supply of bottom ash sea water pipe fittings and valves for unit-iii bah , supply of bottom ash sea water pipe fittings and valves for unit-iii bah material: ss 316 gr (item: 1 to 7) item 1 to 4 pipe: od-168.3mm, id-146.3mm,thickness-11mm 150nb spool piece with two flanges. length - 4500mm, pipe thick - 11.0mm flange od - 320mm, id - 174, thick - 19mm, pcd - 270mm, no. of holes - 12, hole dia - 20mm , 150nb spool piece with two flanges. length - 2500mm, pipe thick - 11.0mm flange od - 320mm, id - 174, thick - 19mm, pcd - 270mm, no. of holes - 12, hole dia - 20mm , 150nb spool piece with two flanges. length - 5840mm, pipe thick - 11.0mm flange od - 320mm, id - 174, thick - 19mm, pcd - 270mm, no. of holes - 12, hole dia - 20mm , 150nb spool piece with two flanges. length - 2200mm, pipe thick - 11.0mm flange od – 168.3mm, id – 146.3, thick - 11mm, pcd - 270mm, no. of holes - 12, hole dia - 20mm , un equal tee of size 150/100nb with flanges. a. pipe 150nb, length-5840mm, thick-11 mm b. 150 flange od - 320mm, id - 174, thick - 19mm, pcd - 270mm, no. of holes - 12, hole dia - 20mm c. pipe 100nb, length - 300mm, thick - 8.56mm d. 100nb flange od: 230mm, id: 118mm, thick: 19mm, pcd:190.5mm, no.of holes: 8, hole dia: 19mm , 150nb equal tee with flanges. length - 3600/200mm, pipe thick - 11.0mm flange od - 320mm, id - 174, thick - 19mm, pcd - 270mm, no. of holes - 12, hole dia - 20mm , bend 150nb mean length 360mm, thick - 11.0mm with two flange. flange od - 320mm, id - 174, thick - 19mm, pcd - 270mm, no. of holes - 12, hole dia - 20mm , 150 nb size hand operated gate valve as per technical specification.