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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="qpr2lyh" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/xjbm05/637221402894111329/5169466.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="2r37iur" 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>新疆維吾爾自治區(qū)</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>新疆閥門(mén)生產(chǎn)廠家,門(mén)</p><p><span>***更新：</span>2020-11-19 11:03:40</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="n8hw87u" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">新疆良工鼎盛閥門(mén)有限公司</a></p><p><span>聯(lián)系人：</span>吳文祥</p><p><span>郵箱: </span>493643147@qq.com</p><p><span>電話(huà): </span>13999870027</p><p><span>傳真: </span>0991_6869191</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0991-6869191</p><p><span>地址: </span>米東南路西三巷1151號(hào)華凌建材進(jìn)出口基地水暖區(qū)8排5號(hào)</p><p>[當(dāng)前離線(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="z5vimta" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="33mt7ta" class="box"><p><p> 閥門(mén)是管路系統(tǒng)中用途**廣的控制部件。在管路中起開(kāi)通、關(guān)閉、調(diào)節(jié)流量和調(diào)節(jié)壓力的作用。如果管路中沒(méi)有閥門(mén)，管路的功能就根本無(wú)法實(shí)現(xiàn)。管路中閥門(mén)的配置和安裝不合理，同樣也會(huì)影響管路的功能。閥門(mén)選用的基本原則選擇閥門(mén)首先要清楚工藝要求，要符合壓力、溫度和介質(zhì)特性，其次要清楚功能要求，是自動(dòng)還是手動(dòng)，是切斷還是調(diào)節(jié)，是嚴(yán)格切斷還是基本切斷。正確、合理的選用閥門(mén)，可以獲得**經(jīng)濟(jì)的使用壽命和比較好的性能用途。閥門(mén)選用的一般通則a、管徑≤50mm，宜采用銅截止閥或銅球閥，管徑≥50cm，宜采用閘閥或蝶閥；b、管徑小宜采用螺紋連接，管徑大宜采用法蘭連接；c、安裝空間小的部位宜采用球閥，如必須采用閘閥，要選暗桿式，新疆閥門(mén)生產(chǎn)廠家。d、要求流動(dòng)阻力小的部位，宜采用閘閥；e、需雙向流動(dòng)的管段上宜采用閘閥、球閥；f、需調(diào)節(jié)流量、壓力時(shí)，宜采用截止閥；g、經(jīng)常啟閉的部位宜采用截止閥，不經(jīng)常啟閉的部位采用閘閥。黃銅球閥優(yōu)點(diǎn)：結(jié)構(gòu)簡(jiǎn)單，流動(dòng)阻力小，啟閉迅速，操作方便，新疆閥門(mén)生產(chǎn)廠家，新疆閥門(mén)生產(chǎn)廠家，可以作成直通、三通和四通式結(jié)構(gòu)，能輸送帶懸浮顆粒和粘度較大的介質(zhì)。缺點(diǎn)：制造精度要求高，閥體重量大，不能用于含有泥沙和結(jié)晶體的物料輸送，關(guān)斷性差，不調(diào)節(jié)流量功能。 </p> <p> 新疆烏市高壓油田閥門(mén)廠家推薦。新疆閥門(mén)生產(chǎn)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆閥門(mén)生產(chǎn)廠家,門(mén)" src="http://tyunfile.71360.com/UploadFile/xjbm05/637221402894111329/5169466.jpg"></div><p> 同時(shí)增加了兩個(gè)優(yōu)點(diǎn)：密封更合理、兼有截止功能。供熱工程中在熱力站二次網(wǎng)上使用，具有優(yōu)異的流量調(diào)節(jié)特性，特別適用于變流量系統(tǒng)。8、自力式平衡閥自力式平衡閥也叫流量控制閥。工作原理：在閥門(mén)內(nèi)有一個(gè)由彈簧與橡膠膜組成的機(jī)構(gòu)，它與閥桿連接。