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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_famenti/">閥門</a>?<a href="http://www.cdcfah.com/cp/third-famenti_hxfcv/">換向閥</a>?美國numatics閥門價(jià)格廈門市冠來機(jī)電設(shè)備供應(yīng)</p><div id="s7h9dzd" class="leftbox clearfix"><h1>美國numatics閥門價(jià)格廈門市冠來機(jī)電設(shè)備供應(yīng)</h1><div id="vz282q2" class="proBig"><div id="n7r9x3a" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/2/14/636976730600149680_baomeng202_3309165.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8xzw9qs" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/7/2/14/636976730600149680_baomeng202_3309165.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="swdvp7e" 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>福建省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>美國numatics閥門價(jià)格,閥門</p><p><span>***更新：</span>2021-01-19 13:02:39</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="zifxr8h" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">廈門市冠來機(jī)電設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>趙先生</p><p><span>郵箱: </span>173913050@qq.com</p><p><span>電話: </span>13806058973</p><p><span>傳真: </span>0592_7267158</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0592-7267158</p><p><span>地址: </span>穆厝社120號A棟125單元</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="m2mgk3o" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ztvxrtu" class="box"><p><p style="text-indent:25px">柱塞閥是由閥體、閥蓋、閥桿、柱塞、孔架、密封環(huán)，美國numatics閥門價(jià)格、手輪等零件組成，通過閥桿帶動(dòng)柱塞在孔架中間上下往復(fù)運(yùn)動(dòng)來完成閥門的開啟與關(guān)閉功能。柱塞閥的關(guān)閉由一個(gè)不銹鋼柱塞、上下兩只富彈性密封圈及一個(gè)金屬隔框組成，密封效果由柱塞與密封圈緊密配合來達(dá)到，柱塞插在兩只密封圈中，密封面積遠(yuǎn)大于普通截止閥；開關(guān)柱塞閥時(shí)，柱塞在密封圈中緩慢移動(dòng)，接觸面幾乎不磨損，美國numatics閥門價(jià)格，關(guān)閉時(shí)，美國numatics閥門價(jià)格，柱塞插入下密封圈，截?cái)嗔鞯溃婚_啟時(shí)，柱塞雖然脫離下密封圈，但仍藏在上密封圈內(nèi)，保持與外界隔離，不致發(fā)生泄漏。美國numatics閥門價(jià)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="美國numatics閥門價(jià)格,閥門" src="http://tyunfile.71360.com/UpLoadFile/2019/7/2/14/636976730600149680_baomeng202_3309165.jpg"></div><p style="text-indent:25px">蝶閥又叫翻板閥，常用于發(fā)生爐、煤氣、天然氣、液化石油氣、冷熱空氣、化工冶煉等工程系統(tǒng)中輸送各種腐蝕性、非腐蝕性流體介質(zhì)的管道上，蝶閥是指關(guān)閉件(閥瓣或蝶板)為圓盤，圍繞閥軸旋轉(zhuǎn)來達(dá)到開啟與關(guān)閉的一種閥，在管道上主要起切斷和節(jié)流用。蝶閥啟閉件是一個(gè)圓盤形的蝶板，在閥體內(nèi)繞其自身的軸線旋轉(zhuǎn)，從而達(dá)到啟閉或調(diào)節(jié)的目的。蝶閥全開到全關(guān)通常是小于90°，蝶閥和蝶桿本身沒有自鎖能力，為了蝶板的定位，要在閥桿上加裝蝸輪減速器。采用蝸輪減速器，不僅可以使蝶板具有自鎖能力，使蝶板停止在任意位置上，還能改善閥門的操作性能。美國numatics閥門價(jià)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="美國numatics閥門價(jià)格,閥門" src="http://tyunfile.71360.com/UpLoadFile/2019/7/2/14/636976730608257676_baomeng202_5792854.jpg"></div><p style="text-indent:25px">球閥按結(jié)構(gòu)形式可分為浮動(dòng)球球閥、固定球球閥、彈性球球閥； ①浮動(dòng)球球閥：球閥的球體是浮動(dòng)的，在介質(zhì)壓力作用下，球體能產(chǎn)生一定的位移并緊壓在出口端的密封面上，保證出口端密封。