Repair And Overhauling Service - Filtration Of Transformer Oil As Per Scope Of Work Transformer Primary Voltage Is 11Kv And Secondary Voltage Is 33 Kv Or 433 V Rating Of Transformer Varies From 400 Kva To 750 Kva; As Per Scope Of Work; No; Buyer Prem.. Repair And Overhauling Service - Filtration Of Transformer Oil As Per Scope Of Work Transformer Primary Voltage Is 11Kv And Secondary Voltage Is 33 Kv Or 433 V Rating Of Transformer Varies From 751 Kva To 1050 Kva; As Per Scope Of Work; No; Buyer Pre.. Repair And Overhauling Service - Filtration Of Transformer Oil As Per Scope Of Work Transformer Primary Voltage Is 11Kv And Secondary Voltage Is 33 Kv Or 433 V Rating Of Transformer Varies From 1051 Kva To 1600 Kva; As Per Scope Of Work; No; Buyer Pr.. Repair And Overhauling Service - Supply And Labour Charge For Replacement Of All Old Rubberized Cork Sheets Oil Seals Gaskets To Arrest The Oil Leakage From Transformer Cooling Fins Bucholz Relay Butterfly Valves Breather Explosion Vent Wti Oti Etc O..