Cookies Policy

In this web we use cookies from third parties and own to get a better browsing experience, you can share content on social networks and so we can get statistics from users.

You can prevent cookies from being downloaded through your browser settings, preventing cookies from being stored on your device.

As owner of this website, I inform you that we do not use any personal information from cookies, we only make general statistics of visits that do not involve any personal information.

It is very important that you read this cookie policy and understand that, if you continue browsing, we will consider that you accept its use.

According to the terms included in article 22.2 of Law 34/2002 on Information Society Services and Electronic Commerce, if you continue browsing, you will be giving your consent for the use of these mechanisms.

Responsible Body

The entity responsible for the collection, processing and use of your personal data, in the sense established by the Personal Data Protection Act is the website, owned by Tubos Esbert S.A. – C/ Arnau de Vilanova, 20 08105 – Sant Fost de Campsentelles (Barcelona).

What are cookies?

Cookies are a set of data that a server deposits on a user’s browser to collect standard Internet log information and visitor behavior information on a website. In other words, these are small text files that are stored on the computer’s hard drive and serve to identify the user when he or she connects back to the website. Its purpose is to record the user’s visit and store certain information. Its use is common and frequent on the web as it allows the pages to function more efficiently and achieve greater personalization and analysis of user behavior.

What types of cookies are there?

The cookies used on our website are session and third party, and allow us to store and access information regarding the language, the type of browser used, and other general characteristics predefined by the user, as well as follow and analyze the activity carried out, in order to introduce improvements and provide our services in a more efficient and personalized.

The cookies, depending on their permanence, can be divided into session or permanent cookies. Those that expire when the user closes the browser. Those that expire depending on when the purpose for which they are used is fulfilled (for example, so that the user remains identified in the services of Tubos Esbert S.A.) or when they are deleted manually.

Name Type Expiration Purpose Class
__utma Third Party (Google Analytics) 2 years Used to distinguish users and sessions. No Exempt
__utmb Third Party (Google Analytics) 30 minutes Used to determine new sessions or visits No Exempt
__utmc Third Party (Google Analytics) At the end of the session Configured for use with Urchin No Exempt
__utmz Third Party (Google Analytics) 6 months Stores the origin or the campaign that explains how the user got to the web page No Exempt

Additionally, depending on their purpose, cookies can be sorted as follows:

Performance Cookies

This type of Cookie remembers your preferences for the tools found in the services, so you don’t have to reconfigure the service each time you visit. As an example, in this typology are included: Volume settings of video or sound players. The video transmission speeds that are compatible with your browser. Objects stored in the “shopping cart” in e-commerce services such as stores.

Geo-location cookies

These cookies are used to find out what country you are in when you request a service. This cookie is completely anonymous, and is only used to help direct content to your location.

Registration Cookies

Registration cookies are generated once a user has registered or has subsequently logged in, and are used to identify the user in the services for the following purposes:

Keep the user identified so that, if you close a service, the browser or computer and at some other time or another day re-enter the service, will remain identified, thus facilitating navigation without having to re-identify. This functionality can be deleted if the user clicks the [close session] function, so that this cookie is deleted and the next time the user enters the service will have to log in to be identified.

Check if the user is authorized to access certain services, for example, to participate in a contest.

Additionally, some services may use connectors to social networks such as Facebook or Twitter. When the user registers for a service with a social network credentials, he authorizes the social network to store a persistent Cookie that remembers his identity and guarantees him access to the services until it expires. The user can delete this Cookie and revoke access to services through social networks by updating their preferences in the social network they specify.

Cookies analytics

Each time a user visits a service, an external provider’s tool generates an analytical cookie on the user’s computer. This cookie, which is only generated during the visit, will be used in future visits to the services of Tubos Esbert S.A. to anonymously identify the visitor. The main objectives pursued are:

Enable anonymous identification of browsing users through the cookie (identifies browsers and devices, not people) and therefore the approximate count of the number of visitors and their trend over time.
Identify anonymously the most visited content and therefore more attractive to users Know if the user who is accessing is new or repeat visit.

Important: Unless the user decides to register for a Tubos Esbert S.A. service, the cookie will never be associated with any personal data that can identify him/her. These cookies will only be used for statistical purposes that help to optimize the experience of users on the site.

Advertising cookies

This type of cookies allow to extend the information of the advertisements shown to each anonymous user in the services of Tubos Esbert S.A.. Among others, it stores the duration or frequency of display of advertising positions, interaction with them, or browsing patterns and / or user behavior as they help to form a profile of advertising interest. In this way, they make it possible to offer advertising related to the interests of the user.


Third party advertising cookies

In addition to the advertising managed by Tubos Esbert S.A. websites in their services, Tubos Esbert S.A. websites offer advertisers the option of serving ads through third parties (“Ad-Servers”). In this way, these third parties can store cookies sent from the services of Tubos Esbert S.A. from users’ browsers, as well as access the data stored in them.


The companies that generate these cookies have their own privacy policies. Currently, the websites of Tubos Esbert S.A. use the Doubleclick (Google) platform to manage these services. For more information, go to and to

How can I disable cookies in my browser?

The different browsers can be configured to warn the user of the reception of cookies and, if desired, prevent their installation on the computer. Likewise, the user can check in his browser which cookies have been installed and which is the expiration period of the same, being able to eliminate them.

For further information please consult the instructions and manuals of your browser:

For more information about managing cookies on Google Chrome:

For more information about cookie management in Internet Explorer:

For more information about cookie management in Mozilla Firefox:

For more information about managing cookies in Safari:

For more information about cookie management at Opera:

If you want to stop being followed by Google Analytics visit:

To know more about cookies

More information about online advertising based on online behavior and privacy can be found at the following link:

Google Analytics data protection:

How Google Analytics uses cookies:

Updates and changes to privacy policy/cookies

The websites of Tubos Esbert S.A. may modify this Cookies Policy in function of legislative or regulatory requirements, or with the aim of adapting said policy to the instructions issued by the Spanish Data Protection Agency, for which reason users are advised to visit it periodically.

When significant changes are made to this Cookie Policy, these will be communicated to users either via the web or via email to registered users.