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id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="wvcmshl" 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="cw788eq" class="page-proshow02"><p class="title">詳細說明</p><div id="32r9of2" class="box"><p><p> 表2-7安全閥進出口通徑mm公稱通徑200進口通徑200出口通徑微啟式05080全啟式5200250根據(jù)標(biāo)準(zhǔn)規(guī)定：碳素鋼和合金鋼制造的直接載荷式安全閥適用于PN≤32MPa、DN≤150mm的工作條件，新疆黃銅絲扣閘閥廠家。主要用于水、蒸汽、氨、石油及油品等介質(zhì)。碳素鋼制的安全閥用于介質(zhì)溫度t≤450℃，合金鋼制的安全閥用于介質(zhì)溫度t≤600℃。安全閥應(yīng)有足夠的靈敏度，當(dāng)達到開啟壓力時，應(yīng)無阻礙地開啟；當(dāng)達到排放壓力時，閥瓣應(yīng)全部開啟，并達到額定排量，當(dāng)壓力降到回座壓力時，閥門應(yīng)及時關(guān)閉，并保持密封。安全閥壓力應(yīng)符合表2-8的規(guī)定，新疆黃銅絲扣閘閥廠家。表2-8安全閥的壓力規(guī)定MPa使用部位工作壓力ρ開啟壓力ρa回座壓力ρh排放壓力ρv用途蒸汽鍋爐＞～＞ρ+ρ+ρρρρρρρhρhρhρhρvρvρv工作用控制用工作用控制用工作用控制用設(shè)備管路≤＞ρ+ρρρρhρhρ=ρvρv＞ρv工作用控制用當(dāng)裝設(shè)兩只安全閥時，其中：一個為控制安全閥；另一個為工作安全閥。控制安全閥的開啟壓力應(yīng)略低于工作安全閥的開啟壓力，新疆黃銅絲扣閘閥廠家，以避免兩個安全閥同時開啟而使排氣量過多。由于科學(xué)技術(shù)的進步，一些用于特殊環(huán)境、特殊工況條件的安全閥不斷出現(xiàn)。阿圖什閘閥廠家阿克蘇球型止回閥廠家。新疆黃銅絲扣閘閥廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆黃銅絲扣閘閥廠家,閥" src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864799892578/8112427.jpg"></div><p> 能排除飽和水；但是體積比較大，較笨重。又由于顛簸搖擺的環(huán)境對其阻汽排水性能有相當(dāng)?shù)挠绊?，因此，不能適應(yīng)火車、輪船及有較大震動的裝置上使用。⑵熱靜力型蒸汽疏水閥這類疏水閥主要有蒸汽壓力式蒸汽疏水閥、雙金屬片式或熱彈性元件式蒸汽疏水閥、液體或固體膨脹式蒸汽疏水閥。這類疏水閥幾乎與機械型疏水閥同時出現(xiàn)，**初是金屬膨脹式蒸汽疏水閥，利用閥桿材料冷縮熱脹的物理性能和凝結(jié)水溫度的變化而實現(xiàn)阻汽排水作用。但是這種型式的蒸汽疏水閥不能適應(yīng)蒸汽壓力變化較大和凝結(jié)水量不穩(wěn)的場合，后來研制出利用液體膨脹的壓力平衡波紋管式蒸汽疏水閥。以上的問題得到了初步解決。隨著材料科學(xué)技術(shù)的發(fā)展，雙金屬片得到了***應(yīng)用，研制出了雙金屬片式蒸汽疏水閥，它是利用雙金屬片受到溫度變化而產(chǎn)生的變形實現(xiàn)阻汽排水作用的。這種疏水閥體積小、重量輕，能排除大量空氣，但是成本高。⑶熱動力型蒸汽疏水閥這類疏水閥有盤式蒸汽疏水閥、脈沖式蒸汽疏水閥、迷空式蒸汽疏水閥、孔板式蒸汽疏水閥。