如果流量增大，會(huì)在其上產(chǎn)生一個(gè)不平衡力，使得閥瓣向關(guān)閉方向移動(dòng)，以減少過(guò)流面積，降低流量，使流量回歸設(shè)定值。反之亦然。由此始終保持閥后流量不變，達(dá)到控制流量的目的。安裝在供熱系統(tǒng)的熱人口，分支點(diǎn)。自動(dòng)消除水力失調(diào)，提高系統(tǒng)效能，實(shí)現(xiàn)經(jīng)濟(jì)運(yùn)行。自力式平衡閥有方向性，切勿裝反。9、安全閥當(dāng)介質(zhì)壓力超過(guò)規(guī)定數(shù)值時(shí)，閥門(mén)能自動(dòng)開(kāi)啟并泄壓，當(dāng)壓力正常后，又能自動(dòng)閉合，以保證系統(tǒng)正常運(yùn)行，起這種作用的閥門(mén)叫安全閥。按結(jié)構(gòu)分有：彈簧式、杠桿式、脈沖式。按動(dòng)作量分：閥瓣開(kāi)啟高度與閥座通徑之比10%以下叫微啟式，20%-30%叫全啟式。按排泄方式分：介質(zhì)通過(guò)管道排走叫封閉式，直接排向空中叫敞開(kāi)式?，F(xiàn)以彈簧式為例作一簡(jiǎn)述：彈簧力與介質(zhì)作用于閥瓣的正常壓力相平衡，使密封面閉合；當(dāng)介質(zhì)壓力過(guò)高時(shí)，彈簧受到壓縮，閥板開(kāi)啟，介質(zhì)從中泄出；當(dāng)壓力回降到正常值時(shí)，彈簧力又將閥門(mén)關(guān)閉。新疆電建閥門(mén)廠商烏魯木齊市耐酸堿閥門(mén)公司推薦。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆閥門(mén)生產(chǎn)廠家,門(mén)" src="http://tyunfile.71360.com/UploadFile/xjbm05/637221402893066407/2078765.jpg"></div><p> 建議方位為閥桿水平或與垂直方向有一定傾斜，以保證底部軸承處的清潔。（2）橡膠軟密封蝶閥蝶板一般為電鍍球墨鑄鐵，密封圈為橡膠材料。所用密封材料不同，性能有所不同。常用的有：丁青橡膠，適用溫度-12℃~+82℃；乙丙橡膠，適用溫度-45℃~+135℃；耐熱乙丙橡膠，適用溫度-20℃~+150℃。供熱工程中常用的有對(duì)夾式，法蘭式。DN125以下可用手柄驅(qū)動(dòng)。對(duì)夾式蝶閥小巧輕便，啟閉迅速，操作方便，又好安裝，又容易維修，密封和調(diào)節(jié)性能俱佳，性?xún)r(jià)比高，所以應(yīng)大力采用。軟密封蝶閥無(wú)方向性，可任意安裝。蝶閥在倉(cāng)儲(chǔ)時(shí)，閥板應(yīng)開(kāi)啟4°~5°。以免密封圈長(zhǎng)期受壓而變形，影響密封。5、止回閥啟閉件（閥瓣）借助介質(zhì)作用力、自動(dòng)阻止介質(zhì)逆流的閥門(mén)，也叫逆止閥、單向閥、單流門(mén)，一種常用的起輔助作用的閥門(mén)。水泵吸水管的吸水底閥是止回閥的變形，它的結(jié)構(gòu)與上述兩類(lèi)止因閥相同，只是它的下端是開(kāi)敞的，以便可使水進(jìn)入。按結(jié)構(gòu)可分兩類(lèi)：（1）升降式：閥瓣沿著閥體垂直中心線(xiàn)移動(dòng)。這類(lèi)止回閥有兩種：一種是臥式，裝于水平管道，閥體外形與截止閥相似；另一種是立式，裝于垂直管道。（2）旋啟式：閥瓣圍繞座外的銷(xiāo)軸旋轉(zhuǎn)，這類(lèi)閥門(mén)有單瓣、雙瓣和多瓣之分，但原理是相同的。</p><p> 如果焊接上接口，閥門(mén)必須打開(kāi)，如果焊接下接口，閥門(mén)必須關(guān)閉，以免閥門(mén)內(nèi)部被高熱灼傷。4、蝶閥啟閉件（蝶板）由閥桿帶動(dòng)，并繞閥桿的軸線(xiàn)作旋轉(zhuǎn)運(yùn)動(dòng)的閥門(mén)。蝶閥也叫蝴蝶閥，顧名思義，它的關(guān)鍵性部件好似蝴蝶迎風(fēng)，自由回旋。在供熱系統(tǒng)中，目前是使用*****，種類(lèi)也**多的一種閥門(mén)。蝶閥具有輕巧的特點(diǎn)，比其他閥門(mén)要節(jié)省材料，結(jié)構(gòu)簡(jiǎn)單，開(kāi)閉迅速，切斷和節(jié)流都能用，流體阻力小，操作省力。蝶閥，可以做成很大口徑。能夠使用蝶閥的地方，比較好不要使閘閥，因?yàn)榈y比閘閥經(jīng)濟(jì)，而且調(diào)節(jié)性好。目前，蝶閥在熱水管路得到***的使用。工作原理：閥瓣是一個(gè)圓盤(pán)，通過(guò)閥桿旋轉(zhuǎn)，閥瓣在閥座范圍內(nèi)作90℃轉(zhuǎn)動(dòng)，實(shí)現(xiàn)閥門(mén)的開(kāi)關(guān)。它在管路中起關(guān)斷作用，亦可調(diào)節(jié)流量。優(yōu)點(diǎn)：結(jié)構(gòu)簡(jiǎn)單，體積輕巧，操作方便，密封性好。缺點(diǎn)：全開(kāi)時(shí)，閥板（密封圈）受介質(zhì)沖蝕。在供熱工程中，用到的蝶閥有三偏心金屬密封蝶閥，橡膠軟密封蝶閥。（1）三偏心金屬密封蝶閥所謂“三偏心”是指閥軸、閥板在閥門(mén)內(nèi)相對(duì)位置的偏移。