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content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u id="qgqbi"></u><noframes 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href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="yceimta" class="twoCol"><div id="piafh3t" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機械及行業(yè)設備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_famenti/">閥門</a>?<a href="http://www.cdcfah.com/cp/third-famenti_qitafamenbd/">其他閥門</a>?誠禹惠閥門發(fā)貨快不快甘肅誠禹惠物資供應</p><div id="lkmjlnf" class="leftbox clearfix"><h1>誠禹惠閥門發(fā)貨快不快甘肅誠禹惠物資供應</h1><div id="gace7ak" class="proBig"><div id="3divx8l" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/gscyhwz/637323277114062500/8170327.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3y2dvhj" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/gscyhwz/637323277114062500/8170327.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="bacz77i" 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>甘肅省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>誠禹惠閥門發(fā)貨快不快,閥門</p><p><span>***更新：</span>2021-02-02 09:11:45</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="3nfh847" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">甘肅誠禹惠物資有限公司</a></p><p><span>聯(lián)系人：</span>楊和平</p><p><span>郵箱: </span>349134533@qq.com</p><p><span>電話: </span>18294448288</p><p><span>傳真: </span>0931_</p><p><span>網(wǎng)址: </span>http://www.gscyhwz.com</p><p><span>手機: </span>0931-7840458</p><p><span>地址: </span>北濱河西路1226之27號(立達建材城A區(qū)11棟104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="n293ln3" class="page-proshow02"><p class="title">詳細說明</p><div id="3newnfw" class="box"><p><p> <span style="font-size:16px;">有的閥門，除了必要的保護設施外，還要有旁路和儀表。安裝了旁路。便于疏水閥檢修。其他閥門，也有安裝旁路的。是否安裝旁路，要看閥門狀況，重要性和生產(chǎn)上的要求而定。填料更換庫存閥門，有的填料已不好使，有的與使用介質(zhì)不符，這就需要換填料。閥門制作廠無法考慮使用單位千門萬類的不同介質(zhì)，填料函內(nèi)總是裝填普通盤根，但使用時，必須讓填料于介質(zhì)相適應。在更換填料時，要一圈一圈地壓入。每圈接縫以45度為宜，圈與圈接開180度。填料高度要考慮壓蓋繼續(xù)壓緊的余地，現(xiàn)時又要讓壓蓋下部壓填料室適當深度，此深度一般可為填料室總深度的10-20%。對于要求高的閥門，接縫角度為30度。圈與圈之間接縫錯開120度。