Gaseous Fire Suppression Systems Click here for UL certification of SEVO System Novec 1230 Gaseous Fire Suppression Systems... Click here for the FM approval of SIEMENS HFC-227ea (FM-200) Gaseous Fire Suppression Systems... Click here for the UL approval of SIEX HFC-227ea (FM-200) Gaseous Fire Suppression Systems... Click here for the FM approval of SIEX HFC-227ea (FM-200) Gaseous Fire Suppression Systems... Click here for the UL approval of SIEX Argon Gas (IG-01) Fire Suppression Systems... Click here for the UL approval of SIEX Nitrogen Gas (IG-100) Fire Suppression Systems... Click here for the UL approval of SIEX Argon + Nitrogen Gas (IG-55) Fire Suppression Systems... Click here for the UL approval of SIEX Argon + Nitrogen + Carbon Dioxide Gas (IG-541) Fire Suppression Systems...Gases Used in Fire Suppression Systems Click here for the UL certification of DUPONT HFC 227 EA Gas (FM200). Click here for the FM certification of DUPONT HFC 227 EA Gas (FM200). Click here for the UL certification of WAYSMOS HFC 227 EA Gas (FM200). Click here for the UL certification of 3M Novec1230 Gas. Click here for the FM certification of 3M Novec1230 Gas.