本公司生産的系列氣動活塞切斷閥是(shì)屬于(yú)組合儀表中(zhōng)的執行(háng) 單(dān)元。它(tā)接(jiē)收來自調(diào)節儀表的信号，控制工藝管道内流體的(de)切斷 與接通(tōng)。該系列閥具有設(shè)計新穎，流阻(zǔ)小(xiǎo)、額定流量系數大、用 壓差大、密封性能好等優點。因而(ér)本(běn)産品廣泛應用于石油、化(huà)工、 冶金、電力、輕紡等工業部門的生産過程自動控(kòng)制與遠程控制系 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.