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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="2jfpbsm" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shrqjd/637305768524453125/2213547.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="2aw3wjf" 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>湖北進(jìn)氣切斷閥兼容RIG SAVER,進(jìn)氣切斷閥</p><p><span>***更新：</span>2020-09-15 13:00:50</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="vf7vce8" 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="jizeb78" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="xlnfcj8" class="box"><p><p> 切斷閥(Cutoffvalve)又稱(chēng)緊急切斷閥，顧名思義，用以緊急時(shí)切斷流體的安全閥門(mén)，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(mén)。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(zhuān)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、***物外漏。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，湖北進(jìn)氣切斷閥兼容RIG SAVER，密封可靠。加上防爆電磁閥，空氣減壓過(guò)濾器，湖北進(jìn)氣切斷閥兼容RIG SAVER，信號(hào)反饋開(kāi)關(guān)，能夠遠(yuǎn)距離的控制閥門(mén)，為生產(chǎn)工作提高了安全、方便，湖北進(jìn)氣切斷閥兼容RIG SAVER、快捷的效率。手動(dòng)電氣聯(lián)動(dòng)式停車(chē)系統(tǒng)使用手動(dòng)切換開(kāi)關(guān)來(lái)啟動(dòng)一個(gè)三通氣動(dòng)閥，從而實(shí)關(guān)才進(jìn)氣切斷閥。湖北進(jìn)氣切斷閥兼容RIG SAVER</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北進(jìn)氣切斷閥兼容RIG SAVER,進(jìn)氣切斷閥" src="https://tyunfile.71360.com/WaterMark/UploadFile/shrqjd/637305768524453125/2213547.png"></div><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(mén)，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(mén)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！山東移動(dòng)壓縮機(jī)進(jìn)氣切斷閥手動(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="湖北進(jìn)氣切斷閥兼容RIG SAVER,進(jìn)氣切斷閥" src="https://tyunfile.71360.com/WaterMark/UploadFile/shrqjd/637305768532255859/7140667.png"></div><p> 條件允許時(shí)盡量選用硬密封。"O"型球閥硬密封可達(dá)10-5，三偏心蝶閥可達(dá)零泄漏。2)對(duì)密封耐磨性的考慮:除選硬密封外，對(duì)泄漏要求10-4以上的切斷型調(diào)節(jié)閥，必須堆焊耐磨合金以提高密封的耐磨性、耐沖蝕、耐劃傷的能力，提高閥的壽命。折疊其他因素對(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。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。溫度因素影響如下: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**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:1)彈簧式;2)薄片式柔性金屬環(huán);3)剛?cè)嵯酀?jì)的彈性閥座。后者**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。折疊推薦順序按上所述，切斷閥的主要閥型如下，選擇切斷閥應(yīng)綜合考慮泄漏率、介質(zhì)種類(lèi)、介質(zhì)溫度、流量系數(shù)等各種參數(shù)和性?xún)r(jià)比。在如下推薦順序中，先考慮硬密封，再考慮軟密封。1)三偏心金屬硬密封蝶閥;2)雙偏心球面密封蝶閥;3)球閥;4)偏心旋轉(zhuǎn)閥;5)單座閥。</p><p> 切斷閥的可靠性1、軟密封，切斷效果好，但不適宜用于顆粒介質(zhì)，一旦劃傷，泄漏會(huì)急劇增加。因此，條件允許時(shí)盡量選用硬密封。"O"型球閥硬密封可達(dá)10-5，三偏心蝶閥可達(dá)零泄漏。2、對(duì)密封耐磨性的考慮：除選硬密封外，對(duì)泄漏要求10-4以上的切斷型調(diào)節(jié)閥，必須堆焊耐磨合金以提高密封的耐磨性、耐沖蝕、耐劃傷的能力，提高閥的壽命。3、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。