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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>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>寧波氣動(dòng)止回閥費(fèi)用,止回閥</p><p><span>***更新：</span>2020-11-08 02:13:24</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="e22nxz8" 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(jī): </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="masphyn" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="843p4jg" class="box"><p><p style="text-indent:25px">旋啟式止回閥選用于公稱壓力PN1.6～6，寧波氣動(dòng)止回閥費(fèi)用.4MPa,工作溫度-29～550℃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。結(jié)構(gòu)與特點(diǎn)： 1、選材考究，符合國內(nèi)、外相關(guān)標(biāo)準(zhǔn)，材料的質(zhì)量高。 2、密封副配對(duì)先進(jìn)合理，閥瓣、閥座密封面采用鐵基合金或鈷基硬質(zhì)合金堆焊面成，耐磨、耐高溫、耐腐蝕、抗擦傷性能好，使用壽命長(zhǎng)。 3、產(chǎn)品按國家標(biāo)準(zhǔn)GB/T12235設(shè)計(jì)制造。 4、可采用各種配管法蘭標(biāo)準(zhǔn)及法蘭密封型式，滿足各種工程需要及用戶要求。 5、閥體材料品種齊全，墊片可根據(jù)實(shí)際工況或用戶要求合理選配，寧波氣動(dòng)止回閥費(fèi)用，能適用于各種壓力、溫度及介質(zhì)工況。 6、可按用戶要求設(shè)計(jì)制造不同結(jié)構(gòu)形式和連接形式的止回閥，寧波氣動(dòng)止回閥費(fèi)用，為各種設(shè)備配套使用H41H升降式止回閥工作溫度 -29~+550℃的石油、化工、電力行業(yè)等各種工況的管路上。寧波氣動(dòng)止回閥費(fèi)用</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波氣動(dòng)止回閥費(fèi)用,止回閥" src="https://tyunfile.71360.com/UploadFile/jingzhou/637279448670810547/6992684.png"></div><p style="text-indent:25px">止回閥包括旋啟式止回閥和升降式止回閥。旋啟式止回閥有一介鉸鏈機(jī)構(gòu),還有一個(gè)像門一樣的閥瓣自由地靠在傾斜的閥座表面上。為了確保閥瓣每次都能到達(dá)閥座面的合適位置,閥瓣設(shè)計(jì)在鉸鏈機(jī)構(gòu),以便閥瓣具有足夠有旋啟空間,并使閥瓣真正的與閥座接觸。閥瓣可以全部用金屬制成,也可以在金屬上鑲嵌皮革、橡膠、或者采用合成覆蓋面,這取決于使用性能的要求。旋啟式止回閥在完全打開的狀況***體壓力幾乎不受阻礙,因此通過閥門的壓力降相對(duì)較小。升降式止回閥的閥瓣座落位于閥體上閥座密封面上。此閥門除了閥瓣可以自由地升降之外,其余部分如同截止閥一樣,流體壓力使閥瓣從閥座密封面上抬起,介質(zhì)回流導(dǎo)致閥瓣回落到閥座上,并切斷流動(dòng)。根據(jù)使用條件,閥瓣可以是全金屬結(jié)構(gòu),也可以是在閥瓣架上鑲嵌橡膠墊或橡膠環(huán)的形式。像截止閥一樣,流體通過升降式止回閥的通道也是狹窄的,因此通過升降式止回閥的壓力降比旋啟式止回閥大些,而且旋啟式止回閥的流量受到的限制很少。寧波氣動(dòng)止回閥費(fèi)用美標(biāo)止回閥采用木楔式彈性閘板結(jié)構(gòu)，中大口徑設(shè)置滾動(dòng)軸承，啟閉輕松。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波氣動(dòng)止回閥費(fèi)用,止回閥" src="https://tyunfile.71360.com/UploadFile/jingzhou/637279448549775391/1902283.png"></div><p style="text-indent:25px">止回閥是用來防止管道和設(shè)備中介質(zhì)倒流的一種閥門。