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src="https://tyunfile.71360.com/UploadFile/gscyhwz/637316968140605468/8783161.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="lkb3lfe" 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>民勤閘閥廠家價(jià)格,閘閥</p><p><span>***更新：</span>2020-11-04 11:30:01</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="xw722tf" 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="oizgimd" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3lkhdcy" class="box"><p><p> <span style="font-size:16px;">彈性性座封閘閥由于采用噴涂工藝，民勤閘閥廠家價(jià)格，環(huán)氧樹脂涂層表面非常光滑，極大地降低了介質(zhì)流經(jīng)通道的表面粗糙度，因此流阻小、水頭損小；同時(shí)閥體底部設(shè)計(jì)為直通型也減少了流阻和水頭損失。特殊軸密封由于閥桿采用三道O型圈密封，一道防塵圈密封設(shè)計(jì)，可減少開關(guān)時(shí)的摩擦阻力，大幅減少漏水現(xiàn)象。彈性座封閘閥操作時(shí)的啟閉方向，一律應(yīng)順時(shí)針關(guān)閉。由于管網(wǎng)中的氣動(dòng)閥，民勤閘閥廠家價(jià)格，經(jīng)常是人工啟閉，啟閉轉(zhuǎn)數(shù)不宜過多，就是大口徑閥門亦應(yīng)在200－600轉(zhuǎn)內(nèi)。為了便于一個(gè)人的啟閉操作，在管道工壓狀況下，比較大啟閉力矩宜為240N-m。彈性座封閘閥啟閉操作端應(yīng)為方榫，民勤閘閥廠家價(jià)格，且尺寸標(biāo)準(zhǔn)化，并面向地面，以便人們從地面上可直接操作。帶輪盤的閥門不適用于地下管網(wǎng)。</span> 閘閥是石油化工生產(chǎn)裝置中用得較多的一種類型。民勤閘閥廠家價(jià)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="民勤閘閥廠家價(jià)格,閘閥" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637316968140605468/8783161.png"></div><p> <span style="font-size:16px;">閘閥的啟閉件是閘板，閘板的運(yùn)動(dòng)方向與流體方向相垂直，閘閥只能作全開和全關(guān)，不適門參數(shù)而異,通常為5°,介質(zhì)溫度不高時(shí)為2°52‘。改善其工藝性,彌補(bǔ)密封面角度在加工過程中產(chǎn)生的偏差,這種閘板叫做彈性閘板。閘門介紹閘閥關(guān)閉時(shí)，密封面可以只依靠介質(zhì)壓力來密封，即只依靠介質(zhì)壓力將閘板的密封面壓向另一側(cè)的閥座來保證密封面的密封，這就是自密封。大部分閘閥是采用強(qiáng)制密封的，即閥門關(guān)閉時(shí)，要依靠外力強(qiáng)行將閘板壓向閥座，以保證密封面的密封性。運(yùn)動(dòng)方式：閘閥的閘板隨閥桿一起作直線運(yùn)動(dòng)的，亦叫明桿閘閥。通常在升降桿上有梯形螺紋，通過閥門頂端的螺母以及閥體上的導(dǎo)槽，將旋轉(zhuǎn)運(yùn)動(dòng)變?yōu)橹本€運(yùn)動(dòng),也就是將操作轉(zhuǎn)矩變?yōu)椴僮魍屏Αｉ_啟閥門時(shí)，當(dāng)閘板提升高度等于閥門通徑的1：1倍時(shí)，流體的通道完全暢通，但在運(yùn)行時(shí)，此位置是無法監(jiān)視的。實(shí)際使用時(shí)，是以閥桿的頂點(diǎn)作為標(biāo)志，即開不動(dòng)的位置，作為它的全開位置。為考慮溫度變化出現(xiàn)</span><span style="font-size:16px;">鎖死現(xiàn)象,通常在開到頂點(diǎn)位置上,再倒回1/2－1圈,作為全開閥門的位置。因此,閥門的全開位置，按閘板的位置（即行程〉來確定。有的閘閥閥桿螺母設(shè)在閘板上，手輪轉(zhuǎn)動(dòng)帶動(dòng)閥桿轉(zhuǎn)動(dòng)，而使閘板提升。