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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="blflaht" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lanfatonyon/637408829227775070/2697520.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="pyph3oq" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>杭州閥門生產(chǎn)廠家,閥門</p><p><span>***更新：</span>2021-01-31 04:13:29</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="8nz7oly" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">江蘇蘭閥通用設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>金</p><p><span>郵箱: </span>81768246@qq.com</p><p><span>電話: </span>13915001988</p><p><span>傳真: </span>0519_</p><p><span>網(wǎng)址: </span>http://www.lanfa.cn</p><p><span>手機(jī): </span>0519-88610258</p><p><span>地址: </span>橫山橋鎮(zhèn)省莊村</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="6rtvkli" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ysuhev7" class="box"><p><p style="text-indent:25px">制造中心向發(fā)展中國家轉(zhuǎn)移：智研數(shù)據(jù)研究中心分析表示：由于西方發(fā)達(dá)國家城市建設(shè)基本趨于穩(wěn)定，城市水道管網(wǎng)鋪設(shè)對給排水閥門的需求量十分有限，同時(shí)以中國、印度、巴西為替代的新型發(fā)展中國家經(jīng)濟(jì)實(shí)力不斷增強(qiáng)，城鎮(zhèn)化建設(shè)速度逐步加快，城市管網(wǎng)建設(shè)對給排水閥門的需求不斷增加，越來越多的國際閥門品牌企業(yè)將自身的市場拓展空間指向這些市場需求巨大的發(fā)展中國家。這些國際品牌通過在當(dāng)?shù)卦O(shè)立分廠或者與當(dāng)?shù)仄髽I(yè)建立合作關(guān)系等方式搶占市場。除此之外，原材料供應(yīng)，杭州閥門生產(chǎn)廠家、人工成本，杭州閥門生產(chǎn)廠家、環(huán)保標(biāo)準(zhǔn)提高等因素制約也是推動(dòng)一些發(fā)達(dá)國家的給排水閥門生產(chǎn)基地開始大量向發(fā)展中國家轉(zhuǎn)移動(dòng)力。由于閥門全球分工的重新調(diào)整以及市場需求地域轉(zhuǎn)變，杭州閥門生產(chǎn)廠家，給發(fā)展國家閥門生產(chǎn)企業(yè)帶來了良好的發(fā)展機(jī)遇，也為我國閥門生產(chǎn)企業(yè)帶來了前所未有的發(fā)展契機(jī)。所有零部件進(jìn)行脫脂處理。杭州閥門生產(chǎn)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州閥門生產(chǎn)廠家,閥門" src="https://tyunfile.71360.com/UploadFile/lanfatonyon/637408829227775070/2697520.png"></div><p style="text-indent:25px">氣動(dòng)和液動(dòng)閥門：氣動(dòng)閥門和液動(dòng)是以一定壓力的空氣、水或油為動(dòng)力源,利用氣缸(或液壓缸)和活塞的運(yùn)動(dòng)來驅(qū)動(dòng)閥門的，一般氣動(dòng)的空氣壓力小于0.8MPa,液動(dòng)的水壓或油壓為2.5MPa~25MPa?；蚋裟らy；回轉(zhuǎn)型氣、液驅(qū)動(dòng)裝置用于驅(qū)動(dòng)裝置用于驅(qū)動(dòng)球閥、蝶閥或旋塞閥。液動(dòng)裝置的驅(qū)動(dòng)力大，適用于驅(qū)動(dòng)大口徑閥門。如用于驅(qū)動(dòng)旋塞閥、球閥和蝶閥時(shí)，必須將活塞的往復(fù)運(yùn)動(dòng)轉(zhuǎn)換面回轉(zhuǎn)運(yùn)動(dòng)。除了采用氣缸或液壓缸的活塞來驅(qū)動(dòng)外，不有采用氣動(dòng)薄膜驅(qū)動(dòng)的，因其行程和驅(qū)動(dòng)力較小，故主要用于調(diào)節(jié)閥。杭州閥門生產(chǎn)廠家仔細(xì)檢查核對閥門型號、規(guī)格是否符合圖紙要求。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州閥門生產(chǎn)廠家,閥門" src="https://tyunfile.71360.com/UploadFile/lanfatonyon/637408829369405185/2317107.png"></div><p style="text-indent:25px">安裝閥門的注意事項(xiàng)：1.閥門安裝方法錯(cuò)誤。例如截止閥或止回閥水(汽)流向與標(biāo)志相反，閥桿朝下安裝，水平安裝的止回閥采取垂直安裝，明桿閘閥或蝶閥手柄沒有開、閉空間，暗裝閥門的閥桿不朝向檢查門。后果：閥門失靈，開關(guān)檢修困難，閥桿朝下往往造成漏水。