bids are invited for pressure reducing valve, cs820, size: 2 pressure reducing valve, cs820, size:2 pressure reducing valve, copper alloy gate valve for waterworks purpose as per is 778, pressure safety valve, pressure and vacuum relief valve, general purpose ball valves (v2), pressure relief devicevalve (prvprd) for oil filled transformer (bhel), sluice valve for water works purposes (50 to 1200 mm size) (v2) as per is 14846, continuous positive airway pressure (cpap) mask, small sized valve regulated lead acid batteries as per is jisc 8702 - 1, cpvc industrial pipe fittings, schedule 80 relevant pressure reducing valve total quantity : 2