General information on the collection of personal data

The operator of the website ("We", "Us", "Our", "Our" and "Our") takes the protection of your personal data very seriously. This Privacy Notice describes how we process and protect the personal data collected and processed via this website or affiliated websites ("Website"). It consists of a "Summarising Notice" (see below under 1.), a "Detailed Notice" (see below under 2.).

Personal data ("personal data") is all information (such as your salutation (title), your name, your address, your e-mail address, your telephone number, your bank details, your credit card number, your IP address, etc.) that relates to an identified or identifiable natural person ("data subject"). Your personal data will only be processed by us in accordance with the provisions of Regulation (EU) 2016/679 (EU General Data Protection Regulation "GDPR") and the other provisions of the applicable national data protection laws.

Your personal data will only be processed if you have consented to the processing or if the processing is permitted by law. The contents of this privacy policy inform you about the type, scope and purpose of the processing of your personal data.

This privacy policy relates exclusively to our website and other services. In the event that you are redirected to third-party websites via links from our website, please inform yourself on these websites about the handling of your personal data.

1. Summarising Note

1.1 Scope of application, data subject and controller

This privacy policy applies exclusively to the collection and processing of personal data of users of our website or affiliated websites or the companies of the group of companies. The controller for all personal data collected and processed in connection with the use of the website is the operator of the website. If another controller processes personal data about how you use this website, you will receive a separate privacy policy.

1.2 How you can contact us and our data protection officer

You can contact us by post using the contact details provided in the legal notice.

You can contact our data protection officer by post at the following address:

HYDAC Verwaltung GmbH, Abteilung Datenschutz, Industriestraße, 66280 Sulzbach/Saar, Germany or at the following email address: privacy(at)

1.3 Categories of personal data, purposes of processing and legal bases

Appendix 1 "Personal Data" to this Privacy Policy contains detailed information about (i) the categories of personal data that We collect from you; (ii) the purposes for which We process this personal data; and (iii) the legal bases for collecting and processing your personal data. If the processing is for a different purpose, We will provide you with additional information.

1.4 Recipients and categories of recipients of the personal data

We transfer your personal data to other companies within the group of companies. We use internal and external service providers to provide services and products on our behalf. Your personal data is transmitted to the service providers for this purpose. Within the company and the companies of the group of companies and when using service providers, any access to your personal data in connection with your use of the website is restricted to those persons who absolutely need this data to fulfil their professional duties.

We will disclose your personal data to government authorities, courts, external consultants and similar third parties that are public bodies to the extent required or permitted by applicable law.

We only disclose personal data to recipients to the extent necessary.

1.5 Data transfers outside the European Economic Area ("EEA")

Some of the recipients of your personal data are located outside the EEA or have branches there. We ensure that such recipients outside the EEA provide an adequate level of protection for personal data and that appropriate technical and organisational security measures are in place to protect personal data by entering into appropriate data transfer agreements or by taking other appropriate measures. Any further transfer beyond this is subject to the relevant legal requirements.

1.6 Scope and duration of storage

Your personal data will only be processed by us and/or our service providers to the extent necessary for the fulfilment of our obligations to you or for the fulfilment of the service providers' obligations to us. Processing in accordance with the applicable data protection laws only for the period necessary to fulfil the purposes for which the personal data is processed. When the purpose for the data processing has ceased to exist, the personal data will be deleted from the systems and/or records and/or steps will be taken to properly anonymise your personal data so that you can no longer be identified from that data. This does not apply where We and/or our service providers are required to retain your information beyond this:

to comply with any legal or regulatory obligations to which We and/or Our service providers are subject, with regard to legal action periods or are otherwise authorised to retain personal data.

1.7 Your rights

In accordance with applicable data protection laws (such as the GDPR), you have the following rights: (i) the right of access; (ii) the right to obtain a copy of your personal data undergoing processing; (iii) the right to rectification; (iv) the right to erasure ("right to be forgotten"); (v) the right to restriction of processing; (vi) the right to data portability; (vii) the right to object; and (viii) the right to lodge a complaint with the competent data protection supervisory authority. If you have given your consent to the processing of personal data, you may withdraw this consent at any time. Such a revocation does not affect the legality of the processing that took place prior to the revocation of consent.

1.8 Use of cookies and similar technologies on the website

We use cookies and similar technologies on our website. You can find detailed information on this in our cookie policy under point 5.

1.9 Personal data required for the conclusion or fulfilment of the contract

You only need to provide the personal data that is marked as mandatory in the relevant forms on Our Website. Without this personal data, the desired contract cannot be concluded or an existing contract can no longer be executed and may have to be cancelled.

Personal data that is not labelled as mandatory in the relevant forms on Our website does not have to be provided.

1.10 Changes to this privacy policy

This Privacy Policy may be subject to change. We reserve the right to amend or supplement this Privacy Policy at any time. You can see the current version date of this privacy policy at the bottom of the page.

2.1Categories of Personal Data, purposes of processing and legal bases

In Appendix 1 "Personal Data" to this Privacy Notice, you will find detailed information on:

  • the categories of Personal Data We collect from you in addition to other Personal Data that you actively provide to Us (e.g., when you send an email to Us);
  • the purposes for which We process those categories of Personal Data; and
  • the legal bases for the collection and processing of your Personal Data.

We also use cookies and similar technologies on Our Website. You can find detailed information on this in Our Cookie Policy.

