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"index_article"><a href="http://www.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://www.cdcfah.com/zh/"><span>展會(huì)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="znurj7y" class="twoCol"><div id="zoqnz2y" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機(jī)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>?海原球閥哪里買甘肅誠(chéng)禹惠物資供應(yīng)</p><div id="8te7phb" class="leftbox clearfix"><h1>海原球閥哪里買甘肅誠(chéng)禹惠物資供應(yīng)</h1><div id="jtvpl3m" class="proBig"><div id="t7ta3qv" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/gscyhwz/637318945414521484/1013844.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8egys4q" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/gscyhwz/637318945414521484/1013844.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="l3zgi9t" 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>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>海原球閥哪里買,球閥</p><p><span>***更新：</span>2021-01-09 09:13:05</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="a3new9j" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">甘肅誠(chéng)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(jī): </span>0931-7840458</p><p><span>地址: </span>北濱河西路1226之27號(hào)(立達(dá)建材城A區(qū)11棟104室)</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="fe2z7wd" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="2fmjvpd" class="box"><p><p> <span style="font-size:16px;"></span><span style="font-size:16px;">球閥的安裝1、球閥的任何一段都可安裝在上游端，手柄球閥可以安裝在管線的任何位置，如果配置執(zhí)行機(jī)構(gòu)(如齒輪箱、電-氣動(dòng)執(zhí)行器)的球閥，則必須垂直安裝，閥門進(jìn)出口處在水平位置上。2、球閥法蘭與管線法蘭間按管路設(shè)計(jì)要求裝上密封墊。3、法蘭上的螺栓需對(duì)稱、逐次、均勻擰緊。4、如果球閥采取氣動(dòng)、電動(dòng)等執(zhí)行器時(shí)，按說(shuō)明書完成氣源、電源的安裝。球閥安裝后的檢查只有卸除球閥前后的壓力，才能對(duì)球閥進(jìn)行拆卸分解操作。2、在對(duì)球閥的分解與再裝配過(guò)程，需要對(duì)有密封性零部件的保護(hù)，特別是非金屬零部件，海原球閥哪里買，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(shí)螺栓必須對(duì)稱、逐步、均勻地?cái)Q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?xì)?等均相容。工作介質(zhì)為燃?xì)鈺r(shí)，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。1、安裝完畢后，啟動(dòng)球閥開、關(guān)數(shù)次，應(yīng)該動(dòng)作靈活，海原球閥哪里買，海原球閥哪里買，受力均勻，球閥工作正常。2、根據(jù)管道壓力設(shè)計(jì)要求，通壓后檢測(cè)球閥與管道法蘭結(jié)合面的密封性能。</span> 球閥的球體是彈性的。