普通的蝶閥都是一個(gè)偏心，即閥軸中心線(xiàn)與密封面中心線(xiàn)（閥板中心線(xiàn)）偏離；高性能的再加一個(gè)偏心，即閥軸中心線(xiàn)與閥門(mén)中心線(xiàn)（管道中心線(xiàn)）偏離。烏魯木齊市高溫高壓閥門(mén)經(jīng)銷(xiāo)商。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆閥門(mén)生產(chǎn)廠家,門(mén)" src="http://tyunfile.71360.com/UploadFile/xjbm05/637221402894023438/8449335.jpg"></div><p style="text-indent:25px"> 另外，閥座及閥出口設(shè)計(jì)成文丘里噴嘴形，可以減少氣蝕和閃蒸。在閥前或閥后裝限流孔，能吸收一部分壓降，減少閥前發(fā)后壓降，可以減弱氣蝕。如果有閃蒸現(xiàn)象，則不易采用底近側(cè)出流向。采用新的結(jié)構(gòu)是提高超高壓卸壓閥水壓閥壽命的有效途徑。但是，其壓力越高，結(jié)構(gòu)應(yīng)越簡(jiǎn)單。新疆烏市各種進(jìn)口閥門(mén)公司推薦。上海良工閥門(mén)直銷(xiāo)</p><p style="text-indent:25px">烏魯木齊市不銹鋼閥門(mén)哪家強(qiáng)。新疆閥門(mén)生產(chǎn)廠家</p><p> 避免現(xiàn)場(chǎng)焊接安裝過(guò)程中由于溫度過(guò)高對(duì)閥門(mén)軟密封零件的傷害。當(dāng)閥門(mén)內(nèi)腔壓力上升時(shí)，閥體中腔的壓力可能將閥桿推出。為防止這種情況發(fā)生，在閥桿處設(shè)置有四開(kāi)環(huán)，防止閥桿飛出。這樣，對(duì)于更換填料較為方便和安全。閥桿設(shè)計(jì)有橡膠和石墨兩重4道密封圈，常溫時(shí)橡膠密封圈和石墨密封圈都起到密封作用。當(dāng)發(fā)生火災(zāi)時(shí)，石墨密封圈起到密封作用，確保閥桿部位在任何工況條件下都不會(huì)產(chǎn)生外漏。當(dāng)操作閥門(mén)時(shí)，由于球體和閥座之間的摩擦，會(huì)產(chǎn)生靜電并積聚在球體上。為防止產(chǎn)生靜電火花，特在閥門(mén)上設(shè)置防靜電裝置，將開(kāi)關(guān)過(guò)程產(chǎn)生的靜電導(dǎo)出。該設(shè)計(jì)在閥門(mén)使用在燃點(diǎn)較低的汽油、天然氣、丙烷等時(shí)將能夠有效地防止***的發(fā)生。當(dāng)意外發(fā)生火災(zāi)時(shí)，閥座、填料等非金屬材料將被燒壞，大量泄漏的介質(zhì)可能更加促進(jìn)火勢(shì)。閥門(mén)的防火結(jié)構(gòu)可阻止介質(zhì)大量泄漏。在火災(zāi)后，各泄漏部位（球與閥體、閥桿與閥體、中法蘭）設(shè)計(jì)成金屬接觸，滿(mǎn)足防火要求。如圖，一旦閥座被燒損，閥座在壓力作用下將直接和球體的金屬面接觸，從而阻止介質(zhì)大量從燒損的閥座處泄漏。其設(shè)計(jì)、制造均遵循API607和API6FA規(guī)范要求。固定球閥采用彈簧預(yù)緊浮動(dòng)閥座，無(wú)論閥門(mén)處于全開(kāi)或全關(guān)狀態(tài)時(shí)。新疆閥門(mén)生產(chǎn)廠家</p><p style="text-indent:25px">新疆良工鼎盛閥門(mén)有限公司位于米東南路西三巷1151號(hào)華凌建材進(jìn)出口基地水暖區(qū)8排5號(hào)。良工鼎盛致力于為客戶(hù)提供良好的閥門(mén)，管材，管道配件，消防器材，一切以用戶(hù)需求為中心，深受廣大客戶(hù)的歡迎。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠(chéng)信為本的理念，打造機(jī)械及行業(yè)設(shè)備良好品牌。良工鼎盛立足于全國(guó)市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶(hù)的變化需求。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2057007.html</p></div></div></div></div></div><div id="3lawvsp" class="page-right twoColRt"><div id="zgxpwyf" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="uoqnuwd" 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) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="qf7r4nz" class="recomPic likePro"><a 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