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class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shrqjd/637305768478261718/3766613.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="wbsovly" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>四川濟(jì)柴柴油機(jī)進(jìn)氣切斷閥,進(jìn)氣切斷閥</p><p><span>***更新：</span>2021-01-06 00:10:58</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="7239bfv" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海銳銓機(jī)電設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>李恬</p><p><span>郵箱: </span>roltran@163.com</p><p><span>電話: </span>13918994917</p><p><span>傳真: </span>021_61492341</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>021-61492341</p><p><span>地址: </span>環(huán)林東路799弄9號(hào)1層B142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="pnj2ji9" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="8nctvbx" class="box"><p><p> 切斷閥的用途很廣，可用于切斷煤氣、助燃空氣、冷風(fēng)及煙氣。煤氣切斷閥是把燃燒器與煤氣管道切斷。助燃空氣切斷閥是將燃燒器與助燃空氣管道切斷。熱風(fēng)爐在送風(fēng)期用燃燒器切斷閥將熱風(fēng)爐與燃燒器或煤氣系統(tǒng)及助燃空氣系統(tǒng)隔斷。煙道閥使熱風(fēng)爐與煙道隔離。冷風(fēng)閥的用途是在熱風(fēng)爐燃燒期把冷風(fēng)管道與熱風(fēng)爐隔開。當(dāng)冷風(fēng)管道內(nèi)壓力下降時(shí)，高爐內(nèi)的煤氣可能通過(guò)混風(fēng)管滲入冷風(fēng)管道，形成性氣體，為避免這種情況發(fā)生，在混風(fēng)調(diào)節(jié)閥與熱風(fēng)管道之間的混風(fēng)管道上設(shè)置混風(fēng)切斷閥。[3]主要應(yīng)用于以下場(chǎng)合：1、與可燃?xì)怏w泄漏監(jiān)測(cè)儀器聯(lián)接，當(dāng)儀器檢測(cè)到可燃?xì)怏w泄漏時(shí)，自動(dòng)快速關(guān)閉主供氣閥門，四川濟(jì)柴柴油機(jī)進(jìn)氣切斷閥，切斷燃?xì)獾墓┙o，及時(shí)制止惡性事故的發(fā)生；2、與熱力設(shè)備的極限溫度壓力安全控制器聯(lián)接，當(dāng)設(shè)備內(nèi)檢測(cè)點(diǎn)的溫度壓力超過(guò)設(shè)定的極限數(shù)值時(shí)，四川濟(jì)柴柴油機(jī)進(jìn)氣切斷閥，自動(dòng)快速關(guān)閉供氣閥門，停止燃料的供給；3、與高層建筑的**消防報(bào)警系統(tǒng)聯(lián)接，當(dāng)大廈發(fā)生火警時(shí)，四川濟(jì)柴柴油機(jī)進(jìn)氣切斷閥，自動(dòng)切斷大廈內(nèi)的燃?xì)夤?yīng)，防止煤氣的發(fā)生；4、在城市或工廠的燃?xì)夤?yīng)管網(wǎng)內(nèi)設(shè)置ZCR燃?xì)饩o急切斷閥，可在**控制室內(nèi)集中控制，遠(yuǎn)程遙控緊急關(guān)閉事故現(xiàn)場(chǎng)的管線供氣。 