</span> 秦安閘閥銷售價(jià)格軟密封襯膠閥板尺寸統(tǒng)一，互換性強(qiáng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="民勤閘閥廠家價(jià)格,閘閥" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637316968058535156/4307874.png"></div><p> <span style="font-size:16px;">閘閥的啟閉件是閘板，閘板的運(yùn)動(dòng)方向與流體方向相垂直，閘閥只能作全開和全關(guān),不能作調(diào)節(jié)和節(jié)流。閘板有兩個(gè)密封面,常用的模式閘板閥的兩個(gè)密封面形成楔形、楔形角隨閥門參數(shù)而異,通常為50,介質(zhì)溫度不高時(shí)為2°52'。楔式閘閥的閘板可以做成一個(gè)整體，叫做剛性閘板;也可以做成能產(chǎn)生微量變形的閘板,以改善其工藝性,彌補(bǔ)密封面角度在加工過程中產(chǎn)生的偏差,這種閘板叫做彈性閘板。閘閥的種類,按密封面配置可分為楔式閘板式閘閥和平行閘板式閘閥,楔式閘板式閘閥又可分為:單閘板式、雙閘板式和彈性閘板式;平行閘板式閘閥可分為單閘板式和雙閘板式。按閥桿的螺紋位置劃分，可分為明桿閘閥和暗桿閘閥兩種。閘閥關(guān)閉時(shí),密封面可以只依靠介質(zhì)壓力來密封,即依靠介質(zhì)壓力將閘板的密封面壓向另一側(cè)的閥座來保證密封面的密封，這就是自密封。大部分閘閥是采用強(qiáng)制密封的,即閥門關(guān)閉時(shí)，要依靠外力強(qiáng)行將閘板壓向閥座,以保證密封面的密封性。</span> </p><p> <span style="font-size:16px;">閘閥是具有雙流向的閥門，不受介質(zhì)流向限制，因此適用于介質(zhì)可能改變流動(dòng)方向的管路，同時(shí)也便于安裝。外形設(shè)計(jì)尺寸高，起閉時(shí)間長(zhǎng)。開啟時(shí)需要將閥板提升到閥腔上部，關(guān)閉時(shí)又需要將閥板全部落到閥座內(nèi)，因此閥板啟閉行程大，時(shí)間長(zhǎng)；2.由于閘閥的閥板與閥座的兩密封面在啟閉過程中存在摩擦，因此密封面容易擦傷，對(duì)密封性能和使用壽命都有影響，并且不易維修。不同結(jié)構(gòu)閘閥的性能比較1.楔式單閘板閘閥a、結(jié)構(gòu)較彈性閘板閥簡(jiǎn)單；b、在較高溫度下，密封性能不如彈性閘板閥或雙閘板閥好；c、適用于易結(jié)焦的高溫介質(zhì)。2.彈性閘板閘閥a、它是楔式單閘板閥的特殊形式。與楔式閘閥比較，在高溫時(shí)，密封性能好，閘板受熱后不易被卡住；b、適用于蒸汽、高溫油品及油氣介質(zhì)，并適用于開關(guān)頻繁的部位；c</span><span style="font-size:16px;">、不適用于易結(jié)焦的介質(zhì)。</span> 閘閥又稱閘板閥，是利用閘板來控制啟閉的閥門。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="民勤閘閥廠家價(jià)格,閘閥" src="https://tyunfile.71360.com/UploadFile/gscyhwz/637316968171630859/6768711.png"></div><p> <span style="font-size:16px;">閘閥的閘板隨閥桿一起作直線運(yùn)動(dòng)的，亦叫明桿閘閥。通常在升</span><span style="font-size:16px;"></span><span style="font-size:16px;">降桿上有梯形螺紋，通過閥門頂端的螺母以及閥體上的導(dǎo)槽，將旋轉(zhuǎn)運(yùn)動(dòng)變?yōu)橹本€運(yùn)動(dòng),也就是將操作轉(zhuǎn)矩變?yōu)椴僮魍屏Αｉ_啟閥門時(shí)，當(dāng)閘板提升高度等于閥門通徑的1：1倍時(shí)，流體的通道完全暢通，但在運(yùn)行時(shí)，此位置是無法監(jiān)視的。實(shí)際使用時(shí)，是以閥桿的頂點(diǎn)作為標(biāo)志，即開不動(dòng)的位置，作為它的全開位置。為考慮溫度變化出現(xiàn)鎖死現(xiàn)象,通常在開到頂點(diǎn)位置上,再倒回1/2－1圈,作為全開閥門的位置。因此,閥門的全開位置，按閘板的位置（即行程〉來確定。