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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="w6f20ig" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/21/18/637020099333213135_xjbm05_8533001.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="h4qs6m3" 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>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>新疆不銹鋼球閥廠,閥</p><p><span>***更新：</span>2021-01-29 05:02:52</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="2nswqlv" 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: </span>13999870027</p><p><span>傳真: </span>0991_6869191</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0991-6869191</p><p><span>地址: </span>米東南路西三巷1151號華凌建材進出口基地水暖區(qū)8排5號</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="6brurhw" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="sojootc" class="box"><p><p> 對夾連接用螺栓直接將閥門及兩頭管道穿夾在一起的連接形式。對焊連接直接與管道焊接的一種連接方式。螺紋連接這是一種簡便的連接方法，常用于小閥門。又分兩種情況：1、直接密封：內(nèi)外螺紋直接起密封作用。為了確保連接處不漏，往往用鉛油、線麻和聚四氟乙烯生料帶填充；其中聚四氟乙烯生料帶，使用日見***；這種材料耐腐蝕性能很好，新疆不銹鋼球閥廠，密封效果較好，使用和保存方便，拆卸時，可以完整地將其取下，因為它是一層無粘性的薄膜，比鉛油、線麻優(yōu)越得多。2、間接密封：螺紋旋緊的力量，新疆不銹鋼球閥廠，新疆不銹鋼球閥廠，傳遞給兩平面間的墊圈，讓墊圈起密封作用。烏魯木齊市高壓油田閥門廠家推薦。新疆不銹鋼球閥廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆不銹鋼球閥廠,閥" src="http://tyunfile.71360.com/UpLoadFile/2019/8/21/18/637020099333213135_xjbm05_8533001.jpg"></div><p style="text-indent:25px">按工作溫度：（1）**溫閥：用于介質(zhì)工作溫度 t<－101℃的閥門。（2）常溫閥：用于介質(zhì)工作溫度－29℃<t<120℃的閥門。（3）中溫閥：用于介質(zhì)工作溫度120℃<t<425℃的閥門。（4）高溫閥：用于介質(zhì)工作溫度t>425℃的閥門。按驅(qū)動方式：按驅(qū)動方式可分為自動閥類、動力驅(qū)動閥類和手動閥類。按公稱通徑（1）小通徑閥門：公稱通徑DN≤40mm的閥門。（2）中通徑閥門：公稱通徑DN為50～300mm的閥門。（3）大通徑閥門：公稱通徑DN為350～1200mm的閥門。（4）特大通徑閥門：公稱通徑DN≥1400mm的閥門新疆烏市止回閥專賣店烏魯木齊市給排水閥門公司推薦。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆不銹鋼球閥廠,閥" src="http://tyunfile.71360.com/UpLoadFile/2019/8/21/18/637020099341787525_xjbm05_9548475.jpg"></div><p style="text-indent:25px">調(diào)節(jié)閥為什么雙密封閥不能當(dāng)作切斷閥使用？雙座閥閥芯的優(yōu)點是力平衡結(jié)構(gòu)，允許壓差大，而它突出的缺點是兩個密封面不能同時良好接觸，造成泄漏大。如果把它人為地、強制性地用于切斷場合，顯然效果不好，即便為它作了許多改進（如雙密封套筒閥），也是不可取的。調(diào)節(jié)閥為什么雙座閥小開度工作時容易振蕩？對單芯而言，當(dāng)介質(zhì)是流開型時，閥穩(wěn)定性好；當(dāng)介質(zhì)是流閉型時，閥的穩(wěn)定性差。雙座閥有兩個閥芯，下閥芯處于流閉，上閥芯處于流開，這樣，在小開度工作時，流閉型的閥芯就容易引起閥的振動，這就是雙座閥不能用于小開度工作的原因所在。</p><p style="text-indent:25px">優(yōu)點 1、流動阻力小。閥體內(nèi)部介質(zhì)通道是直通的，介質(zhì)成直線流動，流動阻力小。 2、啟閉時較省力。