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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>廣東底特律DDC柴油機(jī)進(jìn)氣切斷閥,進(jìn)氣切斷閥</p><p><span>***更新：</span>2020-12-17 12:00:47</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="2vbsyza" 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="rekwdzk" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="nvbseqb" class="box"><p><p> 火星熄滅器：Anexhaustsparkarrestorisakeysafetyrequirementfordieselengineappliedinhazardousareas,virtuallyalllegislationwithrespecttotheuseofdieselenginesinhazardousareasincludesamandatoryrequirementtofitanexhaustsparkarrestor.火星熄滅器是危險(xiǎn)環(huán)境中使用的柴油機(jī)的關(guān)鍵安全零部件，幾乎所有的關(guān)于危險(xiǎn)區(qū)域使用的柴油機(jī)法規(guī)，都會(huì)要求在其排氣系統(tǒng)上安裝火星熄滅器。主要特點(diǎn)：1、離心式設(shè)計(jì)，廣東底特律DDC柴油機(jī)進(jìn)氣切斷閥，廣東底特律DDC柴油機(jī)進(jìn)氣切斷閥，效率高；2、滿足EN1834防爆標(biāo)準(zhǔn)，廣東底特律DDC柴油機(jī)進(jìn)氣切斷閥，可以提供ATEX防爆認(rèn)證；3、適配功率范圍廣，覆蓋1-750馬力柴油機(jī)；4、出口適配標(biāo)準(zhǔn)排氣管，并配套連接卡箍；5、不銹鋼材質(zhì)或基于成本考慮可選配部分碳鋼材質(zhì)。中國(guó)防爆標(biāo)準(zhǔn)GB20651.2-2014 往復(fù)式內(nèi)燃機(jī)安全要求。廣東底特律DDC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="廣東底特律DDC柴油機(jī)進(jìn)氣切斷閥,進(jìn)氣切斷閥" src="https://tyunfile.71360.com/WaterMark/UploadFile/shrqjd/637305768493867187/2604097.png"></div><p> 可選用單座、套筒、三通切斷閥。氣動(dòng)氣動(dòng)[pneumatic]∶利用撞擊作用或轉(zhuǎn)動(dòng)作用產(chǎn)生的空氣壓力使其運(yùn)動(dòng)或作功，氣動(dòng)就是以壓縮空氣為動(dòng)力源，帶動(dòng)機(jī)械完成伸縮或旋轉(zhuǎn)動(dòng)作。因?yàn)槭抢每諝饩哂袎嚎s性的特點(diǎn)，吸入空氣壓縮儲(chǔ)存，空氣便像彈簧一樣具有了彈力，然后用控制元件控制其方向，帶動(dòng)執(zhí)行元件的旋轉(zhuǎn)與伸縮。從大氣中吸入多少空氣就會(huì)排出多少到大氣中，不會(huì)產(chǎn)生任何化學(xué)反應(yīng)，也不會(huì)消耗污染空氣的任何成分，另外氣體的粘性較液體要小，所以說(shuō)流動(dòng)速度快，也很環(huán)保。氣動(dòng)技術(shù)的特點(diǎn)：1、氣動(dòng)裝置結(jié)構(gòu)簡(jiǎn)單、輕便、安裝維護(hù)簡(jiǎn)單。壓力等級(jí)低、使用安全相對(duì)液壓系統(tǒng)安全一些。2、工作介質(zhì)是取之不盡的空氣、空氣本身不花錢。排氣處理簡(jiǎn)單，不污染環(huán)境，但電能消耗較大，能源轉(zhuǎn)換率很低，初期成本較低，但使用成本較高。3、輸出力以及工作速度的調(diào)節(jié)非常容易。氣缸的動(dòng)作速度一般為50~500mm/s。但運(yùn)行速度穩(wěn)定性不高。4、可靠性不太高，使用壽命受氣源潔凈度和使用頻率的影響較大。5、利用空氣的壓縮性，可貯存能量，實(shí)現(xiàn)集中供氣。可短時(shí)間釋放能量，以獲得間歇運(yùn)動(dòng)中的高速響應(yīng)?？蓪?shí)現(xiàn)緩沖。對(duì)沖擊負(fù)載和過(guò)負(fù)載有較強(qiáng)的適應(yīng)能力。在一定條件下，可使氣動(dòng)裝置有自保能力。