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雙法蘭蝶閥double flanged butterfly valve 該閥門(mén)適用于化工,石油,機(jī)械等行業(yè)。 The valve is suitable for chemical, petroleum, machinery and other industries. 特點(diǎn)(characteristic): 結(jié)構(gòu)簡(jiǎn)單,維修方便,阻力小,操作簡(jiǎn)單,密封性能好,耐腐蝕,耐高溫,使用壽命長(zhǎng),易安裝,安裝時(shí)不受介質(zhì)的流向限制。 Simple structure, convenient maintenance, small resistance, simple operation, good sealing performance, corrosion resistance, high temperature resistant, long service life, easy installation, installation is not affected by medium flow restrictions. 法蘭能適用GB,DIN,JIS多個(gè)標(biāo)準(zhǔn)的管道連接,適用的介質(zhì)有水,蒸汽,粉體。 More than flange can apply to GB, DIN, JIS standard pipe connection, the applicable medium is water, steam, powder. 工作原理和結(jié)構(gòu)說(shuō)明(The working principle and structure): 本閥門(mén)主要由閥體,閥板,閥座,閥桿等零件組成。 This valve is mainly composed of body, disc, valve seat, valve stem and other parts. 本閥門(mén)依靠氣動(dòng)執(zhí)行器,轉(zhuǎn)動(dòng)閥桿,使閥桿帶動(dòng)閥板在介質(zhì)里作旋轉(zhuǎn)動(dòng)作,達(dá)到調(diào)節(jié)流速的目的。 This depend on the pneumatic valve actuator, turn the valve stem, the stem drive disc spins in the medium, to achieve the purpose of adjusting flow rate.
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