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id="gldvsur" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864799892578/8112427.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="k2h7ogi" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864799892578/8112427.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="n88m3n7" 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>新疆供應(yīng)閥門生產(chǎn)商,閥</p><p><span>***更新：</span>2020-07-03 16:24:55</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="bah7ew3" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">新疆遠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: </span>0991-6877477</p><p><span>地址: </span>烏魯木齊市高新技術(shù)產(chǎn)業(yè)開發(fā)區(qū)（新市區(qū)）清水街213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="oh8mbda" class="page-proshow02"><p class="title">詳細說明</p><div id="rb82uhj" class="box"><p><p> 宜在波紋管減壓閥前加過濾器。在選用減壓閥時，應(yīng)注意不得超過減壓閥的減壓范圍。并保證在合理情況下使用。杠桿式減壓閥是采用重物或重力杠桿作敏感元件來帶動閥瓣運動的減壓閥。這種形式結(jié)構(gòu)簡單、耐用，但不精確。目前較少采用。⑵先導(dǎo)式先導(dǎo)式減壓閥是由主閥和導(dǎo)閥組成，出口壓力的變化通過導(dǎo)閥放大控制主閥動作的減壓閥。在此類閥中，導(dǎo)閥的作用是輔助控制主閥或者完全控制主閥。導(dǎo)閥本身可以是一個小型的直接作用式減壓閥。此類閥門精確的控制方式取決于它的特定結(jié)構(gòu)。而實質(zhì)上。導(dǎo)閥工作的目的是以維持預(yù)定壓力下的流量的方法來調(diào)節(jié)主閥的開啟量。先導(dǎo)式減壓閥的壓力控制精度非常精確，且結(jié)構(gòu)緊湊，對于功能相同的減壓閥來說，通常先導(dǎo)式比直接作用式結(jié)構(gòu)小得多，新疆供應(yīng)閥門生產(chǎn)商，新疆供應(yīng)閥門生產(chǎn)商。在這種形式中，導(dǎo)閥和主閥可以是整體的，也可以是適用于遠距離壓力信號控制的單獨的裝置，新疆供應(yīng)閥門生產(chǎn)商，它還能作遠距離開關(guān)控制，也就是由控制中心控制的成套系統(tǒng)中的部件。另外，通過安裝適當(dāng)型式的導(dǎo)閥能夠獲得由溫度直接控制的設(shè)備。由于先導(dǎo)式減壓閥結(jié)構(gòu)復(fù)雜，因此需要經(jīng)常保養(yǎng)及清潔的工作條件。清潔工作條件常在閥入口處裝過濾器。博樂銅桿閘閥廠家。。新疆供應(yīng)閥門生產(chǎn)商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆供應(yīng)閥門生產(chǎn)商,閥" src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864799892578/8112427.jpg"></div><p> 閥門按作用和用途（一）關(guān)斷閥這類閥門是起開閉作用的。常設(shè)于冷、熱源進、出口，設(shè)備進、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，利用流體自身的動能自行開啟，反向流動時自動關(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的地方。