procurement of spares of coltcs pump and ro high pressure pump assembly procurement of spares of coltcs pump and ro high pressure pump assemblyfor ntpc gadarwara and kudgi , tpp 80 / 250m:casing cover , tpp 80 / 250m:casing wear ring , tpp 80 / 250m:impeller , tpp 80 / 250m:pump shaft , tpp 80 / 250m:bearing bed , tpp 80 / 250m:bearing cap , tpp 80 / 250m:lock nut , tpp 80 / 250m:lock washer , tpp 80 / 250m:impeller lock screw , tpp 80 / 250m:impeller lock washer , tpp 80 / 250m:gasket casing , tpp 80 / 250m:oil seal ( pump ) , tpp 80 / 250m:oil seal ( drive ) , tpp 80 / 250m:gasket ( shaft sleeve ) , tpp 80 / 250m:gasket ( impeller screw ) , tpp 80 / 250m:shaft sleeve , tpp 80 / 250m:constant level oiler , 3ad 10:comp pump assy => limited