Tenders for Supply of Spares Of Valve Mg4/5A Of Air Motor Of Bt Make Tapchanger N.32. Hence The Item Is To Be Procured From Approved Source Of Valve Mg4/5A Of Tap Changer. The Approved Sources Of Valve Mg4/5A Are As Per U-Vam, Clw Item Id #2101151. Warranty Period: 30 Months After The Date Of Deli Very