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class="twoCol"><div id="bl16h83" 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_diefakna/">蝶閥</a>?上海鋼廠真空管道蝶閥材料頂耕國際貿(mào)易供應(yīng)</p><div id="j30ryyo" class="leftbox clearfix"><h1>上海鋼廠真空管道蝶閥材料頂耕國際貿(mào)易供應(yīng)</h1><div id="wg83qiv" class="proBig"><div id="ux61b83" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129737494296875/3009218.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="pvaaccw" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129737494296875/3009218.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="gu83duy" 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(guān)鍵詞：</span>上海鋼廠真空管道蝶閥材料</p><p><span>***更新：</span>2020-05-27 07:29:47</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="ux81b33" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">頂耕國際貿(mào)易（上海）有限公司</a></p><p><span>聯(lián)系人：</span>查劍來</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="dg1wgvp" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="sglqgpn" class="box"><p><p> 閥門密封圈材料使用條件非金屬類:1聚四氟乙烯,代號F聚四氟乙烯多用于溫度t≤232℃、公稱壓力PN≤、閘閥、球閥等。2合成橡膠,代號X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、夾管閥等閥門的密封。3尼龍,代號N尼龍具有摩擦系數(shù)小、耐腐蝕性好等特點。尼龍多用于溫度t≤90℃、公稱壓力PN≤32MPa的球閥、截止閥等。金屬類:4巴氏合金,代號B巴氏合金用于溫度t-70~150℃、公稱壓力PN≤。5鉻不銹鋼,代號H鉻不銹鋼常用牌號有2Cr13，上海鋼廠真空管道蝶閥材料、3Cr13經(jīng)調(diào)質(zhì)處理，耐腐蝕性能好，上海鋼廠真空管道蝶閥材料。常用于溫度t≤450℃、公稱壓力PN≤32MPa的水，上海鋼廠真空管道蝶閥材料、蒸汽和石油等介質(zhì)的閥門上。6鉻鎳鈦不銹鋼,代號R鉻鎳鈦不銹鋼常用牌號為1Cr18Ni9ti，其耐腐性、耐沖蝕性和耐熱性能較好。適用于溫度t≤600℃、公稱壓力PN≤、硝酸等介質(zhì)中，用于截止閥、球閥等。7銅合金。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海鋼廠真空管道蝶閥材料" src="http://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129737494296875/3009218.png"></div><p> 蝶閥的結(jié)構(gòu)長度和總體高度較小，開啟和關(guān)閉速度快，且具有良好的流體控制特性，蝶閥的結(jié)構(gòu)原理**適合制作大口徑閥門。當(dāng)要求蝶閥作控制流量使用時，**重要的是正確選擇蝶閥的尺寸和類型，使之能恰當(dāng)?shù)?、有效地工作?</p> <p> 通常，在節(jié)流、調(diào)節(jié)控制與泥漿介質(zhì)中，要求結(jié)構(gòu)長度短，啟閉速度快（1/4轉(zhuǎn)）。低壓截止（壓差?。扑]選用蝶閥。 </p> <p> 在雙位調(diào)節(jié)、縮口地通道、低噪聲、有氣穴和氣化現(xiàn)象，向大氣少量滲漏，具有磨蝕性介質(zhì)時，可以選用蝶閥。 </p> <p> 在特殊工況條件下節(jié)流調(diào)節(jié)，或要求密封嚴(yán)格，或磨損嚴(yán)重、低溫（深冷）等工況條件下使用蝶閥時，需使用特殊設(shè)計金屬密封帶調(diào)節(jié)裝置地三偏心或雙偏心地**蝶閥。 </p> <p> 蝶閥適用于要求達(dá)到完全密封、氣體試驗泄漏為零、壽命要求較高、工作溫度在-10度～150度的淡水、污水、海水、鹽水、蒸汽、天然氣、食品、藥品、油品和各種酸堿及其他管路上。 </p> <p> 軟密封偏心蝶閥適用于通風(fēng)除塵管路的雙向啟閉及調(diào)節(jié)，很多用于冶金、輕工、電力、石油化工系統(tǒng)的煤氣管道及水道等。 </p> <p> 金屬對金屬線密封雙偏心蝶閥適用于城市供熱、供氣、供水等煤氣、油品、酸堿等管路，作為調(diào)節(jié)和節(jié)流裝置。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海鋼廠真空管道蝶閥材料" src="http://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129749337304688/5807955.png"></div><p> 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有2Cr13、3Cr13經(jīng)調(diào)質(zhì)處理，耐腐蝕性能好。常用于溫度t≤450℃、公稱壓力PN≤32MPa的水、蒸汽和石油等介質(zhì)的閥門上。8、鉻鎳鈦不銹鋼鉻鎳鈦不銹鋼常用牌號為1Cr18Ni9ti，其耐腐性、耐沖蝕性和耐熱性能較好。適用于溫度t≤600℃、公稱壓力PN≤、硝酸等介質(zhì)中，用于截止閥、球閥等。9、滲氮鋼滲氮鋼常用牌號是38CrMoAlA，經(jīng)滲碳處理，具有良好的耐腐蝕性和抗擦傷性。常用于溫度t≤540℃、公稱壓力PN≤10MPa的電站閘閥。10、滲硼滲硼由閥體或閥瓣本體材料直接加工出密封面，再進(jìn)行滲硼表面處理，密封面耐磨性能很好。用于電站排污閥。閥門在使用中，應(yīng)該注意的事項如：1、應(yīng)對閥門的密封性能進(jìn)行試驗，確保其性能。2、應(yīng)查看閥門密封面是否磨損，并根據(jù)情況進(jìn)行維修或更換。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海鋼廠真空管道蝶閥材料" src="https://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129737493554688/8379117.png"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/55088.html</p></div></div></div></div></div><div id="v5rg8pf" class="page-right twoColRt"><div id="gyt0qrl" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="yvhqklp" class="recomPic 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