The PEPT-590 from RAFAEL is a Spacecraft and Satellite Propellant Tank with a minimal net volume of 102.5 liters and a propellant capacity of 75 Kg. This propellant tank has an operating pressure of 24.6-5.5 bar and a burst pressure of 49.2 bar. It is compatible with Hydrazine, IPA, distilled water, GN2, and GHe propellants and has a mass of 7.5 Kg. The propellant tank is made of 2 6Al-4V titanium alloy thin-walled hemispheres and positive fuel expulsion is provided by an EPDM-based rubber diaphragm retained between welded parts inside the tanks. It has a flight time of up to 15 years and has flown on several successful missions such as Galileo IOV and Exomars 2020.
