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id="ncume7a" 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>新疆消聲止回閥批發(fā),閥</p><p><span>***更新：</span>2021-01-07 15:11:38</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="aurov7s" 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: </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] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="pewif3r" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="laskrtf" class="box"><p><p> 減壓閥是將壓力高的介質(zhì)降為壓力低的介質(zhì)的設(shè)備，該閥的特點(diǎn)，新疆消聲止回閥批發(fā)，是在進(jìn)口壓力不斷變化的情況下，保持出口聽(tīng)壓力和溫度值在一定的范圍內(nèi)。安全閥用以防止鍋爐、壓力容器等設(shè)備或管道因超壓而發(fā)生損壞的閥門(mén)。當(dāng)壓力略高于正常工作壓力時(shí)，安全閥自動(dòng)開(kāi)啟，使壓力下降。當(dāng)壓力略低于正常工作壓力時(shí)，安全閥自動(dòng)關(guān)閉，停止排放流體并保持密封。泄壓閥主要是用在壓力過(guò)大的場(chǎng)合，當(dāng)壓力大于設(shè)定值時(shí)閥內(nèi)片被頂開(kāi)及時(shí)釋放壓力，壓力減小后恢復(fù)到原來(lái)的位置，和安全閥區(qū)別不大，泄壓閥多指用于液體的，安全閥多指用于氣體，蒸汽的。穩(wěn)壓閥是將一個(gè)區(qū)域內(nèi)的介質(zhì)保持在一定的壓力范圍的設(shè)備。和減壓閥的區(qū)別：減壓閥：無(wú)論進(jìn)口壓力如何變化，都把出口壓力減到額定值，起到減壓作用。穩(wěn)壓閥：無(wú)論下游壓力和需求量如何變化，都維持一個(gè)恒定的上游壓力。安全閥及減壓閥是兩種閥門(mén)類型，是**閥門(mén)。其中，安全閥屬于安全泄發(fā)裝置，是**閥門(mén)，只在工作壓力超過(guò)允許范圍時(shí)動(dòng)作，對(duì)系統(tǒng)起到保護(hù)作用。減壓閥屬于工藝閥門(mén)，新疆消聲止回閥批發(fā)，可使高壓物流減壓，新疆消聲止回閥批發(fā)，以滿足后系統(tǒng)對(duì)壓力的要求，其工作過(guò)程是連續(xù)的。鑄鋼球閥電話鑄鋼球閥的價(jià)格。新疆消聲止回閥批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆消聲止回閥批發(fā),閥" src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864807900391/6765207.jpg"></div><p> 縮口閘閥阻力系數(shù)大一些。截止閥的阻力系數(shù)比閘閥大得多，一般在4～7之間。Y型截止閥（直流式）阻力系數(shù)**小，在～2之間。鍛鋼截止閥阻力系數(shù)**大，甚至高達(dá)8。止回閥的阻力系數(shù)視結(jié)構(gòu)而定：旋啟式止回閥通常約為～2，其中多瓣旋啟式止回閥的阻力系數(shù)較大；升降式止回閥阻力系數(shù)**大，高達(dá)12。旋塞閥的阻力系數(shù)小，通常約為～。隔膜閥的阻力系數(shù)一般在。蝶閥的阻力系數(shù)小，一般在。球閥的阻力系數(shù)**小，一般在。上述閥門(mén)的阻力系數(shù)是閥門(mén)全開(kāi)狀態(tài)下的數(shù)值。閥門(mén)通徑的選用，應(yīng)考慮到閥門(mén)的加工精度和尺寸偏差，以及其它因素影響。閥門(mén)通徑應(yīng)有一定的富裕量，一般為15%。在實(shí)際的工作中，閥門(mén)通徑隨工藝管線的通徑而定。六、根據(jù)工況條件和工藝操作綜合確定閥門(mén)的結(jié)構(gòu)型式返回頁(yè)首1.工藝要求氨對(duì)銅有腐蝕作用，不能選用銅材質(zhì)制作的閥門(mén)。在介質(zhì)中含有氨的工藝流程中，截止閥的結(jié)構(gòu)與一般閥門(mén)不同，其密封面是用巴氏合金制作的。雙流向的管線應(yīng)選用無(wú)方向性的閥門(mén)。在煉油廠，重質(zhì)油管停止運(yùn)行后，要用蒸汽反向吹掃管線，以防重油凝固堵塞管線，因而不宜采用截止閥。