盤式蒸汽疏水閥是利用蒸汽的流速與凝結(jié)水流速的差別而實現(xiàn)阻汽排水動作，這種蒸汽疏水閥體積小、重量輕、結(jié)構(gòu)簡單，但排空氣性能較差。新疆絲扣球閥廠家?guī)鞝柪涨蛐椭够亻y廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆黃銅絲扣閘閥廠家,閥" src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864796992188/8712118.jpg"></div><p> 3）焊接連接閥門：閥體帶有焊接坡口，與管道焊接連接。（4）卡箍連接閥門：閥體帶有夾口，與管道夾箍連接。（5）卡套連接閥門：與管道采用卡套連接。（6）對夾連接閥門：用螺栓直接將閥門及兩頭管道穿夾在一起的連接形式。按閥體材料（1）金屬材料閥門：其閥體等零件由金屬材料制成。如鑄鐵閥門、鑄鋼閥、合金鋼閥、銅合金閥、鋁合金閥、鉛合金閥、鈦合金閥、蒙乃爾合金閥等。（2）非金屬材料閥門：其閥體等零件由非金屬材料制成。如塑料閥、搪瓷閥、陶瓷閥、玻璃鋼閥門等。閥門要求編輯閥門安裝要求1、閥門安裝之前，應(yīng)仔細核對所用閥門的型號、規(guī)格是否與設(shè)計相符；2、根據(jù)閥門的型號和出廠說明書檢查對照該閥門可否在要求的條件下應(yīng)用；3、閥門吊裝時，繩索應(yīng)綁在閥體與閥蓋的法蘭連接處，且勿拴在手輪或閥桿上，以免損壞閥桿與手輪；4、在水平管道上安裝閥門時，閥桿應(yīng)垂直向上，不允許閥桿向下安裝；5、安裝閥門時，不得采用生拉硬拽的強行對口連接方式，以免因受力不均，引起損壞；6、明桿閘閥不宜裝在地下潮濕處，以免閥桿銹蝕。閥門裝配要求清洗干凈的部件必須密封保存，以供安裝。對安裝過程要求如下：1、安裝車間必須保證潔凈，或者搭建臨時的潔凈區(qū)域。</p><p> 確保閥門的直角行程。第八、注脂后，一定封好注脂口。避免雜質(zhì)進入，或注脂口處脂類氧化。封蓋要涂抹防銹脂，避免生銹。以便下一次操作時應(yīng)用。第九、注脂時，也要考慮在今后油品順序輸送中具體問題具體對待。鑒于柴油與汽油不同的品質(zhì)，應(yīng)考慮汽油的沖刷和分解能力。在以后閥門操作，遇到汽油段作業(yè)時，及時補充潤滑脂，防止磨損情況發(fā)生。第十、注脂時，不要忽略閥桿部位的注脂。閥軸部位有滑動軸套或填料，也需要保持潤滑狀態(tài)，以減小操作時的摩擦阻力，如不能確保潤滑，則電動操作時扭矩加大磨損部件，手動操作時開關(guān)費力。第十一、有些球閥閥體上標(biāo)有箭頭，如果沒有附帶英文FIOW字跡，則為密封座作用方向，不作為介質(zhì)流向參考，閥門自泄方向相反。通常情況下，雙座密封的球閥具有雙向流向。第十二、閥門維護時，也要注意電動頭及其傳動機構(gòu)中進水問題。尤其在雨季滲入的雨水。一是使傳動機構(gòu)或傳動軸套生銹，二是冬季凍結(jié)。造成電動閥操作時扭矩過大，損壞傳動部件會使電機空載或超扭矩保護跳開無法實現(xiàn)電動操作。傳動部件損壞，手動操作也無法進行。在超扭矩保護動作后，手動操作也同樣無法開關(guān)，如強行操作，將損壞內(nèi)部合金部件。烏魯木齊臥式止回閥廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆黃銅絲扣閘閥廠家,閥" src="https://tyunfile.71360.com/UploadFile/Ydfm123/637230864802158203/3440819.jpg"></div><p style="text-indent:25px">閥門注脂時，常忽略壓力問題。在注脂操作時，注脂壓力有規(guī)律地呈峰谷變化。壓力過低，密封漏或失效，壓力過高，注脂口堵塞、密封內(nèi)脂類硬化或密封圈與閥球、閥板抱死。