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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="vz8taxu" 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="z84gy3i" 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>中國(guó)澳門(mén)進(jìn)氣切斷閥安裝方便,進(jìn)氣切斷閥</p><p><span>***更新：</span>2020-08-10 03:00:22</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="fwyn3xp" 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(huà): </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(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="az8v7mj" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="xbtvfta" class="box"><p><p> 燃?xì)馇袛嚅y編輯鎖定討論本詞條缺少信息欄、概述圖，補(bǔ)充相關(guān)內(nèi)容使詞條更完整，還能快速升級(jí)，趕緊來(lái)編輯吧！燃?xì)馇袛嚅y是一種新型的燃?xì)夤艿拦こ痰陌踩涮籽b置,主要應(yīng)用于以下場(chǎng)合:與可燃?xì)怏w泄漏監(jiān)測(cè)儀器相連接。當(dāng)儀器檢測(cè)到可燃?xì)怏w泄漏時(shí)，自動(dòng)快速關(guān)閉主供氣體閥門(mén),切斷燃?xì)獾墓┙o，及時(shí)制止惡性事故的發(fā)生。與熱力設(shè)備的極限溫度(或壓力)安全控制器相連接。當(dāng)設(shè)備內(nèi)檢測(cè)點(diǎn)的溫度或壓力超過(guò)設(shè)定的極限數(shù)值時(shí)，自動(dòng)快速關(guān)閉供氣閥門(mén)，停止燃料的供給。與高層建筑的**消防報(bào)警系統(tǒng)相連接。當(dāng)大廈發(fā)生火情時(shí)，自動(dòng)切斷大廈內(nèi)的燃?xì)夤?yīng)，防止煤氣的發(fā)生。在城市或工廠的燃?xì)夤?yīng)管網(wǎng)內(nèi)設(shè)置BZCK燃?xì)馇袛嚅y，可在**控制室內(nèi)集中控制，遠(yuǎn)距離遙控，緊急關(guān)閉事故現(xiàn)場(chǎng)的管線(xiàn)供氣，中國(guó)澳門(mén)進(jìn)氣切斷閥安裝方便。燃?xì)馇袛嚅y產(chǎn)品技術(shù)參數(shù):燃?xì)馇袛嚅y適用于煤氣、天然氣及液化石油氣。閥門(mén)規(guī)格：螺紋連接G1/2“、G3/4”、G1“；法蘭連接DN25～350.工作壓力：～6bar.電氣防護(hù)等級(jí)：CEIIP65/IP67.防爆等級(jí)：EexmⅡT4/EexmⅡT5，中國(guó)澳門(mén)進(jìn)氣切斷閥安裝方便.工作電壓及電功率：交流AC220V，50Hz/14V；直流DC12V/，中國(guó)澳門(mén)進(jìn)氣切斷閥安裝方便，DC24V/：不間斷輸出或脈沖型.電氣連接：插件（不分正負(fù)極）.線(xiàn)圈功率:≤DN100。F系列切斷閥 FM1系列。