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src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864797236328/4037437.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="22esy00" 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>新疆旋啟式止回閥廠家,閥</p><p><span>***更新：</span>2020-10-25 12:19:16</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="0wswukq" 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="umusigm" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="skiomky" class="box"><p><p> 由計(jì)算出的安全閥的定壓值決定彈簧或杠桿的調(diào)壓范圍，根據(jù)使用介質(zhì)決定安全閥的材料和結(jié)構(gòu)形式，根據(jù)安全閥的排放量計(jì)算出安全閥的噴嘴截面積或噴嘴直徑，以選取安全閥型號(hào)和個(gè)數(shù)。彈簧直接載荷式安全閥的工作壓力等級(jí)如表2-5所示，共有五種工作壓力級(jí)。選擇時(shí)，除注明產(chǎn)品型號(hào)、名稱、介質(zhì)、溫度外，還應(yīng)注明彈簧的壓力級(jí)別。表2-5彈簧安全閥工作壓力級(jí)公稱壓力PN/MPa工作壓力/MPaρⅠρⅡρⅢρⅣρⅤ＞～＞～＞16～20＞～＞～＞20～25＞～＞～＞～＞～＞～＞～＞～＞22～25＞～＞～＞～＞～＞～＞～＞10～13＞25～29＞～＞～＞～＞～＞～＞～10＞13～16＞29～32安全閥的進(jìn)口和出口分別處于高壓和低壓兩側(cè)，所以連接法蘭也相應(yīng)采用不同的壓力等級(jí)，如表2-6所示。表2-6安全閥進(jìn)出口法蘭壓力級(jí)MPa安全閥公稱壓力進(jìn)口法蘭壓力級(jí)出口法蘭壓力級(jí)當(dāng)介質(zhì)經(jīng)由安全閥排放時(shí)，其壓力降低，新疆旋啟式止回閥廠家，體積膨脹，流速增加，故安全閥的出口通徑大于進(jìn)口通徑。對(duì)于微啟式安全閥，其出口通徑可等于進(jìn)口通徑，這是因其排量小，又常用于液體介質(zhì)。而全啟式安全閥的排量大，多用于氣體介質(zhì)，新疆旋啟式止回閥廠家，故其出口通徑一般比公稱通徑大一級(jí)，新疆旋啟式止回閥廠家。進(jìn)出口通徑按表2-7選用。阿勒泰暗桿軟密封閘閥的價(jià)格。新疆旋啟式止回閥廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆旋啟式止回閥廠家,閥" src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864797236328/4037437.jpg"></div><p> 也可用作介質(zhì)的換向分流。4.帶有懸浮顆粒的介質(zhì)用閥門如果介質(zhì)帶有懸浮顆粒，較適于采用其啟閉件沿密封面的滑動(dòng)帶有擦拭作用的閥門。如平板閘閥。二、根據(jù)連接形式選用閥門返回頁(yè)首閥門與管路的連接形式有多種，其中**主要的螺紋、法蘭及焊接連接。1.螺紋連接這種連接通常是將閥門進(jìn)出口端部加工成錐管或直管螺紋，使之旋入錐管的螺紋接頭或管道上。由于這種連接可能出現(xiàn)較大的泄漏溝道，故可用密封劑、密封膠帶或填料來(lái)堵塞這些溝道。如果閥體的材料是可以焊接的，螺紋連接后還可進(jìn)行密封焊。如果連接部件的材料是允許焊接，但膨脹系數(shù)差異很大，或者工作溫度的變化幅度較大，螺紋連接部必須*密封焊，螺紋連接的閥門主要是公稱通徑在50mm以下的閥門。如果通徑尺寸過(guò)大，連接部的安裝和密封十分困難。為了便于安裝和拆卸螺紋連接的閥門，在管路系統(tǒng)的適當(dāng)位置可用管接頭。公稱通徑在50mm以下的閥門可使用管套節(jié)作為管接頭，管套節(jié)的螺紋將連接的兩部連在一起。2.法蘭連接法蘭連接的閥門，其安裝和拆卸都比較方便，但是比螺紋連接的笨重，相應(yīng)價(jià)格也高。故可適用于各種通徑和壓力的管道連接。但是，當(dāng)溫度超過(guò)350℃時(shí)，由于螺栓、墊片和法蘭蠕變松弛。