雙法蘭蝶閥double flanged butterfly valve 該閥門適用于化工,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)簡單,維修方便,阻力小,操作簡單,密封性能好,耐腐蝕,耐高溫,使用壽命長,易安裝,安裝時不受介質(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)說明(The working principle and structure): 本閥門主要由閥體,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. 本閥門依靠氣動執(zhí)行器,轉(zhuǎn)動閥桿,使閥桿帶動閥板在介質(zhì)里作旋轉(zhuǎn)動作,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. | 主要零件名稱the major parts name | 材質(zhì)materials | | 閥體valve body | 不銹鋼stainless steel | | 閥座valve seat | 丁晴橡膠 Nitrile butadiene rubber | | 閥板Valve plate | 不銹鋼stainless steel | | 支架stent | 不銹鋼stainless steel | | 軸承套bearing sleeve | 聚四氟乙烯teflon | | 設(shè)計(jì)標(biāo)準(zhǔn)design criteria | GB/T 12238 | | 結(jié)構(gòu)長度length of the structure | GB/T 12221 | | 閥門試驗(yàn)valve test | JB/T 9092 | | 法蘭連接適用于 suitable for flange connection | GB,DIN,JIS | | 執(zhí)行器actuator | 氣動執(zhí)行器pneumatic actuators | | 連接方式the connection method | 法蘭或?qū)Aflange or Butt Clamp | |