Working Medium Tank MVSK
Hydrazine propellant tank (8.4 dm³, ≤2.5 kg) for monopropellant spacecraft propulsion systems, flight-qualified.
Technical specifications
- Purpose
- Hydrazine storage and feed to liquid propellant thrusters in monopropellant spacecraft propulsion systems
- Flight qualification
- Letter O — flight use
- Customization
- Can be adapted to customer requirements
- Propellant
- Hydrazine
- Operating pressure
- Not over 1.32 MPa
- Mass
- Not over 2.5 kg
- Volume of propellant compartment
- 8.4 ± 0.1 dm³
- Unused propellant residue after expulsion
- Not over 0.2 dm³
- Allowable helium leak (total)
- Not over 5.0 × 10⁻⁴ l·μm He/s
- Allowable helium leak (diaphragm test)
- Not over 5.0 × 10⁻³ l·μm He/s
- Cleanliness
- GOST 17216, Class 5
- Guaranteed service life
- 12.5 years
- TRL
- 9 (flight-proven)
About
The Working Medium Tank MVSK is a hydrazine propellant tank for monopropellant propulsion systems on spacecraft. It stores 8.4 ± 0.1 dm³ of hydrazine at up to 1.32 MPa pressure, with a residual propellant of not more than 0.2 dm³. The tank has a mass of not more than 2.5 kg and holds flight qualification status (Letter ‘O’, flight use). It features a stiff-plastic diaphragm for propellant/pressurant separation and is rated for 12.5 years of service life.
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.
