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clearfix"><div id="55bzxdj" class="twoCol"><div id="33zpfdz" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_jnsbrt/">節(jié)能設(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-jnsbrt_qtjnsbyx/">其他節(jié)能設(shè)備</a>?伊犁船用閥門電話新疆遠(yuǎn)大通用閥門供應(yīng)</p><div id="drxlrx5" class="leftbox clearfix"><h1>伊犁船用閥門電話新疆遠(yuǎn)大通用閥門供應(yīng)</h1><div id="f7n5jhl" class="proBig"><div id="drzfl7l" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864801464844/3391347.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="zdj3l55" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864801464844/3391347.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="5rnbfd7" 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>伊犁船用閥門電話,閥</p><p><span>***更新：</span>2020-10-11 11:04:17</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="dpfvlpn" 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="h5jdrnt" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ptjhv3p" class="box"><p><p> 彈簧直接載荷式安全閥有封閉式和不封閉式兩種。一般易燃、易爆或0介質(zhì)選用封閉式。蒸汽或惰性氣體等可選用不封閉式。彈簧直接載荷式安全閥有的帶扳手，有的不帶扳手。扳手的作用是檢查閥瓣的靈敏度。⑶先導(dǎo)式安全閥。是一種依靠從導(dǎo)閥排出介質(zhì)來驅(qū)動(dòng)或控制的安全閥，該導(dǎo)閥本身應(yīng)是符合標(biāo)準(zhǔn)要求的直接載荷式安全閥。由于先導(dǎo)式安全閥的主閥通常利用工作介質(zhì)壓力加載，其載荷大小不受限制。因而可用于高壓，伊犁船用閥門電話、大口徑的場(chǎng)合。同時(shí)，因其主閥可設(shè)計(jì)成依靠工作介質(zhì)壓力密封的形式，或者可以對(duì)閥瓣施加直接載荷式安全閥大得多的載荷，伊犁船用閥門電話，因而主閥的密封性容易得到保證。此外，伊犁船用閥門電話，這類安全閥的動(dòng)作可以較少受背壓變化的影響，但是先導(dǎo)式安全閥的可靠性同主閥和導(dǎo)閥兩者有關(guān)，而且結(jié)構(gòu)比較復(fù)雜，為了提高可靠性，規(guī)范往往要求采用多重先導(dǎo)控制管路。這樣就更增加了整個(gè)保護(hù)系統(tǒng)的復(fù)雜程度?；谏鲜鲈颍葘?dǎo)式安全閥與彈簧直接載荷式安全閥無論在流程工業(yè)還是在電力工業(yè)中都有***的應(yīng)用，并各自發(fā)展、共同構(gòu)成了安全閥結(jié)構(gòu)發(fā)展的主流。⑷安全閥的選用要求。選用安全閥時(shí)，通常由操作壓力決定安全閥的公稱壓力，由操作溫度決定安全閥的使用溫度范圍。新疆遙控浮球閥生產(chǎn)廠家。伊犁船用閥門電話</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="伊犁船用閥門電話,閥" src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864801464844/3391347.