通常情況下有三種彈性方案：①?gòu)椈墒?；②薄片式柔性金屬環(huán)；③剛?cè)嵯酀?jì)的彈性閥座。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。4、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。5、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。AMOT 4125防爆口阻擋物，裝在通風(fēng)口，用來(lái)控制流向，從而防止灰塵，銹，昆蟲(chóng)等進(jìn)入控制系統(tǒng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北進(jìn)氣切斷閥兼容RIG SAVER,進(jìn)氣切斷閥" src="https://tyunfile.71360.com/WaterMark/UploadFile/shrqjd/637305768451074218/4884507.png"></div><p> 所述接觸部所在橢圓的長(zhǎng)徑長(zhǎng)度比所述圓形通孔的直徑小1-2mm。進(jìn)一步的，還包括密封圈；所述閥桿與所述閥體之間設(shè)置有所述密封圈。進(jìn)一步的，還包括：法蘭盤(pán)；所述執(zhí)行機(jī)構(gòu)通過(guò)所述法蘭盤(pán)與所述閥體固定連接。進(jìn)一步的，所述執(zhí)行機(jī)構(gòu)為氣缸或伺服電機(jī)。進(jìn)一步的，所述進(jìn)氣腔和所述出氣腔的容積相同。本實(shí)用新型提供的柴油發(fā)動(dòng)機(jī)進(jìn)氣關(guān)斷閥至少具備以下有益效果或優(yōu)點(diǎn)：本實(shí)用新型提供的柴油發(fā)動(dòng)機(jī)進(jìn)氣關(guān)斷閥，執(zhí)行機(jī)構(gòu)與閥體固定連接；閥體內(nèi)設(shè)置有進(jìn)氣腔及出氣腔；隔離部水平固定在閥體內(nèi)側(cè)，用于分隔進(jìn)氣腔及出氣腔；執(zhí)行機(jī)構(gòu)的輸出端與閥桿的一端固定連接，閥桿的另一端延伸至閥體的內(nèi)側(cè)與接觸部固定連接；隔離部上開(kāi)設(shè)有圓形通孔，接觸部設(shè)置為橢圓形狀，接觸部與圓形通孔相配合。執(zhí)行機(jī)構(gòu)的輸出端通過(guò)閥桿帶動(dòng)接觸部上下運(yùn)動(dòng)，接觸部與隔離部上的圓形通孔分離時(shí)，進(jìn)氣腔與出氣腔完全導(dǎo)通；接觸部與隔離部上的圓形通孔接觸時(shí)，進(jìn)氣腔與出氣腔基本隔離，但橢圓形狀的接觸部與圓形通孔接觸時(shí)，接觸部外側(cè)與圓形通孔內(nèi)側(cè)之間會(huì)產(chǎn)生一個(gè)弧形間隙供少量的氣體通過(guò)，不會(huì)完全切斷氣流通路，可實(shí)現(xiàn)柴油機(jī)工作狀態(tài)的平穩(wěn)切換。電纜驅(qū)動(dòng)式停車(chē)系統(tǒng)就是用手拉動(dòng)電纜的T型手柄來(lái)關(guān)閉進(jìn)氣切斷閥，從而實(shí)現(xiàn)停車(chē)。天津進(jìn)氣切斷閥兼容CHALWYN</p><p style="text-indent:25px">E系列切斷閥維修方便。湖北進(jìn)氣切斷閥兼容RIG SAVER</p><p> 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。折疊編輯本段例外情況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)。這種方法可以節(jié)省空間并在很多情況下比較經(jīng)濟(jì)。3.法蘭式安裝的薄膜液位變送器這種型式的儀表安裝可設(shè)計(jì)成與容器壁齊平，變送器可用與法蘭同樣大小的切斷閥安裝在容器管嘴和變送器之間。折疊編輯本段用途切斷閥的用途很廣，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(kāi)。湖北進(jìn)氣切斷閥兼容RIG SAVER</p><p style="text-indent:25px">上海銳銓機(jī)電設(shè)備有限公司是一家目前FPE溫控閥，已成功配套客戶有：IR英格索蘭、GD登福、QUINCY昆西、SULLAIR壽力、AC阿特拉斯、CAMERON卡麥龍、復(fù)盛、KAISHAN開(kāi)山、CAT卡特彼勒、WAUKESHA瓦克莎、YORK約克、 GE通用電氣、YANMAR洋馬、CUMMINS康明斯。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)。上海銳銓擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專(zhuān)業(yè)研發(fā)團(tuán)隊(duì)，以高度的專(zhuān)注和執(zhí)著為客戶提供FPE溫控閥，AMOT溫控閥，進(jìn)口溫控閥，CALTHERM。上海銳銓繼續(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。上海銳銓始終關(guān)注自身，在風(fēng)云變化的時(shí)代，對(duì)自身的建設(shè)毫不懈怠，高度的專(zhuān)注與執(zhí)著使上海銳銓在行業(yè)的從容而自信。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1292588.html</p></div></div></div></div></div><div id="8qxpm8u" class="page-right twoColRt"><div id="aurdfmb" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ue78xzb" 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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