Tenders for Supply of Overhauling Kit For Throttle Valve For Pantograph Type Am 12 Comprising 4 Items 8 Nos As Per Sketch No. Bsl/Elw Sk No. 4009 Or Latest. 1 Joint For Valve-3-000354- 2 Nos. 2 Position Ring 3-000356- 2 Nos. 3 Joint 3-00361-2 Nos. 4 Ring Type R No. 7 3-000364- 2 Nos.