本公(gōng)司生産的系列氣動(dòng)活塞(sāi)切斷閥是屬于(yú)組合儀表(biǎo)中的執行 單(dān)元(yuán)。它接(jiē)收來(lái)自調節儀表的信(xìn)号，控制(zhì)工(gōng)藝管道(dào)内流(liú)體的(de)切斷(duàn) 與接(jiē)通。該(gāi)系列閥具有設(shè)計(jì)新(xīn)穎，流(liú)阻小、額定流量系數大(dà)、用 壓差(chà)大、密(mì)封性能好(hǎo)等優點(diǎn)。因而本(běn)産品廣泛(fàn)應用(yòng)于石(shí)油、化(huà)工、 冶(yě)金、電力、輕紡等(děng)工業部門的生(shēng)産過程自(zì)動控制與遠程控制(zhì)系 統(tǒng)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.