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)我國有關(guān)部門統(tǒng)計(jì)。目前全國蒸汽疏水閥擁有量約500萬臺(tái)。大約有80%的產(chǎn)品達(dá)不到現(xiàn)行國家標(biāo)準(zhǔn)漏汽量小于3%的要求。每年將損失1500萬噸標(biāo)煤。因此，要國家不同工況條件選擇合適的疏水閥。我國常用的疏水閥性能見表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。伊犁進(jìn)口閥門公司新疆泄壓持壓閥生產(chǎn)廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="伊犁船用閥門電話,閥" src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864807900391/6765207.jpg"></div><p> 表2-11閘閥參數(shù)名稱型號(hào)公稱壓力PN/MPa適用介質(zhì)適用溫度≤/℃公稱通徑DN/mm楔式雙閘板閘閥Z42W-1煤氣100300～500傘齒輪傳動(dòng)楔式雙閘板閘閥Z542W-1600～1000電動(dòng)楔式雙閘板閘閥Z942W-1600～1400電動(dòng)暗桿楔式雙閘板閘閥水1600，1800電動(dòng)暗桿楔式閘閥Z945T-61200，1400楔式閘閥Z41T-10蒸汽、水20050～450楔式閘閥Z41W-10油品20050～450電動(dòng)楔式閘閥Z941T-10蒸汽、水200100～450平行式雙閘板閘閥Z44T-1050～400平行式雙閘板閘閥Z44W-10油品10050～400液動(dòng)楔式閘閥Z741T-10水100～600電動(dòng)平行式雙閘板閘閥Z944T-10蒸汽、水200100～400電動(dòng)平行式雙閘板閘閥Z944W-10油品100100～400暗桿楔式閘閥Z45T-10水50～700暗桿楔式閘閥Z45W-10油品50～450正齒輪傳動(dòng)暗桿楔式閘閥Z455T-10水800，900，1000電動(dòng)暗桿楔式閘閥Z945T-10水100～1000電動(dòng)暗桿楔式閘閥Z945W-10油品100450楔式閘閥Z40H-16C油品、蒸汽、水350200～400電動(dòng)楔式閘閥Z940H-16C200～400氣動(dòng)楔式閘閥Z640H-16C200～500楔式閘閥Z40H-16Q65～200電動(dòng)楔式閘閥Z940H-16Q65～200楔式閘閥Z40W-16P硝酸類100200，250，300楔式閘閥Z40W-16I醋酸類200，250。</p><p> 在流體管道系統(tǒng)中閥門是控制元件，其主要作用是隔離設(shè)備和管道系統(tǒng)、調(diào)節(jié)流量、防止回流、調(diào)節(jié)和排泄壓力。由于管道系統(tǒng)選擇**適合的閥門顯得非常重要，所以，了解閥門的特性及選擇閥門的步驟和依據(jù)也變得至關(guān)重要起來。閥門承壓件材質(zhì)鑄銅、鑄鐵、球墨鑄鐵、高硅鑄鐵、鑄鋼、鍛鋼、高（低）合金鋼、不銹耐酸鋼、哈氏合金、因科鎳爾、蒙乃爾合金、雙相不銹鋼、鈦合金等。并且能夠生產(chǎn)各種電動(dòng)、氣動(dòng)、液動(dòng)閥門驅(qū)動(dòng)裝置。面對(duì)如此眾多的閥門品種和復(fù)雜的各種工況，要選擇管道系統(tǒng)**適合安裝的閥門產(chǎn)品，首先應(yīng)了解閥門的特性；其次應(yīng)掌握選擇閥門的步驟和依據(jù)；再者應(yīng)遵循選擇閥門的原則。閥門的特性一般有兩種，使用特性和結(jié)構(gòu)特性。1、使用特性：它確定了閥門的主要使用性能和使用范圍，屬于閥門使用特性的有：閥門的類別(閉路閥門、調(diào)節(jié)閥門、安全閥門等)；產(chǎn)品類型(閘閥、截止閥、蝶閥、球閥等)；閥門主要零件(閥體、閥蓋、閥桿、閥瓣、密封面)的材料；閥門傳動(dòng)方式等。2、結(jié)構(gòu)特性：它確定了閥門的安裝、維修、保養(yǎng)等方法的一些結(jié)構(gòu)特性，屬于結(jié)構(gòu)特性的有：閥門的結(jié)構(gòu)長度和總體高度、與管道的連接形式(法蘭連接、螺紋連接、夾箍連接、外螺紋連接、焊接端連接等)。阿克蘇市電動(dòng)球閥閥門哪家好。