Since 1949, Cavagna Group has supplied the worldwide gas Industry with products of superior quality such as Valves, Regulators and Filling Head for Refrigerant Gases: single and double phase diaphagm valve for refrigerant and inert gases, Y valve, O-ring valve, High Flow valve, Pressure Relief Valve, Y valve for CO2, Valve for HN3, Nitrogen regulator, Filling heads.