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href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_jnsbrt/">節(jié)能設(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-jnsbrt_qtjnsbyx/">其他節(jié)能設(shè)備</a>?烏魯木齊雙向蝶閥新疆遠大通用閥門供應(yīng)</p><div id="rv3utk8" class="leftbox clearfix"><h1>烏魯木齊雙向蝶閥新疆遠大通用閥門供應(yīng)</h1><div id="h3v7ph8" class="proBig"><div id="wvn9r87" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864807900391/6765207.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="2mbfeq2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864807900391/6765207.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="k3ymvmb" 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>新疆維吾爾自治區(qū)</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>烏魯木齊雙向蝶閥,閥</p><p><span>***更新：</span>2020-10-30 07:13:31</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="w237fm7" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">新疆遠大通用閥門有限公司</a></p><p><span>聯(lián)系人：</span>李嘉豪</p><p><span>郵箱: </span>1183099099@qq.com</p><p><span>電話: </span>18999955968</p><p><span>傳真: </span>0991_6877477</p><p><span>網(wǎng)址: </span>http://www.xjyuanda.com</p><p><span>手機: </span>0991-6877477</p><p><span>地址: </span>烏魯木齊市高新技術(shù)產(chǎn)業(yè)開發(fā)區(qū)（新市區(qū)）清水街213號</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="vjlak3s" class="page-proshow02"><p class="title">詳細說明</p><div id="cw2byaz" class="box"><p><p> 但不耐濃硝酸、濃***和其它強氧化劑的腐蝕。⑷聚丙烯聚丙烯是熱塑性塑料，其耐蝕性與聚乙烯相似，稍優(yōu)于聚乙烯。它能耐大多數(shù)有機酸、無機酸、堿、鹽。但對濃硝酸、發(fā)***、氯磺酸等強氧化性酸的耐蝕能力差。⑸酚醛塑料能耐鹽酸、稀***、磷酸等非氧化性酸、鹽類溶液的腐蝕。但不耐硝酸、鉻酸等強氧化酸、堿和一些有機溶劑的腐蝕。⑹氯化聚醚又稱聚氯醚，是線型、高結(jié)晶度的熱塑性塑料。它具有優(yōu)良的耐蝕性能，僅次于氟塑料。它能耐濃***、濃硝酸外的各種酸、堿、鹽和大多數(shù)有機溶劑的腐蝕，但不耐液氯、氟、溴的腐蝕。⑺聚三氟氯乙烯它與其它氟塑料一樣，具有優(yōu)異的耐蝕性能和其它性能，耐蝕性能稍低于聚四氟乙烯。它對有機酸、無機酸、堿、鹽、多種有機溶劑等有良好的耐蝕性能。在高溫下含有鹵素和氧的某些溶劑，能使其溶脹。它不耐高溫的氟，氟化物、熔堿，烏魯木齊雙向蝶閥、濃硝酸、芳烴、發(fā)硝酸，烏魯木齊雙向蝶閥、熔融堿金屬等。⑻聚四氟乙烯聚四氟乙烯具有非常優(yōu)異的耐蝕性能，它除了熔融金屬鋰、鉀、鈉、三氟化氯、高溫下的三氟化氧、高流速的液氧外，幾乎能耐所有化學(xué)介質(zhì)的腐蝕。⑼塑料襯里閥門由于塑料強度低，烏魯木齊雙向蝶閥，很多閥門采用金屬襯里做外殼體，用塑料做襯里。塑料襯里閥門，隨著襯里塑料的不同。阿勒泰數(shù)字鎖定平衡閥的價格。烏魯木齊雙向蝶閥</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="烏魯木齊雙向蝶閥,閥" src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864807900391/6765207.jpg"></div><p> 同時與閥門的壓力、溫度及介質(zhì)的濃度等諸因素有著一定內(nèi)在聯(lián)系。