山東進(jìn)氣切斷閥適配連接橡膠管管徑：76mm-154mm。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東底特律DDC柴油機(jī)進(jìn)氣切斷閥,進(jìn)氣切斷閥" src="https://tyunfile.71360.com/WaterMark/UploadFile/shrqjd/637305768465166015/1742911.png"></div><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。</p><p> 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。密封面面對(duì)面密封常見(jiàn)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～2mm之間，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），其密封效果不很理想。這類閥的泄漏率通常為10-4，經(jīng)精密研磨后可達(dá)到10-6，可達(dá)較高的密封等級(jí)。球面密封利用球面的球面轉(zhuǎn)動(dòng)與固定的閥定小錐面相切，它們之間為線接觸，這就比上述面對(duì)面密封效果好。球閥、球面密封蝶閥等就是采用這一思路來(lái)制作的，其泄漏率可達(dá)10-6～10-8，高性能的三偏心蝶閥可達(dá)10-8，甚至為零泄漏。 E系列切斷閥適用于自然吸氣和渦輪增壓發(fā)動(dòng)機(jī)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東底特律DDC柴油機(jī)進(jìn)氣切斷閥,進(jìn)氣切斷閥" src="https://tyunfile.71360.com/WaterMark/UploadFile/shrqjd/637305768524453125/2213547.png"></div><p> 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； </p> <p> 根據(jù)壓力情況，可選用公稱壓力為PNl.6Mpa，PN4.0Mpa，PN6.4Mpa的切斷閥； </p> <p> 根據(jù)介質(zhì)防腐蝕要求以及壓力等級(jí)，可選用鑄鐵、鑄鋼、鑄不銹鋼、鑄合金鋼等材質(zhì)的切斷閥； </p> <p> 根據(jù)介質(zhì)溫度以及特殊要求，可選用標(biāo)準(zhǔn)型、高溫(散熱)型、低溫型、夾套保溫型的切斷閥； </p> <p> 根據(jù)介質(zhì)泄漏以及安全方面的考慮，可選用硬密封、軟密封、波紋管密封等切斷閥； </p> <p> 根據(jù)工藝控制要求，可配如下附件：手輪機(jī)構(gòu)、空氣過(guò)濾減壓器、快速排氣閥、電磁閥、行程開關(guān)等。 E系列切斷閥可提供柴油機(jī)進(jìn)氣軟管接頭。新疆長(zhǎng)沙湘普進(jìn)氣切斷閥</p><p style="text-indent:25px">中國(guó)防爆標(biāo)準(zhǔn)GB/T 20800-2016 性環(huán)境用往復(fù)式內(nèi)燃機(jī)防爆技術(shù)通則。廣東底特律DDC柴油機(jī)進(jìn)氣切斷閥</p><p> 密封類型軟密封除耐腐蝕的襯里閥門外，一般的軟密封閥指閥芯或閥座兩者之一采用非金屬材料（主要為聚四氟乙烯和橡膠等）的密封形式的閥。軟密封閥密封效果比較好，但在管道安裝、系統(tǒng)的清洗中都有可能留下或多或少不干凈的雜物（如焊渣、鐵屑等），它們流經(jīng)調(diào)節(jié)閥時(shí)，容易把軟密封閥座或閥芯劃傷，使泄漏量增加，密封可靠性差。所以，選擇軟密封結(jié)構(gòu)必須考慮介質(zhì)的清潔和投運(yùn)前嚴(yán)格沖洗管道。硬密封硬密封再堆焊耐磨合金是切斷閥的比較好選擇。這種方式在考慮密封性的同時(shí)也考慮了使用壽命和可靠性，雖然出廠指標(biāo)只有10-4～10-5，達(dá)不到軟密封零泄漏的效果，但足以滿足嚴(yán)密切斷的要求，而且它經(jīng)久耐用，從經(jīng)濟(jì)的角度考慮更合算。此外還需要注意以下兩點(diǎn)：1）對(duì)密封可靠性的考慮：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?！癘”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。廣東底特律DDC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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