汽輪機(jī)組中抽汽回?zé)嵯到y(tǒng)外置加熱器的各抽汽管上均設(shè)置抽汽止回閥其作用是在機(jī)組甩負(fù)荷時(shí)，閥板自動(dòng)關(guān)閉，防止加熱器汽側(cè)及進(jìn)汽管道中的蒸汽倒回汽輪機(jī)內(nèi)，引起汽輪機(jī)超速避免事故的發(fā)生。引進(jìn)型300MW機(jī)組配套的抽汽止回閥是氣控旋啟式止回閥。主要由閥體、閥板、軸、軸套等組成，氣控操縱座由活塞、氣缸體、門桿、彈簧等組成。電站止回閥的檢修前的準(zhǔn)備工作有以下內(nèi)容：在設(shè)備停役，保護(hù)及電源、氣源切斷后，將氣控操縱座的進(jìn)氣、出氣接頭松開，操縱座活塞桿與止回閥杠桿相連接的銷子拆除，并松開操縱座的固定螺栓后把操縱座拆下，定量擺放。然后，進(jìn)行下面的工作。</p><p style="text-indent:25px">高壓電站止回閥執(zhí)行標(biāo)準(zhǔn): 1．設(shè)計(jì)制造與驗(yàn)收按火力發(fā)電閥門標(biāo)準(zhǔn)ANSIB16.34　API6D　GB12236 E101和JB/T3595、DL/T531標(biāo)準(zhǔn)規(guī)定。 2、結(jié)構(gòu)長(zhǎng)度按E101、JB/T2766、GB/T15188.1 ANSIB16.10　GB12221標(biāo)準(zhǔn)規(guī)定或按用戶要求。 3、壓力-溫度等級(jí)按E101、JB/T3595 API598　GB9131 標(biāo)準(zhǔn)規(guī)定。 4、焊接坡口尺寸按GB12224、JB/T3595、ASME B16.25 ANSIB16.25標(biāo)準(zhǔn)規(guī)定或按用戶配管尺寸要求高壓升降式止回閥結(jié)構(gòu)特點(diǎn): 1、閥瓣整體淬火，并能在閥體上下移動(dòng)，介質(zhì)倒流時(shí)，借介質(zhì)壓力和彈簧自動(dòng)閥瓣關(guān)閉。 2、閥體、閥蓋均為模鍛件。 3、閥座上的密封面采用鈷基硬質(zhì)合金等離子噴焊面成。耐磨、抗擦傷性能好。 4、止回閥應(yīng)安裝在水平管道上介質(zhì)流向從下往上流（正流）。電站止回閥介質(zhì)倒流的原因有1、密封面破壞；2、夾入雜質(zhì)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波氣動(dòng)止回閥費(fèi)用,止回閥" src="https://tyunfile.71360.com/UploadFile/jingzhou/637279448570732422/803817.png"></div><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(dòng)產(chǎn)生的壓力作用而自動(dòng)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(shí)遏止管道內(nèi)流體介質(zhì)回流，有效解決泵及其驅(qū)動(dòng)電機(jī)機(jī)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(bǔ)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(bǔ)給；旋啟式止回閥規(guī)格參數(shù): 型號(hào)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國標(biāo)止回閥瓣沿著閥體垂直中心線滑動(dòng)的止回閥，在高壓小口徑止回閥上閥瓣可采用圓球。徐州鍛造旋啟止回閥價(jià)格</p><p style="text-indent:25px">購買電站止回閥一定要去正規(guī)的廠家。寧波氣動(dòng)止回閥費(fèi)用</p><p style="text-indent:25px">近一段時(shí)期，中美貿(mào)易摩擦持續(xù)影響對(duì)外貿(mào)易發(fā)展，機(jī)械行業(yè)銷售企業(yè)通過多種渠道加強(qiáng)深化與傳統(tǒng)貿(mào)易伙伴的合作，并積極拓展新貿(mào)易伙伴、謀求新發(fā)展。再制造就是追求低碳、環(huán)保、綠色制造，被視為未來產(chǎn)業(yè)升級(jí)替代的發(fā)展方向。有資料顯示，刀閘閥，穿透式刀閘閥，礦漿閥，漿液閥再制造產(chǎn)品比新產(chǎn)品的制造節(jié)能60%，平均有55%的部件都可以被再利用，制造過程中可以節(jié)省80%以上的能源消耗。