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href="http://www.cdcfah.com/cp/third-bengtc_bpjwp/">泵配件</a>?鹽城離心泵密封源頭直供廠家服務至上漣水創(chuàng)密機械供應</p><div id="rfbxjfb" class="leftbox clearfix"><h1>鹽城離心泵密封源頭直供廠家服務至上漣水創(chuàng)密機械供應</h1><div id="n8zqhd3" class="proBig"><div id="hpghykg" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247298675996094/8215396.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="xfc7ctu" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247298675996094/8215396.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ec8f8cr" 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>鹽城離心泵密封源頭直供廠家,封</p><p><span>***更新：</span>2020-08-28 21:18:12</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="c8evahd" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">漣水創(chuàng)密機械制造有限公司</a></p><p><span>聯(lián)系人：</span>袁經理</p><p><span>郵箱: </span>lscmjx@163.com</p><p><span>電話: </span>15250888877</p><p><span>傳真: </span>153_</p><p><span>網址: </span></p><p><span>手機: </span>153-66621921</p><p><span>地址: </span>高溝鎮(zhèn)高揚民營經濟產業(yè)園</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="3o8v4tk" class="page-proshow02"><p class="title">詳細說明</p><div id="yw8gklx" class="box"><p><p> 泵用機械密封選型要點 </p> <p> 美國石油協(xié)會API 682(Pumps-Shaft Sealing Systems for Centrifugal and Rotary Pumps)標準中對機械密封的類別(Categories)、類型(Types)、布置方式(Arrangements)、沖洗方案(Flush plans)等進行了分類，在工程應用中機械密封的選型也應注重以上要點進行分析，鹽城離心泵密封源頭直供廠家。 </p> <p> 另外，機械密封的 pV 值是選擇，鹽城離心泵密封源頭直供廠家、使用和設計機械密封的重要參數(shù)，功耗、磨損與溫升都與該值有關。pV 值越高，鹽城離心泵密封源頭直供廠家，機械密封的技術水平及難度系數(shù)越高。 </p> <p> 機械密封類別(Categories)的選擇機械密封在流體機械中發(fā)揮著非常重要的作用，可以有效防止機械內部的介質流出泵外。鹽城離心泵密封源頭直供廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鹽城離心泵密封源頭直供廠家,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247298675996094/8215396.jpg"></div><p> 油封的裝配，無論油封的安裝部分設計和油封的選擇多么適宜，如果組裝的粗糙，也不能充分發(fā)揮油封預定的功能。 </p> <p> <span style="font-size:12px;">油封安裝時,外表面應涂上適當?shù)臐櫥瑒娇趹可线m合的清潔潤滑脂，帶有防塵唇的油封，應在主付唇間填滿適合的清潔潤滑脂，再進行裝配.把油封的密封唇口端朝向密封介質一側,切忌反向裝配.油封裝入座孔時,應采用**工具推入,防止位置偏斜.油封唇緣通過的螺紋,鍵槽,花鍵等處應采取各種措施來防止唇緣損傷,并用**工具裝配.油封應水平放入座孔，并均勻加壓，請勿傾斜強制推進。</span> </p> <p> <br /> 蘇州容積泵密封源頭直供廠家密封件必須避開強光照射，避免密封件被空氣中臭氧侵蝕或提早老化。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鹽城離心泵密封源頭直供廠家,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247266600576172/7557626.jpg"></div><p> 密封墊片的種類有很多，不同材料、不同形狀的墊片有不同的作用。如果選錯了墊片，不僅不能很好的密封，還可能變?yōu)榘踩?，隨時有發(fā)生危險的可能。你知道密封墊片有哪些嗎，他們有什么特點？ </p> <p> 工業(yè)橡膠板 </p> <p> 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。 </p> <p> 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℃。 </p> <p> 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℃，比較高使用溫度不超過130℃，低溫為-30~-50℃。 </p> <p> 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?？梢栽趲缀跛械乃犷惤橘|以及一些油和溶劑中使用，長期使用溫度低于200℃。 </p> <p> 橡膠板材作為法蘭墊片，多用于管道或經常拆卸的人孔、手孔，壓力不超過1.568MPa。因在各類墊片中，橡膠墊片**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> <br /> </p><p> 離心泵的機械密封使用與潤滑保養(yǎng) </p> <p> <p> 在液體介質中工作的機械密封，一般均依靠液體介質在動、靜環(huán)摩擦面間所形成的液膜進行潤滑。因此，維持摩擦面間的液膜是機械密封穩(wěn)定運轉、延長使用壽命所必不可少的。 </p> <p> 強化潤滑的結構 </p> <p> 靜壓潤滑： </p> <p> 所謂靜壓潤滑是將有壓力的潤滑液體直接引入摩擦面以起到潤滑的作用。用此有壓力的潤滑液與機械內的流體壓力相對抗，此種形式通常也稱為流體靜壓力密封。引入的潤滑液體由單獨的液源供給，如液壓泵等。只要條件允許，應盡可能把氣體介質條件轉換為液體介質條件，這樣既便于潤滑又便于密封。氣體介質的機械密封應采取措施建立氣膜潤滑，如采用氣體靜壓受控膜機械密封或固體潤滑，即選用自潤滑材料作動環(huán)或靜環(huán)。 </p> <p> 端面偏心： </p> <p> 一般機械密封，動環(huán)的中心、靜環(huán)的中心和軸的中心線都在一條直線上，偏心尺寸不能過大，特別是對于高壓，偏心會使端面所受的壓力不均勻，而造成磨損不均勻。對于高轉速密封，不宜用動環(huán)作為偏心環(huán)，否則由于離心力的平衡會使機器發(fā)生振動。如果將動環(huán)或靜環(huán)中的某一個環(huán)的端面中心做成與軸的中心線偏移部分距離，便能使環(huán)在旋轉時不斷帶入潤滑液至滑動面間起潤滑作用。 </p> <p> <br /> </p> 熱裂是高溫油泵，如油渣泵、回煉油泵、常減壓塔底泵等**常見的失效現(xiàn)象。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鹽城離心泵密封源頭直供廠家,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293279589844/7625641.jpg"></div><p> 泵用機械密封是精密的部件，制造精度及安裝精度要求都很嚴格，如果裝配不當就會影響密封性能，要正確安裝必須注意以下幾點： </p> <p> 泵用機械密封的冷卻和沖洗 </p> <p> 第一種冷卻形式由水泵的出口或高壓端，將輸送的干凈介質，直接沖洗密封端面，然后進入泵腔內，通過介質的不斷循環(huán)，將磨擦端面的的磨擦熱帶走達到冷卻的效果。 </p> <p> 第二種冷卻方式在第一種冷卻形式的基礎上在靜環(huán)的背部增加一冷卻水套，冷卻效果有所改善，并可以沖洗，收集泄露出來的液體。當密封介質溫度＞150℃時除了在冷卻水套中通過冷卻水及靜環(huán)背部冷卻外，應采取強制冷卻措施。即從泵出口的干凈介質應預先經熱交換器冷卻至50℃時。再進入密封腔冷卻沖洗，該形式是冷卻效果**良好的一種。 </p> <p> 如介質中含有顆?；螂s質，必須采用過濾措施，把常溫干凈沖洗液輸入密封腔內。機械密封是依靠彈性元件對動、靜環(huán)斷面的預緊力來對軸向端面進行密封的，又稱為端面密封。蘇州離心泵密封源頭直供廠家</p><p style="text-indent:25px">機械密封按工作條件和介質性質的不同，有耐高溫、耐低溫機械密封，耐高壓、耐腐蝕機械密封等。鹽城離心泵密封源頭直供廠家</p><p> 離心泵用機械密封檢修中的幾個誤區(qū) </p> <p> 彈簧壓縮量越大密封效果越好其實不然，彈簧壓縮量過大，可導致摩擦副急劇磨損，瞬間燒損;過度的壓縮使彈簧失去調節(jié)動環(huán)端面的能力，導致密封失效。2、動環(huán)密封圖越緊越好其實動環(huán)密封圈過緊有害無益。一是加劇密封圈與軸套間的磨損，過于早漏;二是增大了動環(huán)軸向調整、移動的阻力，在工況變化頻繁時無法適時進行調整;三是彈簧過度疲憊易損壞;四是使動環(huán)密封圈變形，影響密封效果。 3、靜環(huán)密封圈越緊越好靜環(huán)密封圈基本處于靜止狀態(tài)，相對較緊密封效果會好些，但過緊也是有害的。一是引起靜環(huán)密封因過度變形，影響密封效果;二是靜環(huán)材質以石墨居多，一般較脆，過度受力極易引起碎裂;三是安裝、拆卸困難，極易損壞靜環(huán)。鹽城離心泵密封源頭直供廠家</p><p style="text-indent:25px">漣水創(chuàng)密機械制造有限公司是一家漣水創(chuàng)密機械制造有限公司產品包括:輕型密封、中型密封、重型密封，廣泛應用于石油、化工、電力、造紙，食品，機械密封件來料加工（塑料機械密封件除外）、銷售；機械配件、汽車配件銷售；自營和代理各類商品及技術的進出口業(yè)務，的公司，創(chuàng)建于2014-07-02。創(chuàng)密機械制造深耕行業(yè)多年，始終以客戶的需求為向導，為客戶提供***的輕型密封，中型密封，重型密封，小型水泵。創(chuàng)密機械制造致力于把技術上的創(chuàng)新展現(xiàn)成對用戶產品上的貼心，為用戶帶來***體驗。創(chuàng)密機械制造創(chuàng)始人袁軍成，始終關注客戶，以優(yōu)化創(chuàng)新的科技，竭誠為客戶提供極好的服務。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1075650.html</p></div></div></div></div></div><div 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