supply of spares for unit i, ii and iii airpreheaters model 27 vit m 2000 , supply of spares for unit i, ii & iii airpreheaters model: 27 vit m 2000 , rotor angle hot end & cold end (1 set=1aph= 48 nos (24 he +24 ce) ) , by pass seal fixing angle assembly (hot end & cold end) 1set=1aph = 48 nos (24 he +24 ce))carbon steel , diaphgram plate pl 6x2537x3698 for aph sector 1 set=1aph=24 nos (carbon steel) , bracing pipe for hot end and cold end , t bar tab (hot end & cold end) (1 set=1 aph= 48 nos (24 he + , aluminium seal ring assembly upper , aluminium seal ring assembly lower , aph hot end spool assembly with spool seal ring , taper lock bush and adopter