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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>杭州汽車排氣波紋管,波紋管</p><p><span>***更新：</span>2021-02-04 14:18:30</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="8woky0k" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海卓帕真空技術(shù)有限公司</a></p><p><span>聯(lián)系人：</span>范裕軍</p><p><span>郵箱: </span>469585075@qq.com</p><p><span>電話: </span>17317798775</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.zapavac.cn</p><p><span>手機(jī): </span>021-52999935</p><p><span>地址: </span>曹楊路1017號(hào)一幢三樓3193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="sm8quom" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="82i80c2" class="box"><p><p style="text-indent:25px">波紋管截止閥安裝使用前必要的強(qiáng)度與密封測試波紋管截止閥在安裝使用前，從閥門企業(yè)拿到產(chǎn)品都要進(jìn)行必要的閥門強(qiáng)度、密封性能的試驗(yàn)，杭州汽車排氣波紋管，以保證波紋管截止閥正常使用運(yùn)轉(zhuǎn)。波紋管截止閥的強(qiáng)度試驗(yàn)：波紋管截止閥可看成是受壓容器，故需滿足承受介質(zhì)壓力而不滲漏的要求，故波紋管截止閥的閥體、閥蓋等零件的毛坯不應(yīng)存在影響強(qiáng)度的裂紋、疏松氣孔、夾渣等缺點(diǎn)。閥門制造廠除對(duì)毛坯進(jìn)行外表及內(nèi)在質(zhì)量的嚴(yán)格檢驗(yàn)外，還應(yīng)逐臺(tái)進(jìn)行強(qiáng)度試驗(yàn)，杭州汽車排氣波紋管，以保證閥門的使用性能，杭州汽車排氣波紋管。波紋管密封截止閥雙重的密封設(shè)計(jì)（波紋管+填料），若波紋管失效，閥桿填料也會(huì)避免；杭州汽車排氣波紋管</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州汽車排氣波紋管,波紋管" src="https://tyunfile.71360.com/UploadFile/shzpzkgs/637417393311794114/5883287.png"></div><p style="text-indent:25px">波紋管截止閥的故障和解決方法有哪些？上海卓帕真空技術(shù)有限公司**介紹，波紋管截止閥的故障和解決方法有：波紋管截止閥閥芯、閥座易損壞問題。因?yàn)樵诠?jié)流口上，當(dāng)閥門快被關(guān)閉的時(shí)候，具有強(qiáng)大動(dòng)能，這樣，對(duì)密封面的沖刷力成倍成倍的增加，它可以很快將閥芯、閥座表面沖出線型的細(xì)槽，使波紋管截止閥的壽命成倍下降。另一方面，根據(jù)能量守恒原理，速度增大，壓力必將急劇下降，在出口處產(chǎn)生閃蒸現(xiàn)象。瞬間就會(huì)產(chǎn)生強(qiáng)大的壓力沖擊波，使閥芯、閥座表面的材料被沖擊成蜂窩狀的小孔，并引起振動(dòng)和噪聲，這就是汽蝕。因此，要求閥瓣閥座材質(zhì)的硬度和耐沖蝕性非常較好的才可以確保閥門的壽命。波紋管多錢波紋管密封截止閥沒有流體損失，降低能源損失，提高工廠設(shè)備安全；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州汽車排氣波紋管,波紋管" src="https://tyunfile.71360.com/UploadFile/shzpzkgs/637417393480876149/7315349.png"></div><p style="text-indent:25px">上海卓帕真空技術(shù)有限公司**介紹，波紋管截止閥提高了對(duì)出口壓力變化的傳感效能，提高了靈敏度，極大降低了因上游壓力變化，流量變化等因素引起的壓力偏差。改善了流線分布，降低了噪聲。波紋管截止閥適用于公稱壓力PN1．6～16MPa，工作溫度-29～350℃的易燃、易爆、du性流體、高溫導(dǎo)熱油、液氨等介質(zhì)。