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="伊犁船用閥門電話,閥" src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864797382813/832833.jpg"></div><p> 1.止回閥的選用止回閥的作用是只允許介質(zhì)向一個(gè)方向流動(dòng)，而且阻止反方向流動(dòng)。常用的止回閥分升降式和旋啟式兩種（見圖1-28～圖1-32）。在高壓和小口徑的設(shè)備或管道上，通常選用升降式止回閥。要求壓力降小的管道，不宜選用升降式止回閥，因其流阻大，而應(yīng)選用蝶式止回閥或旋啟式止回閥。在壓力波動(dòng)大和有特殊要求的管道上。為了防止閥瓣產(chǎn)生水錘而損壞，應(yīng)選用有緩沖裝置的旋啟式止回閥?？趶捷^大時(shí)，選用多瓣旋啟式止回閥。在鍋爐給水泵的出口處，應(yīng)選用**的空排止回閥，以防止介質(zhì)倒流、提高泵的效率。用于水泵吸入管底部的止回閥應(yīng)選用底閥。普通的旋啟式止回閥或升降式止回閥應(yīng)盡量避免口徑過大。為了以**小的流速使止回閥瓣全開或開到合適位置，在某些使用情況下，安裝止回閥的口徑必須比相應(yīng)的管子的口徑要小一些。為了滿足各種用途的需要，止回閥也有多種多樣，如：球形止回閥。螺紋升降式截止止回閥、工作無沖擊的旋啟式止回閥、斜瓣止回閥、圓錐隔膜式止回閥等。根據(jù)介質(zhì)的不同，閥瓣可以全部用金屬制作，也可在金屬上鑲嵌皮革、橡膠、或者采用合成覆蓋面、熱噴涂其他合金材料。2.減壓閥的選用減壓閥是通過啟閉件的節(jié)流，將進(jìn)口壓力降至某一個(gè)需要的出口壓力。阿圖什黃銅絲扣截止閥的價(jià)格。烏魯木齊法蘭閥門報(bào)價(jià)</p><p style="text-indent:25px">烏魯木齊減壓穩(wěn)壓閥批發(fā)。伊犁船用閥門電話</p><p> 應(yīng)根據(jù)其它要求，需要球閥、旋塞閥、蝶閥、快開閘閥等。閘閥和截止閥是閥門中使用量**大的兩類閥門。選用時(shí)，應(yīng)綜合考慮。閘閥流阻小，輸送介質(zhì)的能耗少，但維修困難；截止閥結(jié)簡單，維修方便，但流阻較大。從維修角度分析，截止閥的維修要比閘閥方便；水和蒸汽在截止閥中，壓力降不大，因而截止閥在水、汽之類介質(zhì)管道上得到普遍的使用。但在石油產(chǎn)品等粘度較大的介質(zhì)中，雖然閘閥維修困難，仍然被大量采用。在焊接連接的管道中，應(yīng)盡量選用焊接連接的截止閥，不宜選用焊接連接的閘閥。因?yàn)樵诠艿郎闲蘩黹l閥的密封面比修理截止閥的密封面困難得多，而且閘閥在溫度變化大的情況下閘板與閥座容易卡死。七、驅(qū)動(dòng)閥門的選用返回頁首作為管線閉路裝置的閘閥、截止閥、球閥、蝶閥、旋塞閥、節(jié)流閥、隔膜閥等閥門被***使用，其中閘閥、截止閥用量**大。***章第六節(jié)中較系統(tǒng)敘述了閥門的名詞術(shù)語、結(jié)構(gòu)形式、適用范圍等，可作為閥門類別、型號(hào)的選定依據(jù)。當(dāng)閥門的類別、型號(hào)確定之后，隨之確定閥門的殼體材料、密封面材料、適用溫度、適用介質(zhì)、公稱通徑等。因情況下可按下列步驟進(jìn)行。1.閥門選用步驟⑴根據(jù)介質(zhì)特性、工作壓力和溫度。伊犁船用閥門電話</p><p style="text-indent:25px">新疆遠(yuǎn)大通用閥門有限公司致力于機(jī)械及行業(yè)設(shè)備，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。遠(yuǎn)大通用閥門深耕行業(yè)多年，始終以客戶的需求為向?qū)В瑸榭蛻籼峁?**的閥門，，，。遠(yuǎn)大通用閥門始終以本分踏實(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)大通用閥門始終關(guān)注機(jī)械及行業(yè)設(shè)備行業(yè)。滿足市場(chǎng)需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來源地址: 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