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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="j8nzbi2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/gscyhwz/637318945565927734/6240468.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="gp72ya8" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>甘肅省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>石嘴山球閥銷(xiāo)售價(jià)格,球閥</p><p><span>***更新：</span>2020-10-28 02:18:25</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="leg8w2p" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">甘肅誠(chéng)禹惠物資有限公司</a></p><p><span>聯(lián)系人：</span>楊和平</p><p><span>郵箱: </span>349134533@qq.com</p><p><span>電話: </span>18294448288</p><p><span>傳真: </span>0931_</p><p><span>網(wǎng)址: </span>http://www.gscyhwz.com</p><p><span>手機(jī): </span>0931-7840458</p><p><span>地址: </span>北濱河西路1226之27號(hào)(立達(dá)建材城A區(qū)11棟104室)</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="u88urtv" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="i89p28v" class="box"><p><p> <span style="font-size:16px;">選用球閥應(yīng)遵循的原則：⑴球閥的流阻小，其通道幾乎與管道相等，故適合于對(duì)流阻比較敏感的介質(zhì)工況;⑵閥門(mén)的重量重，價(jià)格也比較高，而且閥門(mén)尺寸越大，此特點(diǎn)越明顯，石嘴山球閥銷(xiāo)售價(jià)格，所以大尺寸情況下選用球閥時(shí)，應(yīng)考慮經(jīng)濟(jì)性;⑶對(duì)于小口徑閥門(mén)，雖然軟密封球閥價(jià)格會(huì)比較便宜，但受溫度和壓力的限制，高溫高壓時(shí)不能使用;⑷固定球閥有密閉閥腔，當(dāng)用于低溫介質(zhì)工況或可能發(fā)生氣化的介質(zhì)工況條件下要有泄放裝置，或改用截止閥、蝶閥等;⑸適合用于有通球要求的管路切斷;⑹可以做襯里;⑺適宜用于壓力脈動(dòng)介質(zhì)工況和可能產(chǎn)生汽蝕的介質(zhì)工況;適宜用于高壓氧氣工況;適宜用于可能產(chǎn)生沖刷或沖刷腐蝕的介質(zhì)工況;⑻適用于多通道結(jié)構(gòu)，石嘴山球閥銷(xiāo)售價(jià)格，即一個(gè)閥門(mén)可以獲得2-4個(gè)不同的通道，石嘴山球閥銷(xiāo)售價(jià)格，可減少閥門(mén)的用量。</span> 球閥閥體可以是整體的，也可以是組合式的。石嘴山球閥銷(xiāo)售價(jià)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="石嘴山球閥銷(xiāo)售價(jià)格,球閥" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637318945565927734/6240468.png"></div><p> <span style="font-size:16px;">球閥還具有良好的流量調(diào)節(jié)功能。優(yōu)點(diǎn)：①具有比較低的流阻（實(shí)際為0）；②因在工作時(shí)不會(huì)卡?。ㄔ跓o(wú)潤(rùn)滑劑時(shí)），故能可靠地應(yīng)用于腐蝕性介質(zhì)和低沸點(diǎn)液體中；③在較大的壓力和溫度范圍內(nèi)，能實(shí)現(xiàn)完全密封；④可實(shí)現(xiàn)快速啟閉，某些結(jié)構(gòu)的啟閉時(shí)間*為，以保證能用于試驗(yàn)臺(tái)的自動(dòng)化系統(tǒng)中。