Validation of railway products

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Procedure for the validation of railway products

The "Procedure for the validation of railway products" Aims to regulate the validation of the products to be installed in the General Interest Railway Network (RFIG), in order to facilitate contracting and quality control mechanisms. All the phases of the process to achieve the validation of the product are detailed in the aforementioned procedure.
The products that require validation are those that are regulated by a reference Technical Specification, if it is included in the "List of validated technical specifications". The validation process, then, will be the demonstration of compliance with the requirements and tests that appear in the corresponding section of its Technical Specification; and with the completion of this validation process they will become part of the "Registry of validated products and companies".

To start a new validation process for a railway product, it will be necessary to request it through the following email address:

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It is reported that Adif / Adif AV is not considered an accredited conformity assessment body, in accordance with the provisions of the Regulation (EC) of the European Parliament and of the Council, of 9 July 2008, and this approval only has effects for Adif / Adif AV.


The validation process is regulated, in all its phases, in accordance with the Procedure
The Technical Specifications that regulate products, and that appear in this List, are the ones to which the validation process applies.
The Technical Regulations Database contains the Technical Specifications referring to conditions on products to be installed on the track of all the railway subsystems
This Registry collects all the products that have successfully completed the validation process.

Ballast certification

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Ballast Supply: Procedure for obtaining the Adif Quality Label (types 1 and 2)

Possession of the Adif Quality Badge is an essential requirement to be eligible to contract future ballast supplies. It is granted to those quarries or ballast producing centres in which it is demonstrated that a rock with the appropriate geotechnical characteristics is used, so that the ballast behaves correctly on the track, and a processing plant that meets the conditions required to obtain quality ballast.

Adif Quality Distinction Request

List of quarries with quality labels

Quarry map with Adif quality label.
Geotechnical and manufacturing facility requirements.
Ballast quality control. Sampling and testing.
Specifications of Technical Prescriptions for the supply and use of ballast.