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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(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_famenti/">閥門</a>?<a href="http://www.cdcfah.com/cp/third-famenti_qiufady/">球閥</a>?景泰球閥哪里買甘肅誠禹惠物資供應(yīng)</p><div id="vjrpfdb" class="leftbox clearfix"><h1>景泰球閥哪里買甘肅誠禹惠物資供應(yīng)</h1><div id="b9jhh97" class="proBig"><div id="h7jb7nv" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/gscyhwz/637318945522392578/7763092.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="nltbjp7" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/gscyhwz/637318945522392578/7763092.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="7z9z9lb" 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(guān)鍵詞：</span>景泰球閥哪里買,球閥</p><p><span>***更新：</span>2020-12-27 03:12:03</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="thxvd7x" 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="rpfdlrv" class="page-proshow02"><p class="title">詳細說明</p><div id="nb7fvlr" class="box"><p><p> <span style="font-size:16px;">球閥適用于低溫、高壓、粘度大的介質(zhì)。大多數(shù)球閥可用于帶懸浮固體顆粒的介質(zhì)中，依據(jù)密封的材料要求也可用于粉狀和顆粒狀的介質(zhì)；全通道球閥不適用于流量調(diào)節(jié)，但適用于要求快速啟閉的場合，便于實現(xiàn)事故緊急切斷；通常在密封性能嚴格、磨損、縮口通道、啟閉動作迅速、高壓截止（壓差大）、低噪音、有氣化現(xiàn)象、操作力矩小、流體阻力小的管路中，推薦使用球閥；球閥適用于輕型結(jié)構(gòu)、低壓截止、腐蝕性介質(zhì)中；球閥還是低溫、深冷介質(zhì)的**理想閥門，低溫介質(zhì)的管路系統(tǒng)和裝置上，宜選用加上閥蓋的低溫球閥；選用浮動球球閥時其閥座材料應(yīng)承接球體和工作介質(zhì)的載荷，大口徑的球閥在操作時需要較大的力，DN≥200mm的球閥應(yīng)選用蝸輪傳動形式；固定球球閥適用于較大口徑及壓力較高的場合；</span><span style="font-size:16px;">另外，用于工藝劇毒物料，景泰球閥哪里買，景泰球閥哪里買、可燃介質(zhì)管道的球閥，應(yīng)具有防火，景泰球閥哪里買、防靜電結(jié)構(gòu)。</span> 球閥的球體是彈性的。景泰球閥哪里買</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="景泰球閥哪里買,球閥" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637318945522392578/7763092.png"></div><p> <span style="font-size:16px;">安裝1、把閥裝上管線。閥的任何一端都可裝在上游端。用手柄驅(qū)動的閥可安裝在管道上的任意位置。但帶有齒輪箱或氣動驅(qū)動器的球閥應(yīng)直立安裝，即安裝在水平管道上，且驅(qū)動裝置處于管道上方。2、閥法蘭與管線法蘭間按管路設(shè)計要求裝上密封墊。3、法蘭上的螺栓需對稱、逐次、均勻擰緊。4、連接氣動管線（采用氣動驅(qū)動器時）。