supply and delivery of misc mechanical items for different rli schemes under kalna(a-m) sub-division under burdwan (agri-mech) division under non plan in the district of purba bardhaman for the f.y. 2025-2026. , 150 mm dia. m.s heavy duty hose clamp 2.0 mm thick, 50 mm width fitted with ms nuts & bolts (2 sets). parent material should conform to grade b of is: 2062/1999. two coat of black japan (type-b) conforming to is: 341/1973. , 150 mm dia. c.i tail piece one end flanged and other end grooved, overall length (175+/-15) mm with 7 nos. groove conforming to is 1538/1993 (table -5 & 6). material shall be cast iron conforming to grade fg 150/200 of is 210. two coat of black japan (type-b) conforming to is: 341/1973. , isi marked 150 mm nominal dia. carbon steel plate flange (22 mm flange thickness with raised face) conforming to is: 6392:1971 (table-17). two coat of black japan (type-b) conforming to is: 341/1973. , 150 mm dia. c.i. foot valve leather washer as per is: 1015/2000 or is: 1273/1989 (thickness 6.0 mm). , 5/8”x3’’ nut bolt. m.s. 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 nuts properties/class for bolt-4.6 & for nut-4.5. isi marked.make: bossard/tata /tvs or other reputed make. , 150 mm dia. c.i. foot valve strainer (c.i).as per sample.