supply of miscellaneous spares for air pressure monitoring system , shaft seal cooling system , glop , thrust plant , opu and hps system of machines of power house , thrust plant motor as per technical specifications . , opu oil circulation motor as per technical specifications . , hps motor as per technical specifications . , radial piston pump as per technical specifications . , single vane pump ( thrust bearing oil circulating pump ) as per technical specifications . , ball valve 1/2 inch as per technical specifications , isolating valve , 1/2 inch as per technical specifications . , line filter ( air system ) as per technical specifications . , pressure gauge ( air system ) 0-70 bar as per technical specifications , non return valve ( air system ) as per technical specifications . , minimesh hose with coupling ( air system ) as per technical specifications . , throttle valve ( air system ) as per technical specifications , pressure switch ( air system ) , 4 . 8-82 bar as per technical specifications . , pressure switch ( air system ) , 7-70 bar as per technical specifications . , electronic pr . transducer cum switch with display ( air system ) as per technical specifications , pressure reducing valve ( ssp ) , 40 nb as per technical specifications . , pressure gauge ( ssp ) as per technical specifications . , pressure reducing valve ( ssp ) as per technical specifications . , pr . boosting reservoir with charging kit & pr . gauge . ( ssp ) as per technical specifications . , oil filter ( glop ) as per technical specifications . , oil filter ( thrust plant ) as per technical specifications .