supply of miscellaneous materials for maintenance of different r.l.i schemes under kalyani (agri-mechanical) division , kalyani,nadia supply of miscellaneous materials for maintenance of different r.l.i schemes. , supply of best quality 150 mm(n.b.) g.i. pipe short pieceas per is-1239(part-1)/2004 with latest amendments (medium duty) thereof duly welded on both sides of pipe on inside and out side with corresponding diameter of m.s. flanges as per is: 6392/71, table-17 with latest amendments thereof. both g.i.pipe & flanges should be isi certification marked. length of g.i. pipe should be 0.75 meter +/- 10mm. , supply of best quality 150 mm(n.b.) g.i. pipe short pieceas per is-1239(part-1)/2004 with latest amendments (medium duty) thereof duly welded on one side of pipe on inside and out side with corresponding diameter of m.s. flanges as per is: 6392/71, table-17 with latest amendments thereof. both g.i. pipe & flanges should be isi certification marked. length of g.i. pipe should be 0.75 meter +/- 10mm. , supply of isi marked sluice valves pressure designation nominal pressure (p.n. 1.6) with hand wheel for water works purpose, c.i. flanged type conforming to is: 14846/2000 with amdt. no. 1&2. components/parts of sluice valves shall be manufactured from basic materials given in table 1 of is: 14846/2000 with amdt. 1 & 2. the valves shall be tested for (closed end test) against hydrostatic test requirement. 150 mm nominal diameter. , supply of best quality 150 mm. dia cast iron foot valve complete flanged end & swing type (single disc) as per is: 4038/1986 with latest amendment, duly isi marked heavy duty. ( 150 mm nominal size)w/t. 28 kg approx + 5% (as per sample provided).