止回閥分旋啟式、升降式和對夾式三種。對于旋啟式止回閥，流體只能從左向右流動時，反向流動時自動關(guān)閉。對于升降式止回閥，流體從左向右流動時，閥芯抬起，形成通路，反向流動時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，普通閥門的開度在較大范圍內(nèi)變化時，其流量變化不大，而到某一開度時，流量急劇變化，即調(diào)節(jié)性能不佳。調(diào)節(jié)閥可以按照信號的方向和大小，改變閥芯行程來改變閥門的阻力數(shù)，從而達到調(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。烏魯木齊專業(yè)閥門公司昌吉止回閥廠家昌吉截止閥廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆供應(yīng)閥門生產(chǎn)商,閥" src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864797988281/9849500.jpg"></div><p> 脈沖式蒸汽疏水閥也具有體積小、重量輕的特點，但結(jié)構(gòu)復(fù)雜，制造精度要求高、價格貴。⑷疏水閥的選用由于各種型式的蒸汽疏水閥各有不同的優(yōu)缺點和不同的適用條件，因此多年以來各種型式的蒸汽疏水閥長期并存，應(yīng)用于各種工業(yè)管道中。在諸多型式的疏水閥中，必須正確地選擇適合某一系統(tǒng)中的疏水閥，因為這對系統(tǒng)的正常運行影響很大，選擇恰當(dāng)可提高熱效率和節(jié)省燃料。正確的選型應(yīng)按下列標準：①蒸汽疏水閥的公稱壓力及工作溫度應(yīng)大于或等于蒸汽管道及用汽設(shè)備的**高工作壓力及**高工作溫度。②蒸汽疏水閥必須區(qū)別類型，按其工作性能、條件和凝結(jié)水排放量進行選擇，不得只以蒸汽疏水閥的公稱通徑作為選擇依據(jù)。③在凝結(jié)水回收系統(tǒng)中，若利用工作背壓回收凝結(jié)水時，應(yīng)選用背壓率較高的蒸汽疏水閥（如機械型蒸汽疏水閥）。④當(dāng)用汽設(shè)備內(nèi)用汽不得積存凝結(jié)水時，應(yīng)選用能連續(xù)排出飽和凝結(jié)水的蒸汽疏水閥（如浮球式蒸汽疏水閥）。⑤在凝結(jié)水回收系統(tǒng)中，用汽設(shè)備用汽排出飽和凝結(jié)水，又用汽及時排除不凝結(jié)性氣體時，應(yīng)采用能飽和水的蒸汽疏水閥與排氣裝置并聯(lián)的疏水裝置或采用同時具有排水、排氣兩種功能的蒸汽疏水閥（如特經(jīng)理型蒸汽疏水閥）。⑥當(dāng)用汽設(shè)備工作壓力經(jīng)常波動時。</p><p> 用來控制流體的方向、壓力、流量的裝置，是使配管和設(shè)備內(nèi)的介質(zhì)（液體、氣體、粉末）流動或停止并能控制其流量的裝置。閥門是管路流體輸送系統(tǒng)中控制部件，用來改變通路斷面和介質(zhì)流動方向，具有導(dǎo)流、截止、節(jié)流、止回、分流或溢流卸壓等功能。用于流體控制的閥門，從簡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，其品種和規(guī)格繁多，閥門的公稱通徑從極微小的儀表閥大至通徑達10m的工業(yè)管路用閥?？捎糜诳刂扑?、蒸汽、油品、氣體、泥漿、各種腐蝕性介質(zhì)、液態(tài)金屬和放射性流體等各種類型流體地流動，閥門的工作壓力可以從的超高壓，工作溫度可以c-270℃的**溫到1430℃的高溫。閥門的控制可采用多種傳動方式，如手動、電動、液動、氣動、渦輪、電磁動、電磁液動、電液動、氣液動、正齒輪、傘齒輪驅(qū)動等；可以在壓力、溫度或其它形式傳感信號的作用下，按預(yù)定的要求動作，或者不依賴傳感信號而進行簡單的開啟或關(guān)閉，閥門依靠驅(qū)動或自動機構(gòu)使啟閉件作升降、滑移、旋擺或回轉(zhuǎn)運動，從而改變其流道面積的大小以實現(xiàn)其控制功能。閥門分類編輯閥門按作用和用途（一）關(guān)斷閥這類閥門是起開閉作用的。常設(shè)于冷、熱源進、出口，設(shè)備進、出口，管路分支線（包括立管）上。博樂絲扣閘閥廠家。。