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class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產品關鍵詞：</span>遼寧耐磨損非標橡膠墊片定制加工廠家,非標橡膠墊片</p><p><span>***更新：</span>2021-01-31 04:14:08</p><p><span id="click" >瀏覽次數(shù)：8次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="gvsk38c" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無錫萬和精密軸承有限公司</a></p><p><span>聯(lián)系人：</span>夏明洋</p><p><span>郵箱: </span>wuxiwanhexiangjiao@163.com</p><p><span>電話: </span>14751531121</p><p><span>傳真: </span>0510_</p><p><span>網(wǎng)址: </span>http://www.whxs1688.com</p><p><span>手機: </span>0510-83300919</p><p><span>地址: </span>無錫惠山經(jīng)濟開發(fā)區(qū)玉祁配套區(qū)蓉塘路28號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="3olczgi" class="page-proshow02"><p class="title">詳細說明</p><div id="uz3vrdp" class="box"><p><p style="text-indent:25px">橡膠密封圈膠料配方設計：配方設計地原則橡膠配方一般由生膠、硫化防老劑補強劑體系，遼寧耐磨損非標橡膠墊片定制加工廠家、防護體系、補強體系、軟化體系組成。配方設計的目的是為了尋求各種配合組份的較佳配比組合，從而獲得良好的綜合性能。配方設計較終要達到如下目的∶1、滿足密封圈使用性能要求。2、膠料加工工藝性能良好。3、在保證產品質量的前提下盡量選擇價格便宜、來源豐富、無毒或低毒、性能穩(wěn)定的原材料。橡膠配方按其用途可分為試驗配方和實用配方。前者是為了研究或鑒定某種原材料與硫化膠及混煉膠性能之間的關系，遼寧耐磨損非標橡膠墊片定制加工廠家，在組成上力求簡單。實用配方則主要研究硫化膠性能與產品實際使用性能及混煉膠工藝性能之間的關系。實用配方的制定過程為∶產品使用的環(huán)境條件、制造工藝分析－à選擇膠種以及組成配方的各種配合劑組成試驗配方－à性能評價試驗－à組份調整改進－à擴大試驗，遼寧耐磨損非標橡膠墊片定制加工廠家，確定實用配方。墊片的型式和適用范圍應符合設計文件以及國家和相關行業(yè)現(xiàn)行有效標準的規(guī)定。遼寧耐磨損非標橡膠墊片定制加工廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧耐磨損非標橡膠墊片定制加工廠家,非標橡膠墊片" src="https://tyunfile.71360.com/WaterMark/UploadFile/wanhejmzc/637438811087450122/3096915.png"></div><p style="text-indent:25px">幾大類墊片的選用解析：聚四氟乙烯在受壓及高溫下易冷流及蠕變，故一般用于低壓、中溫、強腐蝕以及不允許污染的介質，如強酸、強堿、鹵素、藥品等。安全使用溫度在150℃，壓力1MPa以下。填充聚四氟乙烯雖然強度高些，但使用溫度也不超過200℃，且耐腐蝕能力下降。聚四氟乙烯包墊較高使用壓力一般不超過2MPa。由于溫度升高，材料發(fā)生蠕變，致使密封壓力明顯下降。即使不升溫，隨著時間的延長，密封面的壓緊應力也會下降，產生“應力松弛現(xiàn)象。該現(xiàn)象在各種墊片中都會產生，只是聚四氟乙烯墊的應力松弛現(xiàn)象較為嚴重，應予注意。聚四氟乙烯的摩擦系數(shù)較小(壓緊應力大于4MPa，摩擦系數(shù)為0.035~0.04)，預緊時墊片易向外滑移，所以較好采用凹凸式法蘭面。當采用平面法蘭時，可將墊片外徑接觸螺栓，利用螺栓阻止墊片外滑。四川非標橡膠墊片價格要著重檢查密封槽的情況，必要時進行修復。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧耐磨損非標橡膠墊片定制加工廠家,非標橡膠墊片" src="https://tyunfile.71360.com/WaterMark/UploadFile/wanhejmzc/637438814291805301/5344863.png"></div><p style="text-indent:25px">幾大類墊片的選用解析：工業(yè)橡膠板天然橡膠適用于水、海水、空氣、惰性氣體、堿類、鹽類水溶液等介質，但不耐礦物油和非極性溶劑，長期使用溫度不超過90℃，低溫性能優(yōu)異，可在-60℃以上使用。丁腈橡膠適用于石油類產品，如石油、潤滑油、燃料油等，長期使用溫度為120℃，如在熱油中可耐150℃，低溫為-10~-20℃。氯丁橡膠適用于海水、弱酸、弱堿、鹽溶液，耐氧和臭氧老化性能優(yōu)異，耐油性次于丁腈橡膠而優(yōu)于其他通用橡膠，長期使用溫度低于90℃，較高使用溫度不超過130℃，低溫為-30~-50℃。