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href="http://m.cdcfah.com/cp/third-famenti_qitafamenbd/">其他閥門</a>?甘肅閘閥門價格歡迎咨詢山東凱鋼閥門管件供應(yīng)</p><div id="d33oahj" class="leftbox clearfix"><h1>甘肅閘閥門價格歡迎咨詢山東凱鋼閥門管件供應(yīng)</h1><div id="nxu994j" class="proBig"><div id="tnfzdkr" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/sdkgfm/2019/11/637087462749484530/6370874627494845301249292.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="wgn9kbi" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/sdkgfm/2019/11/637087462749484530/6370874627494845301249292.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="vkh4szb" 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>山東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>甘肅閘閥門價格</p><p><span>***更新：</span>2020-06-26 19:20:00</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="nhz4p7e" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">山東凱鋼閥門管件有限公司</a></p><p><span>聯(lián)系人：</span>王魯凱</p><p><span>郵箱: </span>694088038@qq.com</p><p><span>電話: </span>18953964119</p><p><span>傳真: </span>0539_8153453</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0539-8153453</p><p><span>地址: </span>山東省臨沂市羅莊區(qū)盛莊街道化武路與王莊路交匯盛翔五金城3棟42號</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="x2ubykh" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="z2elnuw" class="box"><p><p> 閥門連接方式 </p> <p> 一、法蘭連接： </p> <p> 這是閥門中用得**多的連接形式。按結(jié)合面形狀又可分為以下幾種： </p> <p> 1、光滑式：用于壓力不高的閥門。加工比較方便 </p> <p> 2、凹凸式：工作壓力較高，可使用中硬墊圈 </p> <p> 3、榫槽式：可用塑性變形較大的墊圈，在腐蝕性介質(zhì)中使用較廣，密封效果較好。 </p> <p> 4、梯形槽式：用橢圓形金屬環(huán)作墊圈，使用于工作壓力≥64公斤/平方厘米的閥門，或高溫閥門。 </p> <p> 5、透鏡式：墊圈是透鏡形狀，用金屬制作，甘肅閘閥門價格。用于工作壓力≥100公斤/平方厘米的高壓閥門，或高溫閥門，甘肅閘閥門價格。 </p> <p> 6，甘肅閘閥門價格、O形圈式：這是一種較新的法蘭連接形式，它是隨著各種橡膠O形圈的出現(xiàn)，而發(fā)展起來的，它在密封效果上比一般平墊圈可靠。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅閘閥門價格" src="http://tyunfile.71360.com/UpLoadFile/sdkgfm/2019/11/637087462749484530/6370874627494845301249292.jpg"></div><p> 二、對夾連接： </p> <p> 用螺栓直接將閥門及兩頭管道穿夾在一起的連接形式。 </p> <p> 三、對焊連接： </p> <p> 直接與管道焊接的連接形式。 </p> <p> 四、螺紋連接： </p> <p> 這是一種簡便的連接方法，常用于小閥門。又分兩種情況： </p> <p> 1、直接密封：內(nèi)外螺紋直接起密封作用。為了確保連接處不漏，往往用鉛油、線麻和聚四氟乙烯生料帶填充；其中聚四氟乙烯生料帶，使用日見廣；這種材料耐腐蝕性能很好，密封效果較好，使用和保存方便，拆卸時，可以完整地將其取下，因為它是一層無粘性的薄膜，比鉛油、線麻優(yōu)越得多。 </p> <p> 2、間接密封：螺紋旋緊的力量，傳遞給兩平面間的墊圈，讓墊圈起密封作用。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅閘閥門價格" src="http://tyunfile.71360.com/UpLoadFile/sdkgfm/2019/11/637087462544970499/6370874625449704999532013.jpg"></div><p> 按驅(qū)動方式分類分為自動閥類、動力驅(qū)動閥類和手動閥類： </p> <p> (1) 自動閥是指不需要外力驅(qū)動，而是依靠介質(zhì)自身的能量來使閥門動作的閥門。如安全閥、減壓閥、疏水閥、止回閥、自動調(diào)節(jié)閥等。 </p> <p> (2) 動力驅(qū)動閥：動力驅(qū)動閥可以利用各種動力源進(jìn)行驅(qū)動。分為電動閥、氣動閥、液動閥等。電動閥：借助電力驅(qū)動的閥門。氣動閥：借助壓縮空氣驅(qū)動的閥門。液動閥：借助油等液體壓力驅(qū)動的閥門。 </p> <p> 此外還有以上幾種驅(qū)動方式的組合，如氣-電動閥等。 </p> <p> (3) 手動閥：手動閥借助手輪、手柄、杠桿、鏈輪，由人力來操縱閥門動作。當(dāng)閥門啟閉力矩較大時，可在手輪和閥桿之間設(shè)置齒輪或蝸輪減速器。必要時，也可以利用萬向接頭及傳動軸進(jìn)行遠(yuǎn)距離操作。 </p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/402773.html</p></div></div></div></div></div><div id="8lsmjln" class="page-right twoColRt"><div id="mg8xu7f" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="pjbqmo8" class="recomPic likePro"><a href="http://m.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) 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