LATCH VALVES VTVQ 20000

APPLICATIONS :

• To open and close circuits on satellites and space transportation systems with electric actuation mono and bi-prop valves are available (MON and MMH).
• LATCH VALVE VTVQ 20 000 - opening/closing chemical distribution of thrusters feed lines

Main characteristics

Service pressure	0 to 22 bar (inlet), 0 to 32 bar (outlet)
Leakage rate	< 10 -6 N cm3/s
Response time	< 50 ms (open), < 50 ms (closing)
Temperature range	- 10°C to + 50°C
Nominal flow rate	8g/s of water
Pressure drop	< 0.6 bar at 22 bar and 8 g/s water
Operating fluids	deionised water, MMH, MON, GN2, GHe, IPA
Life time	10 years (design), 7 years (operating)
Mass	< 260 g
Flight proven	TV-SAT, TDF, EUTELSAT II, TURKSAT, AMOS, ARABSAT 2