氟橡膠有多個品種，它們分別具有良好的耐酸、耐氧化性能以及耐油、耐溶劑性能。可以在幾乎所有的酸類介質以及一些油和溶劑中使用，長期使用溫度低于200℃。橡膠板材作為法蘭墊片，多用于管道或經(jīng)常拆卸的人孔、手孔，壓力不超過1.568MPa。因在各類墊片中，橡膠墊片較軟，貼合性能好，在較小的預緊力下就能發(fā)揮密封效果。正因如此，在承受內壓時，因墊片偏厚或硬度偏低而容易被擠出。</p><p style="text-indent:25px">密封墊片使用的注意事項有哪些：1、用增強布增加了強度的橡膠板密封墊片容易導致增強布之間的滲透泄漏發(fā)生；為避免滲透泄漏，一般選擇其它的密封墊片。2、因流體的不同，密封墊片有可能會產生膨潤、溶解。因此必須選擇適合該流體的材質。3、如果用較大緊固力緊固時，密封墊片會從螺栓與螺栓之間擠出，需注意不要過度緊固。4、作為全平面密封墊片用于Class 150/PN2.0以下法蘭密封。5、如果密封墊片相對柔軟，則不易平滑地裝在法蘭上，所以對于某種法蘭推薦使用4.0mm以上的墊片。熱交換器得以密封運行主要取決于橡膠墊片因壓縮而產生的瞬時密封應力和熱交換器操作壓力之間的比較。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧耐磨損非標橡膠墊片定制加工廠家,非標橡膠墊片" src="https://tyunfile.71360.com/WaterMark/UploadFile/wanhejmzc/637438810851131593/8969973.png"></div><p style="text-indent:25px">怎樣判斷板式熱交換器橡膠密封墊片的好壞：看物理性能墊片在高溫下的物理性能強弱是判斷墊片好壞的重要指標。橡膠墊片的物理性能主要取決于配方一混煉和硫化工藝（包括硫化的壓力、溫度、時間等）。通常，硫化一模壓的壓力應不小于9．8MPa，溫度為160～185C，時間為3～15min，視膠種而異；為了提高生產能力，硫化一模壓后的橡膠墊片尚應靜置于烘箱內，在均勻的溫度下，保溫一定的時間，較終完成硫化過程。物理性能將隨使用時間和溫度的增高而惡化。一般，在推薦的橡膠墊片較高使用溫度下，連續(xù)使用的平均壽命約為兩年。超過較高溫度10°C，平均壽命約縮短一半。但是，短時間超溫，影響不大。室溫下物理性能良好的墊片，在高溫、連續(xù)使用的情況下，可能會變得很差。為此，保證墊片高溫下的物理性能非常重要。重排隨著橡膠的變形而逐漸接衡，密封應力與時間的對數(shù)呈線性關系。四川非標橡膠墊片價格</p><p style="text-indent:25px">運動摩擦阻力小，適合于壓力交變的場合。遼寧耐磨損非標橡膠墊片定制加工廠家</p><p style="text-indent:25px">橡膠密封墊片維保及更換的主要步驟為：是對于粘接式密封墊，將徹底除去殘留的物質，使用調和式粘接膠重新粘接，重新組合的換熱器片組在**夾具中夾緊，使粘接劑固化，在保溫爐中加熱保溫，以達到較佳的粘接效果。在流程工業(yè)設備中，板式換熱器是一種安全性要求很高的設備，當密封墊損壞后，出現(xiàn)的外滴漏是可見的。熱交換器、換熱器等一開始都會出現(xiàn)輕微的滴漏，在壓力沖擊較大的流程設備中，則可能因密封墊的損壞而出現(xiàn)較大的泄漏。在強大的壓力沖擊下，有時可將密封墊離開板式換熱器正確的安裝位置，嚴重時甚至從換熱器中脫出。在這種情況下，必須馬上停止設備的工作，使換熱器在無壓力的情況下冷卻到室溫。遼寧耐磨損非標橡膠墊片定制加工廠家</p><p> 無錫萬和橡塑有限公司（原無錫萬和精密軸承有限公司）位于無錫玉祁工業(yè)園區(qū)，是國內專業(yè)從事橡膠制品、塑料制品的專業(yè)廠家。公司是集研究開發(fā)、生產、銷售、技術咨詢于一體的綜合型企業(yè)。公司技術力量雄厚。擁有國內的注塑設備、模壓設備、檢測設備及橡塑專業(yè)的定制生產設備。公司可生產制作的原料材質有：丁腈膠，三元乙丙膠，丁基膠，氯丁膠，氯醇膠，硅膠，氟膠，聚氨酯，聚四氟乙烯等，塑料有：通用塑料(聚乙烯、聚丙烯、聚氯乙烯、聚苯乙烯、ABS等)，熱固性塑料(酚醛、環(huán)氧樹脂、不飽和聚酯、聚氨酯、有機硅、氨基樹脂等)，熱固性塑料(酚醛、環(huán)氧樹脂、不飽和聚酯、聚氨酯、有機硅、氨基樹脂等)，熱塑性工程塑料(聚酰胺PA、聚碳酸酯、聚甲醛、PET、PBT等塑料)。共兩大系列200多個品種。產品可廣泛應用于化工、印染、顏料、儲運、電廠、稀土、冶金、電子、環(huán)保、制藥、釀造、電機、氣動、汽車等行業(yè)。公司可根據(jù)客戶提供的溫度、使用條件等不同為客戶選擇的使用原料、來達到客戶的滿意。經(jīng)過十余年的經(jīng)營，公司產品和服務贏得了諸多的合作和好評。歡迎各位客戶蒞臨本廠指導工作和商談合作、共同發(fā)展?。?！ </p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3089227.html</p></div></div></div></div></div><div id="7ikhy7q" class="page-right twoColRt"><div id="ynuronu" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="qkcz7xj" 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" 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