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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>福建省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>力士樂(lè)液壓?jiǎn)蜗蜷y單價(jià),閥</p><p><span>***更新：</span>2020-12-22 08:02:38</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="bpm8mqn" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">廈門(mén)市冠來(lái)機(jī)電設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>趙先生</p><p><span>郵箱: </span>173913050@qq.com</p><p><span>電話: </span>13806058973</p><p><span>傳真: </span>0592_7267158</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0592-7267158</p><p><span>地址: </span>穆厝社120號(hào)A棟125單元</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="eylifzb" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="2jlik4t" class="box"><p><p style="text-indent:25px">如今市面上的閥門(mén)越來(lái)越多，力士樂(lè)液壓?jiǎn)蜗蜷y單價(jià)，閥門(mén)的種類(lèi)特別的復(fù)雜，結(jié)構(gòu)和材質(zhì)也都盡不相同，閥門(mén)的選型對(duì)于工況中裝置長(zhǎng)周期運(yùn)行是至關(guān)重要的。閥門(mén)的選用不當(dāng)及用戶對(duì)閥門(mén)的不了解，都是事故發(fā)生及安全威脅的源端。閥門(mén)選型步驟： 1. 明確閥門(mén)在設(shè)備或裝置中的用途，確定閥門(mén)的工作條件：適用介質(zhì)、工作壓力、工作溫度等等。 2. 確定與閥門(mén)連接管道的公稱通徑和連接方式：法蘭、螺紋、焊接、卡套、快裝等。 3. 確定操作閥門(mén)的方式：手動(dòng)、電動(dòng)、電磁、氣動(dòng)或液動(dòng)，力士樂(lè)液壓?jiǎn)蜗蜷y單價(jià)、電氣聯(lián)動(dòng)或電液聯(lián)動(dòng)等。 4. 根據(jù)管線輸送的介質(zhì)、工作壓力、工作溫度確定選擇閥門(mén)的殼體和內(nèi)件的材料：灰鑄鐵、可鍛鑄鐵、球墨鑄鐵、碳素鋼、合金鋼、不銹耐酸鋼、銅合金等。 5 選擇閥門(mén)的種類(lèi)：閉路閥門(mén)、調(diào)節(jié)閥門(mén)、安全閥門(mén)等。 6. 確定閥門(mén)的型式：閘閥、截止閥、球閥、蝶閥、節(jié)流閥、安全閥、減壓閥，力士樂(lè)液壓?jiǎn)蜗蜷y單價(jià)、蒸汽疏水閥等。 7. 確定閥門(mén)的參數(shù)：對(duì)于自動(dòng)閥門(mén)，根據(jù)不同需要先確定允許流阻、排放能力、背壓等，再確定管道的公稱通徑和閥座孔的直徑。 8. 確定所選用閥門(mén)的幾何參數(shù)：結(jié)構(gòu)長(zhǎng)度、法蘭連接形式及尺寸、開(kāi)啟和關(guān)閉后閥門(mén)高度方向的尺寸、連接的螺栓孔尺寸和數(shù)量、整個(gè)閥門(mén)外型尺寸等。閥門(mén)的型號(hào)那么多，該怎么選擇？力士樂(lè)液壓?jiǎn)蜗蜷y單價(jià)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="力士樂(lè)液壓?jiǎn)蜗蜷y單價(jià),閥" src="https://tyunfile.71360.com/UploadFile/baomeng202/637336189211728516/9902415.png"></div><p> 閥門(mén)是隨著流體管路的產(chǎn)生而產(chǎn)生的。人們使用閥門(mén)已經(jīng)有近4000年的歷史了。國(guó)內(nèi)古代從鹽井中吸鹵水制鹽時(shí)，就曾在竹制管路中使用過(guò)木塞閥。