supply and delivery of 150 mm dia c.i. sluice valve and other miscellaneous items for different govt own and operated major rli schemes under assistant engineer(a-m) coochbehar(agri-mech) sub division , supply of 150 mm dia c.i. sluice valve with hand wheel for water works purpose confirming to isi : 14846/2000 with latest ammendments. parts of the valve shall be manufacture from basic materils and the valves should be tested for (closed end test ) against hydrostatic test requirement. , supply & transport of rubber insertion 5 mm thick with proper reinforcement 2 ply conforming to is: 638/79 with isi mark with latest ammendments suitable for raised surface of ms flange as per is: 6392/71 (table-5,11 &17) , 150 mm dia rubber insertion (with hole) , 200 mm dia rubber insertion (with hole) , supply of m.s./g.i hexagonal head bolts & nuts conforming to is : 1363 (part-i)/ 1992 of product grade-c with latest amendments for bolts & is: 1363 (part-3)/ 1992 of product grade-c with latest amendments for nutrs properties / class for bolt - 4,6 & for nut-4.5. , m16 x 65mm nut & bolt , m20 x 100mm nut & bolt , m16 x 50mm nut & bolt , supply of 150 mm dia 650 mm long m.s. short piece made from m.s. pipe as per is-1239(part-1)/2004 medium quality, both end flange welded. flanges are of as per is: 6392/71, table-17. , 150 mm dia heavy duty hose (ms/g.i) clamp fitted with nut & bolt (i.s: 5612/1977 with latest ammendment)