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<script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://m.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u id="qgqbi"></u><noframes id="qgqbi"></noframes><menu 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class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/25/15/636996652237000272_guannai_5620337.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="td32urv" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/25/15/636996652237000272_guannai_5620337.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="d77qxpo" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>浙江止回閥價格,止回閥</p><p><span>***更新：</span>2020-06-14 14:15:58</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="ihu7hyv" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海冠耐閥門有限公司</a></p><p><span>聯(lián)系人：</span>石家全</p><p><span>郵箱: </span>gnvalves@163.com</p><p><span>電話: </span>13636691668</p><p><span>傳真: </span>021_67180323</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>021-67180323</p><p><span>地址: </span>科工路869號第4幢第1層第24車間</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="u3qkr8r" class="page-proshow02"><p class="title">詳細說明</p><div id="dnkhjac" class="box"><p><p style="text-indent:25px">H44X(SFCV)橡膠瓣止回閥特征和如何選購: H44X(SFCV)橡膠瓣止回閥特征和如何選購橡膠瓣止回閥閥瓣尼龍布基地的橡膠材料，鋼筋由一個鋼外層橡膠燈泡的壽命懸垂瓣轉了一百萬次，以及**，best的。水頭損失小，容易堆積碎片，皮瓣橡膠H44X系列，請檢查并設計，維修方便，該閥的流通面積。為了流回泵要施加到水平排水系統(tǒng)的安裝和水，主要是為了防止損壞錘水，拍打止回閥H44X系列橡膠制成的，可以安裝在泵的出口。為了防止水的供水系統(tǒng)，檢查閥瓣橡膠H44X系列可以被放置在水庫水管旁通管。相反的單向閥，用于容納的粘性介質和大固體顆粒，一般也適用于清凈介質。檢查H44X(SFCV)橡膠瓣止回閥的結構特征產(chǎn)生什么樣的影響還沒有達到，工作無噪聲，雙偏心閥瓣，密封臉上的青春痘已關閉，請聯(lián)系逐漸。微彈性的金屬片，密封性能好。蝴蝶閥瓣的設計，開關，靈敏度高，壽命長，很快。斜盤結構的通道流暢，浙江止回閥價格，流阻小，浙江止回閥價格，節(jié)能效果。相反的單向閥，用于容納的粘性介質和大固體顆粒，一般也適用于清凈介質。排放H44X(SFCV)橡膠瓣止回閥的選型標準為了防止介質逆流，浙江止回閥價格，請您將需要安裝的設施，設備和管道閥門.浙江止回閥價格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江止回閥價格,止回閥" src="http://tyunfile.71360.com/UpLoadFile/2019/7/25/15/636996652237000272_guannai_5620337.jpg"></div><p style="text-indent:25px">彈性軟密封閘閥在使用和工藝結構上與硬閥的區(qū)別：一、制造工藝上：　　由于很多的化工,機械行業(yè)的工作環(huán)境比較復雜,很多都是高溫高壓,介質的摩擦阻力大,腐蝕性強.現(xiàn)在技術進步了,各種材料的運用的比較好了,加工等方面都可以跟上了,使硬密封的球閥得到較廣的推廣.其實硬密封球閥原理和軟密封的是一樣的,只是由于是金屬之間的密封,要考慮到金屬之間的硬度關系,以及工況,走的什么介質等方面.一般都要求做硬化處理,球和閥座之間要不斷的研磨使其達到密封.硬密封球閥生產(chǎn)周期長,加工比較復雜,硬密封球閥做好不容易. 二、結構機理上: 　　硬密封是金屬和金屬之間的密封,密封球體和閥座都是金屬的.加工精度和工藝比較難,一般用在高壓上,通常35MPa以上.軟密封是金屬和非金屬之間的密封,如尼龍\四氟乙烯,制造的標準是一樣的. 三、密封材料上: 　　彈性軟密封閘閥和硬密封閘閥是對閥座的密封材料而言的,硬密封是用閥座材料精密加工,保證與閥芯（球體）的配合精度,一般有不銹鋼和銅.軟密封是指鑲嵌在閥座上的密封材料為非金屬材料,因軟密封材料有一定的彈性,因此對加工精度要求相對硬密封會低.江蘇止回閥哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江止回閥價格,止回閥" src="http://tyunfile.71360.com/UpLoadFile/2019/7/25/15/636996652206261478_guannai_5292607.jpg"></div><p style="text-indent:25px">DYH41X快速關閉止回閥詳細資料：一、Y型快閉式止回閥概述： Y型快閉式止回閥（DYH41X）用于水泵出口處，在水泵停止時，起快速止回，防止水錘產(chǎn)生的作用。