海原球閥哪里買</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海原球閥哪里買,球閥" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637318945414521484/1013844.png"></div><p> <span style="font-size:16px;">球閥的性能原理①球閥性能出色，擁有流體阻力小(全通徑流道閥體阻力系數(shù)幾乎與管道相同、不會(huì)造成壓力損失)。②結(jié)構(gòu)簡(jiǎn)約，閥體對(duì)稱、體積小、可雙向流動(dòng)、雙向密封。③密封可靠(尤其是閥座密封面采用非金屬材料時(shí))④操作方便、啟閉迅速、轉(zhuǎn)動(dòng)90度即可完成閥門的啟閉，便于遠(yuǎn)距離控制。⑤維修方便，閥座密封圈一般都是活動(dòng)的，拆換方便，如果采用上裝式結(jié)構(gòu)，可在線更換。⑥閥門在全開或者全關(guān)位置，密封副與介質(zhì)完全隔離，高速通過(guò)的介質(zhì)不會(huì)沖蝕密封副。⑦球體在啟閉時(shí)是旋轉(zhuǎn)擦拭的過(guò)程，所以多數(shù)結(jié)構(gòu)的球閥可以用于帶懸浮固體顆粒的介質(zhì)，選用合適的耐磨的閥座密封材料，也可用于粉狀介質(zhì)。⑧直通式球閥用作切斷用，使用***、三通、四通等球閥用于分配介質(zhì)和改變介質(zhì)流向、V型可做節(jié)流用。⑨全通徑球閥全開式易于清掃球通過(guò)清掃管線，在石油，天然氣管道中***使用。⑩適用范圍廣、工作壓力從真空至高壓，公稱直徑DN8~3000，工作溫度為-254~815攝氏度。</span> 海原球閥哪里買成品油的輸送管線和貯存設(shè)備，選用法蘭連接的球閥。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海原球閥哪里買,球閥" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637318945488847656/532918.png"></div><p> <span style="font-size:16px;">選用球閥應(yīng)遵循的原則：⑴球閥的流阻小，其通道幾乎與管道相等，故適合于對(duì)流阻比較敏感的介質(zhì)工況;⑵閥門的重量重，價(jià)格也比較高，而且閥門尺寸越大，此特點(diǎn)越明顯，所以大尺寸情況下選用球閥時(shí)，應(yīng)考慮經(jīng)濟(jì)性;⑶對(duì)于小口徑閥門，雖然軟密封球閥價(jià)格會(huì)比較便宜，但受溫度和壓力的限制，高溫高壓時(shí)不能使用;⑷固定球閥有密閉閥腔，當(dāng)用于低溫介質(zhì)工況或可能發(fā)生氣化的介質(zhì)工況條件下要有泄放裝置，或改用截止閥、蝶閥等;⑸適合用于有通球要求的管路切斷;⑹可以做襯里;⑺適宜用于壓力脈動(dòng)介質(zhì)工況和可能產(chǎn)生汽蝕的介質(zhì)工況;適宜用于高壓氧氣工況;適宜用于可能產(chǎn)生沖刷或沖刷腐蝕的介質(zhì)工況;⑻適用于多通道結(jié)構(gòu)，即一個(gè)閥門可以獲得2-4個(gè)不同的通道，可減少閥門的用量。</span> </p><p> <span style="font-size:16px;">球閥的球體是固定的，受壓后不產(chǎn)生移動(dòng)。固定球閥都帶有浮動(dòng)閥座，受介質(zhì)壓力后，閥座產(chǎn)生移動(dòng)，使密封圈緊壓在球體上，以保證密封。通常在與球體的上、下軸上裝有軸承，操作扭距小，適用于高壓和大口徑的閥門。為了減少球閥的操作扭矩和增加密封的可靠程度，近年來(lái)又出現(xiàn)了油封球閥，既在密封面間壓注特制的潤(rùn)滑油，以形成一層油膜，即增強(qiáng)了密封性，又減少了操作扭矩，更適用高壓大口徑的球閥。球閥的球體是彈性的。球體和閥座密封圈都采用金屬材料制造，密封比壓很大，依靠介質(zhì)本身的壓力已達(dá)不到密封的要求，必須施加外力。這種閥門適用于高溫高壓介質(zhì)。彈性球體是在球體內(nèi)壁的下端開一條彈性槽，而獲得彈性。當(dāng)關(guān)閉通道時(shí)，用閥桿的楔形頭使球體漲開與閥座壓緊達(dá)到密封。在轉(zhuǎn)動(dòng)球體之前先松開楔形頭，球體隨之恢復(fù)原原形，使球體與閥座之間出現(xiàn)很小的間隙，可以減少密封面的摩擦和操作扭矩。</span> 閥體對(duì)稱，尤其是焊接閥體結(jié)構(gòu)，能很好地承受來(lái)自管道的應(yīng)力;</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海原球閥哪里買,球閥" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637318945336777343/4499907.png"></div><p> <span style="font-size:16px;">球閥適用場(chǎng)合由于球閥通常用橡膠、尼龍和聚四氟乙烯作為閥座密封圈材料，因此它的使用溫度受到閥座密封圈材料的限制。