Tender For procurement of spares of fly ash system for unit no. 1 to 4 ph i and ii, sgtps, mppgcl, birsinghpur. - diffuser mounting plenum assembly for nuva diffuser feeder 12x10, seat for nuva diffuser feeder 12x10, disc for nuva feeder diffuser feeder 12x10, inside lever for 12x10 nuva diffuser feeder, shaft with key for nuva diffuser feeder 12x10, 25 nb diaphragm operated pressure valve 2 way model no. kpl/25d of eastern pneumatics, 40 nb diaphragm operated pressure valve 2 way model no. kpl/40d of eastern pneumatics, diaphragm assembly set with spring for 25 nb dia diaphragm valve , diaphragm assembly set with spring for 40 nb dia diaphragm valve , pneumatic cylinder size 6" bore x 7" stroke assembly, body fluidizer(fluidizing pad) 4 wide 48 long with imported ss element & ms bolt for nuva diffuser feeder, adjustable compression spring for disc of nuva feeder diffuser feeder 12x10, spares for 18 swing gate v/v of transfer hopper, shaft with key for transfer hopper, seat & disc for 18 transfer hopper valve assembly , pivot ball assembly of transfer hopper, outside lever , inside lever, supporting (reinforcement) disc, gun metal nrv 25 mm, body casing for 18 swing gate v/v, pneumatic cylinder size 4" bore x 6-3/8" stroke assembly, bearing housing (support plate) with oil seal for 18 swing gate v/v of transfer hopper, s.s. stud bolt 12x50 with double nut, s.s. stud bolt 12x75 with double nut, spares for 2.5, 2 way vent valve, two way vent valve complete assembly, valve seat for two way vent valve, valve disc for two way vent valve, shaft with key for 2 way vent valve, 2.5 vent v/v inside lever, roll pin for 2 way vent valve., pneumatic cylinder size 2.5" bore x 4" stroke assembly, body casing, flow regulator (size-1/4) for pneumatic cylinder (2.5x4")