procurement of critical and recommended spares of driplex make cpu services vessels installed in unit no. 1 and 2 at 2x600mw, at sstpp, mppgcl, dongalia , spares for cpu (condensate polishing unit) service vessels make: driplex water engg., item no. r2a job no. d-318, insp. by- lra/bhel design pressure- 41 ksc, test pressure-62 ksc design temp. - 65 deg cent. heat treatment – sr of vessel, x-ray- 100% codes- asme sec.viii, div. 1 eqpt. -cpu service vessel , bed plate strainer(moc-ss) , sight glass for service vessel , resin trap element for cpu service vessel , sight glass for resin transfer line , ejector for resin transfer hopper