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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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>湖南進(jìn)口真空管道蝶閥口徑</p><p><span>***更新：</span>2020-05-26 01:35:48</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="ncjszg3" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">頂耕國(guó)際貿(mào)易（上海）有限公司</a></p><p><span>聯(lián)系人：</span>查劍來(lái)</p><p><span>郵箱: </span></p><p><span>電話: </span>18521036598</p><p><span>傳真: </span>021_61637356</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>021-61637356</p><p><span>地址: </span>大葉公路5225號(hào)1幢2370室</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="z3gspb3" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="8ykxum7" class="box"><p><p> 1、蝶閥具有結(jié)構(gòu)簡(jiǎn)單、體積小、重量輕、材料耗用省，安裝尺寸小，開(kāi)關(guān)迅速、90°往復(fù)回轉(zhuǎn)，驅(qū)動(dòng)力矩小等特點(diǎn)，用于截?cái)唷⒔油?、調(diào)節(jié)管路中的介質(zhì)，具有良好的流體控制特性和關(guān)閉密封性能。 </p> <p> 2、蝶閥可以運(yùn)送泥漿，在管道口積存液體**少。低壓下，可以實(shí)現(xiàn)良好的密封。調(diào)節(jié)性能好。 </p> <p> 3、蝶板的流線型設(shè)計(jì)，使流體阻力損失小，可謂是一種節(jié)能型產(chǎn)品。 </p> <p> 4、閥桿為通桿結(jié)構(gòu)，經(jīng)過(guò)調(diào)質(zhì)處理，有良好的綜合力學(xué)性能和抗腐蝕性，抗擦傷性。蝶閥啟閉時(shí)閥桿只作旋轉(zhuǎn)運(yùn)動(dòng)而不作升降運(yùn)行，閥桿的填料不易破壞，密封可靠。與蝶板錐銷固定，外伸端為防沖出型設(shè)計(jì)，以免在閥桿與蝶板連接處意外斷裂時(shí)閥桿崩出。 </p> <p> 5、連接方式有法蘭連接，湖南進(jìn)口真空管道蝶閥口徑、對(duì)夾連接、對(duì)焊連接及凸耳對(duì)夾連接，湖南進(jìn)口真空管道蝶閥口徑。 </p> <p> 驅(qū)動(dòng)形式有手動(dòng)、蝸輪傳動(dòng)、電動(dòng)、氣動(dòng)、液動(dòng)，湖南進(jìn)口真空管道蝶閥口徑、電液聯(lián)動(dòng)等執(zhí)行機(jī)構(gòu)，可實(shí)現(xiàn)遠(yuǎn)距離控制和自動(dòng)化操作。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南進(jìn)口真空管道蝶閥口徑" src="http://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129737890810547/4528489.jpg"></div><p> 它擔(dān)任閥門(mén)密封直接接觸的面。那閥門(mén)密封材料都有哪些呢，我們知道閥門(mén)密封圈材料有金屬和非金屬兩大類。閥門(mén)密封材料是閥門(mén)密封的重要組成部分，它擔(dān)任閥門(mén)密封直接接觸的面。那閥門(mén)密封材料都有哪些呢，我們知道閥門(mén)密封圈材料有金屬和非金屬兩大類。下面就簡(jiǎn)單介紹一下各類密封材料的使用條件，以及常用的閥門(mén)類型1合成橡膠合成橡膠的耐油、耐溫、耐腐蝕等綜合性能優(yōu)于天然橡膠。一般合成橡膠的使用溫度t≤150℃，天然橡膠t≤60℃，橡膠用于公稱壓力PN≤1MPa的截止閥、閘閥、隔膜閥、蝶閥、止回閥、夾管閥等閥門(mén)的密封。2尼龍尼龍具有摩擦系數(shù)小、耐腐蝕性好等特點(diǎn)。尼龍多用于溫度t≤90℃、公稱壓力PN≤32MPa的球閥、截止閥等。3聚四氟乙烯聚四氟乙烯多用于溫度t≤232℃、公稱壓力PN≤、閘閥、球閥等。4鑄鐵鑄鐵用于溫度t≤100℃、公稱壓力PN≤、煤氣和油類用的閘閥、截止閥、旋塞閥等。5巴氏合金巴氏合金用于溫度t-70~150℃、公稱壓力PN≤。6銅合金銅合金常用材料有6-6-3錫青銅和58-2-2錳黃銅等。銅合金耐磨性好，適用于溫度t≤200℃、公稱壓力PN≤，常用于閘閥、截止閥、止回閥、旋塞閥等。7鉻不銹鋼鉻不銹鋼常用牌號(hào)有2Cr13、3Cr13經(jīng)調(diào)質(zhì)處理，耐腐蝕性能好。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南進(jìn)口真空管道蝶閥口徑" src="http://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129737494296875/3009218.png"></div><p> 液壓缸直接推拉驅(qū)動(dòng)式裝置結(jié)構(gòu)簡(jiǎn)單，形式變化多樣，作用在閥桿上的力和運(yùn)動(dòng)速度可調(diào)，控制靈活，安裝維護(hù)方便，工作環(huán)境適應(yīng)性強(qiáng)( 防塵、防潮、防爆) ，可遠(yuǎn)距離操控，適合管路在線流量精確控制等。但是油缸直立在閥門(mén)頂部高度尺寸較大，液壓缸活塞桿連接閥桿，由于油缸活塞的浮動(dòng)性造成閥門(mén)中的閥板不能長(zhǎng)時(shí)間精確定位，由于油缸結(jié)構(gòu)限制，在應(yīng)急狀態(tài)下液動(dòng)閥門(mén)本體不易實(shí)現(xiàn)人力驅(qū)動(dòng)閥門(mén)啟閉 </p> <p> 驅(qū)動(dòng)大中型的蝶閥、球閥和旋塞閥所采用的液壓驅(qū)動(dòng)裝置中，螺線擺動(dòng)油缸要優(yōu)于齒輪齒條式擺動(dòng)油缸。驅(qū)動(dòng)大中型口徑的閘閥和截止閥所采用的液壓驅(qū)動(dòng)裝置中，液壓馬達(dá)驅(qū)動(dòng)式要優(yōu)于液壓缸直接推拉驅(qū)動(dòng)式。對(duì)于精確控制閥門(mén)通過(guò)流量的調(diào)節(jié)閥采用液壓缸直接推拉驅(qū)動(dòng)式其調(diào)節(jié)流量的響應(yīng)速度快。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南進(jìn)口真空管道蝶閥口徑" src="https://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129737494189453/4103674.png"></div></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/40387.html</p></div></div></div></div></div><div id="x7rjqip" class="page-right twoColRt"><div id="7q8q2md" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8ld8tgd" class="recomPic likePro"><a 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