烏魯木齊黃銅絲扣截止閥報(bào)價(jià)新疆遙控浮球閥生產(chǎn)廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆旋啟式止回閥廠家,閥" src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864797431641/5717140.jpg"></div><p> 表壓）3～44～85過(guò)熱蒸汽DN＞200DN=200～100DN＜10040～6030～5020～40氯氣體液體10～25氯化氫氣體液體20低壓蒸汽ρ＜（絕壓）15～20中壓蒸汽Ρ=～（絕壓）20～40液氨真空Ρ≤（表壓）Ρ≤（表壓）～～～高壓蒸汽Ρ=～（絕壓）40～60壓縮氣體真空Ρ≤（表壓）Ρ=～（表壓）Ρ=～（表壓）Ρ=～（表壓）Ρ=～（表壓）Ρ=～（表壓）5～108～1210～2010～158～123～6～3氫氧化鈉濃度0～30%濃度30%～505濃度50%～73%2***濃度88%～93%濃度93%～**鹽酸氧氣Ρ=0～（表壓）Ρ=～（表壓）Ρ=～（表壓）Ρ=～（表壓）Ρ=～（表壓）5～107～84～64～53～4水及粘度相似液體Ρ=～（表壓）Ρ≤（表壓）Ρ≤）Ρ≤20～30（表壓）熱網(wǎng)循環(huán)水、冷卻水壓力回水無(wú)壓回水～2～32～32～～1～2～煤氣～15半水煤氣Ρ=～（表壓）10～15天然氣30自來(lái)水主管Ρ=（表壓）支管Ρ=（表壓）～1～氮?dú)猞?5～10（絕壓）15～25氨氣真空Ρ＜（表壓）Ρ＜（表壓）Ρ≤2（表壓）15～258～1510～203～8鍋爐給水＞3蒸汽冷凝水～冷凝水自流～過(guò)熱水2乙炔水305～6海水、微堿水Ρ＜（表壓）～注：DN值的單位為：mm；Ρ值的單位為：MPa。閘閥的阻力系數(shù)小，*在～、；口徑大的閘閥，阻力系數(shù)為～。</p><p> 閥門按作用和用途（一）關(guān)斷閥這類閥門是起開(kāi)閉作用的。常設(shè)于冷、熱源進(jìn)、出口，設(shè)備進(jìn)、出口，管路分支線（包括立管）上，也可用作放水閥和放氣閥。常見(jiàn)的關(guān)斷閥有閘閥、截止閥、球閥和蝶閥等。閘閥可分為明桿和暗桿、單閘板與雙閘板、楔形閘板與平行閘板等。[1]（二）止回閥這類閥門用于防止介質(zhì)倒流，利用流體自身的動(dòng)能自行開(kāi)啟，反向流動(dòng)時(shí)自動(dòng)關(guān)閉。常設(shè)于水泵的出口、疏水器出口以及其他不允許流體反向流動(dòng)的地方。止回閥分旋啟式、升降式和對(duì)夾式三種。對(duì)于旋啟式止回閥，流體只能從左向右流動(dòng)時(shí)，反向流動(dòng)時(shí)自動(dòng)關(guān)閉。對(duì)于升降式止回閥，流體從左向右流動(dòng)時(shí)，閥芯抬起，形成通路，反向流動(dòng)時(shí)閥芯被壓緊到閥座上而被關(guān)閉。[1]（三）調(diào)節(jié)閥閥門前后壓差一定，普通閥門的開(kāi)度在較大范圍內(nèi)變化時(shí)，其流量變化不大，而到某一開(kāi)度時(shí)，流量急劇變化，即調(diào)節(jié)性能不佳。調(diào)節(jié)閥可以按照信號(hào)的方向和大小，改變閥芯行程來(lái)改變閥門的阻力數(shù)，從而達(dá)到調(diào)節(jié)流量目的的閥門。[1]（四）真空類真空類包括真空球閥、真空擋板閥、真空充氣閥、氣動(dòng)真空閥等。（五）特殊用途類特殊用途類包括清管閥、放空閥、排污閥、排氣閥、過(guò)濾器等。排氣閥是管道系統(tǒng)中必不可少的輔助元件。烏魯木齊泄壓持壓閥廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆旋啟式止回閥廠家,閥" src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864797382813/832833.jpg"></div><p> 閘閥在養(yǎng)護(hù)時(shí)則必須處于關(guān)閉狀態(tài)，確保潤(rùn)滑脂沿密封圈充滿密封槽溝，如果開(kāi)位。密封脂則直接掉入流道或閥腔，造成浪費(fèi)。第四、閥門注脂時(shí)，常忽略注脂效果問(wèn)題。注脂操作中壓力、注脂量、開(kāi)關(guān)位都正常。但為確保閥門注脂效果，有時(shí)需開(kāi)啟或關(guān)閉閥門，對(duì)潤(rùn)滑效果進(jìn)行檢查，確認(rèn)閥門閥球或閘板表面潤(rùn)滑均勻。第五、注脂時(shí)，要注意閥體排污和絲堵泄壓?jiǎn)栴}。閥門打壓試驗(yàn)后，密封腔閥腔內(nèi)氣體和水分因環(huán)境溫度升高而升壓，注脂時(shí)要先進(jìn)行排污泄壓，以利于注脂工作的順利進(jìn)行。