快速啟閉閥門(mén)時(shí)，操作無(wú)沖擊；⑤球形關(guān)閉件能在邊界位置上自動(dòng)定位；⑥工作介質(zhì)在雙面上密封可靠；⑦在全開(kāi)和全閉時(shí)，球體和閥座的密封面與介質(zhì)隔離，因此高速通過(guò)閥門(mén)的介質(zhì)不會(huì)引起密封面的侵蝕；⑧結(jié)構(gòu)緊湊、重量輕，可以認(rèn)為它是用于低溫介質(zhì)系統(tǒng)的合理的閥門(mén)結(jié)構(gòu)；⑨閥體對(duì)稱，尤其是焊接閥體結(jié)構(gòu)，能很好地承受來(lái)自管道的應(yīng)力；⑩關(guān)閉件能承受關(guān)閉時(shí)的高壓差。⑾全焊接閥體的球閥，可以直埋于地</span><span style="font-size:16px;">下，使閥門(mén)內(nèi)件不受浸蝕，比較高使用壽命可達(dá)30年，是石油、天然氣管線**理想的閥門(mén)。</span> 白銀區(qū)球閥廠家供應(yīng)球閥的球體是彈性的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="石嘴山球閥銷(xiāo)售價(jià)格,球閥" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637318945242597656/2863378.png"></div><p> <span style="font-size:16px;">球閥的適用領(lǐng)域球閥也適用于輕型結(jié)構(gòu)、低壓截止（壓差?。?、腐蝕性介質(zhì)的管路系統(tǒng)中。在低溫（深冷）裝置和管路系統(tǒng)中也可選用球閥。在冶金行業(yè)的氧氣管路系統(tǒng)中，需使用經(jīng)過(guò)嚴(yán)格脫脂處理的球閥。在輸油管線和輸氣管線中的主管線需埋設(shè)在地下時(shí)，需使用全通徑焊接式球閥。在要求具有調(diào)節(jié)性能時(shí)，需選用帶Ｖ形開(kāi)口的**結(jié)構(gòu)的球閥。在石油、石油化工、化工、電力、城市建設(shè)中，工作溫度在200℃以上的管路系統(tǒng)可選用金屬對(duì)金屬密封的球閥。球閥適用原則石油、天然氣的輸送主管線、需要清掃管線的，又需埋設(shè)在地下的，選用全通經(jīng)、全焊接結(jié)構(gòu)的球閥；埋設(shè)在地上的，選擇全通經(jīng)焊接連接或法蘭連接的球閥；支管，選用法蘭連接、焊接連接，全通經(jīng)或縮徑的球閥。</span> </p><p> <span style="font-size:16px;">球閥是由閥體和閥座構(gòu)成，雙倍運(yùn)動(dòng)閥座是當(dāng)中腔壓力大于出口壓力時(shí)，使閥座壓緊球體，密封圈產(chǎn)生彈塑性變形實(shí)現(xiàn)密封。該閥使用時(shí)，一旦上游密封意外失效產(chǎn)生泄漏，下游閥座實(shí)現(xiàn)密封。雙級(jí)密封式閥座對(duì)于承受較大密封力的采用橡膠和塑料組合密封結(jié)構(gòu)，橡膠主要起密封作用，塑料起支承和輔助密封雙重作用。內(nèi)調(diào)節(jié)式閥座是閥座與球體之間的密封比壓靠?jī)?nèi)調(diào)整螺母調(diào)節(jié)，其優(yōu)點(diǎn)是沒(méi)有向外的泄漏點(diǎn)。外調(diào)節(jié)式閥座是閥座與球體之間的密封比壓靠外部調(diào)節(jié)螺塞壓緊楔塊使伸縮套產(chǎn)生位移進(jìn)行調(diào)整。波紋管式閥座一般采用電子束焊或氬弧焊與閥座和導(dǎo)向套相連。設(shè)計(jì)時(shí)，應(yīng)保證閥座密封中心小于波紋管中徑，此結(jié)構(gòu)具有密封性可靠，彈性補(bǔ)償范圍大，三維空間靈活的特點(diǎn)。</span> 球閥的一大優(yōu)點(diǎn)是閥門(mén)全開(kāi)時(shí)通過(guò)閥門(mén)的流體壓降很小，幾乎不受阻礙。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="石嘴山球閥銷(xiāo)售價(jià)格,球閥" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637318945298496093/7120604.png"></div><p> <span style="font-size:16px;">安裝1、把閥裝上管線。閥的任何一端都可裝在上游端。用手柄驅(qū)動(dòng)的閥可安裝在管道上的任意位置。但帶有齒輪箱或氣動(dòng)驅(qū)動(dòng)器的球閥應(yīng)直立安裝，即安裝在水平管道上，且驅(qū)動(dòng)裝置處于管道上方。2、閥法蘭與管線法蘭間按管路設(shè)計(jì)要求裝上密封墊。