有的閘閥閥桿螺母設(shè)在閘板上，手輪轉(zhuǎn)動(dòng)帶動(dòng)閥桿轉(zhuǎn)動(dòng)，而使閘板提升，這種閥門叫做旋轉(zhuǎn)桿閘閥或叫暗桿閘閥。大部分閘閥是采用強(qiáng)制密封的，即閥門關(guān)閉時(shí)，要依靠外力強(qiáng)行將閘板壓向閥座，以保</span><span style="font-size:16px;">證密封面的密封性。</span> 適用介質(zhì)范圍：水、蒸汽、油品、氧化性腐蝕介質(zhì)、酸、堿類煙道氣等；民勤閘閥廠家價(jià)格</p><p style="text-indent:25px">明桿閘閥又叫升降式閘閥，它的閥桿與閘板相連，螺紋則位于閥桿的頂端。民勤閘閥廠家價(jià)格</p><p> <span style="font-size:16px;">內(nèi)螺紋閘閥，也叫截門，是使用的一種閥門，屬于強(qiáng)制密封式閥門，它的閉合原理是，依靠閥杠壓力，使閥瓣密封面與閥座密封面緊密貼合，阻止介質(zhì)流通。其按不同方式分為多個(gè)種類。內(nèi)螺紋閘閥的啟閉件是塞形的閥瓣，密封面呈平面或錐面，閥瓣沿流體的中心線作直線運(yùn)動(dòng)。閥桿的運(yùn)動(dòng)形式，有升降桿式（閥桿升降，手輪不升降），也有升降旋轉(zhuǎn)桿式（手輪與閥桿一起旋轉(zhuǎn)升降，螺母設(shè)在閥體上）。紋管截止閥只適用于全開和全關(guān)，不允許作調(diào)節(jié)和節(jié)流。手輪、手柄操作的紋管截止閥可安裝在管道的任何位置上。手輪、手柄及傳動(dòng)機(jī)構(gòu)，不允許作起吊用。介質(zhì)的流向應(yīng)與閥體所示箭頭方向一致。內(nèi)螺紋閘閥，也叫截門，是使用*****的一種閥門，它之所以廣受歡迎，是由于開閉過程中密封面之間摩擦力小，比較耐用，開啟高度不大，制造容易，維修方便，不僅適用于中低壓，而且適用于高壓。它的閉合原理是，依靠閥杠壓力，使閥瓣密封面與閥座密封面緊密貼合，阻止介質(zhì)流通。內(nèi)螺紋閘閥只許介質(zhì)單向流動(dòng)，安裝時(shí)有方向性。它的結(jié)構(gòu)長(zhǎng)度大于閘閥，同時(shí)流體阻力大，長(zhǎng)期運(yùn)行時(shí)，密封可靠性不強(qiáng)。</span> 民勤閘閥廠家價(jià)格</p><p style="text-indent:25px">甘肅誠(chéng)禹惠物資有限公司一直專注于閥門及配件、水泵、水暖器材、五金交電、機(jī)械設(shè)備、建筑材料、管道管材管件、電子產(chǎn)品（不含衛(wèi)星地面接收設(shè)施）、塑料制品、辦公用品、勞保用品、金屬制品及材料、消防器材、五金工具、成套設(shè)備、電線電纜、冶金機(jī)械、石化機(jī)械、家用電器、機(jī)械設(shè)備、機(jī)電設(shè)備及配件、保溫材料、裝潢材料、玻璃儀器、燈具、化工產(chǎn)品（不含危險(xiǎn)化學(xué)品、易制毒化學(xué)品、監(jiān)控化學(xué)品）的批發(fā)、零售，是一家機(jī)械及行業(yè)設(shè)備的企業(yè)，擁有自己**的技術(shù)體系。公司目前擁有較多的高技術(shù)人才，以不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，加快企業(yè)技術(shù)創(chuàng)新，實(shí)現(xiàn)穩(wěn)健生產(chǎn)經(jīng)營(yíng)。公司以誠(chéng)信為本，業(yè)務(wù)領(lǐng)域涵蓋誠(chéng)禹惠閥門，球閥批發(fā)，閥門批發(fā)，蝶閥批發(fā)，我們本著對(duì)客戶負(fù)責(zé)，對(duì)員工負(fù)責(zé)，更是對(duì)公司發(fā)展負(fù)責(zé)的態(tài)度，爭(zhēng)取做到讓每位客戶滿意。公司憑著雄厚的技術(shù)力量、飽滿的工作態(tài)度、扎實(shí)的工作作風(fēng)、良好的職業(yè)道德，樹立了良好的誠(chéng)禹惠閥門，球閥批發(fā)，閥門批發(fā)，蝶閥批發(fā)形象，贏得了社會(huì)各界的信任和認(rèn)可。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1846483.html</p></div></div></div></div></div><div id="fz7of2z" class="page-right twoColRt"><div id="dsjghlm" class="box01 margin10 clearfix"><h3><a 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