bids are invited for srv for hph-6a6b set pr. 57atg(shell) gemarpts searched safety relief valve strings used in gemarpts safety relief valves- spring loaded, pressure and vacuum relief valve, pressure safety valve, air safety valve (bhel), personal safety kit reflective luminous garments, pressure gemarpts searched relief devicevalve (prvprd) for oil filled transformer (bhel), portable fire extinguishers (v2) as per is result generated in gemarpts 15683:2018, handloom blanket - relief, safety footwear as per is 15298, resilient seated cast iron air relief valves for water works purposes relevant pressure and vacuum relief valve categories selected for notification total quantity : 1