3、法蘭上的螺栓需對(duì)稱、逐次、均勻擰緊。4、連接氣動(dòng)管線（采用氣動(dòng)驅(qū)動(dòng)器時(shí)）。必須先查明球閥上、下游管道確已卸除壓力后，才能進(jìn)行拆卸分解操作。分解及再裝配時(shí)必須小心防止損傷零件的密封面，特別是非金屬零件，取出O型圈時(shí)宜使用**工具。裝配時(shí)法蘭上的螺栓必須對(duì)稱、逐步、均勻地?cái)Q緊。清洗劑應(yīng)與球閥中的橡膠件、塑料件、金屬件及工作介質(zhì)（例如燃?xì)猓┑染嗳荨９ぷ鹘橘|(zhì)為燃?xì)鈺r(shí)，可用汽油(GB484-89)清洗金屬零件。非金屬零件用純凈水或酒精清洗。分解下來(lái)的單個(gè)零件可以用浸洗方式清洗。尚留有未分解下來(lái)的非金屬件的金屬件可采用干凈的細(xì)潔的浸漬有清洗劑的綢布（為避免纖維脫落粘附在零件上）</span><span style="font-size:16px;">擦</span><span style="font-size:16px;">洗。清洗時(shí)須去除一切粘附在壁面上的油脂、污垢、積膠、灰塵等。</span> 球閥流體阻力小，無(wú)振動(dòng)，噪聲小。石嘴山球閥銷(xiāo)售價(jià)格</p><p style="text-indent:25px">安裝完畢后，啟動(dòng)球閥開(kāi)、關(guān)數(shù)次，應(yīng)該動(dòng)作靈活，受力均勻，球閥工作正常。石嘴山球閥銷(xiāo)售價(jià)格</p><p> <span style="font-size:16px;">球閥是由閥桿帶動(dòng)作為啟閉件的球體，繞球閥軸線作旋轉(zhuǎn)運(yùn)動(dòng)的閥門(mén)，可以用于流體的調(diào)節(jié)和控制。球閥問(wèn)世于20世紀(jì)50年代，現(xiàn)在已經(jīng)成為應(yīng)用為的一大閥類(lèi)。它的啟閉件是位于閥門(mén)中心處的球體，由閥桿帶動(dòng)旋轉(zhuǎn)實(shí)現(xiàn)開(kāi)閉操作。球閥和蝶閥、旋塞閥一樣都是四分之一轉(zhuǎn)閥，可以快速啟閉，只需要轉(zhuǎn)動(dòng)90°就可以從全開(kāi)到全關(guān)。球閥的球體和閥體都由金屬材料制成，如不銹鋼；閥座是較為柔軟的彈性材料，如聚四氟乙烯、氯丁橡膠等。這樣球體可以被壓在閥座上，使閥門(mén)得到良好的密封。球閥頂部與閥桿的連接處通常是矩形的，這可以讓我們?cè)诓辉斐汕蝮w變形的情況下施加較大的力矩，對(duì)閥門(mén)的開(kāi)閉進(jìn)行控制。球閥的一大優(yōu)點(diǎn)是閥門(mén)全開(kāi)時(shí)通過(guò)閥門(mén)的流體壓降很小，幾乎不受阻礙。球閥可以分為文丘里閥、縮徑球閥</span><span style="font-size:16px;">和全通徑球閥三種，其中全通徑球閥的流道尺寸與管道內(nèi)徑相同，通過(guò)閥門(mén)的流體壓降非常小。</span> 石嘴山球閥銷(xiāo)售價(jià)格</p><p style="text-indent:25px">甘肅誠(chéng)禹惠物資有限公司是一家服務(wù)型類(lèi)企業(yè)，積極探索行業(yè)發(fā)展，努力實(shí)現(xiàn)產(chǎn)品創(chuàng)新。公司致力于為客戶提供安全、質(zhì)量有保證的良好產(chǎn)品及服務(wù)，是一家有限責(zé)任公司企業(yè)。公司擁有專業(yè)的技術(shù)團(tuán)隊(duì)，具有誠(chéng)禹惠閥門(mén)，球閥批發(fā)，閥門(mén)批發(fā)，蝶閥批發(fā)等多項(xiàng)業(yè)務(wù)。甘肅誠(chéng)禹惠物資順應(yīng)時(shí)代發(fā)展和市場(chǎng)需求，通過(guò)**技術(shù)，力圖保證高規(guī)格高質(zhì)量的誠(chéng)禹惠閥門(mén)，球閥批發(fā)，閥門(mén)批發(fā)，蝶閥批發(fā)。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1736804.html</p></div></div></div></div></div><div id="ztv3gqs" class="page-right twoColRt"><div id="vkhogip" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="qp7pt2v" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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