F系列切斷閥 FM1系列。四川濟(jì)柴柴油機(jī)進(jìn)氣切斷閥</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川濟(jì)柴柴油機(jī)進(jìn)氣切斷閥,進(jìn)氣切斷閥" src="https://tyunfile.71360.com/WaterMark/UploadFile/shrqjd/637305768478261718/3766613.png"></div><p> 氣動(dòng)切斷閥采用軟密封結(jié)構(gòu)，設(shè)計(jì)有工作密封和檢修密封，操作力矩小，密封比壓適中，密封可靠，動(dòng)作靈敏，液動(dòng)控制易于實(shí)現(xiàn)自動(dòng)控制，使用壽命長(zhǎng)。切斷氣動(dòng)球閥普遍使用于石油、化工、冶金、造紙、制藥、電鍍等行業(yè)。氣動(dòng)切斷閥性能參數(shù)：1、工作壓力：；2、工作溫度：-196+650℃；3、驅(qū)動(dòng)方式：手動(dòng)、蝸輪、氣動(dòng)、電動(dòng)；4、連接方式：內(nèi)螺紋、外螺紋、法蘭、焊接、對(duì)焊、承插焊、卡套、卡箍；5、制造標(biāo)準(zhǔn)：國(guó)標(biāo)GB、JB、HG，美標(biāo)API、ANSI，英標(biāo)BS，日本JIS、JPI等；6、閥體材質(zhì)：銅、鑄鐵、鑄鋼、碳鋼、WCB、WC6、WC9、20#、25#、鍛鋼、A105、F11、F22、不銹鋼、304、304L、316、316L、鉻鉬鋼、低溫鋼、鈦合金鋼等。氣動(dòng)切斷閥采用新型系列GT型、AT型氣動(dòng)執(zhí)行器，有雙作用式和單作用式(彈簧復(fù)位)，齒輪齒條傳動(dòng)，安全可靠；大口徑閥門采用系列AW型氣動(dòng)執(zhí)行器拔叉式傳動(dòng)，結(jié)構(gòu)合理，輸出扭矩大，有雙作用式和單作用式。1、齒輪式雙活塞，輸出力矩大，體積小；2、氣缸選用鋁金材料，重量輕、外形美觀；3、可在頂部、底部安裝手動(dòng)操作機(jī)構(gòu)；4、齒條式連接可調(diào)節(jié)開啟角度、額定流量；5、執(zhí)行器可選帶電訊號(hào)反饋指示及各類附件以實(shí)現(xiàn)自動(dòng)化操作。四川濟(jì)柴柴油機(jī)進(jìn)氣切斷閥中國(guó)防爆標(biāo)準(zhǔn)MT990-2006 礦用防爆柴油機(jī)通用技術(shù)條件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川濟(jì)柴柴油機(jī)進(jìn)氣切斷閥,進(jìn)氣切斷閥" src="https://tyunfile.71360.com/WaterMark/UploadFile/shrqjd/637305768469169921/7852127.png"></div><p> 機(jī)動(dòng)車排出的廢氣中的火花由前管進(jìn)入中管中的小管時(shí)，氣體通道驟然減小，增加了火花撞擊管壁而熄滅的機(jī)會(huì)。接著，廢氣由中管中的小管進(jìn)入后管中的小管，由于小管和小管之間呈交叉排列，對(duì)殘余的火花又進(jìn)行一次撞擊熄滅。該防火消聲器雖然能在一定程度上對(duì)排氣管廢氣中的火花進(jìn)行熄滅，但是由于廢氣在管道中基本上是直線行走，因此微量的火花還有可能從火花熄滅器中排出，引起火災(zāi)事故。