中國(guó)澳門(mén)進(jìn)氣切斷閥安裝方便</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="中國(guó)澳門(mén)進(jìn)氣切斷閥安裝方便,進(jìn)氣切斷閥" src="https://tyunfile.71360.com/WaterMark/UploadFile/shrqjd/637305768478261718/3766613.png"></div><p> 氣動(dòng)切斷閥優(yōu)點(diǎn)編輯1、閥體結(jié)構(gòu)有單座、套筒、雙座（二位三通）三種，密封形式有填料密封和波紋管密封兩種，產(chǎn)品公稱(chēng)壓力等級(jí)有PN10、16、40、64四種，公稱(chēng)口徑范圍DN20～200mm。適用流體溫度由-60～450℃。泄漏量等級(jí)為IV級(jí)或Ⅵ級(jí)。流量特性為快開(kāi)；2、采用多彈簧執(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%；3、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%；4、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；5、平衡型閥內(nèi)件，提高了切斷閥的許用壓差；6、波紋管密封型對(duì)移動(dòng)的閥桿形成完全的密封，堵絕了介質(zhì)外漏的可能性；7、活塞式執(zhí)行機(jī)構(gòu)，操作力大，使用壓差大。氣動(dòng)切斷閥保養(yǎng)編輯調(diào)節(jié)閥管線(xiàn)由于組合或安裝不當(dāng)會(huì)產(chǎn)生各種應(yīng)力，例如高溫介質(zhì)產(chǎn)生的熱應(yīng)力，安裝時(shí)緊固力不均衡造成的切斷閥應(yīng)力，人為的某些碰撞給調(diào)節(jié)閥及其管道造成的應(yīng)力等。這些應(yīng)力作用在調(diào)節(jié)閥及其管線(xiàn)上，很容易對(duì)調(diào)節(jié)閥的性能產(chǎn)生影響，嚴(yán)重時(shí)會(huì)影響到調(diào)節(jié)系統(tǒng)本身，導(dǎo)致閥桿和導(dǎo)向件變形而不能和閥座對(duì)準(zhǔn)中心;對(duì)于分體式閥體的調(diào)節(jié)閥，可能引起閥體法蘭的脫開(kāi)。河北進(jìn)氣切斷閥ATEX防爆認(rèn)證中國(guó)防爆標(biāo)準(zhǔn)GB4556-2001 往復(fù)式內(nèi)燃機(jī)防火要求。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="中國(guó)澳門(mén)進(jìn)氣切斷閥安裝方便,進(jìn)氣切斷閥" src="https://tyunfile.71360.com/WaterMark/UploadFile/shrqjd/637305768516972656/574735.png"></div><p> 其他因素 </p> <p> <br /> </p> <p> 對(duì)含顆粒的沖蝕介質(zhì)，要考慮閥芯避開(kāi)高速介質(zhì)的直接沖蝕。 </p> <p> 對(duì)于硬密封，必須有足夠的硬度差，同一硬度材料“互不相讓”，很容易劃傷而引起泄漏。 </p> <p> 溫度因素影響如下： </p> <p> 對(duì)高溫介質(zhì)的切斷調(diào)節(jié)閥在室溫下組裝的，在高溫下工作，溫度變化幾百度。熱膨脹會(huì)改變裝配時(shí)建立的密封比壓。過(guò)緊，密封面會(huì)卡信，運(yùn)動(dòng)時(shí)會(huì)嚴(yán)重檫傷，拉傷；過(guò)松，密封壓不夠，兩種情況泄漏都會(huì)急劇增加。解決的比較好辦法是用彈性閥座來(lái)吸收這一變化造成的差異。通常有三種彈性方案： </p> <p> 1）彈簧式； </p> <p> 2）薄片式柔性金屬環(huán)； </p> <p> 3）剛?cè)嵯酀?jì)的彈性閥座。 </p> <p> 后者比較好，既有柔性克服熱膨脹，又有剛度并堆焊耐磨合金來(lái)提高耐磨面的可靠性。 </p><p> 如切斷閥只能在兩種狀態(tài)下工作，全開(kāi)或全關(guān)。