bids are invited for safety relief valve for ammonia as per specification safety relief valve for ammonia as per specification copper alloy gate valve for waterworks purpose as per is 778, safety fuse for commercial use as per is 7738, pressure relief devicevalve (prvprd) for oil filled transformer (bhel), safety boots for miners (v3) as per is 3976, safety footwear as per is 15298, resilient seated cart iron air relief valves for water works purposes as per is:14845 (latest), air safety valve (bhel), electrical safety devices and accessories (insulating mats for electrical purposes) as per is 15652, hdpe life boat for rescue (14 seater) as per (gsdrf) specification, charge fire ext mech foam 9 l for high altitude and sub zero temp conditions (defence) relevant safety relief valves- spring loaded mse total quantity : 4