通常注脂壓力過低時，注入的潤滑脂多流入閥腔底部，一般發(fā)生在小型閘閥。而注脂壓力過高，一方面檢查注脂嘴，如是脂孔阻塞判明情況進行更換；另一方面是脂類硬化，要使用清洗液，反復(fù)軟化失效的密封脂，并注入新的潤滑脂置換。此外，密封型號和密封材質(zhì)，也影響注脂壓力，不同的密封形式有不同的注脂壓力，一般情況硬密封注脂壓力要高于軟密封。第三、閥門注脂時，注意閥門在開關(guān)位的問題。球閥維護保養(yǎng)時一般都處于開位狀態(tài)，特殊情況下選擇關(guān)閉保養(yǎng)。其他閥門也不能一概以開位論處。庫爾勒止回閥廠家。。。烏魯木齊立式止回閥價格</p><p style="text-indent:25px">阿圖什銅桿閘閥廠家。新疆黃銅絲扣閘閥廠家</p><p> 流阻小的閥門，能源消耗少。對低壓力、大流量的水、空氣等介質(zhì)，選用大口徑閘閥和蝶閥比較合理。蝶閥可作截斷用，又能作節(jié)流用。3.安全可靠性一般水蒸氣管道上可采用+球墨鑄鐵閥門和鑄鋼閥門。但在室外蒸汽管道上，若停止供氣，水易結(jié)冰而使閥門破裂，特別是在我國北方。因此，宜采用鑄鋼或鍛鋼閥門，同時要做好閥門的防凍保溫工作。乙炔類易燃易爆的介質(zhì)，對密封性要求高。壓力在，應(yīng)采用隔膜閥，但不宜用在真空設(shè)備的管道上。對危害性很大的放射性介質(zhì)和劇毒介質(zhì)，應(yīng)采用波紋管結(jié)構(gòu)的閥門，以防介質(zhì)從填料函中泄漏。對于帶有驅(qū)動裝置（電動、液動、氣動）的閥門，除要求驅(qū)動裝置安全可靠外，還要根據(jù)工況條件的不同，選用相應(yīng)的驅(qū)動裝置。例如，在需要防火的工況下，應(yīng)選用液動、氣動裝置的閥門；必須選用電動裝置的閥門時，其電動裝置應(yīng)為防爆型，以避免電弧引起火災(zāi)。4.操作和維修方便對于大型閥門和處于高空、高溫、高壓、危險、遠距離的閥門，應(yīng)選用齒輪傳動、鏈條傳動或帶有電動裝置、氣動裝置、液動裝置的閥門。在操作空間受到限制的場合，不宜處于明桿閘閥，以選用暗桿閘閥為好。**好是用蝶閥。對需要快關(guān)、快開的閥門，不宜處于一般的閘閥、截止閥。新疆黃銅絲扣閘閥廠家</p><p style="text-indent:25px">新疆遠大通用閥門有限公司是一家閥門的研發(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(biāo)準(zhǔn)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(zhǔn)的項目，經(jīng)相關(guān)部門批準(zhǔn)后，方可開展經(jīng)營活動）的公司，致力于發(fā)展為創(chuàng)新務(wù)實、誠實可信的企業(yè)。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。遠大通用閥門始終以本分踏實的精神和必勝的信念，影響并帶動團隊取得成功。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/2825375.html</p></div></div></div></div></div><div id="rfhgcon" class="page-right twoColRt"><div id="8amtvmo" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="twtqx2r" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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