procurement of spares of the burgmann make mechanical seals installed in boiler feed pump , booster pumps and condensate extraction pumps in unit no . 1 and 2 of 2x600mw unit at sstpp , mppgcl , khandwa , spares of mech . seal ( de ) of booster pump ( model fa1b75 ) , seal ring , set of spring , set of soc set screws , mating ring sic , set of soc set screws ss316 , set of viton o-ring , gland assy ( bronz+ss ) , pumping ring ss316 , seal ring assy , sleeve , spares of mech . seal ( nde ) of booster pump ( model fa1b75 ) , seal ring , set of spring , set of soc set screws , mating ring sic , set of soc set screws ss316 , set of viton o-ring , gland assy ( bronz+ss ) , pumping ring ss316 , seal ring assy , sleeve , spares of mech . seal ( nde ) of boiler feed pump ( model fk4e36 ) , seal face buko 003+1 . 4122 , set of spring in 1 . 4571 , seat ( buka20 ) , set of pins and set screws , set of viton o-ring & teflon , gland plate cover in 1 . 4571 , seal ring assy , sleeve , spares of mech . seal for condensate extraction pump ( model en6j40/500 ) , seal face in buko , thrust ring , set of viton o-ring & teflon , set of spring in 1 . 4571 , set screw in 1 . 4401 , seat in buka 20 , set of spring sleeve in 1 . 4401 , set screw in 1 . 4401 , gland plate cover , seal ring assy , sleeve