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src="https://tyunfile.71360.com/UploadFile/shdatian/637343241264736328/8875293.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="hb8g7bd" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdatian/637343241264736328/8875293.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="vp223np" 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>流量閥定制哪家好,自動(dòng)再循環(huán)閥</p><p><span>***更新：</span>2021-01-28 05:13:10</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="7dp2fc8" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海大田閥門管道工程有限公司</a></p><p><span>聯(lián)系人：</span>余璐辰</p><p><span>郵箱: </span>business@dtjt.com</p><p><span>電話: </span>18621060309</p><p><span>傳真: </span>21_</p><p><span>網(wǎng)址: </span>https://www.dtjt.com</p><p><span>手機(jī): </span>21-68106370</p><p><span>地址: </span>祝橋鎮(zhèn)工業(yè)城</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="ocutfmj" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="r3jas8w" class="box"><p><p style="text-indent:25px"> 自動(dòng)再循環(huán)閥封閉后，因?yàn)榻橘|(zhì)或環(huán)境溫度的變化，自動(dòng)再循環(huán)閥部件的熱膨脹會(huì)使閘板和閥座之間的壓力變大，反映到閥桿螺母上，就為再此開啟自動(dòng)再循環(huán)閥帶來難題。所以，開啟自動(dòng)再循環(huán)閥所需的力矩比封閉自動(dòng)再循環(huán)閥所需的力矩大，此外，流量閥定制哪家好，對(duì)于一對(duì)互相接觸的密封面來說，流量閥定制哪家好，它們之間的靜摩擦系數(shù)也比動(dòng)摩擦系數(shù)大，要使它們從靜止?fàn)顟B(tài)產(chǎn)生相對(duì)運(yùn)動(dòng)，需施加較大的力以克服靜摩擦力；因?yàn)闇囟茸兓?，流量閥定制哪家好，使密封面間的壓力變大，需要克服的靜摩擦力也隨之變大，從而使開啟自動(dòng)再循環(huán)閥時(shí)，對(duì)閥桿螺母上施加的力矩有時(shí)會(huì)增大良多。金屬密封自動(dòng)再循環(huán)閥產(chǎn)品不適合裝置于管路結(jié)尾.流量閥定制哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="流量閥定制哪家好,自動(dòng)再循環(huán)閥" src="https://tyunfile.71360.com/UploadFile/shdatian/637343241264736328/8875293.png"></div><p style="text-indent:25px"> 自動(dòng)再循環(huán)閥獨(dú)特的折彎工藝，有效減小了自動(dòng)再循環(huán)閥的體積，實(shí)現(xiàn)了制冷劑、冷熱水與空氣的穩(wěn)定換熱。冷卻水耗量有效的降低，減少了空冷器對(duì)冷卻水流量和壓力供給的需要。提高了送出壓縮空氣的質(zhì)量，降低了壓縮空氣中水分等的含量。自動(dòng)再循環(huán)閥若壁溫過低，同時(shí)換熱器的功率也會(huì)隨之降低，因此，挑選自動(dòng)再循環(huán)閥的時(shí)候，需要注意外表負(fù)荷的大小。噴冷凍水的話,將起到降溫減濕的作用,這和自動(dòng)再循環(huán)閥是類似的;如果噴的是蒸汽,將會(huì)達(dá)到增溫加濕的效果;寧夏自動(dòng)再循環(huán)閥大概多少錢控制循環(huán)系統(tǒng)由止回閥、流量計(jì)、小流量調(diào)節(jié)閥、控制系統(tǒng)組成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="流量閥定制哪家好,自動(dòng)再循環(huán)閥" src="https://tyunfile.71360.com/UploadFile/shdatian/637343241974296875/6282454.png"></div><p style="text-indent:25px"> 自動(dòng)再循環(huán)閥安裝注意事項(xiàng)：應(yīng)垂直安裝在水平管道上，并應(yīng)考慮到手操和維修拆裝的方便。安裝閥門時(shí)，一般應(yīng)考慮設(shè)置旁道管路。安裝時(shí)，應(yīng)避免給閥門帶來附加的應(yīng)力，以免因溫度或自重影響閥門的正常使用。