本公(gōng)司(sī)生産的(de)系列氣動活塞切斷閥是屬于(yú)組合(hé)儀(yí)表(biǎo)中的(de)執行 單(dān)元(yuán)。它接(jiē)收來自(zì)調節儀表的信号，控制工藝管道内流(liú)體的切(qiē)斷(duàn) 與接(jiē)通。該系列閥具(jù)有設(shè)計(jì)新穎，流(liú)阻小(xiǎo)、額(é)定流量(liàng)系數(shù)大、用 壓差(chà)大、密封性能好(hǎo)等優點。因(yīn)而本(běn)産品(pǐn)廣泛應用于石(shí)油、化工、 冶(yě)金、電力、輕(qīng)紡等(děng)工業部(bù)門(mén)的生産過(guò)程自動控制與遠(yuǎn)程控制(zhì)系 統中。 

the series of pneumatic piston cut-off valves produced by the company belong to the execution unit in the combination instrument.the valve receives the signal from the regulating instrument and controls the cut-off and connection of the fluid in the process pipeline.this series of valves have the advantages of novel design， small flow resistance， large rated flow coeff cient， large allowable pressure difference， good sealing performance， etc.therefore， this product is widely used in the automatic control and remotecontrol system of production process of petroleum， chemical industry， metallurgy， electric power， light textile and other industrial sectors.