該火花熄滅器功率損失比(損失功率/原發(fā)動(dòng)機(jī)功率）為3%，超過(guò)國(guó)家標(biāo)準(zhǔn)(審批稿）規(guī)定的功率損失比≤2%的標(biāo)準(zhǔn)。由于結(jié)構(gòu)不合理，小管子容易結(jié)炭，造成氣體通道不暢，當(dāng)前管大量廢氣不能順利進(jìn)入小管時(shí)，會(huì)造成前管壓力增大而炸裂，縮短使用壽命。其它，還存在著自重重，造價(jià)高等缺陷。 </p><p> 進(jìn)口氣動(dòng)切斷閥工作原理圖及結(jié)構(gòu)特點(diǎn)進(jìn)口氣動(dòng)切斷閥是用于工藝管道中突發(fā)故障或事故時(shí)，將管路介質(zhì)（液體、氣體）流體緊急快速截?cái)嗟母咝阅芮袛嚅y，具有動(dòng)作迅速、嚴(yán)密切斷、安全可靠等特點(diǎn)，在其高危險(xiǎn)物料的加工處理，貯存運(yùn)輸過(guò)程中被得到普遍應(yīng)用，在氣體泄漏、意外事故、操作不當(dāng)、人員沒(méi)辦法靠近時(shí)，能夠遠(yuǎn)距離快速關(guān)閉閥門，起安全保護(hù)作用。進(jìn)口氣動(dòng)切斷閥結(jié)構(gòu)特點(diǎn)：1、切斷閥采用薄膜式多彈簧執(zhí)行機(jī)構(gòu)與調(diào)節(jié)機(jī)構(gòu)用三根立柱相連，整個(gè)高度可減小約30％，重量可減輕約30％。2、閥體按流體力學(xué)原理設(shè)計(jì)成等截面低流阻流道，額定流量系數(shù)增大30％。3、閥內(nèi)件密封部分有嚴(yán)密型和軟密封兩種，嚴(yán)密型為堆焊硬質(zhì)合金，軟密封型為軟質(zhì)材料制作，關(guān)閉時(shí)密封性能優(yōu)良。4、平衡型閥內(nèi)件，提高了切斷閥的許用壓差。進(jìn)口氣動(dòng)切斷閥工作原***動(dòng)切斷閥主要由執(zhí)行機(jī)構(gòu)與閥體兩部分組成，通常由控制室/控制中心操作，也可以在現(xiàn)場(chǎng)安全地操作。氣動(dòng)切斷閥對(duì)閥的基本要求是：關(guān)閉嚴(yán)密快速，并具火災(zāi)安全結(jié)構(gòu)。雖然，常規(guī)閥門中，高密封性能的金屬密封是較佳選擇，當(dāng)采用軟密封結(jié)構(gòu)時(shí)，必須是火災(zāi)安全型結(jié)構(gòu)，以保證軟密封結(jié)構(gòu)失效后，仍能截?cái)辔ｋU(xiǎn)物料而不流入事故場(chǎng)所！E系列切斷閥適配發(fā)動(dòng)機(jī)功率范圍廣。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川濟(jì)柴柴油機(jī)進(jìn)氣切斷閥,進(jìn)氣切斷閥" src="https://tyunfile.71360.com/WaterMark/UploadFile/shrqjd/637305768546113281/8429197.png"></div><p> 切斷閥(Cutoffvalve)又稱緊急切斷閥，顧名思義，用以緊急時(shí)切斷流體的安全閥門，切斷閥有：氣動(dòng)緊急切斷閥液動(dòng)緊急切斷閥燃?xì)饩o急切斷閥液氨緊急切斷閥。切斷閥是自動(dòng)化系統(tǒng)中執(zhí)行機(jī)構(gòu)的一種，由多彈簧氣動(dòng)薄膜執(zhí)行機(jī)構(gòu)或浮動(dòng)式活塞執(zhí)行機(jī)構(gòu)與調(diào)節(jié)閥組成，接收調(diào)節(jié)儀表的信號(hào)，控制工藝管道內(nèi)流體的切斷、接通或切換。具有結(jié)構(gòu)簡(jiǎn)單，反應(yīng)靈敏，動(dòng)作可靠等特點(diǎn)?？