Tank
Transformer tanks must have the necessary mechanical strength and shall be designed to allow the complete transformer to be lifted by crane and transported without overstraining any joints or causing distortion. The tank cover shall be fitted with an adequate number of fixing points suitable for attaching lifting equipment.
The reinforcing of the transformer tank bottom shall not prevent draining of all oil from the tank.
The transformer tank shall be designed to avoid pockets wherein gas may collect. The tank with its sealed cover is capable to withstand over -pressure of 0.3 Bar All the tank sides shall be corrugated suitable for hermetically sealed type .
The transformer shall have a filling valve, oil level indication, thermometer pocket and
a drain plug .The drain plug shall be so designed that the transformer can be completely drained.
