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class="content"><p><span>需求數量：</span>0</p><p><span>價格要求：</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>產品關鍵詞：</span>上海自動循環(huán)泵保護閥廠家有哪些,自動再循環(huán)閥</p><p><span>***更新：</span>2021-01-31 15:28:23</p><p><span id="click" >瀏覽次數：0次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="vnf37ok" 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>網址: </span>https://www.dtjt.com</p><p><span>手機: </span>21-68106370</p><p><span>地址: </span>祝橋鎮(zhèn)工業(yè)城</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="b784dp2" class="page-proshow02"><p class="title">詳細說明</p><div id="fy2l3k3" class="box"><p><p style="text-indent:25px"> 自動再循環(huán)閥的內部零件材料，標準產品為小含鉻量不小于13%的不銹鋼?？刂铺淄病⑻淄沧皽u流錐均經表面處理（離子真空淬火），上海自動循環(huán)泵保護閥廠家有哪些，以抗磨損。其他用于閥體及內部零件的鍛造材料可按需提供。閥體材料的選擇，按照壓力及溫度條件確定。自動再循環(huán)閥是一種自力式的三通式閥門，安裝于泵出口，用于泵的小連續(xù)流量保護。自動再循環(huán)閥集止回、流量感知，上海自動循環(huán)泵保護閥廠家有哪些，上海自動循環(huán)泵保護閥廠家有哪些、旁通流量控制功能于一身，是1個單獨的系統。它能動態(tài)感知主路流量變化，隨主路流量調整旁通流量。自動再循環(huán)閥的流量特性：是指輸入壓力一定時，輸出壓力必須低于輸出流量的變化而變化的特性.上海自動循環(huán)泵保護閥廠家有哪些</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海自動循環(huán)泵保護閥廠家有哪些,自動再循環(huán)閥" src="https://tyunfile.71360.com/UploadFile/shdatian/637343242258173828/6951216.png"></div><p style="text-indent:25px"> 自動再循環(huán)閥常見毛病及去掉方法1、裝置前道確認產品功能和介質流向箭頭是否與運動工況相符，并將閥門內腔插洗潔凈，不允許在密封圈和蝶板上有附有雜質異物，未清洗前絕不允許封閉蝶板，以免損壞密封圈。2、碟板裝置配套法蘭主張采用碟閥專門用法蘭，即HGJ54-91型承插焊鋼制法蘭。3、裝置在管道中的方位，佳方位為立裝，但不能倒裝。4、運用中需要調節(jié)流量，有蝸輪箱進行操控。5、開、閉次數較多的碟閥，在二個月左右時刻，翻開蝸輪箱蓋，查看黃油是否正常，應堅持適量的黃油。6、查看各聯接部位要求壓緊，即確保填料的蜜蜂性，又可確保閥桿轉動靈活。7、金屬密封自動再循環(huán)閥產品不適合裝置于管路結尾，如必須裝置于管路結尾，需采納配裝出口法蘭，避免密封圈積壓，過位。8、閥桿裝置運用反應定時查看閥門運用作用，發(fā)現毛病及時掃除。上海三通回流閥定制費用自動再循環(huán)閥蝶板的運動帶有擦拭性，故大多數的自動再循環(huán)閥可用于帶懸浮固體顆粒的介質.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海自動循環(huán)泵保護閥廠家有哪些,自動再循環(huán)閥" src="https://tyunfile.71360.com/UploadFile/shdatian/637343241812021484/6437117.png"></div><p style="text-indent:25px"> 自動再循環(huán)閥是一種泵保護裝置。它自動對離心泵（尤其輸送熱水介質）在低負荷運行時泵體內可能出現的部分氣蝕損害和不穩(wěn)定進行保護。主路止回閥的閥桿通過一杠桿，將主閥瓣動作傳遞至旁路，旁路系統控制通過旁路的流量同時將壓力減至出口所需值，當主閥瓣回到閥座關閉狀態(tài)時，所有流量通過旁路（回流），當主閥瓣上升到頂端位置時，旁路則完全關閉，所有泵的流量流向工藝系統。自動再循環(huán)閥為自力式控制閥，不需要外部供給能源。與傳統的控制閥系統相比。</p><p style="text-indent:25px"> 自動再循環(huán)閥特點：防氣蝕多級減壓旁路，降低流速，適用于高壓工況；鍛造閥體，可選用碳鋼或不銹鋼材質等；標準型旁路帶止回功能，大工作壓差至30MPa；壓力等級PN16-PN420，口徑DN25-DN500；可選擇增加手動旁路操作功能，以備故障時使用。自動再循環(huán)閥工作原理：旁路多級減壓：旁路控制系統能低噪音小磨損的把回流介質從泵出口的高壓減至適宜回流存儲裝置中的低壓。止回：自動再循環(huán)閥還具有止回閥的作用，防止液體回流到泵體中。標準型旁路帶止回功能。其它旁路尺寸可按要求制作；大的旁路流量取決于大的Kv值。自動再循環(huán)閥可將閥前管路較高的水壓減少至閥后管路所需的水平.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海自動循環(huán)泵保護閥廠家有哪些,自動再循環(huán)閥" src="https://tyunfile.71360.com/UploadFile/shdatian/637343241537685546/5558241.png"></div><p style="text-indent:25px"> 自動再循環(huán)閥升降式水平瓣自動再循環(huán)閥應安裝在水平管道上。自動再循環(huán)閥有-個介鉸鏈機構，還有一個像i]-樣的閥瓣自由地靠在傾斜地閥座表面上。為了確保閥辦每次，都能到達閥座面地合適位置，閥瓣設置在鉸鏈機構，以便閥瓣具有，足夠旋啟空間，并使閥瓣真正地、詳細的與閥座接觸。閥瓣可以全部用金屬制成，也可以在金屬上鑲嵌皮革、橡膠、或者采用合成覆蓋面，這取決于適用性能的要求。旋啟式自動再循環(huán)閥在完全打開的狀況，流體壓力幾乎不受阻礙，因此通過閥的壓力降將對較小。自動再循環(huán)閥優(yōu)先考慮垂直安裝，也可水平安裝。浙江自動回流三通閥定制多少錢</p><p style="text-indent:25px">自動再循環(huán)閥具備大流通能力，并能預防卡塞。上海自動循環(huán)泵保護閥廠家有哪些</p><p style="text-indent:25px"> 給水泵出口至除氧器（或冷凝器）水箱之間安裝再循環(huán)系統，在自動再循環(huán)閥剛啟動或在給水量小到一定程度時，可打開再循環(huán)系統。將一部分水返回除氧器水箱，以保證有一定的水量（一般約為額定流量的30%）通過水泵，而不致使泵內水溫升高而汽化。而當給水量處于正常條件下時，關閉再循環(huán)系統。以往的控制方式是由復雜的控制系統組成泵的保護及控制系統。再循環(huán)系統由小流量閥、止回閥、流量測量系統組成。系統中流量測量系統確定何時開啟或關閉再循環(huán)系統；上海自動循環(huán)泵保護閥廠家有哪些</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3097429.html</p></div></div></div></div></div><div id="2mjldam" class="page-right twoColRt"><div id="e2bsel3" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="imbx32b" 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配件哪家強信息推薦自業(yè)物資供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="bldvnu2" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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