進(jìn)口鍋爐給水調(diào)節(jié)閥|進(jìn)口給水多回轉(zhuǎn)調(diào)節(jié)閥|高壓給水調(diào)節(jié)閥|進(jìn)口電動高壓調(diào)節(jié)閥|高壓水流量調(diào)節(jié)閥|T968Y
一、進(jìn)口鍋爐給水調(diào)節(jié)閥概述 關(guān)鍵詞:進(jìn)口給水調(diào)節(jié)閥,進(jìn)口給水多回轉(zhuǎn)調(diào)節(jié)閥,高壓給水調(diào)節(jié)閥,進(jìn)口電動高壓調(diào)節(jié)閥,高壓水流量調(diào)節(jié)閥,T968Y進(jìn)口 VTON系列進(jìn)口鍋爐給水調(diào)節(jié)閥是給水系統(tǒng)自動調(diào)節(jié)系統(tǒng)中zui主要設(shè)備之一,廣泛應(yīng)用于電站、化工、石油、冶金等給水系統(tǒng)中流量的調(diào)節(jié)。其結(jié)構(gòu)特點(diǎn)是采用多片帶孔園盤疊合而成的節(jié)流環(huán)和其上部的均流罩構(gòu)成節(jié)流件,通過閥芯的升降來改變節(jié)流環(huán)或均流罩的通流截面來實(shí)現(xiàn)給水流量的調(diào)節(jié),保證生產(chǎn)過程的需要。由于調(diào)節(jié)時采用節(jié)流環(huán),改變了傳統(tǒng)的一次降壓變?yōu)槎啻谓祲?,在大流量區(qū)由上面均流罩截面的改變來調(diào)節(jié)給水流量。因此,該閥門抗汽蝕、噪聲小、延長了調(diào)節(jié)閥的使用壽命。由于該閥門采用了壓力平衡式結(jié)構(gòu),降低了閥門的不平衡力,減小了執(zhí)行機(jī)構(gòu)的驅(qū)動力矩,節(jié)約能源。由于該閥門采用方便的裝配式結(jié)構(gòu),因此拆裝方便,減少了維修工作量。該系列調(diào)節(jié)閥也適用于其它各類液體的流量調(diào)節(jié)。 二、給水調(diào)節(jié)閥工作原理 VTON系列給水調(diào)節(jié)閥是由電動執(zhí)行機(jī)構(gòu)和調(diào)節(jié)閥兩部份組成。電動調(diào)節(jié)閥輸入是調(diào)節(jié)器送來的直流電流信號,經(jīng)伺服放大器放大后來驅(qū)動執(zhí)行機(jī)構(gòu),產(chǎn)生軸向推力,帶動調(diào)節(jié)閥動作,從而引起介質(zhì)流量的變化來調(diào)節(jié)系統(tǒng)中各類參數(shù)同時執(zhí)行機(jī)構(gòu)發(fā)出一個閥的位置信號供伺服放大器比較,使調(diào)節(jié)閥始終保持在一個與輸入信號相對應(yīng)的位置上完成伺服調(diào)節(jié)任務(wù)。 |
三、給水調(diào)節(jié)閥主要技術(shù)參數(shù) |
公稱通徑DN(mm) | 50 | 65 | 80 | 100 | 150 | 175 | 200 | 225 | 250 | 300 | 流量特性 | 近似線性、近似等百分比 | 公稱壓力 P N(MPa) | 25/32 | 連接型式 | 焊接 | 配用執(zhí)行機(jī)構(gòu) | ZKD型 | 行程L(mm) | 40 | 40 | 57.6 | 57.6 | 57.6 | 57.6 | 88.2 | 88.2 | 88.2 | 88.2 | zui大壓差△P(MPa) | 15/20.5 | 額定流量系數(shù)Cv | 25 | 39 | 56 | 91 | 210 | 280 | 365 | 460 | 580 | 820 | 工作溫度(℃) | ≤ 350 | 使用介質(zhì) | 水 |
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注:也可配氣動執(zhí)行機(jī)構(gòu)或HQ智能型執(zhí)行機(jī)構(gòu) |
四、給水調(diào)節(jié)閥主要技術(shù)性能指標(biāo) | | 五、閥門主要材料 |
項(xiàng)目 | 技術(shù)性能指標(biāo) | 基本誤差(%) | 不超過 ±2.5 | 回差(%) | ≤ 1.5 | 死區(qū)(%) | ≤ 3 | 泄漏量 | 0.01 % × 閥額定容量 |
| | 名稱 | 材料 | 閥體 | ASTM A211WCB、A217WC6 或ZG20CrMo | 閥芯 | ASTM 440C 或 2Cr13 堆焊司太萊合金 | 閥桿 | ASTM 17-4PH | 閥座 | 2Cr13 堆焊司太萊合金 |
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如果您有需要咨詢更詳細(xì)的產(chǎn)品信息, 歡迎*一級代理商:深圳名閥進(jìn)出口貿(mào)易有限公司
: :黃工
http://www.fm669.com http://www.lit-valve.com/
進(jìn)口電動調(diào)節(jié)閥--美國威盾VTON是指采用*的電動執(zhí)行器作為控制主件,執(zhí)行器內(nèi)帶高檔的定位器,配合流量計,溫度傳感器,壓力變送器的數(shù)據(jù)傳輸,通過接收和反饋0~10或4~20mA模擬信號,來實(shí)現(xiàn)對介質(zhì)流量、溫度、壓力的調(diào)節(jié)。
Electric control valve is the use of advanced electric actuator as control of the main actuator with high-end positioning, with the flow meters, temperature sensors, pressure transmitters, data transmission, reception and feedback from 0 to 10 or 4 ~20mA analog signal, to achieve the medium flow rate, temperature, pressure regulator.
