溫州氣動閥門控制系統(tǒng) 上海翊皖船舶設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="船用閥門?相關(guān)知識：截止閥選用原則：1、小型閥門可選用針閥、儀表閥、取樣閥、壓力計閥等。2、有流量調(diào)節(jié)或壓力調(diào)節(jié)，但對調(diào)節(jié)精度要求不高，溫州氣動閥門控制系統(tǒng)，而且管路直徑又比較小，如公稱通經(jīng)≤50mm的管路上，溫州氣動閥門控制系統(tǒng)，宜選用。"><meta name="keywords" content="溫州氣動閥門控制系統(tǒng),船用閥門遙控系統(tǒng)"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta 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class="leftbox clearfix"><h1>溫州氣動閥門控制系統(tǒng) 上海翊皖船舶設(shè)備供應(yīng)</h1><div id="i8btvxo" class="proBig"><div id="alcelxz" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/yiwanchuanbo/637423554033776380/5593361.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="o8eld3a" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/yiwanchuanbo/637423554033776380/5593361.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="zgikmog" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>溫州氣動閥門控制系統(tǒng),船用閥門遙控系統(tǒng)</p><p><span>***更新：</span>2021-01-15 07:16:21</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="kjlikrt" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海翊皖船舶設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>徐慶華</p><p><span>郵箱: </span>hc_automation@163.com</p><p><span>電話: </span>13917998260</p><p><span>傳真: </span>021_58461662</p><p><span>網(wǎng)址: </span>http://www.sh-yiwan.cn</p><p><span>手機(jī): </span>021-58361662</p><p><span>地址: </span>中國(上海)自由貿(mào)易試驗區(qū)張楊路828-838號26樓</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="zxurj8y" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="79c2ogy" class="box"><p><p style="text-indent:25px">船用閥門?相關(guān)知識：截止閥選用原則：1、小型閥門可選用針閥、儀表閥、取樣閥、壓力計閥等。 2、有流量調(diào)節(jié)或壓力調(diào)節(jié)，但對調(diào)節(jié)精度要求不高，溫州氣動閥門控制系統(tǒng)，而且管路直徑又比較小，如公稱通經(jīng)≤50mm 的管路上，溫州氣動閥門控制系統(tǒng)，宜選用。 3、合成工業(yè)生產(chǎn)中的小化肥和大化肥宜選用公稱壓力PN160 公稱壓力16MPa 或PN320 公稱壓力32MPa 的高壓角式截止閥或高壓角式節(jié)流閥。 4、氧化鋁拜耳法生產(chǎn)中的脫硅車間、易結(jié)焦的管路上，易選用閥體分開式、閥座可去處的、硬質(zhì)合金密封副的直流式截止閥或直流式節(jié)流閥。5、城市建設(shè)中的供水、供熱工程上，溫州氣動閥門控制系統(tǒng)，公稱通經(jīng)較小的管路，可選用截止、平衡閥或柱塞閥，如公稱通經(jīng)小于150mm的管路上。雙作用執(zhí)行器是指兩邊都是氣缸或油缸驅(qū)動閥的開關(guān)。溫州氣動閥門控制系統(tǒng)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="溫州氣動閥門控制系統(tǒng),船用閥門遙控系統(tǒng)" src="https://tyunfile.71360.com/UploadFile/yiwanchuanbo/637423554033776380/5593361.png"></div><p style="text-indent:25px">船用閥門常見問題該如何處理：為什么直行程調(diào)節(jié)閥閥桿較細(xì)？