浮動(dòng)球球閥的結(jié)構(gòu)簡單，密封性好，但球體承受工作介質(zhì)的載荷全部傳給了出口密封圈，因此要考慮密封圈材料能否經(jīng)受得住球體介質(zhì)的工作載荷。這種結(jié)構(gòu)，大范圍用于中低壓球閥。 ②固定球球閥:球閥的球體是固定的，受壓后不產(chǎn)生移動(dòng)。固定球球閥都帶有浮動(dòng)閥座，受介質(zhì)壓力后，閥座產(chǎn)生移動(dòng)，使密封圈緊壓在球體上，以保證密封。通常在與球體的上、下軸上裝有軸承，操作扭距小，適用于高壓和大口徑的閥門。為了減少球閥的操作扭矩和增加密封的可靠程度，出現(xiàn)了油封球閥，密封面間壓注特制的潤滑油，以形成一層油膜，即增強(qiáng)了密封性，又減少了操作扭矩，更適用高壓大口徑的球閥。 ③彈性球球閥:球體和閥座密封圈都采用金屬材料制造，密封比壓很大，依靠介質(zhì)本身的壓力已達(dá)不到密封的要求，必須施加外力。這種閥門適用于高溫高壓介質(zhì)。彈性球體是在球體內(nèi)壁的下端開一條彈性槽，而獲得彈性。當(dāng)關(guān)閉通道時(shí)，用閥桿的楔形頭使球體漲開與閥座壓緊達(dá)到密封。</p><p style="text-indent:25px">怎樣區(qū)分各種片式球閥: ①就結(jié)構(gòu)上而言，一片式球閥是一體式的里面由球，四氟圈，鎖緊螺母組成，球的口徑比管道口徑略小，類似于廣式球閥。二片式球閥是由兩部分組成，密封效果好于一片式球閥，球的口徑和管道口徑的一樣的，比一片式球閥易于拆卸。三片式球閥是由三部分組成，兩邊的閥蓋和中間閥體，三片式球閥不同于二片式球閥和一片式球閥的地方在于拆卸維修方便。 ②從壓力上區(qū)分，三片式耐壓遠(yuǎn)遠(yuǎn)要高于一片式和二片式球閥。主要三片式球閥外邊由四個(gè)螺栓固定，起到一個(gè)很好的緊固作用。精鑄閥體可以壓力達(dá)到1000psi≈6.9MPa。更高的壓力就要用鍛壓的閥體。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="美國numatics閥門價(jià)格,閥門" src="http://tyunfile.71360.com/UpLoadFile/2019/7/2/14/636976730607945830_baomeng202_6889391.jpg"></div><p style="text-indent:25px">氣動(dòng)球閥分為一片式球閥，二片式球閥，三片式球閥。根本的區(qū)別在閥體結(jié)構(gòu)上； ①一片式球閥是由一體式由球，四氟圈，鎖緊螺母組成，一個(gè)塞頭將球體固定，體積小，密封可靠，結(jié)構(gòu)簡單，維修方便。一片式的是縮徑的，實(shí)際流通口徑要比螺紋口徑小一些。 ②二片式球閥是由兩片閥體夾住球體固定的，密封效果比一片式球閥好，維修相對復(fù)雜，中間的螺栓松緊度很關(guān)鍵，關(guān)系到是否泄漏。二片式球閥不適用于高壓。 ③三片式球閥跟二片式球閥類似，但球體中間多了一個(gè)閥體，再由兩邊帶頸法蘭夾住。不同于二片式球閥和一片式球閥的地方三片球閥易拆卸維修方便。美國numatics閥門價(jià)格</p><p style="text-indent:25px">美國numatics閥門價(jià)格</p><p style="text-indent:25px">截止閥主要起到切斷管路介質(zhì)的作用。與閘閥相比，調(diào)節(jié)性能較好，開啟高度小，關(guān)閉時(shí)間短，制造與維修方便，密封面不易磨損、擦傷，密封性能較好、使用壽命長；截止閥的閥體結(jié)構(gòu)設(shè)計(jì)比較曲折，因此流阻大，能量消耗大；適用于蒸汽、油品等介質(zhì)，不宜用于黏度較大、帶顆粒、易結(jié)焦、易沉淀的介質(zhì)。中、高壓截止閥，大口徑截止閥可采用平衡式結(jié)構(gòu)，截止閥的延伸產(chǎn)品-節(jié)流閥，通過改變流道截面控制介質(zhì)的壓力和流量，除啟閉件采用流線圓錐型，其他大部分均與截止閥相同。美國numatics閥門價(jià)格</p><p style="text-indent:25px">廈門市冠來機(jī)電設(shè)備有限公司致力于機(jī)械及行業(yè)設(shè)備，是一家貿(mào)易型公司。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下水泵，閥門，變頻器，流量計(jì)深受客戶的喜愛。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造機(jī)械及行業(yè)設(shè)備良好品牌。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2917677.html</p></div></div></div></div></div><div id="jjq3m9c" class="page-right twoColRt"><div id="3jg3cbs" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="g8akhtq" 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" 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="hrg7h4d" class="recomPic likePro"><a 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