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆供應(yīng)閥門生產(chǎn)商,閥" src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864806953125/6397088.jpg"></div><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?？梢袁F(xiàn)場通過控制導(dǎo)閥調(diào)節(jié)**高壓差值，當(dāng)供回水壓差達到或超過設(shè)定值時，閥門主動打開，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。小開度工礦多，應(yīng)考慮汽蝕問題。無需電控、程控，全自力式，故障率低，維護簡單。缺點：控制精度較電動式低。電動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)動電源為AC24V，控制電源為0～10V或4～20mA，壓差控制器可采用機械顯示或數(shù)字顯示。當(dāng)旁通管道口徑≥250時，可以選AC220V，模擬量控制的電動蝶閥，其他不變。≤200孔徑時，盡量選擇等百分比的座閥閥體。自力式壓差控制閥通過控制供回水管之間的壓差來控制流量。優(yōu)點是調(diào)節(jié)簡單（通過調(diào)節(jié)彈簧壓縮量來調(diào)節(jié)壓差控制范圍），結(jié)構(gòu)簡單，方案成熟，故障率低，安裝方便，無需電控。缺點是調(diào)節(jié)壓差的精度較低，**好和末端的電動閥門聯(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。阿圖什臥式止回閥廠家。伊犁供應(yīng)閥門大全</p><p style="text-indent:25px">昌吉止回閥廠家昌吉截止閥廠家。新疆供應(yīng)閥門生產(chǎn)商</p><p> ⑵球墨鑄鐵閥門耐蝕性較強，能在一定濃度的***、硝酸、***、酸性鹽中工作。但是不耐氟酸、強堿、鹽酸和三氯化鐵熱溶液的腐蝕。使用時要避免驟熱、驟冷，否則會破裂。⑶鎳鑄鐵閥門耐堿性能比灰鑄鐵、球墨鑄鐵閥門強；用于稀***、稀鹽酸和苛性堿中，鎳鑄鐵是一種理想的閥用材料。2.碳素鋼閥門碳素鋼閥門的耐蝕性能與灰鑄鐵相近，稍遜于灰鑄鐵。3.不銹鋼閥門不銹鋼閥門耐大氣性優(yōu)良，能耐硝酸和其它氧化性介質(zhì)，也能耐堿、水、鹽、有機酸及其它有機化合物的腐蝕。但不耐***、鹽酸等非氧化性酸的腐蝕，也不耐干燥的氯化氫、氧化性的氯化物和草酸、乳酸等有機酸。含鉬2%～4%的不銹鋼，如Cr18Ni12Mo2Ti等，其耐蝕性能比鉻鎳不銹鋼更為優(yōu)越，它在非氧化性酸和熱的有機酸、氯化物中的耐酸性能比鉻鎳不銹鋼好，抗孔蝕性也好。含鈦或鈮的不銹鋼對晶間腐蝕有較強的抗力。含高鉻、高鎳的不銹鋼，其耐蝕性能比普通不銹鋼更高，可用于處理***、***、混酸、亞***、有機酸、堿、鹽溶液、硫化氫等，甚至可用于某些濃度下的高溫場合。但不耐濃或熱的鹽酸、濕的氟、氯、溴、碘、王水等的腐蝕。4.銅閥門銅閥門對水、海水、多種鹽溶液、有機物有良好的耐蝕性能。新疆供應(yīng)閥門生產(chǎn)商</p><p style="text-indent:25px">新疆遠大通用閥門有限公司注冊資金700-1000萬元，是一家擁有11~50人***員工的企業(yè)。公司業(yè)務(wù)涵蓋[ "閥門", "", "", "" ]等，價格合理，品質(zhì)有保證。公司秉持誠信為本的經(jīng)營理念，在機械及行業(yè)設(shè)備深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為**，發(fā)揮人才優(yōu)勢，打造機械及行業(yè)設(shè)備質(zhì)量品牌。公司自成立以來發(fā)展迅速，業(yè)務(wù)不斷發(fā)展壯大，年營業(yè)額度達到500-700萬元，未來我們將不斷進行創(chuàng)新和改進，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/482725.html</p></div></div></div></div></div><div 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