bids are invited for safety relief valve for nspcl rourkela project pressure safety relief valves for nspcl safety relief valves- spring loaded, safety cap for self closing valves of lpg cylinders (v2), pressure relief devicevalve (prvprd) for oil filled transformer (bhel), resilient seated cast iron air relief valves for water works purposes, resilient seated cart iron air relief valves for water works purposes as per is:14845 (latest), copper alloy gate valve for waterworks purpose as per is 778, nylon string used in safety cap for self closing valves of lpg cylinders, pressure safety valve, ss clip used in safety cap for self closing valves of lpg cylinders, pressure and vacuum relief valve relevant pressure safety valve total quantity : 1