Reciprocating compressors

On-site field services

Installation and commissioning

  • Technical assistance during the installation
  • Turnkey contracts for the installation of equipment with the support of compressors OEM.
  • Technical assistance during the commissioning and start-up of the equipment.


On-site expertise and diagnosis

CLEMESSY SERVICES TURBOMACHINES propose missions of specialised engineers to perform operation audits of the equipment in order to determine the condition and the performance of machines or the root cause of an abnormal operation. The main analyses performed during the audits are :

  • Gas characteristics analysis
  • Determination of the performances and efficiency of the machines in real conditions of operation
  • PV diagram for reciprocating compressors.
  • Vibration analysis
  • Oil analysis
  • Predictive, preventive and corrective maintenance on site
  • Multi-annual maintenance contracts

Workshop repair

Overhaul of machines

CLEMESSY SERVICES TURBOMACHINES proposes refurbishment, up grades and repair of many parts of machines :

Reciprocating compressors :

  • Replacement of cylinder liners
  • Repair of valves
  • Coating of piston rods


Auxiliary equipment

  • Lube oil systems
  • Cooling water and lube oil pumps
  • Inspection and calibration of steam turbines and gas engine speed controller
  • Overhaul of gearboxes : (pump, reduction gear, valves…)
  • Reverse engineering components using basic methods, parts’ measurement, 3D scanner
  • Inspection and non destructive test: magnetic inspection, dye penetrant testing, ultrasonic inspection

Complementary services

Maintenance contracts

CLEMESSY SERVICES TURBOMACHINES offer various types of service contracts:

  • Technical support contract
  • Maintenance contract specific to unit shutdowns
  • Multi-annual service contract
  • Multi-annual maintenance contract with best effort obligations

Spare parts

CLEMESSY SERVICES TURBOMACHINES provide spare parts necessary to the overhauls through relationships with most of the compressors OEM.

CLEMESSY SERVICES TURBOMACHINES also manufacture and provide parts such as :

  • Small and complex parts requiring engineering and machining
  • Parts for process valves & safety valves
    • Specific gaskets
    • Specific fasteners

Revalorization of machines

CLEMESSY SERVICES TURBOMACHINES, with the support of an OEM partner as well as with its own engineering and design services, is able to propose up-grades for steam turbines, reciprocating compressors such as :

  • Installation of temperature and vibration probes in bearings
  • Installation of overspeed protection electronic devices on steam turbines
  • Replacement of lubricated gear-couplings with non-lubricated couplings