procurement of spares of screw conveyors installed in coal sampling units of chp-iv, stps, mppgcl, sarni. , spares for pull type screw conveyor installed in coal sampling unit ( capacity: 10 tph ) for rom coal installed in primary crusher house ( pch ) , feed material: coal, feed size: 95% ( -8 ) mesh & 99% ( -4 ) mesh, total length ( c / c ) : 9.285 mtr, feed to 1st discharge ( c / c ) : 1.455 mtr, 1st to 2nd discharge ( c / c ) : 7.0 mtr, fully enclosed , complete screw set along with screw shaft in assembled condition , head end shaft , tail end shaft , slide gate for screw conveyor , actuator for slide gate , hanger bearing unit with teflon bush , bearing assembly with block , love joy coupling-pin bush type rb-198-10 , spares for pull type screw conveyor installed in coal sampling unit ( capacity: 01 tph ) for crushed coal installed in tp-10 of chp-iv, feed material: coal, feed size: 95% ( -8 ) mesh & 100% ( -4 ) mesh, total length ( c / c ) : 6.27 mtr, feed to 1st discharge ( c / c ) : 2.24 mtr, 1st to 2nd discharge ( c / c ) : 3.2 mtr, fully enclosed , complete screw set along with screw shaft in assembled condition , head end shaft , tail end shaft , slide gate for screw conveyor , actuator for slide gate , hanger bearing unit with teflon bush , bearing assembly with block