它涉及一個簡單的機(jī)械原理：滑動摩擦大、滾動摩擦小。直行程閥的閥桿上下運(yùn)動，填料稍壓緊一點(diǎn)，它就會把閥桿包得很緊，產(chǎn)生較大的回差。為此，閥桿設(shè)計得非常細(xì)小，填料又常用摩擦系數(shù)小的四氟填料，以便減少回差，但由此派出的問題是閥桿細(xì)，則易彎，填料壽命也短。解決這個問題，較好的辦法就是用旅轉(zhuǎn)閥閥桿，即角行程類的調(diào)節(jié)閥，它的閥桿比直行程閥桿粗2～3倍，且選用壽命長的石墨填料，閥桿剛度好，填料壽命長，其摩擦力矩反而小、回差小。溫州氣動閥門控制系統(tǒng)液壓驅(qū)動閥門遙控系統(tǒng)包括液壓動力單元、控制單元、電磁閥箱、執(zhí)行單元和應(yīng)急操作單元等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="溫州氣動閥門控制系統(tǒng),船用閥門遙控系統(tǒng)" src="https://tyunfile.71360.com/UploadFile/yiwanchuanbo/637423554168131867/6421469.png"></div><p style="text-indent:25px">閥門遙控系統(tǒng)在船舶上是一個非常重要的系統(tǒng)，它一般用在貨船的壓載系統(tǒng)和貨、燃油輸送系統(tǒng)。該系統(tǒng)能在控制室遙控閥的開和關(guān)，使船員能方便地進(jìn)行壓載水和燃油的調(diào)駁，獲得想要的船舶吃水狀態(tài)，來滿足船舶的各種工況要求。該系統(tǒng)用在油船貨油系統(tǒng)上，更是該船的經(jīng)濟(jì)命脈線，貨油的裝和卸全靠閥門遙控系統(tǒng)安全可靠的工作。閥門遙控系統(tǒng)還解決了有些場所船員不能隨時進(jìn)入操作閥門和遠(yuǎn)距離閥門操作工作量大的問題。閥門遙控系統(tǒng)的出現(xiàn)，較大減輕了船員的工作強(qiáng)度，減少不必要的工作危險，進(jìn)一步保障了船員的安全，并保證了船舶的安全航行和經(jīng)濟(jì)效益。所以，閥門遙控系統(tǒng)的工作可靠性決定該船的安全和經(jīng)濟(jì)效益，各船公司對閥門遙控系統(tǒng)都已非常重視。閥門遙控系統(tǒng)一般有三種型式，即：氣動式、液動式和電-液式。本文介紹三種閥門遙控系統(tǒng)它們的驅(qū)動和控制型式的組成、工作原理和特點(diǎn)及閥門遙控系統(tǒng)中閥和執(zhí)行器及船級社規(guī)范要求。</p><p style="text-indent:25px">船用閥門常見問題該如何處理：一、為什么雙座閥小開度工作時容易振蕩？對單芯而言，當(dāng)介質(zhì)是流開型時，閥穩(wěn)定性好；當(dāng)介質(zhì)是流閉型時，閥的穩(wěn)定性差。雙座閥有兩個閥芯，下閥芯處于流閉，上閥芯處于流開，這樣，在小開度工作時，流閉型的閥芯就容易引起閥的振動，這就是雙座閥不能用于小開度工作的原因所在。二、為什么雙密封閥不能當(dāng)作切斷閥使用？雙座閥閥芯的優(yōu)點(diǎn)是力平衡結(jié)構(gòu)，允許壓差大，而它突出的缺點(diǎn)是兩個密封面不能同時良好接觸，造成泄漏大。如果把它人為地、強(qiáng)制性地用于切斷場合，顯然效果不好，即便為它作了許多改進(jìn)（如雙密封套筒閥），也是不可取的。甲板安裝方式用于浸沒式或操作人員難以到達(dá)的驅(qū)動器，以便于手動泵連接進(jìn)行應(yīng)急操作。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="溫州氣動閥門控制系統(tǒng),船用閥門遙控系統(tǒng)" src="https://tyunfile.71360.com/UploadFile/yiwanchuanbo/637423554112282151/1978597.png"></div><p style="text-indent:25px">船用閥門工作原理：截止閥，也叫截門，是使用較普遍的一種閥門，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。截止閥的閉合原理是，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。截止閥只許介質(zhì)單向流動，安裝時有方向性。截止閥的結(jié)構(gòu) 長度大于閘閥，同時流體阻力大，長期運(yùn)行時，密封可靠性不強(qiáng)。截止閥開啟時，閥瓣的開啟高度，為公稱直徑的25%～30%時，流量已達(dá)到較大，表示閥門已達(dá)全開位置。所以截止閥的全開位置，應(yīng)由閥瓣的行程來決定。按照閥的遙控控制方式，可分為模擬板開/關(guān)控制和計算機(jī)開/關(guān)控制。溫州氣動閥門控制系統(tǒng)</p><p style="text-indent:25px">控制單元包括遠(yuǎn)程控制板和現(xiàn)場控制板。溫州氣動閥門控制系統(tǒng)</p><p 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