球閥的截止作用是靠金屬球體在介質(zhì)的作用下，于塑料閥座之間相互壓緊來(lái)完成的（浮動(dòng)球球閥）。閥座密封圈在一定的接觸壓力作用下，局部地區(qū)發(fā)生彈塑變形。這一變形可以補(bǔ)償球體的制造精度和表面粗糙度，保證球閥的密封性能。又由于球閥的閥座密封圈通常采用塑料制成，故在選擇球閥的結(jié)構(gòu)和性能上，要考慮球閥的耐火和防火，特別是在石油、化工、冶金等部門，在易燃、易爆介質(zhì)的設(shè)備和管路系統(tǒng)中使用球閥，更應(yīng)注意耐火和防火。通常，在雙位調(diào)節(jié)、密封性能嚴(yán)格、泥漿、磨損、縮口通道、啟閉動(dòng)作迅速（1/4轉(zhuǎn)啟閉）、高壓截止（壓差大）、低噪聲、有氣穴和氣化現(xiàn)象、向大</span><span style="font-size:16px;">氣少量滲漏，操作力矩小、流體阻力小的管路系統(tǒng)中，推薦使用球閥。</span> 城市煤氣和天然氣的管路上，選用法蘭連接和內(nèi)螺紋連接的浮動(dòng)球閥。吳忠球閥報(bào)價(jià)</p><p style="text-indent:25px">根據(jù)管道壓力設(shè)計(jì)要求，通壓后檢測(cè)球閥與管道法蘭結(jié)合面的密封性能。海原球閥哪里買</p><p> <span style="font-size:16px;">球閥是由閥體和閥座構(gòu)成，雙倍運(yùn)動(dòng)閥座是當(dāng)中腔壓力大于出口壓力時(shí)，使閥座壓緊球體，密封圈產(chǎn)生彈塑性變形實(shí)現(xiàn)密封。該閥使用時(shí)，一旦上游密封意外失效產(chǎn)生泄漏，下游閥座實(shí)現(xiàn)密封。雙級(jí)密封式閥座對(duì)于承受較大密封力的采用橡膠和塑料組合密封結(jié)構(gòu)，橡膠主要起密封作用，塑料起支承和輔助密封雙重作用。內(nèi)調(diào)節(jié)式閥座是閥座與球體之間的密封比壓靠?jī)?nèi)調(diào)整螺母調(diào)節(jié)，其優(yōu)點(diǎn)是沒有向外的泄漏點(diǎn)。外調(diào)節(jié)式閥座是閥座與球體之間的密封比壓靠外部調(diào)節(jié)螺塞壓緊楔塊使伸縮套產(chǎn)生位移進(jìn)行調(diào)整。波紋管式閥座一般采用電子束焊或氬弧焊與閥座和導(dǎo)向套相連。設(shè)計(jì)時(shí)，應(yīng)保證閥座密封中心小于波紋管中徑，此結(jié)構(gòu)具有密封性可靠，彈性補(bǔ)償范圍大，三維空間靈活的特點(diǎn)。</span> 海原球閥哪里買</p><p style="text-indent:25px">甘肅誠(chéng)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(jī)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(jī)械、石化機(jī)械、家用電器、機(jī)械設(shè)備、機(jī)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(xiǎn)化學(xué)品、易制毒化學(xué)品、監(jiān)控化學(xué)品）的批發(fā)、零售的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠(chéng)實(shí)可信的企業(yè)。甘肅誠(chéng)禹惠物資作為閥門及配件、水泵、水暖器材、五金交電、機(jī)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(jī)械、石化機(jī)械、家用電器、機(jī)械設(shè)備、機(jī)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(xiǎn)化學(xué)品、易制毒化學(xué)品、監(jiān)控化學(xué)品）的批發(fā)、零售的企業(yè)之一，為客戶提供良好的誠(chéng)禹惠閥門，球閥批發(fā)，閥門批發(fā)，蝶閥批發(fā)。甘肅誠(chéng)禹惠物資繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長(zhǎng)，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。甘肅誠(chéng)禹惠物資始終關(guān)注機(jī)械及行業(yè)設(shè)備行業(yè)。滿足市場(chǎng)需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來(lái)源地址: 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