Our fields of activity

Discover our know-how through the different fields of activity and their needs

bâtiment inox

Building and construction

Since 1989, DVAI is cutting stainless steel plates and pieces for many actors of the construction industry.


We produce any type of product such as facade cassettes for the exterior design of buildings as well as door protection plates or stainless steel splashbacks for the development of new buildings or homes.


DVAI is a reference company for the production of pieces dedicated to the petrochemical sector.

For over 25 years , the professionalism of the organization and production flexibility are the strengths of our company.

DVAI is characterised by the real attention to the customer and by its quick answers to diversified market needs.


The most sought-for products for this industry are tank heads and shells 

domaine pétrochimie
domaine chimie


DVAI differentiates itself thanks to its rapid answers to diversified market needs and thanks to the personalized attention we pay to each customer.


The 4 most used materials in this sector are stainless steel 304, 316L stainless steel , stainless steel UB6 , and stainless U45N .


The 304 stainless steel is an alloy wherein the nickel and chromium are added.
It can be used inside and outside , but should not be used in a contaminated atmosphere .


The 316L is an austenitic stainless steel .
This is a stainless steel marine .
It contains molybdenum and is therefore highly resistant to corrosion (especially chlorine and sea water ) .


UB6 stainless steel is also an austenitic stainless steel .
These two last types of stainless steel are used for parts that must have good corrosion resistance.


U45N stainless steel is a duplex stainless steel.
The duplex stainless steel has most of the advantages of austenitic and ferritic stainless steel.
The duplex structure provides good mechanical strength and good resistance to corrosion.


DVAI differentiates itself through a large stock of material and the possibility to propose multiple services within the same production site : Cutting , tank heads and shells manufacturing.


The most used material in this sector is the 316L :

The 316L is an austenitic stainless steel. This is a stainless steel marine.
It contains molybdenum, thus it is highly resistant to corrosion.
It supports detergents, chlorine, sea water, and is food-compatible.
It is particurlarly used in hospitals, medical, paramedical and pharmaceutical sectors.


DVAI is the specialist of stainless steel spherical cap or dished only head. We produce dished heads, flat heads, conical heads, and half sphere as well.


DVAI also provides the stainless steel shells in order to manufacture tanks.

domaine pharmaceutique
domaine agroalimentaire


DVAI is a reference company for the production of parts and services for the food industry.


The most used material in this sector is stainless steel 304L


The most used service is cutting, it is up to you to choose which type is better, depending especially on the thickness of your material.

Moreover, DVAI proposes a service of express delivery for STANDARD KLOPPER HEADS available in our stock with very short expedition times.

DVAI also provides the stainless steel shells in order to manufacture tanks.

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