意大利MADAS马达斯FRG/2MC稳压阀天然气/液化石油气减压阀，mod:RG/2mc DN25 P1 max:1bar稳压阀主要型号RG/2MC RC03DN20稳压阀mod:RG/2mc DN40 P1 max:1bar；RG/2MC RC04 DN25燃气稳压阀； RG/2MC RC05 DN32燃气减压阀mod:RG/2mc DN50 P1 max:1bar；燃气稳压阀RG/2MC RC06 DN40；燃烧机前减压阀型号RG/2MC DN50 RC07；天然气调压阀型号RG/2MC DN65 RC08；液化石油气减压阀型号RG/2MC RC09 DN80；瓦斯减压阀型号RG/2MC RC10 DN100；瓦斯稳压阀型号RG/2MC RC 042；瓦斯调压阀型号RG/2MC RC 052；减压阀型号FRG/2MC RC 062稳定减压阀型号FRG/2MC RC 072；减压阀型号FRG/2MC RC 092