當(dāng)閥門安裝在較長(zhǎng)的管道上時(shí)，應(yīng)安裝支架，振動(dòng)劇烈的場(chǎng)合必須輔以支承或采取相應(yīng)的避振措施。安裝時(shí)，應(yīng)使介質(zhì)流向與閥體流向標(biāo)志一致，安裝后對(duì)管道清洗時(shí)，應(yīng)使閥門處于大開度。安裝在室外的電動(dòng)閥應(yīng)加保護(hù)措施，以防曝曬和雨淋。自動(dòng)再循環(huán)閥出廠前已經(jīng)調(diào)試好，安裝前不需要解體。</p><p style="text-indent:25px"> 自動(dòng)再循環(huán)閥特點(diǎn)：自動(dòng)再循環(huán)閥具有結(jié)構(gòu)簡(jiǎn)單、體積小、重量輕、材料耗用省，安裝尺寸小，開關(guān)迅速、90°往復(fù)回轉(zhuǎn)，驅(qū)動(dòng)力矩小等特點(diǎn)，用于截?cái)?、接通、調(diào)節(jié)管路中的介質(zhì)，具有良好的流體控制特性和關(guān)閉密封性能。自動(dòng)再循環(huán)閥可以運(yùn)送泥漿，在管道口積存液體少。低壓下，可以實(shí)現(xiàn)良好的密封。調(diào)節(jié)性能好。蝶板的流線型設(shè)計(jì)，使流體阻力損失小，可謂是一種節(jié)能型產(chǎn)品。閥桿為通桿結(jié)構(gòu)，經(jīng)過調(diào)質(zhì)處理，有良好的綜合力學(xué)性能和抗腐蝕性，抗擦傷性。自動(dòng)再循環(huán)閥啟閉時(shí)閥桿只作旋轉(zhuǎn)運(yùn)動(dòng)而不作升降運(yùn)行，閥桿的填料不易破壞，密封可靠。與蝶板錐銷固定，外伸端為防沖出型設(shè)計(jì)，以免在閥桿與蝶板連接處意外斷裂時(shí)閥桿崩出。自動(dòng)再循環(huán)閥不需要電氣配線，也不需要兩個(gè)調(diào)節(jié)閥串聯(lián)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="流量閥定制哪家好,自動(dòng)再循環(huán)閥" src="https://tyunfile.71360.com/UploadFile/shdatian/637343241812021484/6437117.png"></div><p style="text-indent:25px"> 自動(dòng)再循環(huán)閥又稱自動(dòng)再循環(huán)閥或小流量閥，用于離心泵小流量的自動(dòng)再循環(huán)，防止離心泵在低負(fù)載下由于過熱，噪音、振動(dòng)帶來的損壞。自動(dòng)再循環(huán)閥為自力式控制閥，不需要外部供給能源。與傳統(tǒng)的控制閥系統(tǒng)相比，具有以下明顯優(yōu)勢(shì)：在前期產(chǎn)品采購(gòu)、安裝調(diào)試，以及后期的維護(hù)方面，具有明顯的成本優(yōu)勢(shì)，總體費(fèi)用比傳統(tǒng)控制閥系統(tǒng)低2/3旁路流量可調(diào)節(jié)控制，閥門整體運(yùn)行具有高經(jīng)濟(jì)性完全機(jī)械結(jié)構(gòu)，依靠流量控制閥門，不需要額外的能源。實(shí)現(xiàn)泵的保護(hù)只只只需一個(gè)閥，不需其他額外組件。因此不受系統(tǒng)故障影響。隨著防化學(xué)腐蝕的合成橡膠在自動(dòng)再循環(huán)閥上的應(yīng)用，自動(dòng)再循環(huán)閥的性能得以提高.寧夏自動(dòng)再循環(huán)閥大概多少錢</p><p style="text-indent:25px">自動(dòng)再循環(huán)閥裝置前道確認(rèn)產(chǎn)品功能和介質(zhì)流向箭頭是否與運(yùn)動(dòng)工況相符.流量閥定制哪家好</p><p style="text-indent:25px"> 自動(dòng)再循環(huán)閥具有以下明顯優(yōu)勢(shì)：在前期產(chǎn)品采購(gòu)、安裝調(diào)試，以及后期的維護(hù)方面，具有明顯的成本優(yōu)勢(shì)，總體費(fèi)用比傳統(tǒng)控制閥系統(tǒng)低2/3；旁路流量可調(diào)節(jié)控制，閥門整體運(yùn)行具有高經(jīng)濟(jì)性；完全機(jī)械結(jié)構(gòu)，依靠流量控制閥門，不需要額外的能源。實(shí)現(xiàn)泵的保護(hù)只只只需一個(gè)閥，不需其他額外組件。因此不受系統(tǒng)故障影響。自動(dòng)再循環(huán)閥主要用途是什么？自動(dòng)再循環(huán)閥主要安裝在離心泵的出口處，作用是當(dāng)離心泵出口流量低于小流量時(shí)，自動(dòng)再循環(huán)閥旁路打開，將泵設(shè)計(jì)的小流量經(jīng)旁路回流至泵吸入設(shè)備，避免離心泵因過熱，汽蝕導(dǎo)致?lián)p壞。流量閥定制哪家好</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3044342.html</p></div></div></div></div></div><div id="pzgdfel" class="page-right twoColRt"><div id="g8byv28" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="qk2bftv" 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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