注脂后密封腔內(nèi)的空氣和水分被充分置換出來(lái)。及時(shí)泄掉閥腔壓力，也保障了閥門使用安全。注脂結(jié)束后，一定要擰緊排污和泄壓絲堵，以防意外發(fā)生。第六、注脂時(shí)，要注意出脂均勻的問(wèn)題。正常注脂時(shí)，距離注脂口**近的出脂孔先出脂，然后到低點(diǎn)，**后是高點(diǎn)，逐次出脂。如果不按規(guī)律或不出脂，證明存在堵塞，及時(shí)進(jìn)行清通處理。第七、注脂時(shí)也要觀察閥門通徑與密封圈座平齊問(wèn)題。例如球閥，如果存在開(kāi)位過(guò)盈，可向里調(diào)整開(kāi)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(kāi)或關(guān)一方位置，要整體考慮。如果開(kāi)位平齊，關(guān)不到位，會(huì)造成閥門關(guān)不嚴(yán)。同理，調(diào)整關(guān)到位，也要考慮開(kāi)位相應(yīng)的調(diào)整。烏魯木齊旋塞閥生產(chǎn)廠家。新疆減壓穩(wěn)壓閥價(jià)格</p><p style="text-indent:25px">阿克蘇市電動(dòng)球閥閥門生產(chǎn)商。新疆旋啟式止回閥廠家</p><p> 自力式壓差旁通閥閥控制供水總管路和回水總管路之間的**高壓差。可以現(xiàn)場(chǎng)通過(guò)控制導(dǎo)閥調(diào)節(jié)**高壓差值，當(dāng)供回水壓差達(dá)到或超過(guò)設(shè)定值時(shí)，閥門主動(dòng)打開(kāi)，由供水管（分水器）直接泄壓到回水管（或集水器），前后應(yīng)設(shè)置檢修用關(guān)斷閥門。小開(kāi)度工礦多，應(yīng)考慮汽蝕問(wèn)題。無(wú)需電控、程控，全自力式，故障率低，維護(hù)簡(jiǎn)單。缺點(diǎn)：控制精度較電動(dòng)式低。電動(dòng)壓差旁通閥安裝于分集水器之間，設(shè)定并控制供回水之間的壓差，前后應(yīng)設(shè)檢修用關(guān)斷閥門。由電動(dòng)兩通閥、壓差變送器、壓差控制器三部分組成，或壓差傳感控制器，也可以置于大閉環(huán)**控制下。驅(qū)動(dòng)電源為AC24V，控制電源為0～10V或4～20mA，壓差控制器可采用機(jī)械顯示或數(shù)字顯示。當(dāng)旁通管道口徑≥250時(shí)，可以選AC220V，模擬量控制的電動(dòng)蝶閥，其他不變。≤200孔徑時(shí)，盡量選擇等百分比的座閥閥體。自力式壓差控制閥通過(guò)控制供回水管之間的壓差來(lái)控制流量。優(yōu)點(diǎn)是調(diào)節(jié)簡(jiǎn)單（通過(guò)調(diào)節(jié)彈簧壓縮量來(lái)調(diào)節(jié)壓差控制范圍），結(jié)構(gòu)簡(jiǎn)單，方案成熟，故障率低，安裝方便，無(wú)需電控。缺點(diǎn)是調(diào)節(jié)壓差的精度較低，**好和末端的電動(dòng)閥門聯(lián)合使用。通常安裝于回水管路上。自力式壓差平衡閥不具備關(guān)斷功能，根據(jù)需要，應(yīng)另設(shè)關(guān)斷閥門。新疆旋啟式止回閥廠家</p><p style="text-indent:25px">新疆遠(yuǎn)大通用閥門有限公司總部位于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)，是一家閥門的研發(fā)、銷售、維修；管網(wǎng)閥門集控系統(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)部門批準(zhǔn)后，方可開(kāi)展經(jīng)營(yíng)活動(dòng)）的公司。遠(yuǎn)大通用閥門作為閥門的研發(fā)、銷售、維修；管網(wǎng)閥門集控系統(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，，，。遠(yuǎn)大通用閥門繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長(zhǎng)，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。遠(yuǎn)大通用閥門創(chuàng)始人武玉玲，始終關(guān)注客戶，創(chuàng)新科技，竭誠(chéng)為客戶提供良好的服務(wù)。</p></p><br 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