procurement of spares for safety valve , high pressure valve and other spares for 1x210mw unit , atps , mppgcl , chachai . ( boiler no . 0371 ) , spares of 1750wb drum safety valve , overlap collar-7005 , lift stop-7000 , disc-7005 , spares of 1740wd sh outlet safety valve , overlap collar-7001 , lift stop-7000 , disc collar-7000 , disc-7001 , guide-7010 , spares of 1786wb rh intlet safety valve , overlap collar-7003 , lift stop-7003 , disc collar-7002 , disc-7003 , spindle-7008 , guide-7003 , spares of 1786wd rh outlet safety valve , overlap collar-7003 , lift stop-7003 , disc collar-7002 , disc-7003 , spindle-7008 , disc holder-7012 , guide-7012 , stud for boiler drum man hole alongwith nut , mh door pin d-63:l300 , punched washer a-33 , is: 2016 , hexnut m30-4 , is:1363 ( p-3 ) , size 3/8 , class-2500 , body rating- f22 , hand operated , end connection socket weld , size 2 . 5 , class-2500 , body rating -a105 , hand operated , end connection butt weld , lance tube for lrsb assembly 7 . 2-30013100 , wall blower opening pull out type tube bendd-63 . 5x5 . 6:1132mm length , retractable soot blower opening cut out type tube bendd-63 . 5x6 . 3: 1132mm length , furnace water wall fin flat 12 . 7x6 , 2 . 5 to 3 mtrs length