tender for supply of ss 316 gr 250 nb pipes and fittings for unit iv ash water pump suction and discharge , supply of ss 316 gr 250 nb pipes and fittings for unit iv ash water pump suction and discharge with all dimensions and material as per drawing enclosed. 250 nb ss 316 gr spool piece length of 1860 mm with 2 flanges. pipe od : 274mm, length : 1860 mm, thick : sch 80, flange thick : 25mm. , 250 nb ss 316 gr spool piece length of 1570 mm with 2 flanges. pipe od : 274mm, length : 1570 mm, thick : sch 80, flange thick : 25mm. , 250 nb ss 316 gr 900 bend mean length of 960 mm with 2 flanges. pipe od : 274mm, length : 960 mm, thick : sch 80, flange thick : 25mm. , 250 nb ss 316 gr 900 bend mean length of 1200 mm with 2 flanges. pipe od : 274mm, length : 1200 mm, thick : sch 80, flange thick : 25mm. , 250 nb ss 316 gr 900 bend mean length of 850 mm with 2 flanges. pipe od : 274mm, length : 850 mm, thick : sch 80, flange thick : 25mm. , 250 nb ss 316 gr 900 bend mean length of 1180 mm with 2 flanges. pipe od : 274mm, length : 1180 mm, thick : sch 80, flange thick : 25mm. , 250 nb ss 316 gr 900 bend mean length of 900 mm with 2 flanges. pipe od : 274mm, length : 900 mm, thick : sch 80, flange thick : 25mm.