除上述填料之外，還可根據(jù)具體情況，誠禹惠閥門發(fā)貨快不快，采用橡膠O形環(huán)（天然橡膠耐60攝氏度以下弱堿，誠禹惠閥門發(fā)貨快不快，誠禹惠閥門發(fā)貨快不快，丁晴橡膠耐80攝氏度以下油晶，氟橡膠耐150攝氏度以下多種腐蝕介質(zhì)）三件疊式聚四氟乙烯圈（耐200攝氏度以下強腐蝕介質(zhì)）尼龍碗狀圈（耐120攝氏度一下氨</span><span style="font-size:16px;">、堿）等成形填料。</span> 關閉后的密閉性能要求嚴密時，宜選用有關閉彈簧的止回閥。誠禹惠閥門發(fā)貨快不快</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="誠禹惠閥門發(fā)貨快不快,閥門" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637323277114062500/8170327.png"></div><p> <span style="font-size:16px;">閥門設置的其它要求平行布置管道上的閥門，其中心線應盡量取齊，閥門相鄰布置時，手輪間的凈距不應小于100mm；閥門也可錯開布置，以減少管道間距。工藝上要求與設備管口相連接的閥門，當公稱直徑、公稱壓力、密封面型式等與設備管口法蘭相同或相配時，應當直接與設備管口相連接。當閥門上是凹面法蘭時，要提請設備專業(yè)在相應的管口配置凸面法蘭。除工藝有特殊要求外，塔、反應器、立式容器等設備底部管道上的閥門，不得布置在裙座內(nèi)。從干管上引出支管時，其切斷閥應設在靠近干管根部的支管水平段上，以便流體向閥門兩側(cè)排凈。管廊上的支管切斷閥不經(jīng)常操作（*在停車檢修時用），若沒有設長久性梯子時，應考慮留出使用臨時梯子的空間位置。高壓閥門開啟時啟動力大，必須設置支架以</span><span style="font-size:16px;">支承閥門和減少啟動應力，其安裝高度以500～1200mm為宜。裝置界區(qū)的消防水閥、消防蒸汽閥等應分散布置，且在發(fā)生事故時操作人員易接近的安全地帶。加熱爐滅火蒸汽分配管的閥組應便于操作，分配管距爐體不宜小于。管道上安裝螺紋連接的閥門時，在閥門附近必須安裝活接頭，以便拆卸。對夾式閥門或蝶閥不得與其他閥門和管件的法蘭直接連接，中間應加一段兩端帶法蘭的短管。</span> 誠禹惠閥門發(fā)貨快不快閥門進、出口端面之間的距離；或進口端面至出口軸線的距離。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="誠禹惠閥門發(fā)貨快不快,閥門" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637323278915263672/1417426.png"></div><p> <span style="font-size:16px;">大型閥門的設置要求大型閥門的操作應使用帶齒輪傳動機構(gòu)，設置時應考慮傳動機構(gòu)所需空間位置。通常，閥門的尺寸大于下列等級的尺寸應考慮使用帶齒輪傳動機構(gòu)的閥門。大型閥門應在閥門的一側(cè)或兩側(cè)設置支架，該支架不應設在檢修時需要拆卸的短管上，并考慮拆下閥門時不應影響管道的支承。一般支架與閥門法蘭的距離應大于300mm。大型閥門的安裝位置要有使用吊車的場地，或考慮設吊柱、吊梁。4水平管道上閥門的設置要求除工藝另有特殊要求外，一般水平管道上安裝的閥門手輪不得朝下，尤其是危險介質(zhì)管道上的閥門嚴禁手輪朝下。閥門手輪的方位按下列順序確定：垂直向上；水平；垂直向上的左、右傾斜45°；垂直向下的左、右傾斜45°；不得垂直向下。水平安裝的明桿式閥門，當閥門開啟時，閥</span><span style="font-size:16px;">桿不得影響通行，特別是閥桿位于操作人員的頭部或膝部時更要注意。</span> </p><p> <span style="font-size:16px;">閥門的布置原則閥門應根據(jù)管道及儀表流程圖（PID）上所示類型及數(shù)量設置。當PID對某些閥門的安裝位置有具體要求時，應按工藝要求設置。閥門應布置在容易接近、便于操作、維修的地方。成排管道上的閥門應集中布置，并考慮設置操作平臺或梯子。2閥門的安裝位置要求進出裝置的管廊管道在與全廠管廊上的主管相接時，均須設置切斷用閥門。閥門的安裝位置應集中布置在裝置區(qū)一側(cè)，并設置必要的操作平臺或檢修平臺。需要經(jīng)常操作、維修和更換的閥門，應位于地面、平臺或梯子容易接近處。氣動和電動閥也同樣應布置在容易接近處。不需要經(jīng)常操作的閥門（只在開停車時使用），如果在地面上無法操作時，也應布置在能架設臨時梯子的地方。