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src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864801250000/1537013.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3el88vs" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864801250000/1537013.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8hevxug" 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>烏魯木齊黃銅閥門(mén)批發(fā),閥</p><p><span>***更新：</span>2020-12-28 20:16:13</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="iwdf7bi" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">新疆遠(yuǎn)大通用閥門(mén)有限公司</a></p><p><span>聯(lián)系人：</span>李嘉豪</p><p><span>郵箱: </span>1183099099@qq.com</p><p><span>電話(huà): </span>18999955968</p><p><span>傳真: </span>0991_6877477</p><p><span>網(wǎng)址: </span>http://www.xjyuanda.com</p><p><span>手機(jī): </span>0991-6877477</p><p><span>地址: </span>烏魯木齊市高新技術(shù)產(chǎn)業(yè)開(kāi)發(fā)區(qū)（新市區(qū)）清水街213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="mli3gcs" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="mqholvc" class="box"><p><p> 、ZG15Cr1MoV、WC9VP5714570蒸汽類(lèi)鎳、鉻、鈦、耐酸鋼1Cr18Ni9TiZG1Cr18Ni9TiP≤≤200—100～—196≤600硝酸等腐蝕介質(zhì)乙烯等低溫介質(zhì)高溫蒸汽、氣體等鎳鉻鉬鈦耐酸鋼1Cr18Ni12Mo2TiZG1Cr18Ni12Mo2TiR≤20≤200尿素、醋酸等質(zhì)量錳釩鋼16Mn15MnVI≤16≤450水、蒸汽、油類(lèi)等銅合金HSi80-3T≤≤250水、蒸汽、氣體等表2-3b常用密封面材料選用表材料代號(hào)常用工況適用閥類(lèi)PN/MPat/℃橡膠X≤≤60截止閥、隔膜閥、蝶閥、止回閥等尼龍N≤32≤80球閥、截止閥等聚四氟乙烯塑料F≤≤150球閥、截止閥、旋塞閥、閘閥等巴氏合金B(yǎng)≤—70～150氨用截止閥銅合金QSn6-6-3HMn58-2-2T≤≤200閘閥、截止閥，烏魯木齊黃銅閥門(mén)批發(fā)、止回閥、旋塞閥等不銹鋼2Cr13、3Cr13TDCr-2TDCrMnH≤≤450中高壓閥門(mén)滲氮鋼38CrMoALADP5410540電站閘閥、一般情況不使用硬質(zhì)合金WC、TiCY按閥體材料確定高溫閥、超高壓閥TDCoCr-1TDCoCr-2按閥體材料確定高壓、超高壓閥高溫、低溫閥在本體上加工鑄鐵W≤≤100氣、油類(lèi)用閘閥，烏魯木齊黃銅閥門(mén)批發(fā)，烏魯木齊黃銅閥門(mén)批發(fā)、截止閥等質(zhì)量碳素鋼≤4≤200油類(lèi)用閥門(mén)1Cr18Ni9TiCr18Ni12Mo2Ti≤32≤450酸類(lèi)等腐蝕性介質(zhì)用閥門(mén)2.驅(qū)動(dòng)閥門(mén)選用舉例【例1】蒸汽管道工作壓力為，溫度為350℃，公稱(chēng)通徑為100mm，試選擇閉路閥門(mén)?？