Tender For supply of copper alloy gate valve for waterworks purpose as per is 778 (q3) , steel tubes, tubulars and other steel fittings as per is 1239 (part 2 - steel pipe fittings) (q3) , water fittings - copper alloy float valves (horizontal plunger type) as per is: 1703 (q4) , m - seal as per is 9197 (q3) , non sparking hacksaw blade or frame-is:4595 (q3)