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style="color: #f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>北京球墨鑄鐵止回閥原理</p><p><span>***更新：</span>2020-06-23 03:20:28</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="mxn9t40" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海冠耐閥門有限公司</a></p><p><span>聯(lián)系人：</span>石家全</p><p><span>郵箱: </span>gnvalves@163.com</p><p><span>電話: </span>13636691668</p><p><span>傳真: </span>021_67180323</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>021-67180323</p><p><span>地址: </span>科工路869號第4幢第1層第24車間</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="daphimw" class="page-proshow02"><p class="title">詳細說明</p><div id="ghnzwnt" class="box"><p><p style="text-indent:25px">止回閥：止回閥又稱單向閥或逆止閥，其作用是防止管路中的介質(zhì)倒流。水泵吸水關的底閥也屬于止回閥類，北京球墨鑄鐵止回閥原理。啟閉件靠介質(zhì)流動和力量自行開啟或關閉，以防止介質(zhì)倒流的閥門叫止回閥。止回閥屬于自動閥類，主要用于介質(zhì)單向流動的管道上，北京球墨鑄鐵止回閥原理，只允許介質(zhì)向一個方向流動，以防止發(fā)生事故。止回閥按結(jié)構劃分，可分為升降式止回閥、旋啟式止回閥和蝶式止回閥三種。升降式止回閥可分為立式和臥式兩種。旋啟式止回閥分為單瓣式，北京球墨鑄鐵止回閥原理、雙瓣式和多瓣式三種。蝶式止回閥為直通式、以上幾種止回閥在連接形式上可分為螺紋連接、法蘭連接和焊接三種。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京球墨鑄鐵止回閥原理" src="http://tyunfile.71360.com/UpLoadFile/2019/7/26/8/636997283415948445_guannai_5054803.jpg"></div><p style="text-indent:25px">Y416可調(diào)式減壓閥的選用技巧：　　1、工程式中應用的水力控制閥是經(jīng)過制造廠檢驗合格，各種標識齊全，技術資料符合要求的產(chǎn)品。　　2、根據(jù)功能要求，選擇閥門種類，再根據(jù)管道輸送介質(zhì)、溫度、建筑標準和業(yè)主要要求等，確定閥門的閥體和密封部位的材質(zhì)。常用的閥體材料有鑄鐵、銅鐵、銅、塑料等。常用的密封面和襯里材料有銅合金、塑料、鋼、硬質(zhì)合金、橡膠等。閥體材料應與管道材料相匹配。　　3、閥門的公稱壓力有0.6、1.0、1.6、2.5和4.0MPa等不同級別，管道輸送的介質(zhì)，其工作壓力應小于閥門的公稱壓力值。　　4、工程中水力控制閥的設置應當有足夠的空間，以便管理、操作、安裝和維修，并應符合管路對閥門的要求。　　5、管路采用法蘭連接時，應采用法蘭連接的水力控制閥；管路采用溝槽式連接時，應采用溝槽式連接的水力控制閥。　　6、活塞式可調(diào)式減壓閥應設置在介質(zhì)單向流動的管路上。　　7、活塞式可調(diào)式減壓閥主閥體上的箭頭方向必須與管路系統(tǒng)流向一致。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京球墨鑄鐵止回閥原理" src="http://tyunfile.71360.com/UpLoadFile/2019/7/30/13/637000890405959179_guannai_6147853.jpg"></div><p style="text-indent:25px">上海冠耐閥門有限公司堅持“以人為本”的企業(yè)理念，擁有一支專業(yè)的員工隊伍，力求提供更好的產(chǎn)品和服務回饋社會，并歡迎廣大新老客戶光臨惠顧，真誠合作、共創(chuàng)美好未來。上海冠耐閥門——您可信賴的朋友，公司地址：科工路869號第4幢***層第24車間。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/357114.html</p></div></div></div></div></div><div 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