死斠勒{(diào)節(jié)閥生產(chǎn)廠家。烏魯木齊黃銅閥門(mén)批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="烏魯木齊黃銅閥門(mén)批發(fā),閥" src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864801250000/1537013.jpg"></div><p> 必須準(zhǔn)確地掌握用汽設(shè)備的凝結(jié)水排放量Gt和用汽壓力。用以選擇蒸汽疏水閥的凝結(jié)水排放量Gt，按下式計(jì)算：Gt=η·Gc（7）式中Gt—蒸汽疏水閥的凝結(jié)水排放量，t/h；η—安全率，其數(shù)值按蒸汽疏水閥樣本選取，或參考表2-9；Gc—用汽設(shè)備凝結(jié)水的排放量，t/h。選好疏水閥，是一項(xiàng)重要的節(jié)能措施。據(jù)我國(guó)有關(guān)部門(mén)統(tǒng)計(jì)。目前全國(guó)蒸汽疏水閥擁有量約500萬(wàn)臺(tái)。大約有80%的產(chǎn)品達(dá)不到現(xiàn)行國(guó)家標(biāo)準(zhǔn)漏汽量小于3%的要求。每年將損失1500萬(wàn)噸標(biāo)煤。因此，要國(guó)家不同工況條件選擇合適的疏水閥。我國(guó)常用的疏水閥性能見(jiàn)表2-10。由于各種因素的影響，疏水閥技術(shù)參數(shù)的理論計(jì)算與實(shí)際使用情況是有出入的。實(shí)際排水量大于理論排水量。其安全率η見(jiàn)表2-9。在需要立即排除凝結(jié)水的場(chǎng)合，如渦輪蒸汽機(jī)、蒸汽泵、蒸汽主管道等，不宜采用有過(guò)冷度的疏水閥，如脈沖式疏水閥和熱靜力波紋管式疏水閥。表2-9蒸汽疏水閥安全率η推薦表序號(hào)供熱系統(tǒng)使用情況η1分汽缸下部疏水在各種壓力下，能進(jìn)行快速排除凝結(jié)水32蒸汽主管疏水對(duì)于輸送飽和蒸汽的主干管，間斷供氣時(shí)，每隔100m左右應(yīng)安裝啟動(dòng)蒸汽疏水閥；連續(xù)供汽時(shí)，逆坡管每隔200～300m應(yīng)安裝啟動(dòng)蒸汽疏水閥，順坡管每隔400～500m應(yīng)安裝啟動(dòng)蒸汽疏水閥。烏魯木齊電動(dòng)閥門(mén)批發(fā)烏魯木齊黃銅絲扣球閥哪家好。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="烏魯木齊黃銅閥門(mén)批發(fā),閥" src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864802158203/7838338.jpg"></div><p> 現(xiàn)代化、將是今后閥門(mén)行業(yè)發(fā)展主要方向。追求不斷的創(chuàng)新，為閥門(mén)企業(yè)創(chuàng)造出新的市場(chǎng)，才能讓企業(yè)在競(jìng)爭(zhēng)日益激烈的泵閥行業(yè)大潮中求生存、謀發(fā)展。隨著閥門(mén)技術(shù)的不斷發(fā)展,閥門(mén)應(yīng)用領(lǐng)域的不斷拓寬,與之對(duì)應(yīng)的閥門(mén)標(biāo)準(zhǔn)也越來(lái)越不可或缺。閥門(mén)行業(yè)產(chǎn)品進(jìn)入一個(gè)創(chuàng)新的時(shí)期,不僅產(chǎn)品類(lèi)別需要更新?lián)Q代,企業(yè)內(nèi)部管理也需要根據(jù)行業(yè)的標(biāo)準(zhǔn)深化**。因此，需要在充分運(yùn)用現(xiàn)有標(biāo)準(zhǔn)的同時(shí),展望未來(lái),研究出能夠運(yùn)用于將來(lái)的新標(biāo)準(zhǔn)和新體系,從而推進(jìn)閥門(mén)技術(shù)更高層次的發(fā)展。未來(lái)閥門(mén)行業(yè)將朝著兩大主方向發(fā)展：一是由單一品種向多品種和多規(guī)格發(fā)展;二是朝著節(jié)能方向發(fā)展。