Services and Support

APT an ISO 9001:2015, EMS: ISO 14001:2015& OHSAS 45001:2018 certified, independent field service provider, offering New installation, Maintenance, Repairs, Overhauls and upgrades of all Rotating equipment. Were experts in scheduled maintenance, forced outages, and emergency repairs with our fully equipped service team, servicing all Rotating equipment including Turbines, Generators, Gas turbines, Motors etc., for all OEMs across India and abroad resulting in repeat business and positive customer feedback.

APT power plant service experts work in close cooperation with customers to improve the safety, performance, stability, availability and efficiency of power generation equipment. APT is well-positioned to offer full support to the customer needs. Our aim is to give the customer the best experience by providing a quick response on a 24/7 basis. Our service team consists of dedicated and experienced Engineers, Technicians, Welders, Machinists and Mechanics offering total service and repair capabilities.

Services provided by APT

  •  Erection & Commissioning
  •  Overhauling /Troubleshooting
  •  OEM Service Support
  •  Refurbishment and reconditioning


  •  Rewinding of stator and Rotor
  •  Conditioning Assessment
  •  O & M

Condition Assessment

Backed with comprehensive technical strengths as a solution provider, APT had been for the past 2 decades undertaking Condition Assessment of Biomass, Co-generation, Captive and Combined Cycle Power Plants.

APT has conducted a condition assessment study for Turbine, Generator, Boiler and Auxiliaries for various projects.

Assessment and inspection are conducted for the following parts:

  • Main casing
  • Rotor
  • Stator winding
  • Stator core
  • Support system
  • Stator casing
  • Rotor
  • Slip rings and accessories
  • Forging
  • Retaining ring and securing nuts
  • Fan

List of Tests/ Inspections

  • V. I Visual Inspection
  • U.T Ultrasonic Testing
  • M.P.I. Magnetic Particle Testing
  • L.P. Liquid Penetrate Test
  • D.M. Dimensional Measurement
  • D.M. Dimensional Measurement