Refurbishing
Refurbishing of GEC-Parson, Unit I make 1,5 MW turbine assembly.
- Manufacture of new wheel disc for row nos. 2, 3 & 4 of HP part of rotor.
- Re-engineering & manufacture of new blades for row nos. 2, 3 & 4 from special blade material x22CrMoV121.
- Installation of new blades & locking.
- Dynamic balancing of turbine rotor as per ISO 1940, grade 1,0.
- Replacement of nozzle segments of 3 rows of diaphragms.
- Manufacture of inter-stage glands, oil seals etc.
- Re-babitting & finish machining of bearings of grade IS:25, grade 84.
- Re-assembly & commissioning of turbo-alternator.