tender for supply of boiler spares--1 actuator of motorized valve for start-up vent valve iq-3-35, rpm-48, inching & on-off type torque-474 nm, make- rotork 2 travelling grate stoker chain same as existing, make- sitson 3 travelling grate stoker runner same as existing, make- sitson 4 rotory soot blower with r / g box & motor complete in all respect, make- sitson 5 long retractable soot blower with r / g box & motor complete in all respect rack & pinion box type, make- sitson 6 travelling grate bar, make- sitson 7 reduction gear box ratio – 63.2: 1 output speed- 23 rpm, input power – 0.75kw / 1h.p / 1440 rpm, make top gear transmission 8 lock bush for travelling grate, sitson 9 m. s. washer i.d- 17mm, o. d- 30mm, thk- 3mm, sitson 10 link pin for travelling grate chain, sitson