閥門的流道面積與流速、流量有著直接關(guān)系，而流速與流量是相互依存的兩個量。當(dāng)流量一定時，流速大，流道面積便可小些；流速小，流道面積就可以大些。反之，流道面積大，其流速??；流道面積小，其流速大。介質(zhì)的流速大，閥門通徑可以小些，但阻力損失較大，閥門易損壞。流速大，對易燃易爆介質(zhì)會產(chǎn)生靜電效應(yīng)，造成危險；流速太小，效率低，不經(jīng)濟。對粘度大和易爆的介質(zhì)，應(yīng)取較小的流速。油及粘度大的液體隨粘度大小選擇流速，一般取～2m/s。一般情況***量是已知的，流速可由經(jīng)驗確定。各種介質(zhì)常用流速見表2-2。通過流速和流量可以計算閥門的公稱通徑。閥門通徑相同，其結(jié)構(gòu)型式不同，流體的阻力也不一樣。在相同條件下，閥門的阻力系數(shù)越大，流體通過閥門的流速、流量下降越多；閥門阻力系數(shù)越小，流體通過閥門的流速、流量下降越少。常見介質(zhì)的流速見表2-2。表2-2各種介質(zhì)常用的流速表液體名稱使用條件流速（m/s）液體名稱使用條件流速（m/s）飽和蒸汽DN＞200DN=200～100DN＜10030～4025～3515～30乙炔氣ρ＜（表壓）ρ＜（表壓）ρ＜。烏魯木齊鑄鋼閥門報價阿克蘇市電動球閥閥門生產(chǎn)商。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="烏魯木齊雙向蝶閥,閥" src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864797382813/832833.jpg"></div><p> 還具有很高的耐蝕能力，除不耐氧氟酸、氟硅酸和強堿外，能耐熱濃硝酸、***、鹽酸、王水、鹽溶液和有機溶劑等介質(zhì)。這類閥門如使用了其它材料，選用時，應(yīng)考慮其它材料的耐蝕性能。9.玻璃閥門以二氧化硅為主熔化燒結(jié)制成的閥門，其耐蝕性能與陶瓷閥門相同。10.搪瓷閥門以二氧化硅為主熔化并燒搪在黑色金屬制品上，其耐蝕性能與陶瓷閥門相同。11.玻璃鋼閥門玻璃鋼的耐蝕性能，是隨著它的膠粘劑而異。環(huán)氧樹脂玻璃鋼能在鹽酸、磷酸、稀***和一些有機酸中使用；酚醛玻璃鋼的耐蝕性能較好；呋喃玻璃鋼有較好的耐堿、耐酸以及綜合性耐蝕性能。12.塑料閥門塑料具有一定的耐蝕性能，隨著塑料種類的不同，其耐蝕性差異較大。⑴尼龍又稱聚酰胺，它是熱塑性塑料，有良好的耐蝕性。能耐稀酸、鹽、堿的腐蝕。對烴、酮、醚、脂、油類有良好的耐蝕性。但不耐強酸、氧化性酸、酚和甲酸的腐蝕。⑵聚氯乙烯聚氯乙烯是熱塑性塑料，有良好的耐蝕性。能耐酸、堿、鹽、有機物。不耐濃硝酸、發(fā)***、醋酐、酮類、鹵代類、芳烴等的腐蝕。⑶聚乙烯聚乙烯有優(yōu)良的耐蝕性能，它對鹽酸、稀***、氫氟酸等非氧化性酸以及稀硝酸、堿、鹽溶液和在常溫下的有機溶劑都有良好的耐蝕性。</p><p> 常用的先導(dǎo)式減壓閥按結(jié)構(gòu)形式分有：先導(dǎo)活塞式減壓閥、先導(dǎo)波紋管式減壓閥和先導(dǎo)薄膜式減壓閥。⑶減壓閥選用時應(yīng)注意的幾個問題減壓閥應(yīng)用范圍***，包括蒸汽、壓縮開啟、工業(yè)用氣、水、油和其他液體介質(zhì)均可使用。因而，鑒于許多可能的結(jié)構(gòu)變化，當(dāng)顆粒到選用減壓閥的時候，其中**主要的就是閥的確切性能，首先應(yīng)充分進行檢測，以保證良好的使用效果。在檢測時，減壓閥應(yīng)能滿足如下性能要求：①在給定的彈簧壓力級范圍內(nèi)，出口壓力在**大值與**小值之間應(yīng)能連續(xù)調(diào)整，不得有卡阻和異常振動。②對于軟密封的減壓閥，在規(guī)定時間內(nèi)不得有滲漏；對于金屬密封的減壓閥。其滲漏量應(yīng)不大于**大流量的。③出口流量變化時，其出口壓力負偏差值：直接作用式不大于20%；先導(dǎo)式不大于10%。④進口壓力變化時，其出口壓力負偏差值：直接作用式不大于10%；先導(dǎo)式不大于5%。對于閑置不用的減壓閥，調(diào)節(jié)彈簧使其處于自由狀態(tài)。進口和出口端應(yīng)用堵蓋封閉。常用的減壓閥的名稱、種類、技術(shù)參數(shù)見***章第六節(jié)中的減壓閥部分和附錄。常用減壓閥的公稱直徑和閥孔面積見表2-4。表2-4減壓閥閥孔面積公稱通徑DN(mm)閥座通路面積f（cm2）減壓閥的流量與流體的性質(zhì)和壓力比有關(guān)。壓力比愈小。烏魯木齊排污閥生產(chǎn)廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="烏魯木齊雙向蝶閥,閥" src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864797265625/1727963.jpg"></div><p> 其耐蝕性也不相同。塑料襯里的耐蝕性與上述塑料閥門中的相應(yīng)塑料相同。