措施：嚴(yán)格按閥門安裝說明書進(jìn)行安裝，明桿閘閥留足閥桿伸長開啟高度，蝶閥充分考慮手柄轉(zhuǎn)動(dòng)空間，各種閥門桿不能低于水平位置，更不能向下。暗裝閥門不但要設(shè)置滿足閥門開閉需要的檢查門，同時(shí)閥桿應(yīng)朝向檢查門。2.安裝閥門的規(guī)格、型號不符合設(shè)計(jì)要求。例如閥門的公稱壓力小于系統(tǒng)試驗(yàn)壓力；給水支管當(dāng)管徑小于或等于50mm時(shí)采用閘閥；熱水采暖的干、立管采用截止閥；消防水泵吸水管采用蝶閥。后果：影響閥門正常開閉及調(diào)節(jié)阻力、壓力等功能。甚至造成系統(tǒng)運(yùn)行中，閥門損壞被迫修理。措施：熟悉各類閥門的應(yīng)用范圍，按設(shè)計(jì)的要求選擇閥門的規(guī)格和型號。閥門的公稱壓力要滿足系統(tǒng)試驗(yàn)壓力的要求。按施工規(guī)范要求：給水支管管徑小于或等于50mm應(yīng)采用截止閥；當(dāng)管徑大于50mm應(yīng)采用閘閥。熱水采暖干、立控制閥應(yīng)采用閘閥，消防水泵吸水管不應(yīng)采用蝶閥。</p><p style="text-indent:25px">安裝閥門的注意事項(xiàng)：1.冬期施工在負(fù)溫度下進(jìn)行水壓試驗(yàn)。后果：由于水壓試驗(yàn)時(shí)管內(nèi)很快結(jié)冰，使管凍壞。措施：盡量在冬施前進(jìn)行水壓試驗(yàn)，并且試壓后要將水吹凈，特別是閥門內(nèi)的水必須除去于凈，否則閥門將會(huì)凍裂。工程必須在冬季進(jìn)行水壓試驗(yàn)時(shí)，要保持室內(nèi)正溫度下進(jìn)行，試壓后要將水吹凈。在不能進(jìn)行水壓試驗(yàn)時(shí)，可用壓縮空氣進(jìn)行試驗(yàn)。2.管道系統(tǒng)竣工前沖洗不認(rèn)真，流量和速度達(dá)不到管道沖洗要求。甚至以水壓強(qiáng)度試驗(yàn)泄水代替沖洗。后果：水質(zhì)達(dá)不到管道系統(tǒng)運(yùn)行要求，往往還會(huì)造成管道截面減少或堵塞。措施：用系統(tǒng)內(nèi)較大設(shè)汁流量或不應(yīng)小于3m／s的水流速度進(jìn)行沖洗。應(yīng)以排出口水色、透明度與入口水的水色、透明度目測一致為合格。填料壓蓋不允許歪斜或無預(yù)緊間隙。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="杭州閥門生產(chǎn)廠家,閥門" src="https://tyunfile.71360.com/UploadFile/lanfatonyon/637408829478340527/3223130.png"></div><p style="text-indent:25px">閥門注脂時(shí)的維護(hù)保養(yǎng)工作：在焊接前投產(chǎn)前以及投產(chǎn)后的閥門專業(yè)養(yǎng)護(hù)工作，為閥門服務(wù)于生產(chǎn)運(yùn)營中起著至關(guān)重要的作用，正確和有序有效的維護(hù)保養(yǎng)會(huì)保護(hù)閥門，使閥門正常發(fā)揮功能并且延長閥門使用壽命。閥門養(yǎng)護(hù)工作看似簡單，其實(shí)不然。工作中常有被忽視的方面。閥門注脂時(shí)，常常忽視注脂量的問題。注脂加油后，操作人員選擇閥門和注脂聯(lián)結(jié)方式后，進(jìn)行注脂作業(yè)。存在著二種情況：一方面注脂量少注脂不足，密封面因缺少潤滑劑而加快磨損。另一方面注脂過量，造成浪費(fèi)。在于沒有根據(jù)閥門類型類別，對不同的閥門密封容量進(jìn)行精確的計(jì)算?？梢砸蚤y門尺寸和類別算出密封容量，再合理的注入適量的潤滑脂。閥門注脂時(shí)，注意閥門在開關(guān)位的問題。球閥維護(hù)保養(yǎng)時(shí)一般都處于開位狀態(tài)，特殊情況下選擇關(guān)閉保養(yǎng)。杭州閥門生產(chǎn)廠家</p><p style="text-indent:25px">污水、雨水、冷凝水管不做閉水試驗(yàn)便做隱蔽。杭州閥門生產(chǎn)廠家</p><p style="text-indent:25px">閥門安裝注意事項(xiàng)：1.閥門的閥體材料多用鑄鐵制作，性脆，故不得受重物撞擊。2.搬運(yùn)閥門時(shí)，不允許隨手拋擲；吊運(yùn)、吊裝閥門時(shí)，繩索應(yīng)系在閥體上，嚴(yán)禁拴在手輪、閥桿及法蘭螺栓孔上。3.閥門應(yīng)安裝在操作、維護(hù)和檢修較方便的地方，嚴(yán)禁埋于地下。直埋和地溝內(nèi)管道上的閥門，應(yīng)設(shè)檢查井室，以便于閥門的啟閉和調(diào)節(jié)。4.應(yīng)保證螺紋完整無損，并在螺紋上纏麻、抹鉛油或纏上聚四氟乙烯生料帶，旋扣時(shí)，需用扳手卡住擰入管子一端的六角閥體。5.安裝法蘭閥門時(shí)，注意沿對角線方向擰緊連接螺栓，擰動(dòng)時(shí)用力要均勻，以防墊片跑偏或引起閥體變形與損壞。6.閥門在安裝時(shí)應(yīng)保持關(guān)閉狀態(tài)。對靠墻較近的螺紋閥門，安裝時(shí)常需要卸去閥桿閥瓣和手輪，才能擰轉(zhuǎn)。在拆卸時(shí)應(yīng)在擰動(dòng)手輪使閥門保持開啟狀態(tài)后，再進(jìn)行拆卸。杭州閥門生產(chǎn)廠家</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3089169.html</p></div></div></div></div></div><div id="mxeqnz2" class="page-right twoColRt"><div id="rv2dubt" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="dn8olsz" 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) 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