Working Medium Tank MVSK
Glavkosmos
The Working Medium Tank MVSK is a monopropellant propulsion system designed for spacecraft, storing and feeding hydrazine to liquid propellant thrusters.
Key figurescomparable across the catalogue
- Mass
- 2.5 kg
- Design life
- 12.5 years
- TRL
- 9
Normalised to common units so this product can be compared with others in its category. The supplier's own wording is below.
As published by the supplier
- Purpose
- Monopropellant propulsion system for spacecraft
- Flight qualification of the product
- Letter "O", flight use
- Possibility to adapt the product to customer requirements
- Yes
- 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 expulsions, not over
- 0.2 dm³
- Allowable helium leak:- total, l·μm of he/s, not over
- 5.0 · 10ˉ⁴
- Allowable helium leak:- diaphragm leak test, l·μm of he/s, not over
- 5.0 · 10ˉ³
- Inner compartment cleanness
- Russia State Standard GOST 17216, Class 5
- Design life
- 12.5 years
About
The Working Medium Tank MVSK is a monopropellant propulsion system specifically engineered for spacecraft applications. Its primary purpose is the storage and feed of hydrazine propellant to liquid propellant thrusters. The product has achieved flight qualification, indicated by ‘Letter “O”, flight use’, signifying its readiness for operational space missions. The manufacturer also offers the possibility to adapt the product to customer-specific requirements, providing flexibility for various spacecraft designs. Key specifications include its use of hydrazine as propellant, an operating pressure not exceeding 1.32 MPa, and a mass not over 2.5 kg. The propellant compartment has a volume of 8.4 ± 0.1 dm³, with an unused propellant residue after expulsions not exceeding 0.2 dm³. It features stringent allowable helium leak rates, both total and during diaphragm leak tests, and an inner compartment cleanness conforming to Russia State Standard GOST 17216, Class 5. The tank boasts a guaranteed service life of 12.5 years.
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.