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id="ncews3e" class="leftbox clearfix"><h1>北京900lb美標(biāo)高壓止回閥生產(chǎn)廠家信息推薦浙江京州閥門制造供應(yīng)</h1><div id="bahebv7" class="proBig"><div id="bkmolsu" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jingzhou/637279448559589844/9647506.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="mgdv7mj" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jingzhou/637279448559589844/9647506.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="vpm73q3" 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>浙江省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>北京900lb美標(biāo)高壓止回閥生產(chǎn)廠家,止回閥</p><p><span>***更新：</span>2021-02-04 12:11:39</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="wfn49k3" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">浙江京州閥門制造有限公司</a></p><p><span>聯(lián)系人：</span>張和榮</p><p><span>郵箱: </span>maggiez@jcs-valve.com</p><p><span>電話: </span>15888733099</p><p><span>傳真: </span>0577_67351896</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0577-67359296</p><p><span>地址: </span>甌北街道五星工業(yè)區(qū)上玉路</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="o3yaxeq" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="j78prya" class="box"><p><p style="text-indent:25px">旋啟式止回閥的采用內(nèi)裝搖臂旋啟式結(jié)構(gòu)，閥門的所有啟閉件都裝于閥體內(nèi)部，不穿透閥體，除了中法蘭部位用密封墊片和密封環(huán)外，整體沒有外漏點，杜絕閥門外泄的可能。旋啟式止回閥搖臂和閥瓣連接處采用球面連接的結(jié)構(gòu)，使得閥瓣在360度范圍內(nèi)有一定的自由度，有適當(dāng)?shù)奈⒘课恢醚a償。旋啟式止回閥已被普遍應(yīng)用于化工、冶金，北京900lb美標(biāo)高壓止回閥生產(chǎn)廠家、制藥等多個領(lǐng)域。止回閥一般適用于清凈介質(zhì)，不宜用于含有固體顆粒和粘度較大的介質(zhì)。止回閥還可用于給其中的壓力可能升至超過系統(tǒng)壓的輔助系統(tǒng)提供補給的管路上，北京900lb美標(biāo)高壓止回閥生產(chǎn)廠家。止回閥主要可分為旋啟式止回閥（依重心旋轉(zhuǎn)）與升降式止回閥（沿軸線移動），北京900lb美標(biāo)高壓止回閥生產(chǎn)廠家。電站止回閥焊接連接的止回閥適用于公稱壓力PN20.0～32.0MPa。北京900lb美標(biāo)高壓止回閥生產(chǎn)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京900lb美標(biāo)高壓止回閥生產(chǎn)廠家,止回閥" src="https://tyunfile.71360.com/UploadFile/jingzhou/637279448559589844/9647506.png"></div><p style="text-indent:25px">蝶式止回閥：依閥瓣工作形式分為兩種：1、閥瓣沿著閥體垂直中心線滑動的止回閥，蝶式止回閥只能安裝在水平管道上，在高壓小口徑止回閥上閥瓣可采用圓球。蝶式止回閥的閥體形狀與截止閥一樣（可與截止閥通用），因此它的流體阻力系數(shù)較大。其結(jié)構(gòu)與截止閥相似，閥體和閥瓣與截止閥相同。閥瓣上部和閥蓋下部加工有導(dǎo)向套簡，閥瓣導(dǎo)向簡可在閥盞導(dǎo)向簡內(nèi)自由升降，當(dāng)介質(zhì)順流時，閥瓣靠介質(zhì)推力開啟，當(dāng)介質(zhì)停流時，閥瓣靠自垂降落在閥座上，起阻止介質(zhì)逆流作用。直通式蝶式止回閥介質(zhì)進出口通道方向與閥座通道方向垂直；立式升降式止回閥，其介質(zhì)進出口通道方向與閥座通道方向相同，其流動阻力較直通式小；2、閥瓣圍繞閥座內(nèi)的銷軸旋轉(zhuǎn)的止回閥。蝶式止回閥結(jié)構(gòu)簡單，只能安裝在水平管道上，密封性較差。北京900lb美標(biāo)高壓止回閥生產(chǎn)廠家電站止回閥工作溫度-29～570℃的石油、化工、火力電站等各種工況的管路上。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京900lb美標(biāo)高壓止回閥生產(chǎn)廠家,止回閥" src="https://tyunfile.71360.com/UploadFile/jingzhou/637279448642070312/4975458.png"></div><p style="text-indent:25px">電站止回閥適用于Class1500～2500Lb、工作溫度-29～570℃的石油、化工、火力電站等各種工況的管路上。適用介質(zhì)為：水、油品、蒸汽等。