A Ferrofluid-seal provides a hermetic seal under both static and dynamic conditions against gas, vapor and other contaminants. Leakage rates are in the region of 10-11 [He] mbar l s1.
Universal characteristic of the most of the rotary joints from VacSol
Vacuum pressure | 10-8mbar | |
Overpressure (special design) | <30 bar | |
Helium leakage rate | 10-11mbar l s-1 | |
Temperature range: uncooled, standad ferrofluid | 0 – 80°C | |
Temperature range: uncooled, special ferrofluid | 0 – 150°C | |
Speed (special design) | >30 000 rpm | |
Gas compatibility | inert and other gases depending on temperature partial pressure | |
Housing material | austenitic stainless steel | |
Shaft material | martensitic stainless steel | |
Magnetic fluids |
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