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src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407044752052247/2410496.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="n38zn72" 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>消防差壓開關(guān)供應(yīng),壓力開關(guān)</p><p><span>***更新：</span>2021-02-07 09:16:40</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="gy8espp" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海翼爾電子科技有限公司</a></p><p><span>聯(lián)系人：</span>趙“S</p><p><span>郵箱: </span>yeertec@163.com</p><p><span>電話: </span>13361991561</p><p><span>傳真: </span>021_57155131</p><p><span>網(wǎng)址: </span>http://www.yeer-tec.com</p><p><span>手機(jī): </span>021-57488360</p><p><span>地址: </span>海灣旅游區(qū)莘奉公路4960號110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="3xjwkt2" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="coreuhe" class="box"><p><p style="text-indent:25px">壓力開關(guān)在使用過程中的安裝和維護(hù)：為了避免損害器件，耐壓和溫度不能超過說明書內(nèi)允許的范圍，即使是短暫的過程中。操作中可以允許在啟動(dòng)和測試時(shí)達(dá)到大壓力和溫度，但是在連續(xù)操作中，一定要嚴(yán)格安裝范圍制定的數(shù)據(jù)來操作。長時(shí)間的工作在較大壓力和溫度下會(huì)減小傳感器的壽命。一個(gè)備用件在惡劣環(huán)境應(yīng)用中非常必要，如元件的損壞可能會(huì)危及到生命和財(cái)產(chǎn)，消防差壓開關(guān)供應(yīng)，或高低限的失控將導(dǎo)致系統(tǒng)崩潰。必須要注意控制器量程的選擇，消防差壓開關(guān)供應(yīng)，確保在無意甚至有意的情況下的設(shè)定值錯(cuò)誤選擇也不會(huì)導(dǎo)致系統(tǒng)安全上有隱患，消防差壓開關(guān)供應(yīng)。機(jī)械壓力開關(guān)，為純機(jī)械形變導(dǎo)致微動(dòng)開關(guān)動(dòng)作。消防差壓開關(guān)供應(yīng)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="消防差壓開關(guān)供應(yīng),壓力開關(guān)" src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407044752052247/2410496.png"></div><p style="text-indent:25px">壓力開關(guān)拆卸：一、拆卸的時(shí)候先一點(diǎn)我們要判斷周圍有沒有可燃的物質(zhì)。二、不能用非正常手段拆卸，這樣對機(jī)器設(shè)備的實(shí)用性存在一定的問題。三、在拆卸的時(shí)候一定要保持壓力開關(guān)與設(shè)備直接的相對平穩(wěn)性，防止傳感器與開關(guān)殼體發(fā)生相對轉(zhuǎn)動(dòng)。四、當(dāng)傳感器接口為內(nèi)螺紋時(shí)，管道接頭旋入傳感器內(nèi)深度不可過12mm。壓力開關(guān)設(shè)定點(diǎn)誤差檢定點(diǎn)的選擇問題：對設(shè)定點(diǎn)可調(diào)的開關(guān),設(shè)定點(diǎn)誤差應(yīng)在開關(guān)量程的10% ,50% ,90%三個(gè)刻度處進(jìn)行。但實(shí)際情況是經(jīng)常把開關(guān)的量程設(shè)定在20%和80%處，這樣可以有效的利用壓力開關(guān)，保證壓力開關(guān)正常運(yùn)行。消防差壓開關(guān)供應(yīng)壓力開關(guān)包含低壓壓力開關(guān)，其工作原理大致相同。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="消防差壓開關(guān)供應(yīng),壓力開關(guān)" src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407045009845304/3790861.png"></div><p style="text-indent:25px">壓力開關(guān)是一種簡單的壓力控制裝置，當(dāng)被測壓力達(dá)到額定值時(shí)，壓力開關(guān)可發(fā)出報(bào)警或控制信號。