閥門手輪的中心距操作面的高度為750～1500mm之間，適宜的高度為1200mm，不需要經(jīng)常操作的閥門安裝高度可達1500～1800mm。當安裝高度無法降低且又需要經(jīng)常操作時，設計時應設置操作平臺或踏步。危險介質(zhì)的管道和設備上的閥門，不得在人的頭部高度范圍內(nèi)設置。閥門手輪的中心距操作面的高度超過1800mm時，宜設置鏈輪操作，鏈輪的鏈距地面宜為800mm左右，并應設鏈輪掛鉤，</span><span style="font-size:16px;">將鏈子下端掛在附近的墻上或柱子上，以免影響通道的通行設置在管溝內(nèi)的閥門。</span> 閥門的密封性能是指閥門各密封部位阻止介質(zhì)泄漏的能力，它是閥門重要的技術(shù)性能指標。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="誠禹惠閥門發(fā)貨快不快,閥門" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637323279872753906/3358147.png"></div><p> <span style="font-size:16px;">閥門的安裝應按照閥門使用說明書和有關規(guī)定進行。施工過程中要認真檢查，精心施工。閥門安裝前，應試壓合格后才進行安裝，仔細檢查閥門的規(guī)格、型號是否與圖紙相符，檢查閥門各零件是否完好，啟閉閥門是否轉(zhuǎn)動靈活自如，密封面有無損傷等，確認無誤后，即可進行安裝。閥門安裝時，閥門的操作機構(gòu)離操作地面宜在，將與胸口相齊。當閥門的中心與手輪離操作地面超過，應對操作較多的閥門和安全閥設置操作平臺。閥門較多的管道，閥門盡量集中在平臺上，以便操作。對超過，可采用鏈輪、延伸桿、活動平臺以及活動梯等設備。當閥門安裝在操作面以下</span><span style="font-size:16px;">時，應設置伸長桿，地閥應設置地井，為安全起見，地井應加蓋。</span> 不需要經(jīng)常操作的閥門（只在開停車時使用），如果在地面上無法操作時，也應布置在能架設臨時梯子的地方。誠禹惠閥門發(fā)貨快不快</p><p style="text-indent:25px">口徑較大的水泵出水管上宜采用多功能閥。誠禹惠閥門發(fā)貨快不快</p><p><span style="font-size:16px;">閥門總的可分兩大類：自動閥門：依靠介質(zhì)本身的能力而自行動作的閥門。如止回閥、安全閥、調(diào)節(jié)閥、疏水閥、減壓閥等。第二類驅(qū)動閥門：借助手動、電動、液動、氣動來操縱動作的閥門。如閘閥，截止閥、節(jié)流閥、蝶閥、球閥、旋塞閥等。根據(jù)關閉件相對于閥座移動的方向：1.截門形:關閉件沿著閥座中心移動；2.閘門形:關閉件沿著垂直閥座中心移動；3.旋塞和球形:關閉件是柱塞或球，圍繞本身的中心線旋轉(zhuǎn)；4.旋啟形:關閉件圍繞閥座外的軸旋轉(zhuǎn)；5.碟形:關閉件的圓盤，圍繞閥座內(nèi)的軸旋轉(zhuǎn)；6.滑閥形:關閉件在垂直于通道的方向滑動。根據(jù)閥門的不同用途可分：1.開斷用：用來接通或切斷管路介質(zhì)，如截止閥、閘閥、球閥、蝶閥等。2.止回用：用來防止介質(zhì)倒流，如止回閥。3.調(diào)節(jié)用：用來調(diào)節(jié)介質(zhì)的壓力和流量，如調(diào)節(jié)閥、減壓閥。4.分配用：用來改變介質(zhì)流向、分配介質(zhì)，如三通旋塞、分配閥、滑閥等。5.安全閥：在介質(zhì)壓力超過規(guī)定值時用來排放多余的介</span><span style="font-size:16px;">質(zhì)，保證管路設備安全。6.其他特殊用途：如疏水閥、放空閥、排污閥等。</span>誠禹惠閥門發(fā)貨快不快</p><p style="text-indent:25px">甘肅誠禹惠物資有限公司致力于機械及行業(yè)設備，是一家服務型公司。公司業(yè)務涵蓋誠禹惠閥門，球閥批發(fā)，閥門批發(fā)，蝶閥批發(fā)等，價格合理，品質(zhì)有保證。公司將不斷增強企業(yè)重點競爭力，努力學習行業(yè)知識，遵守行業(yè)規(guī)范，植根于機械及行業(yè)設備行業(yè)的發(fā)展。甘肅誠禹惠物資憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務、眾多的成功案例積累起來的聲譽和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: 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