增加，閥瓣會(huì)逐漸到達(dá)完全開(kāi)啟的位置。如果流量來(lái)自閥門(mén)的出口側(cè)，此時(shí)出口壓力大于入口壓力，閥門(mén)關(guān)閉，流體無(wú)法通過(guò)閥門(mén)。旋啟式止回閥較明顯的優(yōu)點(diǎn)是閥門(mén)從入口到出口之間的壓降很低，這種閥門(mén)非常適用于高流量、低流速的應(yīng)用場(chǎng)景。不僅如此，流體通過(guò)閥門(mén)產(chǎn)生的湍流也非常少。此外，這種閥門(mén)易于維修。若閥門(mén)發(fā)生泄漏，可以直接更換閥座環(huán)和閥瓣等部件，而不需要拆卸整個(gè)閥門(mén)進(jìn)行維修。不過(guò)，旋啟式止回閥不適用于壓力波動(dòng)較大的系統(tǒng)，壓力波動(dòng)會(huì)使閥門(mén)反復(fù)開(kāi)閉，造成閥瓣或閥座損傷，導(dǎo)致閥門(mén)內(nèi)漏。廣西止回閥廠家</p><p style="text-indent:25px">藍(lán)帕控制閥門(mén)（江蘇）有限公司是一家LAPAR在亞太已經(jīng)形成了包含蝶閥、球閥、調(diào)節(jié)閥、截止閥、閘閥、止回閥等二十多個(gè)系列的產(chǎn)品格局，嚴(yán)格執(zhí)行ISO、API、ANSI、DIN、GB等標(biāo)準(zhǔn)體系，產(chǎn)品運(yùn)用在環(huán)保、機(jī)械、電力、石油、空分、化工、食品、醫(yī)藥等行業(yè)，銷(xiāo)售網(wǎng)絡(luò)覆蓋了中國(guó)及亞太各國(guó)。的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠(chéng)實(shí)可信的企業(yè)。藍(lán)帕閥門(mén)擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊(duì)，以高度的專注和執(zhí)著為客戶提供閥門(mén)，管道及配件，氣動(dòng)元件，工業(yè)自動(dòng)化設(shè)備。藍(lán)帕閥門(mén)繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長(zhǎng)，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。藍(lán)帕閥門(mén)始終關(guān)注自身，在風(fēng)云變化的時(shí)代，對(duì)自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使藍(lán)帕閥門(mén)在行業(yè)的從容而自信。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3073354.html</p></div></div></div></div></div><div id="9trpzfb" class="page-right twoColRt"><div id="h575pxv" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="xvvl955" 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