In figures

24 category B workers for intervention in irradiating environments on customer sites
Driven by the desire to offer a « turnkey » service to its customers, DÉFI SYSTÈMES has a multi-skilled site team, ensuring the installation, commissioning and maintenance phases of its equipment


Installation site client

Installation and commissioning on customer site

  • Preliminary measurements and definition of the layout,
  • Search for iron and carrying out general installation work (anchoring of equipment and supports, filling in of hoppers, custom-made construction of fluidic networks),
  • Transport and delivery to the customer's site,
  • Handling and mechanical installation, connection to electrical and fluidic networks,
  • Commissioning and tuning.
Formation client à l'utilisation

Customer training in use

  • Drafting of training materials,
  • Training of operators in the use and maintenance of equipment.
Service après-vente


  • Preventive and corrective maintenance on customer site,
  • Telephone assistance and troubleshooting,
  • Supply of spare parts.

Moyens matériels et humains

Installation salle blanche ISO8

Qualified and versatile site team

  • CEFRI personnel for intervention under ionizing radiation,
  • Operator qualifications according to project needs (working at height, lifting/handling, mechanical and/or electrical installation, control/command system, etc.),
  • Mobility throughout France and internationally.
Essais usine

Material resources

  • Handling equipment and tools according to customer needs,
  • PPE and radiation protection equipment according to the constraints of the installation (harness, EPVR, passive and operational dosimetry),
  • Intervention vehicle equipped for rapid repairs.

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