bids are invited for swing check valve 80nb , swing check valve 100nb gemarpts searched swing check valve 100nb strings used in gemarpts swing type check valve, check valve(api 594), swing check type reflux valves for water works purposes (single door pattern) (v2) as per is 5312 (part1), check valve (v2) as per is 778, swing check type reflux (non-return] valves for water work purpose - is 5312, stationary valve gemarpts searched regulated lead acid batteries (v2) as per is 15549, result generated in gemarpts industrial check valves-is:11733, gate, globe and check valves for water work purposes-is:778, copper alloy gate valve for waterworks purpose as per is 778, sluice valve for water works purposes (50 to 1200 mm size) (v2) as per is 14846 relevant swing type check valve categories selected for notification total quantity : 6