必須先查明球閥上、下游管道確已卸除壓力后，才能進行拆卸分解操作。分解及再裝配時必須小心防止損傷零件的密封面，特別是非金屬零件，取出O型圈時宜使用**工具。裝配時法蘭上的螺栓必須對稱、逐步、均勻地擰緊。清洗劑應(yīng)與球閥中的橡膠件、塑料件、金屬件及工作介質(zhì)（例如燃氣）等均相容。工作介質(zhì)為燃氣時，可用汽油(GB484-89)清洗金屬零件。非金屬零件用純凈水或酒精清洗。分解下來的單個零件可以用浸洗方式清洗。尚留有未分解下來的非金屬件的金屬件可采用干凈的細潔的浸漬有清洗劑的綢布（為避免纖維脫落粘附在零件上）</span><span style="font-size:16px;">擦</span><span style="font-size:16px;">洗。清洗時須去除一切粘附在壁面上的油脂、污垢、積膠、灰塵等。</span> 景泰球閥哪里買球閥閥體重新裝配時螺栓必須對稱、逐步、均勻地擰緊。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="景泰球閥哪里買,球閥" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637318945377773437/4769067.png"></div><p> <span style="font-size:16px;">球閥的維修1、只有卸除球閥前后的壓力，才能對球閥進行拆卸分解操作。2、在對球閥的分解與再裝配過程，需要對有密封性零部件的保護，特別是非金屬零部件，像O型圈等部件比較好使用**的工具。3、球閥閥體重新裝配時螺栓必須對稱、逐步、均勻地擰緊。4、清洗劑應(yīng)與球閥中的橡膠件、塑料件、金屬件及工作介質(zhì)(例如燃氣)等均相容。工作介質(zhì)為燃氣時，可用汽油(GB484-89)清洗金屬零件。非金屬零件用純凈水或酒精清洗。5、分解下來的單個零件可以用浸洗方式清洗。尚留有未分解下來的非金屬件的金屬件可采用干轉(zhuǎn)子泵凈的細潔的浸漬有清洗劑的綢布(為避免纖維脫落粘附在零件上)擦洗。清洗時須去除一切粘附在壁面上的油脂、污垢、積膠、灰塵等。6、非金屬零件清洗后應(yīng)立即從清洗劑中取出，不得長時間浸泡。7、清洗后需待被洗壁面清洗劑揮發(fā)后(可用未浸清洗劑的綢布擦)進行裝配，但不得長時間擱置，否則會生銹、被灰塵污染。8、新零件在裝配前也需清洗干凈。9、使用潤滑脂潤滑。潤滑脂應(yīng)與球閥金屬材料、橡膠件、塑料件及工作介質(zhì)均相容。工作介質(zhì)為燃氣時，可用例如特221潤滑脂。在密封件安裝槽的表面上涂一薄層潤滑脂，在橡膠密封</span><span style="font-size:16px;">件上涂一薄層潤滑脂。</span> </p><p> <span style="font-size:16px;">普通閥座的特點是在預(yù)緊力或流體壓力作用下閥座與球體壓緊，并使閥座材料產(chǎn)生彈塑性變形而達到密封，其密封效果取決于閥座在流體壓力或預(yù)緊力的作用下補償球體圓度和表面微觀不平度的能力。因此，閥座與球體之間必須具有足夠大的密封比壓。彈性閥座借助于彈性元件，如金屬彈簧架和彈簧等，在預(yù)緊力或流體壓力下產(chǎn)生彈性變形，以補償溫差、壓力和磨損等外界條件變化對球體密封性能的影響。彈簧組合式閥座是沿閥門通道橫向截面圓周均布一組壓縮彈簧或*用一只碟型彈簧的推力，始終保持閥座壓緊球體而達到預(yù)緊狀態(tài)。活塞式閥座是依靠進口介質(zhì)壓力產(chǎn)生密封力，閥座被推動壓緊球體，密封圈產(chǎn)生彈塑性變形實現(xiàn)密封。截斷泄放閥座在閥腔內(nèi)的壓力異常升高到大于下游端壓力時，形成的壓差作用產(chǎn)生向外推</span><span style="font-size:16px;">力，克服彈簧力使閥座與球體脫離，實現(xiàn)閥腔的壓力向下游排放，之后在彈簧的作用下，閥座重新與球體貼合。</span> 球閥也適用于輕型結(jié)構(gòu)、低壓截止（壓差?。?、腐蝕性介質(zhì)的管路系統(tǒng)中。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="景泰球閥哪里買,球閥" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637318945242597656/2863378.png"></div><p> <span style="font-size:16px;">球閥不適用于節(jié)流。