Repair and Refurbishment

Repair and refurbishing are essential services in order to keep the equipment in good working order and maintain its health. In the course of operation, a variety of components become worn out or damaged, which must be repaired and re-used. Throughout the restoration process, NDPS undertakes thorough quality inspections.

NDPS possesses unparalleled technical expertise in the field of repair and refurbishing.
We have a track record of successfully performing repairs and refurbishments using state-of-the-art techniques and technology. Each year, we invest a large portion of our budget in research and development to ensure that our services continue to improve.

We offer repair and refurbishment services for steam turbines, generators, compressors, heat exchangers and so on.

Steam Turbines:

Repair and Refurbishment services for turbine rotors and diaphragms.
Servicing guide blade carriers such as re-blading, removing/replacing interstage fins and dynamic balancing of rotors.
Refurbishing services for damaged journals of steam turbine rotors.
Rated speed balancing of turbine rotors.
Repair and replacing gland fins.
Re-babbiting and machining service for journal bearings and thrust pads.
Refurbishing of Feedwater heaters.
NDT and RLA Studies.


A range of electrical tests to inspect the performance of insulation of stator and rotor.
Rectification of insulation of stator and rotor coils.

Compressors, Blowers and Pumps:

Repair and refurbishment services for rotors and diaphragms.
Replacement of seal rings, impellers, shafts, dynamic balancing, etc.
NDT and RLA Studies.

Heat Exchangers:

Removal and re-tubing services such hydro test as per IBR

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