tender for procurement of spares of mechanical seals of make eagle burgmann for dmcw pumps of unit no. 10 & 11 of ph-iv, stps, sarni for aoh of unit no. 11 & running maintenance of unit no. 10 & 11. , spare for mechanical seal of make eagle burgmann type p11 75 mm c/sic as per drg. no. a08194 dmcw pump model 250/300 bst & 200/250 cst , seal ring- carbon , mating ring- silicon carbide , set of springs (1 set=15 nos.) , o ring mating ring part no. 111.30 , o ring seal ring assy part no. 111.10 , o ring gland part no. 111.05 , o ring sleeve part no. 111.04 , pin anti rotation part no. 250.00 , thrust washer , screw soc set , gland , sleeve , circlip