Studies & design


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

Thermal sizing

When requested by the customer, Delaunay et Fils thermal engineers can ensure the thermal sizing of the exchangers. They have the experience and expertise for this type of study.

Delaunay et Fils is a member of HTRI (Heat Transfer Research Institute) and uses software specifically developed by this Institute, which is recognised and renowned among all Oil & Gas players.




(xls-File, 40 KB)

Mechanical sizing

The engineers and technicians of our Study and Methods departments ensure a reliable and robust design of our equipment, based on more than 60 years of experience in the field, and scrupulously respecting the applicable regulations, customer specifications and the design and construction codes chosen by these customers.

The Design and Manufacturing Codes commonly used by Delaunay et Fils are :

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

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