同時(shí)，環(huán)保政策將趨向嚴(yán)格——2020年起將加速私營(yíng)獨(dú)資企業(yè)“國三”標(biāo)準(zhǔn)以下設(shè)備報(bào)廢清退;起重機(jī)與挖機(jī)不同，屬于道路移動(dòng)機(jī)械，環(huán)保政策更為嚴(yán)格，設(shè)備報(bào)廢清退執(zhí)行更為徹底，目前可銷售設(shè)備為“國五”及以上，但存量設(shè)備有一半左右為“國四”及以下標(biāo)準(zhǔn)，2019年7月開始推行“國六”，判斷“國三”、“國四”清退也為“國六”設(shè)備銷售騰挪空間。實(shí)施轉(zhuǎn)換的獨(dú)一途徑是依靠科技創(chuàng)新驅(qū)動(dòng)發(fā)展。閥門、泵、閥門配件制造、銷售／貨物與技術(shù)進(jìn)出口。主營(yíng)單向密封雙向密封刀閘閥、漿液閥、穿透式刀閘閥、礦漿閥，方閘門，電站閘閥、電站截止閥、電站止回閥。材質(zhì)包含不銹鋼，碳鋼，球鐵，灰鐵，雙相鋼，鉻鉬鋼等。是我國閥門、泵、閥門配件制造、銷售／貨物與技術(shù)進(jìn)出口。主營(yíng)單向密封雙向密封刀閘閥、漿液閥、穿透式刀閘閥、礦漿閥，方閘門，電站閘閥、電站截止閥、電站止回閥。材質(zhì)包含不銹鋼，碳鋼，球鐵，灰鐵，雙相鋼，鉻鉬鋼等。工業(yè)的裝備技術(shù)基礎(chǔ)，圍繞閥門、泵、閥門配件制造、銷售／貨物與技術(shù)進(jìn)出口。主營(yíng)單向密封雙向密封刀閘閥、漿液閥、穿透式刀閘閥、礦漿閥，方閘門，電站閘閥、電站截止閥、電站止回閥。材質(zhì)包含不銹鋼，碳鋼，球鐵，灰鐵，雙相鋼，鉻鉬鋼等。工業(yè)結(jié)構(gòu)調(diào)整的需要，發(fā)展**閥門、泵、閥門配件制造、銷售／貨物與技術(shù)進(jìn)出口。主營(yíng)單向密封雙向密封刀閘閥、漿液閥、穿透式刀閘閥、礦漿閥，方閘門，電站閘閥、電站截止閥、電站止回閥。材質(zhì)包含不銹鋼，碳鋼，球鐵，灰鐵，雙相鋼，鉻鉬鋼等。裝備技術(shù)，提高國產(chǎn)閥門、泵、閥門配件制造、銷售／貨物與技術(shù)進(jìn)出口。主營(yíng)單向密封雙向密封刀閘閥、漿液閥、穿透式刀閘閥、礦漿閥，方閘門，電站閘閥、電站截止閥、電站止回閥。材質(zhì)包含不銹鋼，碳鋼，球鐵，灰鐵，雙相鋼，鉻鉬鋼等。裝備制造水平，是我國閥門、泵、閥門配件制造、銷售／貨物與技術(shù)進(jìn)出口。主營(yíng)單向密封雙向密封刀閘閥、漿液閥、穿透式刀閘閥、礦漿閥，方閘門，電站閘閥、電站截止閥、電站止回閥。材質(zhì)包含不銹鋼，碳鋼，球鐵，灰鐵，雙相鋼，鉻鉬鋼等。產(chǎn)業(yè)由大轉(zhuǎn)強(qiáng)的重要基礎(chǔ)和關(guān)鍵。寧波氣動(dòng)止回閥費(fèi)用</p><p style="text-indent:25px">浙江京州閥門制造有限公司致力于機(jī)械及行業(yè)設(shè)備，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。浙江京州閥門作為閥門、泵、閥門配件制造、銷售／貨物與技術(shù)進(jìn)出口。主營(yíng)單向密封雙向密封刀閘閥、漿液閥、穿透式刀閘閥、礦漿閥，方閘門，電站閘閥、電站截止閥、電站止回閥。材質(zhì)包含不銹鋼，碳鋼，球鐵，灰鐵，雙相鋼，鉻鉬鋼等。的企業(yè)之一，為客戶提供良好的刀閘閥，穿透式刀閘閥，礦漿閥，漿液閥。浙江京州閥門繼續(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。浙江京州閥門始終關(guān)注機(jī)械及行業(yè)設(shè)備市場(chǎng)，以敏銳的市場(chǎng)洞察力，實(shí)現(xiàn)與客戶的成長(zhǎng)共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1893583.html</p></div></div></div></div></div><div id="i8cskc3" class="page-right twoColRt"><div id="74zwdvk" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="2ofx2sk" 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) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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