口徑:DN1-1000
壓力:PN1.6-80Mpa
適用溫度:-196℃-600℃
電壓:AC220V, AC380V
適用介質(zhì):水,蒸汽,油品,各種氣體:空氣,氮?dú)?,氧氣,氫氣,以及腐蝕性介質(zhì)。
應(yīng)用范圍:電力、冶金、化工、輕紡、水處理、熱力等工業(yè)自動控制系統(tǒng)中
詳細(xì)產(chǎn)品信息可訪問:
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美國威盾VTON進(jìn)口調(diào)節(jié)閥產(chǎn)品導(dǎo)航 |
進(jìn)口電動調(diào)節(jié)閥 | 進(jìn)口氣動調(diào)節(jié)閥 | 進(jìn)口自力式調(diào)節(jié)閥 |
進(jìn)口電動單座調(diào)節(jié)閥 進(jìn)口電動套筒調(diào)節(jié)閥 進(jìn)口電動三通調(diào)節(jié)閥 進(jìn)口電動V型調(diào)節(jié)球閥 進(jìn)口電動調(diào)節(jié)蝶閥 進(jìn)口電動高壓調(diào)節(jié)閥 進(jìn)口電動高溫調(diào)節(jié)閥 進(jìn)口電動衛(wèi)生調(diào)節(jié)閥 進(jìn)口電動隔膜調(diào)節(jié)閥 進(jìn)口電動小流量調(diào)節(jié)閥 進(jìn)口電動防爆調(diào)節(jié)閥 進(jìn)口電動低溫調(diào)節(jié)閥 進(jìn)口電動保溫調(diào)節(jié)閥 進(jìn)口電動壓力調(diào)節(jié)閥 進(jìn)口電動溫度調(diào)節(jié)閥 進(jìn)口電動流量調(diào)節(jié)閥 進(jìn)口電動給水調(diào)節(jié)閥 進(jìn)口電動二通閥 進(jìn)口動態(tài)平衡電動調(diào)節(jié)閥 進(jìn)口電動襯氟調(diào)節(jié)閥 進(jìn)口智能型電動調(diào)節(jié)閥 進(jìn)口蒸汽電動調(diào)節(jié)閥 進(jìn)口比例積分電動調(diào)節(jié)閥 進(jìn)口電動散熱調(diào)節(jié)閥 進(jìn)口電動高壓閥 進(jìn)口電動角型調(diào)節(jié)閥 | 進(jìn)口氣動單座調(diào)節(jié)閥 進(jìn)口氣動薄膜調(diào)節(jié)閥 進(jìn)口氣動雙座調(diào)節(jié)閥 進(jìn)口氣動套筒調(diào)節(jié)閥 進(jìn)口氣動籠式調(diào)節(jié)閥 進(jìn)口氣動三通調(diào)節(jié)閥 進(jìn)口氣動V型調(diào)節(jié)球閥 進(jìn)口氣動調(diào)節(jié)蝶閥 進(jìn)口氣動隔膜調(diào)節(jié)閥 進(jìn)口氣動蒸汽調(diào)節(jié)閥 進(jìn)口氣動壓力調(diào)節(jié)閥 進(jìn)口氣動流量調(diào)節(jié)閥 進(jìn)口氣動溫度調(diào)節(jié)閥 進(jìn)口氣動高壓調(diào)節(jié)閥 進(jìn)口氣動高溫調(diào)節(jié)閥 進(jìn)口氣動保溫調(diào)節(jié)閥 進(jìn)口氣動低溫調(diào)節(jié)閥 進(jìn)口氣動小流量調(diào)節(jié)閥 進(jìn)口氣動襯氟調(diào)節(jié)閥 進(jìn)口氣動角形調(diào)節(jié)閥 進(jìn)口氣動衛(wèi)生級調(diào)節(jié)閥 進(jìn)口氣動罐底調(diào)節(jié)閥
| 進(jìn)口自力式/自立式調(diào)節(jié)閥 進(jìn)口自力式壓力調(diào)節(jié)閥 進(jìn)口自力式閥前壓力調(diào)節(jié)閥 進(jìn)口自力式閥后壓力調(diào)節(jié)閥 進(jìn)口自力式流量調(diào)節(jié)閥 進(jìn)口自力式溫度調(diào)節(jié)閥 進(jìn)口自力式微(差)壓調(diào)節(jié)閥 進(jìn)口帶指揮器壓力調(diào)節(jié)閥 進(jìn)口自力式壓差調(diào)節(jié)閥 進(jìn)口自力式氮封閥 進(jìn)口自力式調(diào)壓閥 進(jìn)口自力式減壓閥 進(jìn)口自力式蒸汽調(diào)節(jié)閥 進(jìn)口自力式水調(diào)節(jié)閥 進(jìn)口自力式不銹鋼調(diào)節(jié)閥 進(jìn)口自力式鑄鋼調(diào)節(jié)閥 |