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href="http://www.cdcfah.com/cp/third-jnsbrt_qtjnsbyx/">其他節(jié)能設備</a>?新疆絲扣球閥報價新疆遠大通用閥門供應</p><div id="hg8nceq" class="leftbox clearfix"><h1>新疆絲扣球閥報價新疆遠大通用閥門供應</h1><div id="sgsugx8" class="proBig"><div id="triprdp" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864802158203/3440819.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="utvcjvh" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864802158203/3440819.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="sr38cjq" 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)品關鍵詞：</span>新疆絲扣球閥報價,閥</p><p><span>***更新：</span>2021-01-07 17:15:06</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="wlnpwie" 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產(chǎn)業(yè)開發(fā)區(qū)（新市區(qū)）清水街213號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="cg2e3tf" class="page-proshow02"><p class="title">詳細說明</p><div id="oyvs2xe" class="box"><p><p> 應根據(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，應綜合考慮。閘閥流阻小，輸送介質(zhì)的能耗少，新疆絲扣球閥報價，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，新疆絲扣球閥報價。在焊接連接的管道中，應盡量選用焊接連接的截止閥，不宜選用焊接連接的閘閥。因為在管道上修理閘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語、結(jié)構形式、適用范圍等，可作為閥門類別、型號的選定依據(jù)。當閥門的類別，新疆絲扣球閥報價、型號確定之后，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行。1.閥門選用步驟⑴根據(jù)介質(zhì)特性、工作壓力和溫度。阿圖什閘閥廠家阿克蘇球型止回閥廠家。新疆絲扣球閥報價</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆絲扣球閥報價,閥" src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864802158203/3440819.jpg"></div><p> 閥門用于管路系統(tǒng)中，處理液體之控制裝置，選擇閥的第一步驟是必須了解各種閥的功能與作用。按閥門的功能分類1）切斷用：用來切斷〔或接通）管路中的介質(zhì)。如閘閥、截止閥、球閥、旋塞閥、蝶閥等。2）止回用：用來防止介質(zhì)倒流。如止回閥。3）調(diào)節(jié)用：用來調(diào)節(jié)管路中介質(zhì)的壓力和流量。如調(diào)節(jié)閥、減壓閥、節(jié)流閥、蝶閥、V形開口球閥、平衡閥等。4）分配用：用來改變管路中介質(zhì)流動的方向，起分配介質(zhì)的作用。如分配閥、三通或四通旋塞閥、三通或四通球閥等。5）安全用：用于超壓安全保護，排放多余介質(zhì)，防止壓力超過規(guī)定數(shù)值。如安全閥、滋流閥等。6）其他特殊用途：如蒸汽疏水閥、空氣疏水閥、排污閥、放空閣、呼吸閥、排渣閥、溫度調(diào)節(jié)閥等。閥門的基本結(jié)構有如下幾種類型空調(diào)水的水質(zhì)1、供暖水質(zhì)二次水PH值9～12，溫度為40～80℃；壓力一般≤。2、空調(diào)冷卻水水質(zhì)乙二醇等，溫度為－6℃～37℃；壓力一般≤?？照{(diào)系統(tǒng)閥門的材質(zhì)1、閥體分為球墨鑄鐵、鑄銅合金、不銹鋼等，一般DN50及以上采用球墨鑄鐵，DN50及以下采用鑄造同合金（不建議采用鑄鋼）；球墨鑄鐵一般為QT500－7或QT450－10；同合金為ZCuAl9Mn2，含銅量不得低于59％。新疆法蘭閥門價格烏魯木齊消聲止回閥廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆絲扣球閥報價,閥" src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864801250000/1537013.jpg"></div><p>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；閥門傳動方式等。2、結(jié)構特性：它確定了閥門的安裝、維修、保養(yǎng)等方法的一些結(jié)構特性，屬于結(jié)構特性的有：閥門的結(jié)構長度和總體高度、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)；密封面的形式(鑲?cè)?、螺紋圈、堆焊、噴焊、閥體本體)；閥桿結(jié)構形式(旋轉(zhuǎn)桿、升降桿)等。選擇閥門的步驟和依據(jù)大體如下：一、選擇步驟1、明確閥門在設備或裝置中的用途，確定閥門的工作條件：適用介質(zhì)、工作壓力、工作溫度等等。2、確定與閥門連接管道的公稱通徑和連接方式：法蘭、螺紋、焊接等。3、確定操作閥門的方式：手動、電動、電磁、氣動或液動、電氣聯(lián)動或電液聯(lián)動等。4、根據(jù)管線輸送的介質(zhì)、工作壓力、工作溫度確定所選閥門的殼體和內(nèi)件的材料：灰鑄鐵、可鍛鑄鐵、球墨鑄鐵、碳素鋼、合金鋼、不銹耐酸鋼、銅合金等。