bids are invited for valve, check, wafer type swing, dn 150 valve,check,wafer type swing,dn 150 swing type check valve, mccb with thermal magnetic microprocessor based trip unit, swing check type reflux valves for water works purposes (single door pattern) (v2) as per is 5312 (part1), swing check type reflux (non- return] valves for water work purpose - is 5312, hydrants (landing valve type a) (png), globe valve as per is 778, diaphragm type valves for general purpose - is 11791, general purpose lead - acid batteries (valve regulated types) prismatic design as per is 16220 (part 1), stationary cells and batteries, lead acid type (with tubular positive plates) as per is 1651, water fittings - copper alloy float valves (horizontal plunger type) as per is: 1703 relevant swing type check valve total quantity : 3