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<meta http-equiv="Cache-Control" content="no-siteapp" /> <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 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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>塔城信號(hào)卡箍蝶閥哪家好</p><p><span>***更新：</span>2020-05-23 13:31:57</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="xrtacta" 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(mén)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="28yax77" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="2p3u8lw" class="box"><p><p> 對(duì)安裝過(guò)程要求如下：1，塔城信號(hào)卡箍蝶閥哪家好、安裝車間必須保證潔凈，或者搭建臨時(shí)的潔凈區(qū)域，例如用新購(gòu)的彩條布或者塑料薄膜等，防止在安裝過(guò)程中有灰塵進(jìn)入。2、裝配工人必須身著潔凈的純棉工作服，頭戴純棉帽，頭發(fā)不能外漏，腳穿干凈鞋子，手戴塑膠手套，脫脂。3、裝配用工具必須裝配前進(jìn)行脫脂清洗，保證潔凈。閥門(mén)驗(yàn)收要求驗(yàn)收遵循HG20202-2000《脫脂工程施工及驗(yàn)收規(guī)范》，塔城信號(hào)卡箍蝶閥哪家好，裝配前每個(gè)零部件均用干凈的精密濾紙進(jìn)行擦拭，選擇部件死角，濾紙不變顏色為合格。閥門(mén)閥門(mén)規(guī)格要求1、閥門(mén)的型號(hào)應(yīng)注明依據(jù)的國(guó)標(biāo)編號(hào)要求。若是企業(yè)標(biāo)準(zhǔn)，應(yīng)注明型號(hào)的相關(guān)說(shuō)明。2、閥門(mén)工作壓力，要求≥管道的工作壓力，塔城信號(hào)卡箍蝶閥哪家好，在不影響價(jià)格的前提下，閥門(mén)可承受的工壓應(yīng)大于管道實(shí)際的工壓。3、閥門(mén)制造標(biāo)準(zhǔn)，應(yīng)說(shuō)明依據(jù)的國(guó)標(biāo)編號(hào)，若是企業(yè)標(biāo)準(zhǔn)，采購(gòu)合同上應(yīng)附企業(yè)文件。閥門(mén)性能檢測(cè)要求1、閥門(mén)某一規(guī)格批量制造時(shí)，應(yīng)委托官方性機(jī)構(gòu)進(jìn)行以下性能的檢測(cè)：①閥門(mén)在工壓狀況下的啟閉力矩；②閥門(mén)在管道輸水狀況下的流阻系數(shù)的檢測(cè)。2、閥門(mén)在出廠前應(yīng)進(jìn)行以下的檢測(cè)：①閥門(mén)在開(kāi)啟狀況下，閥體應(yīng)承受閥門(mén)工壓值二倍的內(nèi)壓檢測(cè)；②閥門(mén)在關(guān)閉狀況下，兩側(cè)分別承受11倍閥門(mén)工壓值，無(wú)滲漏；但金屬密封的蝶閥。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="塔城信號(hào)卡箍蝶閥哪家好" src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864799570313/5526304.jpg"></div><p> 旋啟式止回閥有一介鉸鏈機(jī)構(gòu)，還有一個(gè)像門(mén)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(dá)閥座面的合適位置，閥瓣設(shè)計(jì)在鉸鏈機(jī)構(gòu)，以便閥瓣具有足夠有旋啟空間，并使閥瓣真正的、***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(kāi)的狀況***體壓力幾乎不受阻礙，因此通過(guò)閥門(mén)的壓力降相對(duì)較小。升降式止回閥的閥瓣坐落位于閥體上閥座密封面上。此閥門(mén)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(zhì)回流導(dǎo)致閥瓣回落到閥座上，并切斷流動(dòng)。根據(jù)使用條件，閥瓣可以是全金屬結(jié)構(gòu)，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(guò)升降式止回閥的通道也是狹窄的，因此通過(guò)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。按調(diào)節(jié)介質(zhì)參數(shù)選用閥門(mén)在生產(chǎn)過(guò)程中，為了使介質(zhì)的壓力、流量等參數(shù)符合工藝流程的要求，需要安裝調(diào)節(jié)機(jī)構(gòu)對(duì)上述參數(shù)進(jìn)行調(diào)節(jié)。調(diào)節(jié)機(jī)構(gòu)的主要工作原理，是靠改變閥門(mén)閥瓣與閥瓣與閥座間的流通面積，達(dá)到調(diào)節(jié)上述參數(shù)的目的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="塔城信號(hào)卡箍蝶閥哪家好" src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864801464844/3391347.jpg"></div><p> 8）氣動(dòng)閥應(yīng)定期進(jìn)行維護(hù)保養(yǎng)閥桿轉(zhuǎn)動(dòng)處，應(yīng)三個(gè)月加油（機(jī)油）一次。定期對(duì)氣動(dòng)執(zhí)行單元和配合使用的空氣過(guò)濾器進(jìn)行放水、排污。正常的情況下六個(gè)月檢查一次，每年檢修一次。氣動(dòng)閥門(mén)選擇編輯閥處于氣動(dòng)控制系統(tǒng)的**地位，有各種型號(hào)的方向控制閥(DirectionalControlValve,DCV)和比例控制閥可供選擇。方向控制閥無(wú)疑是**常用的閥，它們控制壓縮空氣(或者其他合適的流體)的方向，例如決定一個(gè)氣缸的行程是向前還是后退。閥是由其主要連接的數(shù)量和可能的切換位置來(lái)識(shí)別的。舉例來(lái)說(shuō)一個(gè)“3/2”閥對(duì)應(yīng)于三個(gè)端口和兩個(gè)切換位置。除端口和切換位置的功能各異外，方向控制閥的機(jī)械設(shè)計(jì)和功能性設(shè)計(jì)也有不同。DCV的設(shè)計(jì)類型包括：塞頭(球形塞頭、扁平塞頭)、閥軸、扁平滑塊和旋轉(zhuǎn)滑塊。即使在同一類型中，仍有可能應(yīng)用不同的設(shè)計(jì)方法和材料。例如，一個(gè)線軸閥（SpoolValve）可能有沿其閥軸的密封環(huán)或者代替密封位于閥本體中。設(shè)計(jì)特性影響閥的服務(wù)壽命、流率、執(zhí)行器件、驅(qū)動(dòng)力、尺寸大小以及價(jià)格。當(dāng)方向閥用于執(zhí)行全部切換操作時(shí)，比例閥(ProportionalValve,PV)則調(diào)節(jié)壓力和流率。比例閥**主要的基本特性是將輸入信號(hào)轉(zhuǎn)換為特定的輸出信號(hào)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="塔城信號(hào)卡箍蝶閥哪家好" src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864802158203/7838338.jpg"></div></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/18713.html</p></div></div></div></div></div><div id="fzlx7zg" class="page-right twoColRt"><div id="gacegnk" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8lf7jg2" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="7bt3zwy" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" alt="寧波寧海直接考A2有幾個(gè)科目真誠(chéng)推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)" class="vcenter" 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