因?yàn)榻橘|(zhì)反向流入時(shí)，容易沖蝕截止閥密封面，應(yīng)選用閘閥為佳。對(duì)某些有析晶或含有沉淀物的介質(zhì)。烏魯木齊手柄對(duì)夾蝶閥哪家好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="新疆消聲止回閥批發(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?。涣鞯烂娣e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使用條件流速（m/s）液體名稱使用條件流速（m/s）飽和蒸汽DN＞200DN=200～100DN＜10030～4025～3515～30乙炔氣ρ＜（表壓）ρ＜（表壓）ρ＜。</p><p> 能排除飽和水；但是體積比較大，較笨重。又由于顛簸搖擺的環(huán)境對(duì)其阻汽排水性能有相當(dāng)?shù)挠绊懀虼?，不能適應(yīng)火車、輪船及有較大震動(dòng)的裝置上使用。⑵熱靜力型蒸汽疏水閥這類疏水閥主要有蒸汽壓力式蒸汽疏水閥、雙金屬片式或熱彈性元件式蒸汽疏水閥、液體或固體膨脹式蒸汽疏水閥。這類疏水閥幾乎與機(jī)械型疏水閥同時(shí)出現(xiàn)，**初是金屬膨脹式蒸汽疏水閥，利用閥桿材料冷縮熱脹的物理性能和凝結(jié)水溫度的變化而實(shí)現(xiàn)阻汽排水作用。但是這種型式的蒸汽疏水閥不能適應(yīng)蒸汽壓力變化較大和凝結(jié)水量不穩(wěn)的場(chǎng)合，后來(lái)研制出利用液體膨脹的壓力平衡波紋管式蒸汽疏水閥。以上的問(wèn)題得到了初步解決。隨著材料科學(xué)技術(shù)的發(fā)展，雙金屬片得到了***應(yīng)用，研制出了雙金屬片式蒸汽疏水閥，它是利用雙金屬片受到溫度變化而產(chǎn)生的變形實(shí)現(xiàn)阻汽排水作用的。這種疏水閥體積小、重量輕，能排除大量空氣，但是成本高。⑶熱動(dòng)力型蒸汽疏水閥這類疏水閥有盤(pán)式蒸汽疏水閥、脈沖式蒸汽疏水閥、迷空式蒸汽疏水閥、孔板式蒸汽疏水閥。盤(pán)式蒸汽疏水閥是利用蒸汽的流速與凝結(jié)水流速的差別而實(shí)現(xiàn)阻汽排水動(dòng)作，這種蒸汽疏水閥體積小、重量輕、結(jié)構(gòu)簡(jiǎn)單，但排空氣性能較差。庫(kù)爾勒球型止回閥廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆消聲止回閥批發(fā),閥" src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864797988281/9849500.jpg"></div><p> 閥門(mén)是用來(lái)開(kāi)閉管路、控制流向、調(diào)節(jié)和控制輸送介質(zhì)的參數(shù)（溫度、壓力和流量）的管路附件。根據(jù)其功能，可分為關(guān)斷閥、止回閥、調(diào)節(jié)閥等。閥門(mén)是流體輸送系統(tǒng)中的控制部件，具有截止、調(diào)節(jié)、導(dǎo)流、防止逆流、穩(wěn)壓、分流或溢流泄壓等功能。用于流體控制系統(tǒng)的閥門(mén)，從簡(jiǎn)單的截止閥到極為復(fù)雜的自控系統(tǒng)中所用的各種閥門(mén)，其品種和規(guī)格相當(dāng)繁多。閥門(mén)可用于控制空氣、水、蒸汽、各種腐蝕性介質(zhì)、泥漿、油品、液態(tài)金屬和放射性介質(zhì)等各種類型流體的流動(dòng)。閥門(mén)根據(jù)材質(zhì)還分為鑄鐵閥門(mén)，鑄鋼閥門(mén)，不銹鋼閥門(mén)（201、304、316等），鉻鉬鋼閥門(mén)，鉻鉬釩鋼閥門(mén)，雙相鋼閥門(mén)，塑料閥門(mén)，非標(biāo)訂制閥門(mén)等。中文名閥門(mén)外文名valve應(yīng)用流體輸送，切斷，流通作用控制部件功能截止、導(dǎo)流、穩(wěn)壓、分流等材料鑄鋼、塑料、非標(biāo)訂制等材質(zhì)目錄1閥門(mén)簡(jiǎn)介2分類?按作用和用途?按主要參數(shù)3要求?安裝要求?裝配要求?驗(yàn)收要求?閥門(mén)規(guī)格要求?性能檢測(cè)要求?密封要求?其他要求4清洗步驟5日常保養(yǎng)6型號(hào)編制7連接方式?法蘭連接?對(duì)夾連接?對(duì)焊連接?螺紋連接?卡套連接?卡箍連接?內(nèi)自緊連接?相關(guān)配件8閥門(mén)維護(hù)保養(yǎng)9常見(jiàn)問(wèn)題10國(guó)內(nèi)現(xiàn)狀閥門(mén)閥門(mén)簡(jiǎn)介編輯閥門(mén)是在流體系統(tǒng)中。阿圖什絲扣閘閥廠家。新疆電動(dòng)閥門(mén)報(bào)價(jià)</p><p style="text-indent:25px">烏魯木齊黃銅絲扣排氣閥。