業(yè)內(nèi)人士稱(chēng)，泵閥企業(yè)只有有效清晰地認(rèn)識(shí)行業(yè)現(xiàn)狀，不斷加強(qiáng)優(yōu)化自身產(chǎn)品，加強(qiáng)憂(yōu)患意識(shí)，強(qiáng)化企業(yè)文化及市場(chǎng)服務(wù)理念，只有做到穩(wěn)中求快、快中求精、精中求穩(wěn)，才能讓企業(yè)在競(jìng)爭(zhēng)日益激烈的泵閥行業(yè)大潮中求生存、謀發(fā)展。社會(huì)是個(gè)信息的時(shí)代，企業(yè)在產(chǎn)品上遇到競(jìng)爭(zhēng)對(duì)手在所難免，行業(yè)存在競(jìng)爭(zhēng)，對(duì)于一些企業(yè)來(lái)講反而是件好事。因?yàn)橛辛烁?jìng)爭(zhēng)，企業(yè)提高了產(chǎn)品質(zhì)量，提高了服務(wù)質(zhì)量，消費(fèi)者也用更少的錢(qián)獲得了更好或者更多的消費(fèi)和服務(wù)。市場(chǎng)是一個(gè)“篩子”，行業(yè)在發(fā)展進(jìn)步的同時(shí)。</p><p> 表2-7安全閥進(jìn)出口通徑mm公稱(chēng)通徑200進(jìn)口通徑200出口通徑微啟式05080全啟式5200250根據(jù)標(biāo)準(zhǔn)規(guī)定：碳素鋼和合金鋼制造的直接載荷式安全閥適用于PN≤32MPa、DN≤150mm的工作條件。主要用于水、蒸汽、氨、石油及油品等介質(zhì)。碳素鋼制的安全閥用于介質(zhì)溫度t≤450℃，合金鋼制的安全閥用于介質(zhì)溫度t≤600℃。安全閥應(yīng)有足夠的靈敏度，當(dāng)達(dá)到開(kāi)啟壓力時(shí)，應(yīng)無(wú)阻礙地開(kāi)啟；當(dāng)達(dá)到排放壓力時(shí)，閥瓣應(yīng)全部開(kāi)啟，并達(dá)到額定排量，當(dāng)壓力降到回座壓力時(shí)，閥門(mén)應(yīng)及時(shí)關(guān)閉，并保持密封。安全閥壓力應(yīng)符合表2-8的規(guī)定。表2-8安全閥的壓力規(guī)定MPa使用部位工作壓力ρ開(kāi)啟壓力ρa(bǔ)回座壓力ρh排放壓力ρv用途蒸汽鍋爐＞～＞ρ+ρ+ρρρρρρρhρhρhρhρvρvρv工作用控制用工作用控制用工作用控制用設(shè)備管路≤＞ρ+ρρρρhρhρ=ρvρv＞ρv工作用控制用當(dāng)裝設(shè)兩只安全閥時(shí)，其中：一個(gè)為控制安全閥；另一個(gè)為工作安全閥?？刂瓢踩y的開(kāi)啟壓力應(yīng)略低于工作安全閥的開(kāi)啟壓力，以避免兩個(gè)安全閥同時(shí)開(kāi)啟而使排氣量過(guò)多。由于科學(xué)技術(shù)的進(jìn)步，一些用于特殊環(huán)境、特殊工況條件的安全閥不斷出現(xiàn)。焊接球閥生產(chǎn)廠家焊接球閥廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="烏魯木齊黃銅閥門(mén)批發(fā),閥" src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864802158203/3440819.jpg"></div><p> 同時(shí)與閥門(mén)的壓力、溫度及介質(zhì)的濃度等諸因素有著一定內(nèi)在聯(lián)系。閥門(mén)的流道面積與流速、流量有著直接關(guān)系，而流速與流量是相互依存的兩個(gè)量。當(dāng)流量一定時(shí)，流速大，流道面積便可小些；流速小，流道面積就可以大些。反之，流道面積大，其流速小；流道面積小，其流速大。介質(zhì)的流速大，閥門(mén)通徑可以小些，但阻力損失較大，閥門(mén)易損壞。流速大，對(duì)易燃易爆介質(zhì)會(huì)產(chǎn)生靜電效應(yīng)，造成危險(xiǎn)；流速太小，效率低，不經(jīng)濟(jì)。對(duì)粘度大和易爆的介質(zhì)，應(yīng)取較小的流速。油及粘度大的液體隨粘度大小選擇流速，一般取～2m/s。一般情況***量是已知的，流速可由經(jīng)驗(yàn)確定。各種介質(zhì)常用流速見(jiàn)表2-2。