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src="https://tyunfile.71360.com/WaterMark/UploadFile/lanpa1/637445227457898088/168651.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="qurds8f" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/lanpa1/637445227457898088/168651.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="jy8star" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>貴州止回閥廠家,止回閥</p><p><span>***更新：</span>2021-02-07 10:24:50</p><p><span id="click" >瀏覽次數(shù)：8次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="etvs22s" 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（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: </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="bkm2zqx" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="y7icriu" class="box"><p><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)計在鉸鏈機構(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的狀況，流體壓力幾乎不受阻礙，因此通過閥門的壓力降相對較小。升降式止回閥的閥瓣坐落位于閥體上閥座密封面上，貴州止回閥廠家。此閥門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。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，貴州止回閥廠家，流體通過升降式止回閥的通道也是狹窄的，因此通過升降式止回閥的壓力降比旋啟式止回閥大些，貴州止回閥廠家，而且旋啟式止回閥的流量受到的限制很少。由于止回閥在沒有使用者的情況下運行，因此需要壓力差來操作。貴州止回閥廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州止回閥廠家,止回閥" src="https://tyunfile.71360.com/WaterMark/UploadFile/lanpa1/637445227457898088/168651.png"></div><p style="text-indent:25px">止回閥還可用于給其中的壓力可能升至超過系統(tǒng)壓的輔助系統(tǒng)提供補給的管路上。止回閥主要可分為旋啟式止回閥（依重心旋轉(zhuǎn)）與升降式止回閥（沿軸線移動）。止回閥這種類型的閥門的作用是只允許介質(zhì)向一個方向流動，而且阻止反方向流動。通常這種閥門是自動工作的，在一個方向流動的流體壓力作用下，閥瓣打開；流體反方向流動時，由流體壓力和閥瓣的自重合閥瓣作用于閥座，從而切斷流動。其中止回閥就屬于這種類型的閥門，它包括旋啟式止回閥和升降式止回閥。旋啟式止回閥有一介鉸鏈機構(gòu)，還有一個像門一樣的閥瓣自由地靠在傾斜的閥座表面上。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)計在鉸鏈機構(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。貴州止回閥廠家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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州止回閥廠家,止回閥" src="https://tyunfile.71360.com/WaterMark/UploadFile/lanpa1/637445227345954701/4336260.png"></div><p style="text-indent:25px">止回閥是污水提升機里一個很重要的部件，它是控制污水流量和流通的啟閉件，在整個提升系統(tǒng)中起著至關(guān)重要的作用。它是一種自動閥，主要用于介質(zhì)單向流動的管道上，只允許介質(zhì)向一個方向流動，當(dāng)介質(zhì)反方向流動時則依靠介質(zhì)的壓力和自重自動合閥阻止介質(zhì)進一步流入集水箱造成污水回流。箱體集成旋啟式止回閥有橡膠密封面，在總箱體內(nèi)部，制造工藝復(fù)雜，難度高，可以有效的降低噪音。普通球型止回閥在排水管路上，工藝非常簡單，通用性強，造價低，止回球的表面只有一層橡膠包裹，落下的時候會與球墨鑄鐵殼體碰撞發(fā)出很大的噪音。 </p><p style="text-indent:25px"> 升降式止回閥需要介質(zhì)旋轉(zhuǎn)90度。隨著入口壓力增加，它向上推動盤（克服重力和/或彈簧）以允許介質(zhì)流過。將光盤保持在垂直線上以確保當(dāng)入口壓力降低時，光盤將正確地重新就位并密封開口。它們使用擱置在密封座上的球來封閉開口。密封座通常是錐形的，以確保球被引導(dǎo)到座位并產(chǎn)生適當(dāng)?shù)拿芊?。它可以是自由浮動的或彈簧式的。?dāng)入口壓力高于開啟壓力時，球?qū)拿芊饧幸瞥霾⒃试S介質(zhì)流動。要關(guān)閉，沒有彈簧的球形止回閥需要背壓（反向流動），否則，背壓迫使球進入密封。鴨嘴閥類似于軟管而不是金屬外殼。閥門的出口被擠壓/壓平在一起，這就是閥門類型的名稱。來自入口的介質(zhì)流打開扁平端，允許介質(zhì)流過。當(dāng)移除入口壓力時，鴨嘴形末端會向后平展以防止回流。如果您的止回閥頻頻出現(xiàn)問題，可能是挑選不妥造成的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州止回閥廠家,止回閥" src="https://tyunfile.71360.com/WaterMark/UploadFile/lanpa1/637445227408435167/8381061.png"></div><p style="text-indent:25px"> 離心泵出口的止回閥的作用就是防止出口管路中的液體倒流形成水錘造成泵內(nèi)葉輪損傷。止回閥的安裝與泵的多少無關(guān),止回閥主要為了在泵停止運行后，防止液體回流，使泵倒轉(zhuǎn),從而造成損壞泵的事故。泵出口止回閥的安裝： 1、旋啟式止回閥一般安裝在水平管道上：對于口徑DN<80mm的止回閥，也可安裝在垂直或向上傾斜的管道上。 2、直通式升降式止回閥應(yīng)安裝在水平管道上;立式升降式止回閥必須安裝在垂直管道上，介質(zhì)為自下而上流動。 3、由于止回閥容易損壞，因此，應(yīng)靠近泵出口安裝止回閥，在止回閥上部設(shè)有切斷閥(一般用球閥或閘閥)，方便檢修。 4、為便于止回閥拆卸前泄壓，對于止回閥本身不帶放凈閥的，應(yīng)在止回閥與切斷閥之間加裝泄壓用放凈閥。升降式止回閥與截止閥結(jié)構(gòu)類似，僅缺少帶動閥瓣的閥桿。貴州止回閥廠家</p><p style="text-indent:25px">止回閥主要可分為旋啟式止回閥與升降式止回閥（沿軸線移動）。貴州止回閥廠家</p><p style="text-indent:25px">主體毛坯的質(zhì)量控制本閥門的所有零件均為鍛件，鍛造時嚴(yán)格按照鍛造工藝規(guī)程和工序卡進行，嚴(yán)格控制始鍛溫度、終鍛溫度、變形程度和變形速度，按工藝規(guī)程規(guī)定的冷卻方法進行冷卻。對鍛成品進行化學(xué)成分分析、力學(xué)性能試驗、晶間腐蝕試驗、金相組織分析，經(jīng)分析、試驗和測定，均符合相應(yīng)標(biāo)準(zhǔn)。鍛件的質(zhì)量通過超聲波檢驗和液體滲透檢驗來保證，按照RCC－M要求對鍛件進行100%的超聲波探傷并評定，并對鍛件的全部表面進行液體滲透檢驗和評定。焊接為了提高堆焊質(zhì)量，對閥瓣和閥座的密封面堆焊采用了等離子氬弧焊工藝。同時，為確保焊接質(zhì)量，對生產(chǎn)中所用焊接工藝重新進行了工藝評定。貴州止回閥廠家</p><p style="text-indent:25px">藍(lán)帕控制閥門（江蘇）有限公司位于泰興市黃橋工業(yè)園區(qū)軍民路北側(cè)。公司業(yè)務(wù)分為閥門，管道及配件，氣動元件，工業(yè)自動化設(shè)備等，目前不斷進行創(chuàng)新和服務(wù)改進，為客戶提供良好的產(chǎn)品和服務(wù)。公司秉持誠信為本的經(jīng)營理念，在機械及行業(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，發(fā)揮人才優(yōu)勢，打造機械及行業(yè)設(shè)備良好品牌。在社會各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造高品質(zhì)服務(wù)體驗，為客戶成功提供堅實有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3204859.html</p></div></div></div></div></div><div id="lwdmtqd" class="page-right twoColRt"><div id="3lar39m" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3f3prol" 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配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="cmelizl" class="recomPic 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