Engineering & Design


All of our design and manufacturing services are grouped on our main site located in the industrial port area of Le Havre, thus ensuring efficiency and responsiveness. These services are provided by our own permanent and experienced staff, ensuring the highest quality, flexibility and strict compliance to the agreed-upon contractual deadlines.

Thermal sizing

When requested by the customer, DELAUNAY & Fils thermal engineers may provide the thermal design of the exchangers.

In order to do so, we are a member of the HTRI (Heat Treatment Research Institute) that provides us with their very own software, recognized and renowned among all oil and gas companies.




(xls-File, 40 KB)

Mechanical sizing

Our engineers and technicians ensure a reliable and robust design, based on more than 60 years of experience in the field. We scrupulously comply with the applicable regulations, customer specifications and the design codes chosen by the customers.

The Design and Manufacturing Codes commonly used by DELAUNAY & Fils are:

  • TEMA
  • API 660
  • ASME VIII DIV 1 et 2
  • NBIC
  • PD 5500
  • ISO 13445

If necessary and for particular cases, specific validation studies / calculations may be carried out such as Finite Element Calculation (FEA) or Fatigue Calculations.