公元前 1800年，古埃及人為了防止尼羅河泛濫而修建大規(guī)模水利時(shí)，也曾運(yùn)用過(guò)類(lèi)似的木制旋塞來(lái)控制水流的分配。這些都是閥門(mén)的雛形。工業(yè)用閥門(mén)的大量應(yīng)用，是從瓦特發(fā)明蒸汽機(jī)以后才開(kāi)始的。二十世紀(jì)初出現(xiàn)了鑄鐵、鑄鋼、鍛鋼、不銹鋼、鉻鉬鋼、黃銅等各種材質(zhì)的閥門(mén)。應(yīng)用于各個(gè)行業(yè)，各種工況。國(guó)內(nèi)比較早引進(jìn)國(guó)外閥門(mén)生產(chǎn)技術(shù)的公司不多，后引進(jìn)國(guó)外生產(chǎn)技術(shù)，使得國(guó)內(nèi)閥門(mén)生產(chǎn)技術(shù)的突破，質(zhì)量的提高，使用期限的加長(zhǎng)。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 力士樂(lè)液壓?jiǎn)蜗蜷y單價(jià)閥門(mén)的工作原理是什么？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="力士樂(lè)液壓?jiǎn)蜗蜷y單價(jià),閥" src="https://tyunfile.71360.com/UploadFile/baomeng202/637336189469580078/5089009.png"></div><p style="text-indent:25px">減壓閥、安全閥、穩(wěn)壓閥、泄壓閥這幾個(gè)都屬于壓力閥門(mén)，主要是功能上的區(qū)別： ①減壓閥是將壓力高的介質(zhì)降為壓力低的介質(zhì)的設(shè)備，該閥的特點(diǎn)，是在進(jìn)口壓力不斷變化的情況下，保持出口聽(tīng)壓力和溫度值在一定的范圍內(nèi)。 ②安全閥用以防止鍋爐、壓力容器等設(shè)備或管道因超壓而發(fā)生損壞的閥門(mén)。當(dāng)壓力略高于正常工作壓力時(shí)，安全閥自動(dòng)開(kāi)啟，使壓力下降。當(dāng)壓力略低于正常工作壓力時(shí)，安全閥自動(dòng)關(guān)閉，停止排放流體并保持密封。 ③泄壓閥主要是用在壓力過(guò)大的場(chǎng)合，當(dāng)壓力大于設(shè)定值時(shí)閥內(nèi)片被頂開(kāi)及時(shí)釋放壓力，壓力減小后恢復(fù)到原來(lái)的位置，和安全閥區(qū)別不大，泄壓閥多指用于液體的，安全閥多指用于氣體，蒸汽的。 ④穩(wěn)壓閥是將一個(gè)區(qū)域內(nèi)的介質(zhì)保持在一定的壓力范圍的設(shè)備。和減壓閥的區(qū)別： ⑤減壓閥：無(wú)論進(jìn)口壓力如何變化，都把出口壓力減到額定值，起到減壓作用。 ⑥穩(wěn)壓閥：無(wú)論下游壓力和需求量如何變化，都維持一個(gè)恒定的上游壓力。安全閥及減壓閥是兩種閥門(mén)類(lèi)型，是**閥門(mén)。其中，安全閥屬于安全泄發(fā)裝置，是**閥門(mén)，只在工作壓力超過(guò)允許范圍時(shí)動(dòng)作，對(duì)系統(tǒng)起到保護(hù)作用。減壓閥屬于工藝閥門(mén)，可使高壓物流減壓，以滿足后系統(tǒng)對(duì)壓力的要求，其工作過(guò)程是連續(xù)的。</p><p style="text-indent:25px">液壓閥是液壓傳動(dòng)中用來(lái)控制液體壓力﹑流量和方向的元件。其中，*壓力控制閥就分溢流閥、減壓閥、順序閥、卸荷閥等幾種。 ①溢流閥：溢流閥是一種液壓壓力控制閥，在液壓設(shè)備中主要起定壓溢流、穩(wěn)壓、系統(tǒng)卸荷和安全保護(hù)作用。 ②減壓閥:減壓閥是通過(guò)調(diào)節(jié)，將進(jìn)口壓力減至某一需要的出口壓力，并依靠介質(zhì)本身的能量，使出口壓力自動(dòng)保持穩(wěn)定的閥門(mén)。 ③順序閥:順序閥是指在具有二個(gè)以上分支回路的系統(tǒng)中，根據(jù)回路的壓力等來(lái)控制多個(gè)執(zhí)行元件動(dòng)作順序的閥。根據(jù)其功能和裝配結(jié)構(gòu)的不同，可以實(shí)現(xiàn)不同的回路功能，如溢流閥、順序閥、背壓閥、卸荷閥和平衡閥的功能。閥門(mén)的材質(zhì)那么多，我們應(yīng)該怎么挑選？