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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>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>斯波蘭壓力傳感器哪家好,制冷配件</p><p><span>***更新：</span>2021-01-20 04:19:25</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="ba9tdct" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海冰仆冷暖設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>徐佳華</p><p><span>郵箱: </span>444054147@qq.com</p><p><span>電話: </span>13761656620</p><p><span>傳真: </span>1_1</p><p><span>網(wǎng)址: </span>https://www.shbpln.com</p><p><span>手機(jī): </span>1-1</p><p><span>地址: </span>美丹路222號(hào)629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="lku4vkw" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="v7jfm4b" class="box"><p><p style="text-indent:25px">壓力控制器的選擇：1、選用控制器較好使預(yù)定設(shè)定值位于控制器設(shè)定值調(diào)節(jié)范圍的中間部分。一般為調(diào)節(jié)范圍的20[%]~80[%]。2、控制器要安裝在室外時(shí)，應(yīng)給予足夠的防護(hù)，以免受環(huán)境溫度的劇烈變化，陽(yáng)光直接輻射，腐蝕性氣體或水的滲入。3、安裝電纜時(shí)，應(yīng)選擇合適的電纜外徑，并將電纜引入處的壓緊的螺母擰緊，以免電纜松動(dòng)，并防止水或灰塵的滲入。4、對(duì)于有壓力峰值及脈沖壓力的受控液體介質(zhì)，可在控制器的接口上安裝一個(gè)壓力沖擊阻尼器，斯波蘭壓力傳感器哪家好，以消除不利影響。5、通斷電流不能大于額定值，斯波蘭壓力傳感器哪家好。6、安裝(或拆卸)控制器時(shí)要特別注意:1) 安裝(或拆卸)必須用扳手夾持傳感器的平面部份，相對(duì)防止傳感器和開(kāi)關(guān)殼體發(fā)生相對(duì)轉(zhuǎn)動(dòng)。2) 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)深度不可超過(guò)12mm。常見(jiàn)的有高壓壓力控制器，斯波蘭壓力傳感器哪家好、低壓壓力控制器、油壓控制器等。斯波蘭壓力傳感器哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="斯波蘭壓力傳感器哪家好,制冷配件" src="https://tyunfile.71360.com/UploadFile/bingpu/637401020949848971/4646600.png"></div><p style="text-indent:25px">熱力膨脹閥是組成制冷裝置的重要部件，是制冷系統(tǒng)中四個(gè)基本設(shè)備之一。它實(shí)現(xiàn)從冷凝壓力至蒸發(fā)壓力的壓降，直接決定整個(gè)系統(tǒng)的運(yùn)行性能。但是在實(shí)際工作中，熱力膨脹閥的運(yùn)行情況往往被忽視，使熱力膨脹閥成為設(shè)備維護(hù)中的一個(gè)死角。而定期檢查和調(diào)整熱力膨脹閥，對(duì)制冷設(shè)備的運(yùn)行壽命，節(jié)約能源，降低運(yùn)行成本，卻有著重要的意義。熱力膨脹閥是通過(guò)感受蒸發(fā)器出口氣態(tài)制冷劑的過(guò)熱度來(lái)控制進(jìn)入蒸發(fā)器的制冷劑流量。按照平衡方式不同，熱力膨脹閥分為外平衡式和內(nèi)平衡式。在工業(yè)冷卻設(shè)備中，一般采用外平衡式熱力膨脹閥。斯波蘭壓力傳感器哪家好因?yàn)殂~管可以彎曲、變形，它常常可以做成彎頭和接頭，光滑的彎曲允許銅管以任何角度折彎。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="斯波蘭壓力傳感器哪家好,制冷配件" src="https://tyunfile.71360.com/UploadFile/bingpu/637401021360181004/4386984.png"></div><p style="text-indent:25px">正常紫銅管道內(nèi)外表面應(yīng)無(wú)小孔、裂紋、起皮、起泡、夾雜、銅粉、積炭層、綠銹、臟污和嚴(yán)重氧化膜，并不允許存在明顯的劃傷、凹坑和斑點(diǎn)等缺陷；銅管內(nèi)部清潔干燥后，管口必須要用管帽、塞子或膠帶封堵嚴(yán)密。必要性：銅管在配管之前要保證內(nèi)部清潔、干燥。防止系統(tǒng)產(chǎn)生冰堵、臟賭導(dǎo)致制冷效果不好甚至燒毀壓縮機(jī)的發(fā)生。