電站止回閥的閥門中腔采用壓力自緊式密封結(jié)構(gòu)，內(nèi)腔壓力越高密封性能越好。支管兩端為對焊連接，適應(yīng)不同的接管要求。電站止回閥結(jié)構(gòu)特點 1.產(chǎn)品設(shè)計制造按ANSIB16.34、E101標(biāo)準(zhǔn)，可與進口設(shè)備配備使用。 2.閥門中腔采用壓力自緊式密封結(jié)構(gòu)，內(nèi)腔壓力越高密封性能越好。 3.支管兩端為對焊連接，適應(yīng)不同的接管要求。 4.閥門高溫耐壓部件選用質(zhì)量耐熱合金鋼制造，高溫性能好，承受壓力高，耐用、安全、可靠。 5.閥瓣、閥座的密封面采用鈷基硬質(zhì)合金堆焊而成，耐磨、耐高溫，抗擦傷性能好、使用壽命長。 6.閥瓣圍繞閥座外的銷軸旋轉(zhuǎn)，減少關(guān)閉時發(fā)生猛烈沖擊。 7.內(nèi)裝式的銷軸結(jié)構(gòu)，減小外泄漏點，使用更可靠。</p><p style="text-indent:25px">旋啟式止回閥原理是利用管道系統(tǒng)中介質(zhì)本身的流動產(chǎn)生的壓力作用而自動打開和關(guān)閉閥板的；用于管路系統(tǒng)，它的主要作用是快速關(guān)閉，及時遏止管道內(nèi)流體介質(zhì)回流，有效解決泵及其驅(qū)動電機機因反轉(zhuǎn)造成的故障；我廠生產(chǎn)的旋啟式止回閥另外還可用于補給壓力；如：給環(huán)保、化工等主系統(tǒng)壓力的輔助系統(tǒng)提供壓力補給；旋啟式止回閥規(guī)格參數(shù): 型號H44H-16C~250H44W-16P~250 工作壓力（MPa）1.6~25 適用溫度（℃）≤425≤550 適用介質(zhì)水、蒸汽、油品弱腐蝕性介質(zhì) 材料閥體、閥蓋、閥瓣碳素鋼鉻鎳鈦不銹鋼密封面碳鋼堆焊鐵基合金本體密封止回閥屬自動閥類，又稱逆止閥、單向閥、回流閥或隔離閥。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京900lb美標(biāo)高壓止回閥生產(chǎn)廠家,止回閥" src="https://tyunfile.71360.com/UploadFile/jingzhou/637279448519218750/3056674.png"></div><p style="text-indent:25px">電站止回閥：一：按材質(zhì)分類：（止回閥主體材質(zhì)）鑄鐵止回閥.不銹鋼止回閥.電站止回閥是能自動阻止流體倒流的閥門。止回閥的閥瓣在流體壓力作用下開啟，流體從進口側(cè)流向出口側(cè)。當(dāng)進口側(cè)壓力低于出口側(cè)時，閥瓣在流體壓差、本身重力等因素作用下自動關(guān)閉以防止流體倒流。止回閥一般分為升降式、旋啟式、蝶式及隔膜式等幾種類型。升降式止回閥的結(jié)構(gòu)一般與截止閥相似，其閥瓣沿著通道中以線作升降運動，動作可靠，但流體阻力較大，適用于輕小口徑的場合。升降式止回閥可直通式和立式兩種。直通式升降止回閥一般只能安裝在水平管路，而立式升降止回閥一般就安裝在垂直管路。旋啟式止回閥的閥瓣繞轉(zhuǎn)軸作旋轉(zhuǎn)運動。其流體阻力一般小于升降式止回閥，它適用于較大口徑的場合。旋啟式止回閥根據(jù)閥瓣的數(shù)目可分為單瓣旋啟式、雙瓣旋啟式及多瓣旋啟式三種。單瓣旋啟式止回閥一般適用于中等口徑的場合。大口徑管路選用單瓣旋啟式止回閥時，為減少水錘壓力，采用能減小水錘壓力的緩閉止回閥。雙瓣旋啟式止回閥適用于大中口徑管路。對夾雙瓣旋啟式止回閥結(jié)構(gòu)小、重量輕，是一種發(fā)展較快的止回閥；多瓣旋啟式止回閥適用于大口徑管路。電站止回閥安裝時注意介質(zhì)流動的方向應(yīng)與閥體所票箭頭方向一致。四川自密封電站止回閥</p><p style="text-indent:25px">美標(biāo)止回閥的搖桿銷軸采用內(nèi)裝式結(jié)構(gòu)，減少了外泄漏缺點。北京900lb美標(biāo)高壓止回閥生產(chǎn)廠家</p><p style="text-indent:25px">止回閥是指啟閉件為圓形閥瓣并靠自身重量及介質(zhì)壓力產(chǎn)生動作來阻斷介質(zhì)倒流的一種閥門。屬自動閥類，又稱逆止閥、單向閥、回流閥或隔離閥。閥瓣運動方式分為升降式和旋啟式。升降式止回閥與截止閥結(jié)構(gòu)類似，*缺少帶動閥瓣的閥桿。介質(zhì)從進口端(下側(cè)）流入，從出口端（上側(cè)）流出。當(dāng)進口壓力大于閥瓣重量及其流動阻力之和時，閥門被開啟。反之，介質(zhì)倒流時閥門則關(guān)閉。旋啟式止回閥有一個斜置并能繞軸旋轉(zhuǎn)的閥瓣，工作原理與升降式止回閥相似。止回閥常用作抽水裝置的底閥，可以阻止水的回流。止回閥與截止閥組合使用，可起到安全隔離的作用。缺點是阻力大，關(guān)閉時密封性差。北京900lb美標(biāo)高壓止回閥生產(chǎn)廠家</p><p style="text-indent:25px">浙江京州閥門制造有限公司致力于機械及行業(yè)設(shè)備，是一家生產(chǎn)型公司。公司業(yè)務(wù)分為刀閘閥，穿透式刀閘閥，礦漿閥，漿液閥等，目前不斷進行創(chuàng)新和服務(wù)改進，為客戶提供良好的產(chǎn)品和服務(wù)。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造機械及行業(yè)設(shè)備良好品牌。浙江京州閥門憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、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: http://www.cdcfah.com/cp/3160335.html</p></div></div></div></div></div><div id="vprlxew" class="page-right twoColRt"><div id="kzw9ikm" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="lv2vcev" class="recomPic likePro"><a 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