當它處于半開位置時，通過球體與閥座間隙的流體速度非常快，這會造成球體和閥座損壞，導(dǎo)致閥門內(nèi)漏，使閥門無法密封，這一點與旋塞閥非常相似。同樣地，球閥也不能應(yīng)用于高溫條件，因為在高溫下球閥的閥座會受熱發(fā)生塑性變形，使球體與閥座間產(chǎn)生空隙，導(dǎo)致內(nèi)漏。球閥的一大優(yōu)點是閥門全開時通過閥門的流體壓降很小，幾乎不受阻礙。球閥可以分為文丘里閥、縮徑球閥和全通徑球閥三種，其中全通徑球閥的流道尺寸與管道內(nèi)徑相同，通過閥門的流體壓降非常小。球閥結(jié)構(gòu)簡單，價格也較為低廉，維修費用低且無需潤滑。球閥還有一個優(yōu)點是球體對閥座的密封非常好，通常不會發(fā)生內(nèi)漏。球閥頂部與閥桿的連接處通常是矩形的，這可以讓我們在不造成球體變形的情況下施加較大的力矩，對閥門的開閉進行控制。</span> 球閥只需要用旋轉(zhuǎn)90度的操作和很小的轉(zhuǎn)動力矩就能關(guān)閉嚴密。景泰球閥哪里買</p><p style="text-indent:25px">球閥在管路中主要用來做切斷、分配和改變介質(zhì)的流動方向。景泰球閥哪里買</p><p> <span style="font-size:16px;">球閥只需要用旋轉(zhuǎn)90度的操作和很小的轉(zhuǎn)動力矩就能關(guān)閉嚴密。完全平等的閥體內(nèi)腔為介質(zhì)提供了阻力很小、直通的流道。通常認為球閥適宜直接做開閉使用，但近來的發(fā)展已將球閥設(shè)計成使它具有節(jié)流和控制流量之用。在各行業(yè)得到的應(yīng)用。球閥閥體可以是整體的，也可以是組合式的。球閥的分類：球閥按結(jié)構(gòu)形式可分為：浮動球閥、固定球閥、彈性球閥和油封球閥；按通道可分為直能式球閥、角式球閥和三通式球閥等，三通式又可分為T形和L形兩種。按連接方工可分為螺紋式連接球閥、法蘭連接球閥和焊接式球閥三種。球閥的球體是浮動的，在介質(zhì)壓力作用下，球體能產(chǎn)生一定的位移并緊壓在出口端的密封面上，保證出口端密封。浮動球閥的結(jié)構(gòu)簡單，密封性好，但球體承受工作介質(zhì)的載荷全部傳給了出口密封圈，因此要考慮密封圈材料能否經(jīng)受得住球體介質(zhì)的工作載荷，在受到較高壓力沖擊時，球體可能會發(fā)生偏移。這種結(jié)構(gòu)，一般用于中低壓球閥。</span> 景泰球閥哪里買</p><p style="text-indent:25px">甘肅誠禹惠物資有限公司是一家閥門及配件、水泵、水暖器材、五金交電、機械設(shè)備、建筑材料、管道管材管件、電子產(chǎn)品（不含衛(wèi)星地面接收設(shè)施）、塑料制品、辦公用品、勞保用品、金屬制品及材料、消防器材、五金工具、成套設(shè)備、電線電纜、冶金機械、石化機械、家用電器、機械設(shè)備、機電設(shè)備及配件、保溫材料、裝潢材料、玻璃儀器、燈具、化工產(chǎn)品（不含危險化學品、易制毒化學品、監(jiān)控化學品）的批發(fā)、零售的公司，是一家集研發(fā)、設(shè)計、生產(chǎn)和銷售為一體的專業(yè)化公司。甘肅誠禹惠物***耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的誠禹惠閥門，球閥批發(fā)，閥門批發(fā)，蝶閥批發(fā)。甘肅誠禹惠物資始終以本分踏實的精神和必勝的信念，影響并帶動團隊取得成功。甘肅誠禹惠物資始終關(guān)注機械及行業(yè)設(shè)備行業(yè)。滿足市場需求，提高產(chǎn)品價值，是我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2578801.html</p></div></div></div></div></div><div id="7hx77vl" class="page-right twoColRt"><div id="r7tb9r9" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ljzpndl" 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配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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