詳細介紹 KVD643F/H型氣動法蘭式蝶閥結(jié)構(gòu)簡單,操作方便,重量輕,口徑大,流通能力大等優(yōu)點,且具有自清洗功能。氣動法蘭式蝶閥適用于懸浮顆粒的流體及濃、濁漿頭流體的調(diào)節(jié),廣泛應(yīng)用于石油、化工、電站、輕紡、造紙等行業(yè)生產(chǎn)過程的自動化調(diào)節(jié)和遠程控制中,用于控制液位、流量、壓力等工藝參數(shù) 氣動法蘭式蝶閥性能參數(shù)公稱通徑mm508010012515020025030035040045050060070080090010001200額定流量系數(shù)Kv852203405307701360213030604160545069008500122001660021700275403400043200公稱壓力MPa0.6, 1.0, 1.6轉(zhuǎn)角范圍90°信號壓力KPa20~100流量特性近似等百分比介質(zhì)溫度℃-20℃~+200℃(常溫), -29℃~+425℃(中溫), -40℃~+570℃(高溫)接管法蘭按JB78對夾式法蘭連接信號連接螺孔M16×1.5閥體材質(zhì)WCB(ZG230-450), ICr18Ni9, ZG1Cr18Ni9Ti, ZG0Cr18Ni12Mo2Ti活塞式執(zhí)行機構(gòu)主要技術(shù)參數(shù)型號活塞直徑有效面積cm2zui大行程mmzui大操作壓力KPazui大輸出力NZCS-452504846050021800性能指標執(zhí)行機構(gòu)薄膜式執(zhí)行機構(gòu)活塞式執(zhí)行機構(gòu)類別不帶定位器帶定位器帶定位器彈簧范圍KPa20~100 40~20020~60 60~100項 目基本誤差%8-±2.5±2.5回差%6-≤2.5≤2.5死區(qū)%5-≤1.0≤1.0始終點偏差%氣開始點4.04.0±2.5±2.5終點88氣差始點88終點4.04.0額定轉(zhuǎn)角偏差%4.04.0≤+2.5≤+2.5允許泄漏量L/h2×10-2×閥的額定容量允許壓差配用執(zhí)行機構(gòu)型號ZMA-2ZMA-3ZMA-4ZMA-5ZMA-45公 稱通徑mm502.2(5.0)0.097(0.22) 652.2(5.0)0.097(0.22) 800.87(1.965)0.038(0.086) 1000.0556(1.257)0.0196(0.0445) 125 0.638(1.345)0.0250(0.0542) 150 0.444(0.935)0.015(0.0314) 200 0.185(0.407)0.00587(0.0129) 250 0.331(0.685)0.00845(0.0175) 300 0.181(0.385)0.00461(0.00983) 350 0.133(0.284)0.00292(0.00622) 400 0.216(0.45)0.00485(0.0101) 450 0.171(0.356)0.00341(0.0071) 500 0.139(0.289)0.0025(0.0052) 600 0.970.019700 0.710.0119800 0.4420.00795900 0.3390.005991000 0.2360.004031200 0.1640.0027注:括號內(nèi)數(shù)值為帶定位器允許壓差。外形尺寸公稱通徑DN結(jié)構(gòu)長度(標準值)外形尺寸( 參考值)連接尺寸(標準值)LHD643HPN0.6MPaPN1.0MPa毫米英寸短長H2A2B2DD1Z-dDD2Z-d502108150100625245721401104--141651254--186521/2112170115625245721601304--141851454--18803114180120645245721901504--182001608-181004127190130675355922101704--182201808-181255140200150715355922402008-182502108-181506140210170800355922652258-182852408-2220081522302008502501703202808-183402958-222501016525023592525017037533512-1839535012-2230012178270300103545022044039512-2244540012-2235014190290325107045022049044516-2250546016-2240016216310355119045022054049516-2256551516-2645018222330390125065028059555020-2261556520-2650020229350420129065028064560020-2667062020-2660024267390490145585038075570524--2678072520-3070028292430550158585038086081024--3089584024--30800323184706401700125038097592024--30101595024--3390036330510710186512503801075102024--301115105028-33100040410550770201515005801175112028--301230116028-36120048470630890222615005801405134032-331450138, , , 032-39訂貨須知訂貨時請?zhí)顚憽兑?guī)格書》或注明以下內(nèi)容:①產(chǎn)品型號②公稱通徑DN,額定流量系數(shù)Kv③信號壓力,彈簧范圍④流量特性⑤閥前、后壓力⑥流體介質(zhì)種類⑦介質(zhì)工作溫度范圍⑧閥體、閥板的材質(zhì)⑨是否帶手輪機構(gòu)及定位器說明型號⑩是否有其它特殊要求