procurement of valves etc., for track machine.,variable displacement pump as per plasser part no. hy718x125l/hdda/35a/150/1221, s ub part no. hy718x125l/hd3da/35a/150/1221 and bosch - rexroth partnno. a4vg125hd3d1/32l-nzf02 f021s (r902193125), make- plasser, bosch-rexroth ] , variable displacement pump as per plasser part no. hy720x175l/ep4/38a and bosch-re xroth part no. a4vg175ep4dp0t0/40mlne4a21f0000as00-s, make- plasser, bosch-rexroth. ] , hydraulic pump as per phooltas part no. d09pmp030600 and bosch-rexroth part no. a17f0 045/10nlwk0e81-0, make : phooltas, bosch-rexroth ] , hyd valve as per plasser part no. hy6rsg-b (r900561282) and bosch-rexroth part no. 4w e6g6x/eg24n9k4 and veljan-dension part no. 4d01-3207-0302-b1-goq-51 , make: plasser, bosch-rexrot h, veljan-denision. ] , valve as per plasser part no. 62.05.1000.380-a and rexroth part no. h-4weh25-h6x/6ag2 4nk4b08, make -plasser, bosch -rexroth. ] , pressure relief valve as per plasser part no. 62.05.1000.138 and sub hy511.20/100bar and rexroth no. dbds30k10/100 or dbds30k1x/100, make - plasser, bosch-rexroth. ] , hydraulic valve as per plasser part no.62.05.3000.710 (r 901425634)and sub part no. hy6z2db-vc2/2000 and rexroth part no. z2db6vc2-4x/200v, make- plasser, bosch-rexroth. ] , hyd valve as per plasser part no. hy16rsd-b (r901218990) and bosch-rexroth part no. 4 weh16d7x/6eg24nk4/b10, make- plasser, bosch-rexroth. ] , hydraulic stop cock as per plasser part no. hy152.01h or hy152.01 or hy152.01p and s ub :62.05.3000.80, make-plasser, bosch-rexroth. ] , emergency valve as per plasser part no. hy511.47 and bosch-rexroth part no. dz6dp2- 5x/315ym-s0128, make- plasser, bosch-rexroth ] , hydraulic valve as per plasser part no. hy-56r/350-g (r901357927) and bosch- rexroth pa rt no. db 15 g2-44=350x/5w65=pl, make- plasser, bosch-rexroth. ]