5、選擇閥門的種類：閉路閥門、調(diào)節(jié)閥門、安全閥門等。</p><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8。止回閥的阻力系數(shù)視結(jié)構而定：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。上述閥門的阻力系數(shù)是閥門全開狀態(tài)下的數(shù)值。閥門通徑的選用，應考慮到閥門的加工精度和尺寸偏差，以及其它因素影響。閥門通徑應有一定的富裕量，一般為15%。在實際的工作中，閥門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的結(jié)構型式返回頁首1.工藝要求氨對銅有腐蝕作用，不能選用銅材質(zhì)制作的閥門。在介質(zhì)中含有氨的工藝流程中，截止閥的結(jié)構與一般閥門不同，其密封面是用巴氏合金制作的。雙流向的管線應選用無方向性的閥門。在煉油廠，重質(zhì)油管停止運行后，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。因為介質(zhì)反向流入時，容易沖蝕截止閥密封面，應選用閘閥為佳。對某些有析晶或含有沉淀物的介質(zhì)。阿圖什止回閥廠家。。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆絲扣球閥報價,閥" src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864799570313/5526304.jpg"></div><p> 密封面的形式(鑲?cè)?、螺紋圈、堆焊、噴焊、閥體本體)；閥桿結(jié)構形式(旋轉(zhuǎn)桿、升降桿)等。選擇閥門的步驟和依據(jù)大體如下：一、選擇步驟1、明確閥門在設備或裝置中的用途，確定閥門的工作條件：適用介質(zhì)、工作壓力、工作溫度等等。2、確定與閥門連接管道的公稱通徑和連接方式：法蘭、螺紋、焊接等。3、確定操作閥門的方式：手動、電動、電磁、氣動或液動、電氣聯(lián)動或電液聯(lián)動等。4、根據(jù)管線輸送的介質(zhì)、工作壓力、工作溫度確定所選閥門的殼體和內(nèi)件的材料：灰鑄鐵、可鍛鑄鐵、球墨鑄鐵、碳素鋼、合金鋼、不銹耐酸鋼、銅合金等。5、選擇閥門的種類：閉路閥門、調(diào)節(jié)閥門、安全閥門等。6、確定閥門的型式：閘閥、截止閥、球閥、蝶閥、節(jié)流閥、安全閥、減壓閥、蒸汽疏水閥、等。二、選擇閥門的依據(jù)在了解掌握選擇閥門步驟的同時，還應進一步了解選擇閥門的依據(jù)。1、所選用閥門的用途、使用工況條件和操縱控制方式。2、工作介質(zhì)的性質(zhì)：工作壓力、工作溫度、腐蝕性能，是否含有固體顆粒，介質(zhì)是否0，是否是易燃、易爆介質(zhì)，介質(zhì)的黏度等等。3、對閥門流體特性的要求：流阻、排放能力、流量特性、密封等級等等。阿克蘇立臥兩用止回閥廠家。烏魯木齊電動閥門報價</p><p style="text-indent:25px">新疆鍛鋼閘閥哪家好。新疆絲扣球閥報價</p><p> 【解】閥體材料：已知蒸汽壓力，溫度為350℃，閥體材料按表2-3a可選用球鑄鐵或質(zhì)量碳素鋼。但考慮到350℃已達到球墨鑄鐵的**高使用溫度，為了安全使用，應選用質(zhì)量碳素鋼（WCB、ZG230-450）閥門。公稱壓力：根據(jù)質(zhì)量碳素鋼和蒸汽的壓力和溫度，由表1-3查出，閥門的公稱壓力PN=。密封面材料：根據(jù)閥門公稱壓力和介質(zhì)溫度，按表2-3b密封面材料應選用不銹鋼。驅(qū)動方式：根據(jù)給定的公稱通徑DN100mm，因管徑較小，故啟閉時所需力矩不大，本例未提出操作方式的特殊要求，故選用手輪驅(qū)動。連接形式：根據(jù)給定的蒸汽壓力和溫度，管材應采用無縫鋼管，而無縫鋼管應采用焊接。但為了便于閥門的裝卸和維修，其連接形式不宜采用焊接，應采用法蘭連接。閥門類別與型號：根據(jù)介質(zhì)特性、公稱壓力與公稱通徑，可選用截止閥或閘閥。因在同一壓力等級下，閘閥的價格比截止閥高，故宜優(yōu)先選用截止閥。但在截止閥參數(shù)表中，沒有公稱壓力，故本例仍選用閘閥。按閘閥參數(shù)表中選用閥門型號Z40H-25DN100?！纠?】某油品管道，其介質(zhì)工作壓力為，溫度為340℃，管子內(nèi)徑為107mm；試選用適合的閉路閥門?！窘狻块y體材料：根據(jù)介質(zhì)特性和參數(shù)，按表2-3a可選用質(zhì)量碳素鋼（WCB、ZG230-450）。新疆絲扣球閥報價</p><p style="text-indent:25px">新疆遠大通用閥門有限公司是一家閥門的研發(fā)、銷售、維修；管網(wǎng)閥門集控系統(tǒng)的設計、安裝、調(diào)試。維修；管道配件、五金交電、標準件、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、工程機械設備及配件、儀器儀表、機電設備、電腦及配件、辦公用品、勞保用品、農(nóng)齋產(chǎn)品、環(huán)保設備、新能源設備、裝飾裝潢材料銷售：貨物與技術的進出口業(yè)務。(依法須經(jīng)批準的項目，經(jīng)相關部門批準后，方可開展經(jīng)營活動）的公司，是一家集研發(fā)、設計、生產(chǎn)和銷售為一體的專業(yè)化公司。遠大通用閥門深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的閥門。遠大通用閥門繼續(xù)堅定不移地走高質(zhì)量發(fā)展道路，既要實現(xiàn)基本面穩(wěn)定增長，又要聚焦關鍵領域，實現(xiàn)轉(zhuǎn)型再突破。遠大通用閥門始終關注機械及行業(yè)設備市場，以敏銳的市場洞察力，實現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2744823.html</p></div></div></div></div></div><div id="rg7qkwn" class="page-right twoColRt"><div id="t7773yf" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="t3jpmya" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" 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