開泵時，閥瓣在水底推力下上升，開啟閥門，同時彈簧被簧力的作用下迅速關閉，當水流接近于0時，閥瓣完全關閉。無水倒流現(xiàn)象，同時因水不能倒流，不產(chǎn)生動能，便防止了水錘的產(chǎn)生。其特點：1.防止水錘的產(chǎn)生。2.關閉無聲音。3.水頭損失小。4.使用范圍廣。5.密封效果好。使用于清水、污水等系統(tǒng)中。二、主要技術性能： 1. Y型快閉式止回閥主閥體采用Y型膜片式結構，密封副為非金屬密封；閥門一般要求水平安裝，與管道的連接形式為法蘭連接，法蘭連接尺寸按國家標準GB/T17241.6執(zhí)行。 2. Y型快閉式止回閥由閥體、閥蓋、中心軸、銅套、閥座、閥瓣等主要零件組成，通過控制閥瓣的上下運動來實現(xiàn)閥門的啟閉。三、主要零部件材質：零件名稱材質閥體、閥蓋鑄鐵、鑄鋼、不銹鋼閥桿鉻不銹鋼閥瓣碳鋼、不銹鋼+丁腈橡膠 O形圈丁腈橡膠彈簧不銹鋼導套黃銅、不銹鋼</p><p style="text-indent:25px">H42W不銹鋼底閥概述：底閥是一種節(jié)約能源的閥門,一般安裝在水泵水下吸管的底端.限制水泵管內(nèi)液體返回水源,起著只進不出的功能.閥蓋上有很多個進水品和加強筋,起到了不易堵塞,主要應用在抽水的管路上.水道和支承的作用.口徑有單瓣,雙瓣,多瓣型.有法蘭連接和螺紋連接。其他名稱：內(nèi)螺紋升降式底閥、井底閥、吸水閥、濾水閥、蓮蓬頭；升降式底閥－法蘭井底閥；旋啟式底閥－法蘭旋啟式井底閥。 H42W不銹鋼底閥結構與原理: 不銹鋼法蘭底閥由閥估,閥瓣,閥蓋,襯套,密封圈等零件組成,詳見下圖水源的水從閥蓋進入閥體.在流體的壓力作用下,閥瓣打開水,當示停后出口管內(nèi)的壓力將閥瓣迅速關閉,液體將不會倒回水源,起到了即暢通抽水又節(jié)約水能損失的作用. 底閥應用范圍： H42W不銹鋼底閥設計合理，制造工藝先進，安裝、使用、檢修方便。并具有摩擦阻力小，使用壽命長，節(jié)能等優(yōu)點，通常適用于石化、化工、紡織、印染、冶金、礦山、排灌等行業(yè)的水泵配套設施。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江止回閥價格,止回閥" src="http://tyunfile.71360.com/UpLoadFile/2019/7/30/13/637000890405803215_guannai_3288879.jpg"></div><p style="text-indent:25px">一、HH44Z/X/H/Y微阻緩閉止回閥用途及特點 HH44Z/X/H/Y微阻緩閉止回閥用于給排水管道,安裝在水泵出口處用來防止介質逆流和消除破壞性水錘,并能有效地減少閥門關閉水錘壓力,可保障管網(wǎng)安全運行.它具有閥瓣輕、開度大、節(jié)電效果明顯，流體阻力小，水錘消除機構設計新穎，密封性能穩(wěn)定可靠、耐磨損、使用壽命長、運行平穩(wěn)、無振動、無噪聲等特點。二、HH44Z/X/H/Y微阻緩閉止回閥主要零部件材料零件名稱閥體、閥蓋閥瓣閥軸材料灰鑄鐵橡膠組合件不銹鋼江蘇止回閥哪家好</p><p style="text-indent:25px">浙江止回閥價格</p><p style="text-indent:25px">一、HC41X消聲止回閥產(chǎn)品概述其中內(nèi)螺紋止回閥,蝶式止回閥就屬于這種類型的閥門，它包括旋啟式止回閥和升降式止回閥。正泉閥門旋啟式止回閥有一介鉸鏈機構，還有一個像門一樣的閥瓣自由地靠在傾斜的閥座表面上。為了確保閥瓣每次都能到達閥座面的合適位置，閥瓣設計在鉸鏈機構，以便閥瓣具有足夠有旋啟空間，并使閥瓣真正的、充分的與閥座接觸。閥瓣可以全部用金屬制成，也可以在金屬上鑲嵌皮革、橡膠、或者采用合成覆蓋面，這取決于使用性能的要求。旋啟式止回閥在完全打開的狀況***體壓力幾乎不受阻礙，因此通過閥門的壓力降相對較小。升降式止回閥的閥瓣座落位于閥體上閥座密封面上。此閥門除了閥瓣可以自由地升降之外，其余部分如同截止閥一樣，流體壓力使閥瓣從閥座密封面上抬起，介質回流導致閥瓣回落到閥座上，并切斷流動。根據(jù)使用條件，閥瓣可以是全金屬結構，也可以是在閥瓣架上鑲嵌橡膠墊或橡膠環(huán)的形式。像截止閥一樣，流體通過升降式止回閥的通道也是狹窄的，因此通過升降式止回閥的壓力降比旋啟式止回閥大些，而且旋啟式止回閥的流量受到的限制很少。本類閥門在管道中一般應當水平安裝。浙江止回閥價格</p><p style="text-indent:25px">上海冠耐閥門有限公司是一家有著雄厚實力背景、信譽可靠、勵精圖治、展望未來、有夢想有目標，有組織有體系的公司，堅持于帶領員工在未來的道路上大放光明，攜手共畫藍圖，在上海市市轄區(qū)等地區(qū)的機械及行業(yè)設備行業(yè)中積累了大批忠誠的客戶粉絲源，也收獲了良好的用戶口碑，為公司的發(fā)展奠定的良好的行業(yè)基礎，也希望未來公司能成為*****，努力為行業(yè)領域的發(fā)展奉獻出自己的一份力量，我們相信精益求精的工作態(tài)度和不斷的完善創(chuàng)新理念以及自強不息，斗志昂揚的的企業(yè)精神將**上海冠耐閥門和您一起攜手步入輝煌，共創(chuàng)佳績，一直以來，公司貫徹執(zhí)行科學管理、創(chuàng)新發(fā)展、誠實守信的方針，員工精誠努力，協(xié)同奮取，以品質、服務來贏得市場，我們一直在路上！</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/257090.html</p></div></div></div></div></div><div id="3o3277s" class="page-right twoColRt"><div id="3ztkbn3" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="lfr3eqs" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應" class="vcenter" 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