LPG Regulators & Valves: LPG Households Reliability and safety are essential for any kind of residential application, especially when using LPG and Natural Gas. For over three generations the Cavagna Group has been designing, manufacturing and marketing products and solutions for the control of LPG and Natural Gas. Our wide range of LPG tank and natural gas regulating equipment, not only comply to the strictest world standards, but their renown quality make it first choice among customers worldwide.