Welcome to lyontech engineering Leaders In Fire And Safety Systems, Cylinder Refilling, Refurbishing, Gas Purification, Reclaiming Of Our Customers Gas, And Specialising In The Supply And Decommissioning Of Halons, HFC227ea (FM200), FK5-1-12 (Novec 1230), HFC125 (FE25), CO2, IG100 (Nitrogen),IG01 (Argon), IG55 (Argonite), IG541 (Inergen) & Watermist.