Custom-Made Solutions for Oil & Gas, Hazardous Areas

Atex Delvalle adapts to our clients’ needs by offering hazardous-area enclosures and boxes on demand. They are adapted to your specific requirements of installation and assembly, up to the last detail.
Atex Delvalle designs and manufactures a range of Hazardous Area enclosures; junction & terminal boxes, pressurized, Flameproof Ex d and Increased Safety Ex e ATEX & IECEx compliant enclosures.

For 45 years we have manufactured custom-made and cost effective products specifically designed for hazardous areas.
In 1975 Atex Delvalle began designing and manufacturing hazardous area enclosures. They are designed to meet your exact size requirements so you are no longer constrained by standard “off the shelf” enclosures or designs.
They can be customized according to your exact size, and they match any hazardous enclosure including: actuating elements, push-buttons, terminals, etc. Although we have a standard range we also build after order, with a maximum size limited to 2000mmx2000mmx1000mm in hazardous areas. It is the biggest size available in the market. You can choose either A314L or A316L stainless steel.

We offer a wide range of personalization degrees:

Consulting & Engineering

Classification of areas according to ATEX directive 94/9/EC aims to protect the zones where liquids, gases and explosive dusts are present. They can reduce the risks and increase the protection in a profitably and reasonable way.
The most common environments where Ex ATEX enclosures are needed, are places with flammable vapors and gases, areas of liquid explosives transfers, paint cabins, solvents stores… etc. Also places with the presence of combustible dust such as grain warehouse, mills, etc…
Thereby, the objective is to ensure that devices and equipments under this directive, comply the safety requirements by removing ignition sources and minimizing the consequences of possible explosions.
In Atex Delvalle, our engineers have had an exhaustive training about Ism ATEX 2 Electrical Certification. Accredited by the Notified organization INERIS who approve this training in the selection and assembly of electrical appliances ATEX, the review and inspection of ATEX equipments, through a complete compendium of specific subjects.
We can say that we are proud of being in a leading position in terms of Normative Atex experience.



Custom Approved

Custom-made approved solutions for the following Zones: 1, 2, 21, 22 and Cat I, II. We do customized design

Special dimensions
We can do holes with special dimensions for cable glands

Actuating Elements

We fix hazardous-area actuating elements. We do turnkey solutions


Print corporate logo

We can print your corporate image, logo or any other reference on your enclosures

RAL Colour

We paint any colour in the RAL card

Certificate Atex Iecex

Only one certificate for your custom-made solution

Atex Delvalle Commitment

Cost savings for our customers: we look for the most effective solution with the lower cost and remaining all warranties and safety regulations.

Targeted solutions from our CAP certified manufacturing department for electrification and automation of connection ex boxes and ex control switches. 
(Ex Certified Assembly Partner)

The manufacturing service offered by atexDelvalle Spain provides special expertise in solutions for connection boxes, control switches and component supply. We offer solid know-how in connection solutions for needs in areas with an explosion risk (ATEX environments), covering automation, machine production and equipment manufacturing - and also for applications in the energy and chemical industries.

Modular and easily configurable enclosures and control switches from atexdelvalle ensure the flexibility of our CAP assembly services. Our key strength lies in fast and customer-oriented service that is suitable for finding exactly the right products.

We listen to our customers, and we offer sustainable solutions backed by solid skills and expertise.
Finding the most suitable, reliable, and cost-effective solution for connection and control enclosures required broad-based skills and interaction on every level. Smooth and steady ongoing co-operation with the customer, our in-house expertise, and a systematic approach together form the foundation of our operation and represent our core values. 
These are values we hold in high regard and strictly apply in all of our work!

Our greatest strengths:
Fast and flexible service
Excellent knowledge related to explosive atmospheres (ATEX environments)
A broad and modular product range
Versatile materials
Powder-coated steel
Stainless steel AISI304
Corrosion-resistant stainless steel AISI316L
Extensive certification
We offer CAD files for standard products that can be viewed in a catalogue, along with bespoke products.
Strict standards of operation, for guaranteed high quality
Atexdelvalle Spain operates in an environment where safety, quality, and reliability are core values and absolutes.
Our quality-control systems involve setting and reaching measurable goals and targets. Furthermore, the entire supply chain is committed to implementation of our prevention plan, in which all steps in the process are well-documented.

View our product ranges:
Ex Junction boxes »
Standard versions in product catalogue and customized assembly versions.
Materials: polyamide, polyester, diecast aluminium, stainless steel 304 or 316L.

Ex Terminal boxes »
Standard versions in product catalogue and customized assembly versions. Materials: polyamide, polyester, diecast aluminium, stainless steel 304 or 316L.

Control switches and panels »
Standard versions in product catalogue and customized assembly versions.
Materials: polyester, diecast aluminium, stainless steel 304 or 316L.

Ex Distributions »
Standard versions in product catalogue and customized assembly versions.
Materials: polyester, diecast aluminium, stainless steel 304 or 316L.

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