操作方法：對(duì)于盤管，管徑較小，管路彎曲，無(wú)法通過(guò)化學(xué)溶液擦洗的方法對(duì)管路內(nèi)部進(jìn)行清潔，故只能用高壓氮?dú)鈱?duì)其進(jìn)行高壓吹掃的方式。而對(duì)于直管，管路較粗，可以用鐵絲牽引被工業(yè)酒精浸濕的白布進(jìn)行銅管內(nèi)部的清潔。</p><p style="text-indent:25px">專業(yè)空調(diào)的膨脹在出廠后，已經(jīng)與蒸發(fā)器進(jìn)行較佳"匹配"。"匹配"就是要求膨脹閥和蒸發(fā)器一起工作能夠穩(wěn)定運(yùn)行的同時(shí)，產(chǎn)生較大的能量。每臺(tái)蒸發(fā)器均存在一條較小的穩(wěn)定信號(hào)線(MSS線)，如圖。從圖可知，在蒸發(fā)器的MSS線上，不同的制冷劑均對(duì)應(yīng)一臨界過(guò)熱度;當(dāng)蒸發(fā)器工作在MSS線左側(cè)，則制冷系統(tǒng)將不穩(wěn)定，若工作在MSS線右側(cè)，系統(tǒng)工作穩(wěn)定但過(guò)熱度太大而蒸發(fā)器的利用率不高;斜線為熱力膨脹閥的靜態(tài)線，理論上，工作點(diǎn)A應(yīng)該是較佳匹配點(diǎn)，此時(shí)蒸發(fā)器過(guò)熱度處于臨界狀態(tài)，制冷量較大且處于臨界穩(wěn)定狀態(tài)。熱力膨脹閥的調(diào)整工作，必須在制冷裝置正常運(yùn)行狀態(tài)下進(jìn)行，由于蒸發(fā)器出口處無(wú)法放置溫度計(jì)，可以利用壓縮機(jī)的吸氣壓力作為蒸發(fā)器內(nèi)的飽和壓力來(lái)校核過(guò)熱度。壓力控制器較廣使用在各制冷設(shè)備之中。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="斯波蘭壓力傳感器哪家好,制冷配件" src="https://tyunfile.71360.com/UploadFile/bingpu/637401021056401720/1896809.png"></div><p style="text-indent:25px">可調(diào)壓力控制器的液體部分的外殼使用304不銹鋼，傳感器內(nèi)部使用316L隔膜等離子焊接。它的特點(diǎn)是誤差小，耐高壓，耐高溫，耐腐蝕，穩(wěn)定性好。它主要用于爐膛壓力，工業(yè)廢水，高壓釜等輕微腐蝕的介質(zhì)或具有較高耐壓性的環(huán)境中。精度高，重復(fù)性誤差≤1％，測(cè)量范圍廣，還可以測(cè)量負(fù)壓，負(fù)壓開(kāi)關(guān)是主要用于高精度環(huán)境，例如發(fā)電廠，真空泵，壓縮機(jī)，循環(huán)水等工作條件。1.設(shè)定值應(yīng)位于壓力控制器可調(diào)節(jié)范圍的中間（上限的20％-80％）。2.開(kāi)關(guān)電流不得大于額定值（當(dāng)觸點(diǎn)頻繁動(dòng)作時(shí)，其不得超過(guò)額定值的60％）。3.將可調(diào)壓力控制器安裝在室外時(shí)，應(yīng)采取足夠的保護(hù)措施，以防止腐蝕性氣體，環(huán)境溫度的急劇變化，太陽(yáng)輻射，水滲透等。銅管抗腐蝕性能強(qiáng)，不易氧化，且與一些液態(tài)物質(zhì)不易起化學(xué)反應(yīng)，容易煒彎造型。斯波蘭壓力傳感器哪家好</p><p style="text-indent:25px">壓力控制器通斷電流不能大于額定值。斯波蘭壓力傳感器哪家好</p><p style="text-indent:25px">在調(diào)整熱力膨脹閥之前，必須確認(rèn)設(shè)備制冷異常是由于熱力膨脹閥偏離較佳工作點(diǎn)引起的，而不是因?yàn)榉荷?、干燥過(guò)濾器堵塞、濾網(wǎng)、風(fēng)機(jī)等其他原因所引起的。同時(shí)，必須保證感溫包采樣信號(hào)的正確性，感溫包必須水平安裝在回氣管的下側(cè)方45度的位置，相對(duì)不可安裝在管道的正下方，以防管子底部積油等因素影響感溫包正確感溫。更不能安裝在立管上。檢查冷凝器風(fēng)機(jī)控制方式，盡量采用調(diào)速控制，以保證冷凝壓力恒定。熱力膨脹閥的調(diào)整工作，必須在制冷裝置正常運(yùn)行狀態(tài)下進(jìn)行。斯波蘭壓力傳感器哪家好</p><p style="text-indent:25px">上海冰仆冷暖設(shè)備有限公司致力于化工，是一家貿(mào)易型的公司。公司業(yè)務(wù)分為制冷劑廠家直銷，冷凍油廠家直銷，壓縮機(jī)批發(fā)銷售，制冷配件批發(fā)銷售等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠(chéng)信為本的理念，打造化工良好品牌。冰仆冷暖設(shè)備立足于全國(guó)市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2925294.html</p></div></div></div></div></div><div id="tnhb2wy" class="page-right twoColRt"><div id="788jf4r" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="bamwyn3" class="recomPic likePro"><a 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