新疆消聲止回閥批發(fā)</p><p> 通過(guò)控制盤(pán)管的過(guò)流時(shí)間控制末端空間的溫度。開(kāi)關(guān)式，分常開(kāi)、常關(guān)兩種。**大口徑為DN25，電壓為220V。采用螺紋連接。應(yīng)設(shè)置Y型過(guò)濾器和檢修截止閥。應(yīng)設(shè)置橡膠軟接或金屬軟管。應(yīng)有手動(dòng)開(kāi)關(guān)操作裝置。電動(dòng)兩通動(dòng)態(tài)平衡閥（一體閥）由動(dòng)態(tài)平衡閥和電動(dòng)兩通調(diào)節(jié)閥兩個(gè)功能，通過(guò)一個(gè)閥體實(shí)現(xiàn)。優(yōu)點(diǎn)是適用壓差范圍大，調(diào)節(jié)精度較高，體積小。缺點(diǎn)是造價(jià)較高。目前鑒于上述問(wèn)題，很多用戶采取了用自力式平衡閥串連電動(dòng)兩通調(diào)節(jié)閥的方式來(lái)實(shí)現(xiàn)一體閥的功能，效果很好，造價(jià)降低一半。風(fēng)盤(pán)用一體閥意義不大，且由于流量損失大，不經(jīng)濟(jì)。電動(dòng)三通閥分為分流與合流兩種。調(diào)節(jié)性電動(dòng)三通閥采用AC24V電源，接受并反饋0～10V或4～20mA控制信號(hào)，線性調(diào)節(jié)。開(kāi)關(guān)型驅(qū)動(dòng)電源為220V?？照{(diào)水系統(tǒng)輔助類閥門(mén)倒流防止器用于空調(diào)水補(bǔ)水部分?？梢試?yán)格防止倒流污染。安裝于飲用水和非飲用水之間。DN50以下采用全銅、不銹鋼螺紋連接，DN65及以上采用球墨鑄鐵閥體，法蘭連接。水錘吸納器由于系統(tǒng)壓力較高或流速較高，因此開(kāi)閥水錘和停泵水錘都較嚴(yán)重的場(chǎng)合，因此應(yīng)采用活塞式水錘吸納器。水錘吸納器一般安裝于水泵出口止回閥的下游。自動(dòng)脫氣機(jī)采用循環(huán)形式主動(dòng)去處掉絕大部分溶解在水中的空氣。新疆消聲止回閥批發(fā)</p><p style="text-indent:25px">新疆遠(yuǎn)大通用閥門(mén)有限公司是一家閥門(mén)的研發(fā)、銷售、維修；管網(wǎng)閥門(mén)集控系統(tǒng)的設(shè)計(jì)、安裝、調(diào)試。維修；管道配件、五金交電、標(biāo)準(zhǔn)件、密封件、液壓件、法蘭彎頭、水暖配件、消防器材、壓力容器、鍋爐及配件、電線電纜、電工電料、電動(dòng)工具、電子產(chǎn)品、化工產(chǎn)品、石油制品、防水防腐保溫材料、工程機(jī)械設(shè)備及配件、儀器儀表、機(jī)電設(shè)備、電腦及配件、辦公用品、勞保用品、農(nóng)齋產(chǎn)品、環(huán)保設(shè)備、新能源設(shè)備、裝飾裝潢材料銷售：貨物與技術(shù)的進(jìn)出口業(yè)務(wù)。(依法須經(jīng)批準(zhǔn)的項(xiàng)目，經(jīng)相關(guān)部門(mén)批準(zhǔn)后，方可開(kāi)展經(jīng)營(yíng)活動(dòng)）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)。遠(yuǎn)大通用閥門(mén)作為閥門(mén)的研發(fā)、銷售、維修；管網(wǎng)閥門(mén)集控系統(tǒng)的設(shè)計(jì)、安裝、調(diào)試。維修；管道配件、五金交電、標(biāo)準(zhǔn)件、密封件、液壓件、法蘭彎頭、水暖配件、消防器材、壓力容器、鍋爐及配件、電線電纜、電工電料、電動(dòng)工具、電子產(chǎn)品、化工產(chǎn)品、石油制品、防水防腐保溫材料、工程機(jī)械設(shè)備及配件、儀器儀表、機(jī)電設(shè)備、電腦及配件、辦公用品、勞保用品、農(nóng)齋產(chǎn)品、環(huán)保設(shè)備、新能源設(shè)備、裝飾裝潢材料銷售：貨物與技術(shù)的進(jìn)出口業(yè)務(wù)。(依法須經(jīng)批準(zhǔn)的項(xiàng)目，經(jīng)相關(guān)部門(mén)批準(zhǔn)后，方可開(kāi)展經(jīng)營(yíng)活動(dòng)）的企業(yè)之一，為客戶提供良好的閥門(mén)。遠(yuǎn)大通用閥門(mén)始終以本分踏實(shí)的精神和必勝的信念，影響并帶動(dòng)團(tuán)隊(duì)取得成功。遠(yuǎn)大通用閥門(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)著使遠(yuǎn)大通用閥門(mén)在行業(yè)的從容而自信。</p></p><br 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