壓力開關(guān)的工作原理：是當(dāng)系統(tǒng)內(nèi)壓力高于或低于而定的安全壓力時(shí)，感應(yīng)器內(nèi)膜片瞬時(shí)發(fā)生移動(dòng)，通過連接導(dǎo)桿推動(dòng)開關(guān)接頭接通或斷開，當(dāng)壓力降至或升至而定的恢復(fù)值時(shí)，膜片瞬復(fù)位，開關(guān)自動(dòng)復(fù)位，或者簡單的說時(shí)當(dāng)被測壓力超過額定值時(shí)，彈性元件的自由端產(chǎn)生位移，直接或經(jīng)過比較后推動(dòng)開關(guān)元件，改變開關(guān)元件的通斷狀態(tài)，達(dá)到控制被測壓力的目的。壓力開關(guān)采用的彈性元件有單圈彈簧管、膜片、膜盒及波紋管等。</p><p style="text-indent:25px">在替換機(jī)械式壓力開關(guān)上，固態(tài)壓力開關(guān)價(jià)格（$300起）會(huì)讓許多用戶望而卻步。但是如果用在新設(shè)計(jì)系統(tǒng)時(shí)，電子式壓力開關(guān)的使用可能會(huì)成為具有成本效益的解決方案。當(dāng)系統(tǒng)需要多個(gè)輕觸開關(guān)點(diǎn)，本地儀表和變送器，固態(tài)壓力開關(guān)可將安裝成本降低一半。壓力開關(guān)是依照設(shè)定的壓力大小，在抵達(dá)設(shè)定值時(shí)，主動(dòng)接通或斷開的效用開關(guān)。壓力開關(guān)、壓力繼電器，只能在你給定的壓力下，打開或開啟開關(guān)，用來發(fā)展容易的位式管束,都是開關(guān)量輸出。壓力繼電器比壓力開關(guān)籠統(tǒng)供應(yīng)更多的輸入節(jié)點(diǎn)或節(jié)點(diǎn)類型。壓力傳感器輸出可以是仿照信號，也能夠是數(shù)字信號，后級處置懲罰方便，也能夠變成標(biāo)準(zhǔn)變送器信號用于近程傳輸。壓力開關(guān)豎直安裝在通往水力警鈴的管道上，安裝中不得拆裝改動(dòng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="消防差壓開關(guān)供應(yīng),壓力開關(guān)" src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407044894278809/8830631.png"></div><p style="text-indent:25px">壓力開關(guān)是可以用到泵的聯(lián)鎖控制回路上。由于壓力開關(guān)一般提供一對常開點(diǎn)，一對常閉點(diǎn)，所以根據(jù)控制回路的要求選擇常開常閉點(diǎn)。因?yàn)樯a(chǎn)壓力開關(guān)的廠的不同，所以形式也存在著多樣性，有些是不需要供電，有些就需要供電。電子式的就需要供電，而機(jī)械式的就不需要供電；壓力開關(guān)的供電和接點(diǎn)電壓是不同的概念，電子壓力開關(guān)，供電電壓和是否直流交流，要看開關(guān)的電子設(shè)計(jì)，不同原理，不同電路，其要求是不同的，有的24VDC，有的是220VAC；而開關(guān)的接點(diǎn)電壓，是由其控制電路決定的，如控制泵，則由電機(jī)的控制電路決定，有的是220V AC，有的是380V AC，如果是送到DCS，則一般是24VDC。壓力開關(guān)具有比較高的精確度和穩(wěn)定性能。消防差壓開關(guān)供應(yīng)</p><p style="text-indent:25px">壓力開關(guān)使用注意：壓力設(shè)定值上限必須大于壓差設(shè)定值。消防差壓開關(guān)供應(yīng)</p><p style="text-indent:25px">壓力開關(guān)的日常維護(hù)：1.要定期對壓力控制器的元件進(jìn)行預(yù)防性的維護(hù)和檢查，否則會(huì)危及到財(cái)產(chǎn)和人員安全。2.要對壓力控制器的元件進(jìn)行監(jiān)控，觀察元件是否有設(shè)定點(diǎn)漂移或顯示錯(cuò)誤的情況；若有，要立刻對元件進(jìn)行檢查。3.防止渣滓在導(dǎo)管內(nèi)沉積和壓力開關(guān)與腐蝕性或過熱的介質(zhì)接觸。4.測量氣體壓力時(shí)，取壓口應(yīng)開在流程管道頂端，并且壓力開關(guān)也應(yīng)安裝在流程管道上部，以便積累的液體容易注入流程管道中。測量液體壓力時(shí)，取壓口應(yīng)開在流程管道的側(cè)面，以避免沉積積渣。壓力開關(guān)的安裝位置應(yīng)避免液體的沖擊（水錘現(xiàn)象），以免壓力開關(guān)過壓損壞。消防差壓開關(guān)供應(yīng)</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3201422.html</p></div></div></div></div></div><div id="nuluxkg" class="page-right twoColRt"><div id="hkjs8gd" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="act3i3r" 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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