procurement of asco solenoid valves and spares for stage 1, stage 2 procurement of asco solenoid valves and spares for stage 1, stage 2, stage 3 and offsite areas of ntpc rihand , sol.valve:48vdc / ac, direct actg, no, 3port , air flow regulators:0-10kg / cm2, 1 / 4bsp , pilot operated single coil solenoid valv , solenoid valve cat.no. wphtb56mo, 110vac , timer drain valve-2 / 2way, 240vac, nc type , spare kit for asco make sol valve , timer with coilautomatic drain valve , asco sov bfp r / c v / v nfxb320a172-48565-1 , sol.v / v: 24v, pilot, nc, 5prt, 2coil, 1 / 4npt , sol.v / v: 24v, dirct act, nc, 2 / 2way, 3 / 4bsp , sol valve:asco wpht8321a6ms , spare kit :for sol val , sol.valve: 110 v / dc: 4 way type , spare kit: solvalve:wphtb344b56mo, 240vac , spare kit:pt.no.302-745:for solenoid val , spare coil assembly for sol valve , spare coil:solvalve:wphtb344b56mo, 110vac , asco solemoid value coil value ht8321a6. , single coil solenoid valve, 240v dc , water separator: f901x-04az, 1 / 2npt;asco , rh / shsolenoid for spray valve , solenoid valve :3 / 2 way110vac:asco make , spare kit for asco sol.valve: wpb316a56