上海卓帕真空技術(shù)有限公司主要生產(chǎn)鍛鋼閘閥、截止閥、止回閥、球閥、波紋管等。產(chǎn)品采用ISO、API、ANSI、BS、DIN、NF、JIS、JPI、GB、JB等國內(nèi)外先進(jìn)標(biāo)準(zhǔn)生產(chǎn)，產(chǎn)品通徑為3/8“-2”(DN10mm-50mm)，壓力等級(jí)為150Lb-2500Lb(0.1Mpa-42.0Mpa)，工作溫度為-196℃-680℃。閥門主體材料有碳鋼、合金鋼、不銹鋼、蒙乃爾、20號(hào)全金等。并且可以根據(jù)用戶要求進(jìn)行制造。</p><p style="text-indent:25px">波紋管截止閥這一點(diǎn)就比普通的好，普通截止閥用填料密封，閥桿和填料間會(huì)滑動(dòng)，在低溫下容易泄露。波紋管截止閥內(nèi)部采用波紋管結(jié)構(gòu)，不銹鋼的波紋管下端焊接在閥桿上，以防止工藝流體浸蝕閥桿，另一端置于閥體和閥蓋之間構(gòu)成靜密封。采用雙重的密封設(shè)計(jì)若波紋管失效閥桿填料也會(huì)避免泄漏，波紋管焊于閥桿保持穩(wěn)定的運(yùn)行性能，避免由于閥塞振動(dòng)引起閥桿振動(dòng)。波紋管截止閥是個(gè)比較小的類別，蒸汽截止閥的類別相對(duì)比較大，普通的截止閥也可以用在蒸汽系統(tǒng)上。金屬波紋管選型時(shí)介質(zhì)軟管中所輸送的介質(zhì)的化學(xué)屬性，按軟管材質(zhì)耐腐蝕性能參數(shù)表，決定軟管各零件的材質(zhì)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州汽車排氣波紋管,波紋管" src="https://tyunfile.71360.com/UploadFile/shzpzkgs/637417393269626280/1820558.png"></div><p style="text-indent:25px">上海卓帕真空技術(shù)有限公司**介紹，波紋管截止閥采用雙重密封結(jié)構(gòu)。波紋管截止閥的閥桿采用波紋管及填料雙重密封結(jié)構(gòu)，確保閥桿處的無泄漏密封，特別適用于易燃、易爆、有du及貴重介質(zhì)的管路。波紋管采用不銹鋼或Inconel材料制造，波紋管密封結(jié)構(gòu)設(shè)計(jì)合理，耐疲勞，使用壽命長。不銹鋼波紋管截止閥的啟閉件是塞形的閥瓣，密封面呈平面或錐面，閥瓣沿流體的中心線作直線運(yùn)動(dòng)。閥桿的運(yùn)動(dòng)形式，有升降桿式（閥桿升降，手輪不升降），也有升降旋轉(zhuǎn)桿式（手輪與閥桿一起旋轉(zhuǎn)升降螺母設(shè)在閥體上）。想要了解如何防止波紋管閘閥泄漏詳細(xì)內(nèi)容，歡迎咨詢上海卓帕真空技術(shù)有限公司。杭州汽車排氣波紋管</p><p style="text-indent:25px">波紋管密封截止閥使用壽命長，減少維修次數(shù)，降低經(jīng)營成本；杭州汽車排氣波紋管</p><p style="text-indent:25px">密封副配對(duì)結(jié)構(gòu)型式采用錐、平面型，密封自動(dòng)補(bǔ)償，達(dá)到雙重保險(xiǎn)效果，密封性能穩(wěn)定，無粘著磨損，使用壽命長。波紋管截止閥是針對(duì)氯氣、液氯以及各類高危險(xiǎn)介質(zhì)**而設(shè)計(jì)的。因?yàn)樗拿芊獬盍贤膺€增加了波紋管密封，從而具有雙重密封結(jié)構(gòu)，能有效的阻危險(xiǎn)介質(zhì)的泄漏。在結(jié)構(gòu)上，結(jié)合國內(nèi)外閥門應(yīng)用的實(shí)際情況，閥瓣與閥座密封副采用了耐強(qiáng)腐蝕的聚四氟乙烯和司太立硬質(zhì)合金，密封性能穩(wěn)定、使用安全可靠、耐腐蝕性強(qiáng)、無介質(zhì)內(nèi)、外漏以及操作輕便等特點(diǎn)。杭州汽車排氣波紋管</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3161029.html</p></div></div></div></div></div><div id="0cecg80" class="page-right twoColRt"><div id="eokiugk" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="yyuk2yk" 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) 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