Demag Delaval Desoil Services

Gas Turbines Aftermarket

Demag Delaval Desoil Services Company (DDS) was established in 2001 by Desoil International and Alstom Power. The latter company's ownership was transferred to SIEMENS Industrial Turbomachinery in 2004. DDS is now after market and support of Gas Turbine Products in the country.

Field Services

Well trained and experienced certified engineers are providing all necessary support to the installed fleet of our product range. These services are:

  • The supervision or full installation and commissioning of new, overhauled, or replaced equipment
  • Long or short term operation and maintenance service
  • Boro-scope checks, vibration analysis, report and alignment
  • Routine service work type A and B
  • Troubleshooting
  • Core Change


For specialized and low volume repairs, DDS can provide tailored solution to meet individual requirements on specific component. This service offers detailed assessment and components. Cost effective OEM component repair and "Re-Life" are now essential part of repair service.


DDS workshop in Qeshm Free Zone in Iran for repair and overhaul of assemblies and gas turbines with the capacity of less than 15 MW. The overhaul and repair manned by fully trained staff using extensively equipped workshop and as per the OEM standards. All overhauled engines are guaranteed for 8000 hours.

Spare Part

Providing spare parts from OEM for the range of supported gas turbines is one of the main services of DDS. Maintaining spare parts stock in Qeshm free zone can provide prompt delivery to customers' sites.

Service Exchange & Lease

In order to support uninterrupted operation of gas turbines in critical locations and to enhance DDS services we can provide core engine service exchange and lease options to our customers.

Customer Training

As part of the comprehensive portfolio of customer service activities, customer trainings for all range of our products are provided. The training can be tailored and presented in DDS Qeshm training center or simulation modules inside or outside of the country.


DDS is service center for Gas Turbines range: TA, TB, TD, Typhone, Tornado, Tempest, Cyclone, EAS1, EM85, EM610, L51, RLM2500. In addition to the certificates received ISO 9001:2008 and OHSAS 18001:2007 standards.