Please note that We process your Personal Data for other purposes only if:

  • We are obligated to do so on the basis of legal requirements (e.g., transfer to courts or criminal prosecution authorities);
  • if you have consented to the respective processing; or
  • if the processing is otherwise lawful under applicable law.

If processing for another purpose takes place, We will provide you with additional information.

2.8Changes to this Privacy Notice

This Privacy Notice may require an update from time to time – e.g., due to the implementation of new technologies or the introduction of new services or features. We reserve the right to change or supplement this Privacy Notice at any time. We will publish the changes on

Version 2.502/2023
Version 3.008/2023
Version 3.510/2023



Additional notices regarding the privacy policy as a download

Information on the joint processing of data in the companies of the HYDAC group as PDF

Notices regarding the privacy policy in video monitoring as PDF

Data protection notice Intellectual-Property PDF PDF

Cookies and other technologies

Our Internet pages use so-called „cookies“. Cookies are small data packets and do no harm to your terminal device. They are stored either temporarily for the duration of a session (session cookies) or permanently (permanent cookies) on your end device. Session cookies are automatically deleted at the end of your visit. Permanent cookies remain stored on your end device until you delete them yourself or until they are automatically deleted by your web browser.

In some cases, cookies from third-party companies may also be stored on your terminal device when you enter our site (third-party cookies). These enable us or you to use certain services of the third-party company (e.g. cookies for processing payment services).

Cookies have various functions. Many cookies are technically necessary, as certain website functions would not work without them (e.g. the shopping cart function or the display of videos). Other cookies are used to evaluate user behavior or display advertising.

Which cookie we use when you use our website, you can see as the end.

Cookies that are required to carry out the electronic communication process, to provide certain functions you have requested (e.g. for the shopping cart function) or to optimize the website (e.g. cookies to measure the web audience) (necessary cookies) are stored on the basis of Art. 6 (1) lit. f GDPR, unless another legal basis is specified. The website operator has a legitimate interest in storing necessary cookies for the technically error-free and optimized provision of its services. Insofar as consent to the storage of cookies and comparable recognition technologies has been requested, the processing is carried out exclusively on the basis of this consent (Art. 6 para. 1 lit. a GDPR and § 25 para. 1 TTDSG); the consent can be revoked at any time.

You can set your browser so that you are informed about the setting of cookies and allow cookies only in individual cases, exclude the acceptance of cookies for certain cases or generally and activate the automatic deletion of cookies when closing the browser. When disabling cookies, the functionality of this website may be limited.

If cookies are used by third parties or for analysis purposes, we will inform you separately in the context of this privacy statement and, if necessary, request your consent.

Consent via a Consent Manager

Our website uses the consent technology of Onetrust to obtain your consent to the storage of certain cookies on your end device or to the use of certain technologies and to document this in accordance with data protection law. The provider of this technology is Onetrust Technology Ltd, 82 St John Street, London, GB, EC1M 4JN (hereinafter „ConsentManager“).

When you enter our website, a connection is established to Onetrust's servers in order to obtain your consents and other declarations regarding cookie use. Onetrust then stores a cookie in your terminal device in order to be able to allocate the consents granted to you or their revocation. The data collected in this way is stored until you delete the Onetrust provider cookie yourself or the purpose for storing the data no longer applies. Mandatory legal storage obligations remain unaffected.

The use of Onetrust takes place in order to obtain the legally required consent for the use of cookies. The legal basis for this is Art. 6 para. 1 lit. c GDPR.

Onetrust Contract processing

We have concluded a contract with the above-mentioned provider. This is a contract required by data protection law, which ensures that this processes the personal data of our website visitors only according to our instructions and in compliance with the GDPR.

We have concluded an order processing agreement with the above-mentioned provider.

Description/scope of data processingLegal basis of data processingPurposes of data processingDuration of retentionPossibility of objection and removal
  • Information about the browser type and version used.
  • the user's operating system.
  • the user's Internet service provider.
  • the user's IP address.
  • The date and time of access.
  • Websites from which the user's system accesses our website.
  • Websites from which the user's system accesses our website.

If cookies or cookie-like technologies are used in the course of data processing, the storage of information in the end user's terminal device or access to information already stored in the end user's terminal device is carried out in accordance with 25 para. 1 TTDSG and further data processing in accordance with Art. 6 para. 1 GDPR. Insofar as the use of cookies für mandatory, this is done on the basis of § 25 para 2 TTDSG and the further data processing according to Art. 6 para 1 litGDPR.

The protection of legitimate interests forms the legal basis für the processing of data using technically necessary cookies. The legal basis für the processing of data using cookies for analysis purposes is consent, if the user has consented to this use.


The purpose of using technically necessary cookies is to make it easier for users to use websites. Some functions on our websites cannot be offered without the use of cookies. These functions require that the browser be recognized even if the user leaves the site. Which cookie we use and for what purpose can be seen ünnen via the following link:

The user data collected by means of technically necessary cookies are not used to create user profiles. Analytics cookies are used to improve the quality of our website and content. Analytics cookies show us how the website is used. In this way, we can continuously optimize our website. These purposes constitute our legitimate interest in processing the data in accordance with our legitimate interest.


The storage time depends on the cookie used. Cookies processed when you open the website:

You can see the storage period in the following list.

You can disable or restrict the transmission of cookies by changing the settings in your Internet browser. Cookies that have already been stored can be deleted at any time. This can also be done automatically. If you deactivate cookies for our website, it may no longer be possible to use all functions to their full extent. If you have agreed to the use of the analysis cookie and want to withdraw your consent, you can find this setting under