Quick Exhaust Valve, Part No. 909010007700, Drawing No. Xg353A041V Tpl2238 3 For Wbl 22.03 Pantograph Make : M/S. Schunk Carbon Technology India Private Limited. As Per Drg.No. Drawing No. Xg353A041V Tpl22383 For Wbl 22.03 [ Warranty Period: 30 Months After The Date Of Delivery ] ]