Shell Diala is a well-known brand of transformer oils produced by Shell, one of the world’s largest oil and gas companies. Transformer oils, including those in the Diala series, are specially designed insulating oils used in electrical transformers and other high-voltage electrical equipment to provide insulation and cooling.

The Shell Diala range includes various types of transformer oils tailored to different applications and specifications, such as Diala S2 ZX-A, Diala S4 ZX-Igt, and others. The specific product you need may depend on the requirements of your electrical equipment and the environmental conditions in which it operates.