procurement of various valves for track machine.,solenoid valve as per plasser part no:90381 substitute 90248 or sunparts no. 7500244, make - plasser , sunparts ] dy.ce/cpoh/tm/rayanapadu, andhra pradesh 37.00 numbers , solenoid valve as per plasser part no:90382 substitute 90249 or sunparts no. 750024 6, make: plasser, sunparts ] , over flow valve as per plasser part no 90246-a and sub part no. 90246 (3.5bar) or sunp arts no. 7500243 or knorr-bremse part no. dr 4151 , make - plasser, sunparts, knorr-bremse ] , valve as per plasser part no.90362 and knorr-bremse part no. i58862 or i15557 or i1715 4, make: plasser,duncan, knorr-bremse ] , pneumatic cylinder oem:pl part no:pn2z-g.70/20/300 make:plasser , schrader ]