procurement of different mechanical fittings for oh of unit 5 in 2021 under ahp ( mm ) dept . , stps . -2 socket, ms, 1 3 socket, ms, 1 / 2 4 socket, ms, 3 / 4 5 nipple ms-40 nb 6 elbow, ms, 25nb size, both side thread $for water nline application 7 elbow, ms, 40nb size, both side thread $for water nline application 8 union joint, ms, 25nb size $for water line napplication 9 elbow, ms, 20nb size, both side thread $for water nline application 10 union joint, ms, 15nb size $for water line napplication 11 union joint, ms, 20 nb size $for water line napplication 12 elbow, ms, 15nb size, both side thread $for water nline application 13 union joint, ms, 40nb size $for water line napplication 14 union joint, ms, 50nb size $for water line napplication 15 nipple ms-15 nb 16 nipple ms-25 nb 17 nipple ms-20 nb 18 elbow, ms, 50nb size, both side thread $for water nline application 19 bend 80nb x90 deg, thk-9.5mm, ms for fly ash system n# nadditional data: nas per is 1239 20 bend 100nb x90 deg ( fly ash system ) , ms additional data: nas per is 1239 21 socket m.s 50 mm nboth ends inside thread. 22 socket ms 40 mm both ends inside thread 23 nipple, 50 nb 0.5 ft length none side threaded 24 plug, 1 # 25 plug, 40mm # 26 plug, 50mm # 27 plug, threaded for 15 nb socket 28 plug, 80mm # 29 plug, 65mm # 30 ms equal tee, 15 nb # 31 tee, gi tee 25×25×25mm nb 32 tee, gi tee 40?40?25mm nb # 33 ms equal tee, 20 nb # 34 union, gi, 65 mm, 2 and 1 / 2 inch for pump sgtpp nthreaded ends bsp 35 bend, ms, 150mm x 150mm x 90deg n additional data: as per is 1239 36 pipe bend ( short ) , 50nb, 90 deg for ahp bktpp nmoc: ms is:1239, heavy grade, without flange 37 bend, ms, 200 mm x 200 mm x 90 deg nfor ash water line nadditional data: nas per is 3589