Shree-ji Group offers Butterfly Flapped Leak-proof Radiator Valve. Shree-ji Group supplies a wide range of transformers, Copper Bus-Bars and Sections and accessories for power and distribution. The Butterfly Flapped Leak-proof Radiator Valve is used as shut off valve for detachable radiators of oil cooled transformers and is available in a variety of diameter sizes ranging from 50 mm to 200 mm. The Radiator Valve is equipped with a butterfly flap, which can be turned to open and close the valve.