但選用時，應(yīng)考慮塑料襯里閥門中使用的其它材料的耐蝕性能。⑽橡膠襯里閥門橡膠較軟，因此很多閥門采用橡膠做襯里，以提高閥門的抗蝕性能和密封性能。隨橡膠種類的不同，其耐蝕性差異較大。經(jīng)過硫化的天然橡膠能耐非氧化性酸、堿、鹽的腐蝕，但不耐強氧化劑，如硝酸、鉻酸、濃***的腐蝕，也不耐石油產(chǎn)品和某些有機溶劑的腐蝕。因此，天然橡膠被合成橡膠逐漸代替。合成橡膠中的丁腈橡膠耐油性能好，但不耐氧化性酸、芳烴、脂、酮、醚等強溶劑的腐蝕；氟橡膠耐蝕性能優(yōu)異，能耐各類酸、堿、鹽、石油產(chǎn)品、烴類等，但耐溶劑性不及氟塑料；聚醚橡膠可用于水、油、氨、堿等介質(zhì)。⑾鉛襯里閥門鉛屬活性金屬，但因材質(zhì)軟，常用作特殊閥門的襯里。鉛的腐蝕產(chǎn)物膜是很強的保護層，它是耐***的有名材料，在磷酸、鉻酸、碳酸及中性溶液、海水等介質(zhì)中具有較高的耐蝕性能、但不耐堿、鹽酸的腐蝕，也不適于在它們的腐蝕產(chǎn)物中工作。四、根據(jù)溫度和壓力選用閥門返回頁優(yōu)先用閥門除了考慮介質(zhì)的腐蝕性能、流量特性、連接形式外，介質(zhì)的溫度和壓力是重要的參數(shù)。烏魯木齊電動球閥閥門的價格。伊犁衛(wèi)生級閥門批發(fā)</p><p style="text-indent:25px">新疆氣動三通閥門公司；烏魯木齊雙向蝶閥</p><p> 例如用新購的彩條布或者塑料薄膜等，防止在安裝過程中有灰塵進入。2、裝配工人必須身著潔凈的純棉工作服，頭戴純棉帽，頭發(fā)不能外漏，腳穿干凈鞋子，手戴塑膠手套，脫脂。3、裝配用工具必須裝配前進行脫脂清洗，保證潔凈。閥門驗收要求驗收遵循HG20202-2000《脫脂工程施工及驗收規(guī)范》，裝配前每個零部件均用干凈的精密濾紙進行擦拭，選擇部件死角，濾紙不變顏色為合格。閥門閥門規(guī)格要求1、閥門的型號應(yīng)注明依據(jù)的國標編號要求。若是企業(yè)標準，應(yīng)注明型號的相關(guān)說明。2、閥門工作壓力，要求≥管道的工作壓力，在不影響價格的前提下，閥門可承受的工壓應(yīng)大于管道實際的工壓。3、閥門制造標準，應(yīng)說明依據(jù)的國標編號，若是企業(yè)標準，采購合同上應(yīng)附企業(yè)文件。閥門性能檢測要求1、閥門某一規(guī)格批量制造時，應(yīng)委托官方性機構(gòu)進行以下性能的檢測：①閥門在工壓狀況下的啟閉力矩；②閥門在管道輸水狀況下的流阻系數(shù)的檢測。2、閥門在出廠前應(yīng)進行以下的檢測：①閥門在開啟狀況下，閥體應(yīng)承受閥門工壓值二倍的內(nèi)壓檢測；②閥門在關(guān)閉狀況下，兩側(cè)分別承受11倍閥門工壓值，無滲漏；但金屬密封的蝶閥，滲漏值亦不大于相關(guān)要求。烏魯木齊雙向蝶閥</p><p style="text-indent:25px">新疆遠大通用閥門有限公司總部位于烏魯木齊市高新技術(shù)產(chǎn)業(yè)開發(fā)區(qū)（新市區(qū)）清水街213號，是一家閥門的研發(fā)、銷售、維修；管網(wǎng)閥門集控系統(tǒng)的設(shè)計、安裝、調(diào)試。維修；管道配件、五金交電、標準件、密封件、液壓件、法蘭彎頭、水暖配件、消防器材、壓力容器、鍋爐及配件、電線電纜、電工電料、電動工具、電子產(chǎn)品、化工產(chǎn)品、石油制品、防水防腐保溫材料、工程機械設(shè)備及配件、儀器儀表、機電設(shè)備、電腦及配件、辦公用品、勞保用品、農(nóng)齋產(chǎn)品、環(huán)保設(shè)備、新能源設(shè)備、裝飾裝潢材料銷售：貨物與技術(shù)的進出口業(yè)務(wù)。(依法須經(jīng)批準的項目，經(jīng)相關(guān)部門批準后，方可開展經(jīng)營活動）的公司。公司自創(chuàng)立以來，投身于閥門，，，，是機械及行業(yè)設(shè)備的主力軍。遠大通用閥門繼續(xù)堅定不移地走高質(zhì)量發(fā)展道路，既要實現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實現(xiàn)轉(zhuǎn)型再突破。遠大通用閥門創(chuàng)始人武玉玲，始終關(guān)注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1770987.html</p></div></div></div></div></div><div id="gaszwdf" class="page-right twoColRt"><div id="uo3j8a7" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="peg3khj" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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