supply of miscellaneous materials for maintenance of rli schemes under karimpur (a-m) sub-division, under krishnagar (a-m) division-- 1 150mm dia c.i. nipple/ tail piece (with flange adopter)x one side grooved and other end flanged. overall length (175 +/-15) mm with 8 nos drilled holes in the flange side and 7/5 nos. grooves on the other side, with 3 coat anticorrosive paint on outer surface 2 150 mm dia c.i. nipple/ tail piece both end grooved, withnos. grooves in each side, withcoat anti-corrosive paint on outer surface 3 ball bearing 6307 4 ball bearing 6209 5 c.i. foot valves 150 mm nominal size, flanged end & swingtype as per is: 4038/ 1986 with latest amendments, duly isi marked heavy duty weight-25 kgs approx. as per sample 6 cast iron impeller made from grey cast iron conforming to is 210/ 1978 & grade f-200 matching with 150 mm x 150 mm dia centrifugal water pump (venus ) as per sample 7 iron star coupling as per sample