是與截止閥相比而言，因為無論是開或閉，閘板運動方向均與介質(zhì)流動方向相垂直。 3、高度大，啟閉時間長。閘板的啟閉行程較大，升降是通過螺桿進行的。 4、水錘現(xiàn)象不易產(chǎn)生。原因是關(guān)閉時間長。 5、介質(zhì)可向兩側(cè)任意方向流動，易于安裝。閘閥通道兩側(cè)是對稱的。 6、結(jié)構(gòu)長度(系殼體兩連接端面之間的距離)較小。 7、形體簡單，結(jié)構(gòu)長度短，制造工藝性好，適用范圍廣。 8、結(jié)構(gòu)緊湊，閥門剛性好，通道流暢，流阻數(shù)小，密封面采用不銹鋼和硬質(zhì)合金，使用壽命長，采用PTFE填料，密封可靠，操作輕便靈活。烏魯木齊市高溫高壓閥門公司推薦。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆不銹鋼球閥廠,閥" src="http://tyunfile.71360.com/UpLoadFile/2019/8/21/18/637020099316522305_xjbm05_1398607.jpg"></div><p style="text-indent:25px">注脂時也要觀察閥門通徑與密封圈座平齊問題。例如球閥，如果存在開位過盈，可向里調(diào)整開位限位器，確認(rèn)通徑平直后鎖定。調(diào)整限位不可只追求開或關(guān)一方位置，要整體考慮。如果開位平齊，關(guān)不到位，會造成閥門關(guān)不嚴(yán)。同理，調(diào)整關(guān)到位，也要考慮開位相應(yīng)的調(diào)整。確保閥門的直角行程。第八、注脂后，一定封好注脂口。避免雜質(zhì)進入，或注脂口處脂類氧化，封蓋要涂抹防銹脂，避免生銹。以便下一次操作時應(yīng)用。第九、注脂時，也要考慮在今后油品順序輸送中具體問題具體對待。鑒于柴油與汽油不同的品質(zhì)，應(yīng)考慮汽油的沖刷和分解能力。在以后閥門操作，遇到汽油段作業(yè)時，及時補充潤滑脂，防止磨損情況發(fā)生。烏魯木齊市不銹鋼閥門公司推薦。新疆不銹鋼球閥廠</p><p style="text-indent:25px">烏魯木齊市高壓油田閥門專賣店。新疆不銹鋼球閥廠</p><p> 性能檢測要求1、閥門某一規(guī)格批量制造時，應(yīng)委托官方性機構(gòu)進行以下性能的檢測：①閥門在工壓狀況下的啟閉力矩；②閥門在管道輸水狀況下的流阻系數(shù)的檢測。2、閥門在出廠前應(yīng)進行以下的檢測：①閥門在開啟狀況下，閥體應(yīng)承受閥門工壓值二倍的內(nèi)壓檢測；②閥門在關(guān)閉狀況下，兩側(cè)分別承受11倍閥門工壓值，無滲漏；但金屬密封的蝶閥，滲漏值亦不大于相關(guān)要求。密封要求閥門的密封性能是指閥門各密封部位阻止介質(zhì)泄漏的能力，它是閥門最重要的技術(shù)性能指標(biāo)。閥門的密封部位有三處：啟閉件與閥座兩密封面間的接觸處；填料與閥桿和填料函的配合處；閥體與閥蓋的連接處。其中前一處的泄漏叫做內(nèi)漏，也就是通常所說的關(guān)不嚴(yán)，它將影響閥門截斷介質(zhì)的能力。對于截斷閥類來說，內(nèi)漏是不允許的。后兩處的泄漏叫做外漏，即介質(zhì)從閥內(nèi)泄漏到閥外。外漏會造成物料損失，污染環(huán)境，嚴(yán)重時還會造成***。對于易燃易爆、0或有放射的介質(zhì)，外漏更是不能允許的，因而閥門必須具有可靠的密封性能。新疆不銹鋼球閥廠</p><p style="text-indent:25px">新疆良工鼎盛閥門有限公司是一家有著雄厚實力背景、信譽可靠、勵精圖治、展望未來、有夢想有目標(biāo)，有組織有體系的公司，堅持于帶領(lǐng)員工在未來的道路上大放光明，攜手共畫藍(lán)圖，在新疆維吾爾自治區(qū)烏魯木齊市等地區(qū)的機械及行業(yè)設(shè)備行業(yè)中積累了大批忠誠的客戶粉絲源，也收獲了良好的用戶口碑，為公司的發(fā)展奠定的良好的行業(yè)基礎(chǔ)，也希望未來公司能成為行業(yè)的翹楚，努力為行業(yè)領(lǐng)域的發(fā)展奉獻出自己的一份力量，我們相信精益求精的工作態(tài)度和不斷的完善創(chuàng)新理念以及自強不息，斗志昂揚的的企業(yè)精神將引領(lǐng)良工鼎盛和您一起攜手步入輝煌，共創(chuàng)佳績，一直以來，公司貫徹執(zhí)行科學(xué)管理、創(chuàng)新發(fā)展、誠實守信的方針，員工精誠努力，協(xié)同奮取，以品質(zhì)、服務(wù)來贏得市場，我們一直在路上！</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3059676.html</p></div></div></div></div></div><div id="2ajtpvq" class="page-right twoColRt"><div id="jlb8psb" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="yadsd7x" 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" 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