通過(guò)流速和流量可以計(jì)算閥門(mén)的公稱(chēng)通徑。閥門(mén)通徑相同，其結(jié)構(gòu)型式不同，流體的阻力也不一樣。在相同條件下，閥門(mén)的阻力系數(shù)越大，流體通過(guò)閥門(mén)的流速、流量下降越多；閥門(mén)阻力系數(shù)越小，流體通過(guò)閥門(mén)的流速、流量下降越少。常見(jiàn)介質(zhì)的流速見(jiàn)表2-2。表2-2各種介質(zhì)常用的流速表液體名稱(chēng)使用條件流速（m/s）液體名稱(chēng)使用條件流速（m/s）飽和蒸汽DN＞200DN=200～100DN＜10030～4025～3515～30乙炔氣ρ＜（表壓）ρ＜（表壓）ρ＜。新疆緩閉止回閥生產(chǎn)廠家。烏魯木齊高溫閥門(mén)哪家好</p><p style="text-indent:25px">新疆遙控浮球閥生產(chǎn)廠家。烏魯木齊黃銅閥門(mén)批發(fā)</p><p> 應(yīng)先點(diǎn)焊，再將關(guān)閉件全開(kāi)，然后焊死。4、安裝螺口閥門(mén)時(shí)，應(yīng)將密封填料（線(xiàn)麻加鉛油或聚四氟乙烯生料帶），包在管子螺紋上，不要弄到閥門(mén)里，以免閥內(nèi)存積，影響介質(zhì)流通。5、對(duì)于閥門(mén)所連接的管路，一定要清掃干凈。可用壓縮空氣吹去泥砂、氧化鐵屑、焊渣等雜物。這些雜物，不但容易擦傷閥門(mén)的密封面，其中大顆粒雜物，還能堵死小閥門(mén)，使其失效。不銹鋼閥門(mén)適用介質(zhì)編輯不銹鋼閥門(mén)通常應(yīng)用于工作介質(zhì)具有一定腐蝕性的場(chǎng)合。任何一種閥用材料，耐工作介質(zhì)腐蝕的能力都是相對(duì)有限的，并受到許多因素的影響。如果在制造過(guò)程中采用的加工工藝與熱處理工藝得當(dāng)，進(jìn)而保證這種材料的耐腐蝕性能。至于在濃度>98%的濃硝酸介質(zhì)中，無(wú)論采用什么樣的熱處理工藝，這種鋼材都不具有耐腐蝕性能。因此，在根據(jù)工作介質(zhì)的性質(zhì)來(lái)選用閥門(mén)材料時(shí)，必須同時(shí)研究介質(zhì)的濃度、溫度以及材料的熱處理工藝等諸因素對(duì)耐腐蝕性能的影響。不銹鋼閥門(mén)已成為各行業(yè)領(lǐng)域必采購(gòu)的閥門(mén)產(chǎn)品，但國(guó)內(nèi)能達(dá)到國(guó)際標(biāo)準(zhǔn)的閥門(mén)廠家卻寥寥無(wú)幾，所以顧客在采購(gòu)不銹鋼閥門(mén)前一定要要求商家提供各種不銹鋼閥門(mén)的生產(chǎn)和出廠合格證，這樣可以減少買(mǎi)到不合格的產(chǎn)品。烏魯木齊黃銅閥門(mén)批發(fā)</p><p style="text-indent:25px">新疆遠(yuǎn)大通用閥門(mén)有限公司致力于機(jī)械及行業(yè)設(shè)備，是一家生產(chǎn)型公司。公司業(yè)務(wù)分為閥門(mén)等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶(hù)提供良好的產(chǎn)品和服務(wù)。公司秉持誠(chéng)信為本的經(jīng)營(yíng)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(hù)成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/2602515.html</p></div></div></div></div></div><div id="tro887a" class="page-right twoColRt"><div id="8dpmy8n" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="etq3ev3" class="recomPic likePro"><a href="http://m.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) 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