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="力士樂(lè)液壓?jiǎn)蜗蜷y單價(jià),閥" src="https://tyunfile.71360.com/UploadFile/baomeng202/637336187314169922/2090839.png"></div><p style="text-indent:25px">隨著市場(chǎng)上對(duì)于氣動(dòng)蝶閥越來(lái)越高的使用率，已經(jīng)促進(jìn)了它慢慢成為人們非常實(shí)用的一種工具了。對(duì)于氣動(dòng)蝶閥的定時(shí)清潔與保養(yǎng)就顯得尤為重要了。氣動(dòng)蝶閥的保養(yǎng)維護(hù)的方法： 1、安裝前，必須仔細(xì)核對(duì)本閥標(biāo)志的壓力，通徑是否符合使用要求，避免運(yùn)輸過(guò)程所造成的損傷，并去除閥件的污垢。 2、安裝時(shí)，可將閥門(mén)按連接方式直接裝置在管路上。一般情況下，可安裝在管路任意位置上，但需便于操作的檢修，注意截止閥介質(zhì)流向應(yīng)是縱閥瓣下面往上流，升降式止回閥只能水平安裝。 3、填料壓蓋的螺栓應(yīng)均勻地?cái)Q緊，不應(yīng)壓成歪狀態(tài)，以免碰傷阻礙閥桿運(yùn)動(dòng)或造成泄漏。 4、氣動(dòng)蝶閥使用時(shí)，只作全開(kāi)或全閉，不允許做調(diào)節(jié)流量用，以免密封面受沖蝕，加速磨損。閘閥和上螺紋截止閥內(nèi)有倒密封裝置，手輪旋至頂上位置擰緊，即可阻止介質(zhì)從填料處泄漏。 5、氣動(dòng)蝶閥開(kāi)、關(guān)時(shí)應(yīng)用手輪，請(qǐng)勿借助杠桿或其它工具，以免損壞閥件。手輪順時(shí)針旋轉(zhuǎn)為關(guān)閉，反之為開(kāi)啟。 6、長(zhǎng)期存放的閥門(mén)，應(yīng)作定期檢查，對(duì)外露的加工表面須保持清潔，去除污垢，存放時(shí)球閥應(yīng)兩端堵塞并處于開(kāi)啟狀態(tài)，氣動(dòng)蝶閥，通道的兩端應(yīng)堵塞并處于關(guān)閉狀態(tài)，整齊地存放在室內(nèi)通風(fēng)干燥的地方，嚴(yán)禁堆置或露天存放。閥門(mén)維護(hù)應(yīng)該注意哪些方面？力士樂(lè)液壓?jiǎn)蜗蜷y單價(jià)</p><p style="text-indent:25px">閥門(mén)的主要組成構(gòu)造是什么？力士樂(lè)液壓?jiǎn)蜗蜷y單價(jià)</p><p style="text-indent:25px">閘閥是指閘板關(guān)閉件沿通路中心線的垂直方向移動(dòng)的閥門(mén)。一般由閥體、閥座、閥桿、閘板、閥蓋、密封圈幾部分組成，可通過(guò)對(duì)傳動(dòng)裝置和閘閥的配備可轉(zhuǎn)化出多樣化的電動(dòng)閘閥與氣動(dòng)閘閥，閘閥的閘板隨閥桿一起作直線運(yùn)動(dòng)的，通常在升降桿上有梯形螺紋，通過(guò)閥門(mén)頂端的螺母以及閥體上的導(dǎo)槽，將旋轉(zhuǎn)運(yùn)動(dòng)變?yōu)橹本€運(yùn)動(dòng)，也就是將操作轉(zhuǎn)矩變?yōu)椴僮魍屏Α?閘閥開(kāi)啟時(shí)：閘板提升高度等于閥門(mén)通徑的1：1倍，流體的通道完全暢通。閘閥關(guān)閉時(shí)密封面可以只依靠介質(zhì)壓力來(lái)密封，即依靠介質(zhì)壓力將閘板的密封面壓向另一側(cè)的閥座來(lái)保證密封面的密封，這就是自密封。大部分閘閥是采用強(qiáng)制密封的，即閥門(mén)關(guān)閉時(shí)，要依靠外力強(qiáng)行將閘板壓向閥座 , 以保證密封面的密封性。在管路中閘閥只能作全開(kāi)和全關(guān)切斷用，不能作調(diào)節(jié)和節(jié)流。力士樂(lè)液壓?jiǎn)蜗蜷y單價(jià)</p><p style="text-indent:25px">廈門(mén)市冠來(lái)機(jī)電設(shè)備有限公司致力于機(jī)械及行業(yè)設(shè)備，是一家貿(mào)易型的公司。冠來(lái)機(jī)電致力于為客戶提供良好的水泵，閥門(mén)，變頻器，流量計(jì)，一切以用戶需求為中心，深受廣大客戶的歡迎。公司從事機(jī)械及行業(yè)設(shè)備多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專(zhuān)業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br 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