當(dāng)閥瓣在閥座內(nèi)處于中間位置時(shí)，由于壓降大而產(chǎn)生大的流速，這就形成汽蝕的條件，引起侵蝕，破壞閥瓣和閥座的密封面，結(jié)果喪失了關(guān)閉件的密封性，在滲漏介質(zhì)對(duì)金屬的作用下，初始時(shí)的小漏很快會(huì)變成大漏。[1]切斷閥材質(zhì)編輯所有切斷閥的材質(zhì)、壓力等級(jí)和連接方式，必須同與其相連接的設(shè)備的規(guī)格相符。這一點(diǎn)適用于所有的切斷閥，無(wú)論它是直接安裝在設(shè)備上還是裝在一個(gè)與設(shè)備相連的立管上。[2]切斷閥位置和尺寸編輯切斷閥可裝在容器接頭或立管上。當(dāng)閥連接在立管上時(shí)，接頭尺寸至少為3/4英寸。當(dāng)容器接頭是法蘭式管嘴并且切斷閥直接安裝在管嘴上時(shí)，接頭**小尺寸為1英寸。當(dāng)容器接頭是管接頭且切斷閥安裝在一個(gè)短節(jié)上時(shí)，接頭的**小尺寸為3/4英寸，（除下述提到的例外情況外）。容器和切斷閥之間的配件或管道要減至**低限度。切斷閥例外情況編輯1．特殊應(yīng)用如果容器的管嘴是法蘭式的并且被連接的儀表(如差壓計(jì))是小尺寸的螺紋接頭，這時(shí)切斷閥**小可用3/4英寸的口徑并可以用一個(gè)縮徑法蘭和短節(jié)連接到容器管嘴上。2．雙切斷閥有些公司允許在并聯(lián)的儀表上采用雙切斷閥，這些儀表用直接裝在管嘴上的三通連接起來(lái)。手動(dòng)電控超速監(jiān)測(cè)停車(chē)系統(tǒng)使用一個(gè)手動(dòng)切換開(kāi)關(guān)來(lái)實(shí)現(xiàn)關(guān)閉進(jìn)氣切斷閥。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="中國(guó)澳門(mén)進(jìn)氣切斷閥安裝方便,進(jìn)氣切斷閥" src="https://tyunfile.71360.com/WaterMark/UploadFile/shrqjd/637305768586093750/9287455.png"></div><p> 隔離部8固定在閥體3內(nèi)側(cè)，用于分隔進(jìn)氣腔及出氣腔，隔離部8的形狀不作限定，可根據(jù)需要靈活設(shè)置。參見(jiàn)圖2及圖3，執(zhí)行機(jī)構(gòu)1的輸出端與閥桿4的一端固定連接，閥桿4的另一端延伸至閥體3的內(nèi)側(cè)與接觸部5固定連接；隔離部8上開(kāi)設(shè)有圓形通孔6，且該圓形通孔6水平設(shè)置。接觸部5設(shè)置為橢圓形狀，接觸部5與圓形通孔6相配合，且接觸部5所在橢圓的長(zhǎng)徑長(zhǎng)度小于圓形通孔6的直徑，具體的，接觸部5所在橢圓的長(zhǎng)徑長(zhǎng)度比圓形通孔6的直徑小1-2mm(如1mm、)。本實(shí)用新型實(shí)施例中，參見(jiàn)圖2，該柴油發(fā)動(dòng)機(jī)進(jìn)氣關(guān)斷閥還包括密封圈7。閥桿4與閥體3之間設(shè)置有密封圈7；具體的，該密封圈7可采用o型橡膠密封圈7，o型橡膠密封圈7具有成本低和密封效果好的特點(diǎn)。本實(shí)用新型實(shí)施例中，參見(jiàn)圖1及圖2，該柴油發(fā)動(dòng)機(jī)進(jìn)氣關(guān)斷閥還包括：法蘭盤(pán)2。執(zhí)行機(jī)構(gòu)1通過(guò)法蘭盤(pán)2與閥體3固定連接。法蘭盤(pán)2為一連接機(jī)構(gòu)，連接方式可靠，且便于安裝及拆卸，同時(shí)法蘭盤(pán)2還可以與其他部件連接，以實(shí)現(xiàn)對(duì)柴油發(fā)動(dòng)機(jī)進(jìn)氣關(guān)斷閥的安裝。本實(shí)用新型實(shí)施例中，該柴油發(fā)動(dòng)機(jī)進(jìn)氣關(guān)斷閥的進(jìn)氣腔和出氣腔的容積相同。將進(jìn)氣腔和出氣腔設(shè)計(jì)為相同的容積，使進(jìn)氣腔和出氣腔的壓力盡可能接近。E系列切斷閥超速速度值方便調(diào)整。