Transformer's Tanks & Fittings

The tanks are fabricated from MS plates and is weldwd construction. They are tested at a pressure of 0.35 Kg./Sq. cm. for oil leakage output and they are normally welded directly to the tank. How ever, transformers, can be supplied with detachable radiators. Normally for rating 2000 KVA and above. The oil used for first filling transformers to Is Specificatio 335-1984 "New insulating oils for transformers and switchgears.