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id="uewtlnp" class="proBig"><div id="tdac2ol" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129737890507813/9234469.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="pzwtvxe" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129737890507813/9234469.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="fpmjlsu" 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>河北德國真空管道蝶閥口徑</p><p><span>***更新：</span>2020-05-23 07:29:15</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="etact2o" 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: </span>021-61637356</p><p><span>地址: </span>大葉公路5225號1幢2370室</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="oik2btl" class="page-proshow02"><p class="title">詳細說明</p><div id="oyan7o7" class="box"><p><p> 閥門非金屬密封件材料有： </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 1.合成橡膠 </p> <p> <br /> </p> <p> 合成橡膠與天然橡膠相比，有更好的耐油、耐溫、耐酸堿性能。一般合成橡膠的使用溫度≤150℃，天然橡膠≤60℃ </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 2.聚四氟乙烯 </p> <p> <br /> </p> <p> 聚四氟乙烯具有良好的耐腐蝕性，多用于溫度≤232℃、公稱壓力≤64公斤。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 3.尼龍 </p> <p> <br /> </p> <p> 尼龍的優(yōu)勢在于摩擦系數(shù)小、耐腐蝕性好。這種材料多用于溫度≤90℃、公稱壓力≤32公斤的球閥，河北德國真空管道蝶閥口徑、截止閥密封材料中。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 閥門金屬密封件材料有： </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 1.灰鑄鐵 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 灰鑄鐵可以用于溫度在-15~200℃之間、公稱壓力≤16公斤的蝶閥、閘閥、截止閥、旋塞閥等中的密封材料，河北德國真空管道蝶閥口徑。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 2.球墨鑄鐵 </p> <p> <br /> </p> <p> 球墨鑄鐵作為密封材料可以用在溫度在-30~350℃之間，公稱壓力≤40公斤的蝶閥、閘閥、止回閥，球閥中。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 3.銅合金 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 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，河北德國真空管道蝶閥口徑，適用于溫度≤200℃、公稱壓力≤16公斤的水和蒸汽中 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 4.鉻不銹鋼 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 鉻不銹鋼常用的有2Cr13、3Cr13，耐腐蝕性能好。常用于溫度≤450℃、公稱壓力≤32公斤的水、蒸汽和石油等介質(zhì)的閥門上。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 5.鉻鎳鈦不銹鋼 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 鉻鎳鈦不銹鋼常用的有1Cr18Ni9ti，該種材質(zhì)擁有良好的耐腐性、耐沖蝕性和耐熱性能。適用于溫度≤600℃、公稱壓力≤60公斤的蒸汽、硝酸等介質(zhì)中 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北德國真空管道蝶閥口徑" src="http://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129737890507813/9234469.jpg"></div><p> 閥門的種類繁多，說法也不完全統(tǒng)一，有的按用途分（如化工、石油、電站等）、有的按介質(zhì)分（如水蒸汽、空氣閥等）、有的按材質(zhì)分（如鑄鐵、鑄鋼、鍛鋼、不銹鋼、陶瓷、UPVC等）、有的按連接形式分（如內(nèi)螺紋、法蘭閥、對夾等）、有的按溫度分（如低溫閥、高溫閥等）。我國大多數(shù)習(xí)慣是按壓力和結(jié)構(gòu)種類來區(qū)分。即：按公稱壓力分：≤1.6MPa為低壓閥、壓力2.5、4.0、6.4MPa為中壓閥、≥10MPa為高壓閥、超過100MPa為超高壓閥。按結(jié)構(gòu)種類分主要有： </p> <p> 旋塞閥、閘閥、截止閥、球閥—用于開啟或關(guān)閉管道的介質(zhì)流動。 </p> <p> 止回閥（包括底閥）—用于自動防止管道內(nèi)的介質(zhì)倒流。 </p> <p> 節(jié)流閥—用于調(diào)節(jié)管道介質(zhì)的流量。 </p> <p> 蝶閥—用于開啟或關(guān)閉管道內(nèi)的介質(zhì)。也可作調(diào)節(jié)用。 </p> <p> 安全閥—用于鍋爐、容器設(shè)備及管道上，當介質(zhì)壓力超過規(guī)定數(shù)值時，能自動排除過剩介質(zhì)壓力，保證生產(chǎn)運行安全。 </p> <p> 減壓閥—用于自動降低管道及設(shè)備內(nèi)介質(zhì)壓力。系使介質(zhì)經(jīng)過閥瓣的間隙時，產(chǎn)生阻力造成壓力損失，達到減壓目的。 </p> <p> 疏水器—用于蒸汽管道上自動排除冷凝水，防止蒸汽損失或泄漏。 </p> <p> V型球閥—用于對介質(zhì)流量進行調(diào)節(jié)，流量特性為等百分比。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北德國真空管道蝶閥口徑" src="http://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129749337304688/5807955.png"></div><p> ? 根據(jù)DIN 2632-PN 10標準采用焊接而成，堅固耐用。 </p> <p> ? 閥體內(nèi)部采用錐形密封面，在保證密封性能同時又有效減少摩擦。 </p> <p> ? 通過填充物保護內(nèi)部滑動軸承，實現(xiàn)免維護。 </p> <p> ? 填充物密封閥門傳動軸，通過彈簧墊圈預(yù)加應(yīng)力。 </p> <p> ? 液壓缸安裝在閥軸側(cè)面，可根據(jù)客戶要求水平安裝、垂直安裝等。 </p> <p> ? 閥門可現(xiàn)場操作和遠程操作。 </p> <p> ? **完整的液壓站，出廠時已注入油，配有液位檢測、溫度監(jiān)控等。 </p> <p> ? 閥站安裝在油箱頂部，配有電磁閥，壓力限制閥，速度控制閥，壓力限制開關(guān)，雙重液壓操作閥塊。 </p> <p> ? 電控柜安裝在油箱側(cè)部，面板上有緊停、啟動/停止、閥板打開/關(guān)閉、油溫/油位/故障警報等按鈕。 </p> <p> ? **液壓站和電控柜可根據(jù)客戶要求進行選配。 </p> <p> ? 現(xiàn)場安裝時只需接入電源和控制閥門開/關(guān)的信號，閥門即可正常工作，不需特別調(diào)試。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北德國真空管道蝶閥口徑" src="http://tyunfile.71360.com/WaterMark/UploadFile/shdign/637129749327031250/8086057.png"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/14765.html</p></div></div></div></div></div><div id="vlikwvr" 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