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All tanks are made from mild steel, which is electrically welded. The design of the tank is such that the base & cover thickness is related to the size & weight of the finished product. The core & coil are fixed to the tank in such a way that the no damage will cause during transportation, loading & unloading. All tanks are oil pressure tested to a pressure of 0.4At plus the weight of oil contained.
The interior of the tank is painted with oil & heat resistant paints. Zinc chromate red oxide primer is applied to the exterior, before applying two coats of weather proof out door type synthetic enamel paint of shade IS: 631. Transformer tank & all other fabricated items are thoroughly cleaned before painting. |
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