河北進(jìn)氣切斷閥ATEX防爆認(rèn)證</p><p style="text-indent:25px">帶手動(dòng)裝置，可以實(shí)現(xiàn)超速、油壓低（氣壓低）自動(dòng)停車(chē)系統(tǒng)。中國(guó)澳門(mén)進(jìn)氣切斷閥安裝方便</p><p> 2、當(dāng)事故發(fā)生時(shí)，閥門(mén)線(xiàn)圈瞬時(shí)通電，觸發(fā)閥門(mén)快速關(guān)閉，進(jìn)入自鎖狀態(tài)。此時(shí)即使撤去電源，閥門(mén)仍處于自鎖狀態(tài)，不會(huì)重新自動(dòng)打開(kāi)。3、閥門(mén)采用先導(dǎo)式閥瓣，開(kāi)啟輕松，即使壓力達(dá)到6bar開(kāi)啟也十分輕松，口徑大于DN125，采用杠桿手柄，使閥門(mén)達(dá)到開(kāi)關(guān)省力、快速。4、當(dāng)工作人員處理完事故，人工重新開(kāi)啟閥門(mén)，才會(huì)恢復(fù)供氣。注：根據(jù)客戶(hù)要求也可提供斷電關(guān)閉的常閉型緊急切斷閥。[1]緊急切斷閥分類(lèi)編輯緊急切斷閥彈簧緊急切斷閥彈簧緊急切斷閥是在遇到突發(fā)情況斷電后緊急關(guān)閉閥門(mén)或者打開(kāi)閥門(mén)，它的工作原理是：電動(dòng)彈簧緊急切斷閥在通電后電機(jī)電動(dòng)執(zhí)行器里面的卷簧，把扭矩力傳導(dǎo)至卷簧上，在斷電時(shí)卷簧釋放里面儲(chǔ)存的扭矩力，帶動(dòng)閥門(mén)迅速的關(guān)閉或者打開(kāi)。它的優(yōu)點(diǎn)是關(guān)閉迅速，關(guān)閉時(shí)間只需1-2S。緊急切斷閥蓄電容緊急安全閥蓄電容緊急安全閥是在執(zhí)行器內(nèi)部裝有蓄電容儲(chǔ)能裝置，執(zhí)行器通電正常運(yùn)轉(zhuǎn)時(shí)，蓄電容充電。斷電時(shí)蓄電容釋放電能，帶動(dòng)電機(jī)、齒輪裝置開(kāi)閉閥門(mén)。它的優(yōu)點(diǎn)是：蓄電容充放電時(shí)間短，壽命時(shí)間長(zhǎng)。緊急切斷閥電磁閥電磁閥是新型的燃?xì)夤艿拦こ痰陌踩涮籽b置。[2]緊急切斷閥相關(guān)資料編輯緊急切斷閥技術(shù)參數(shù)1、適用于煤氣、天然氣及液化石油氣。中國(guó)澳門(mén)進(jìn)氣切斷閥安裝方便</p><p style="text-indent:25px">上海銳銓機(jī)電設(shè)備有限公司成立于2012-06-28，是一家貿(mào)易型的公司。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下[ "FPE溫控閥", "AMOT溫控閥", "進(jìn)口溫控閥", "CALTHERM" ]深受客戶(hù)的喜愛(ài)。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠(chéng)信為本的理念，打造機(jī)械及行業(yè)設(shè)備質(zhì)量品牌。公司自成立以來(lái)發(fā)展迅速，業(yè)務(wù)不斷發(fā)展壯大，年?duì)I業(yè)額度達(dá)到500-700萬(wàn)元，未來(lái)我們將不斷進(jìn)行創(chuàng)新和改進(jìn)，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/864995.html</p></div></div></div></div></div><div id="gph7pry" class="page-right twoColRt"><div id="yi8zwtf" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="p3c7rt2" 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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