• Jobs 0
  • Tenders 0
  • Visits
  • FAQs
  • Contact us
  • ITER directory
  • Subscribe

    Subscribe to the newsletter

    Your email address will only be used for the purpose of sending you the ITER Organization publication(s) that you have requested. ITER Organization will not transfer your email address or other personal data to any other party or use it for commercial purposes.

    If you change your mind, you can easily unsubscribe by clicking the unsubscribe option at the bottom of an email you've received from ITER Organization. modification test 

    For more information, see our Privacy policy.

    Select your newsletters:

  • Donate
Why is water preferred to oil in the hydraulic systems? Inside the ITER vacuum vessel any leakage of oil would be very hard to clean. Also leakages—whether oil or mineralized water— would become activated. Demineralized water is hence preferred for the hydraulic systems.