tender for supply of 200 nb ss316gr sch 80 pipes and fittings for psf tank a, b & c (pressurized sand filter) (sea water) inlet, outlet & back wash in unit iv & v ash water pump house , supply of 200 nb ss316gr sch 80 pipes and fittings for psf tank a, b & c (pressurized sand filter) (sea water) inlet, outlet & back wash in unit iv & v ash water pump house 200nb spool piece with both end, flanges length 2000mm. material ss 316 gr, pipe thickness : sch 80, flange thickness : 20mm , 200nb spool piece with both side flanges length 5900mm. material ss 316 gr, pipe thickness : sch 80, flange thickness : 20mm , 200nb spool piece with length of 2600mm, pipe thick : sch 80 with two flanges, flange thick : 20mm, material ss 316 gr. , 200nb spool piece with length of 3350mm, pipe thick : sch 80 with two flanges, flange thick : 20mm, material ss 316 gr.