善毡榈貞?yīng)用在石油、化工、冶金等工業(yè)生產(chǎn)部門。氣動(dòng)切斷閥的氣源要求經(jīng)過(guò)濾的壓縮空氣，流經(jīng)閥體內(nèi)的介質(zhì)應(yīng)該是無(wú)雜質(zhì)和無(wú)顆粒的液體和氣體。根據(jù)允許壓差情況、介質(zhì)特點(diǎn)以及工藝管道要求，可選用單座、套筒、三通切斷閥。切斷閥采用安全閥的升降結(jié)構(gòu)和止回閥防止介質(zhì)倒流的原理，內(nèi)結(jié)構(gòu)裝有低熔點(diǎn)(易熔合金)的塞子。在外界≥80C溫度(易熔金)熔化，堵塞氣管泄壓。切斷閥迅速關(guān)閉，保護(hù)貯罐系統(tǒng)的安全。切斷閥專為液氨、氨氣、燃?xì)獾墓苈坊蜓b置設(shè)計(jì)。填料采用聚四氟乙烯，密封可靠。密封副材料采用聚四氟乙烯或尼龍對(duì)閥體本體材料，為軟密封，密封可靠。加上防爆電磁閥，空氣減壓過(guò)濾器，信號(hào)反饋開關(guān)，能夠遠(yuǎn)距離的控制閥門，為生產(chǎn)工作提高了安全、方便、快捷的效率。中國(guó)防爆標(biāo)準(zhǔn)SY/T5030-2013 石油天然氣工業(yè) - 柴油機(jī)規(guī)范。四川濟(jì)柴柴油機(jī)進(jìn)氣切斷閥</p><p style="text-indent:25px">AMOT 2185節(jié)流孔，用于定時(shí)回路中的限流或防止壓力的突變對(duì)系統(tǒng)造成的損害。四川濟(jì)柴柴油機(jī)進(jìn)氣切斷閥</p><p> 當(dāng)冷風(fēng)管道內(nèi)壓力下降時(shí)，高爐內(nèi)的煤氣可能通過(guò)混風(fēng)管滲入冷風(fēng)管道，形成性氣體，為避免這種情況發(fā)生，在混風(fēng)調(diào)節(jié)閥與熱風(fēng)管道之間的混風(fēng)管道上設(shè)置混風(fēng)切斷閥。主要應(yīng)用于以下場(chǎng)合:1、與可燃?xì)怏w泄漏監(jiān)測(cè)儀器聯(lián)接，當(dāng)儀器檢測(cè)到可燃?xì)怏w泄漏時(shí)，自動(dòng)快速關(guān)閉主供氣閥門，切斷燃?xì)獾墓┙o，及時(shí)制止惡性事故的發(fā)生;2、與熱力設(shè)備的極限溫度壓力安全控制器聯(lián)接，當(dāng)設(shè)備內(nèi)檢測(cè)點(diǎn)的溫度壓力超過(guò)設(shè)定的極限數(shù)值時(shí)，自動(dòng)快速關(guān)閉供氣閥門，停止燃料的供給;3、與高層建筑的**消防報(bào)警系統(tǒng)聯(lián)接，當(dāng)大廈發(fā)生火警時(shí)，自動(dòng)切斷大廈內(nèi)的燃?xì)夤?yīng)，防止煤氣的發(fā)生;4、在城市或工廠的燃?xì)夤?yīng)管網(wǎng)內(nèi)設(shè)置ZCR燃?xì)饩o急切斷閥，可在**控制室內(nèi)集中控制，遠(yuǎn)程遙控緊急關(guān)閉事故現(xiàn)場(chǎng)的管線供氣。折疊編輯本段選擇折疊結(jié)構(gòu)型式在切斷效果方面，角行程閥比直行程閥(如單座閥、套筒閥、閘閥等)結(jié)構(gòu)更簡(jiǎn)單、密封效果更可靠、更具有優(yōu)越性。比較有**性的有三偏心硬密封蝶閥、球閥等。折疊密封面面對(duì)面密封常見的柱塞閥芯，其密封面為60°的小錐面，此小錐面的寬度通常在，要密封好就必須保證兩個(gè)錐面良好接觸。但事實(shí)上，它始終受到加工誤差的影響(如同心度、不圓度、傾斜度等)。四川濟(jì)柴柴油機(jī)進(jìn)氣切斷閥</p></p><br /><p>文章來(lái)源地址: 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