VALVES
Busek’s precision micro-valves are based upon valves developed for the ST7 flight program. The
miniature valves have been designed to work with advanced green monopropellants, and they can
operate with a variety of propellants including ammonia, nitrogen and butane. These valves consume
little power, mass and volume, making them relevant for CubeSat and NanoSat propulsion
applications
High Pressure Proportional Flow Control Valve (PFCV)
• Designed to withstand 2500 PSI input pressure
• Low power: < 10mW (including drive electronics, power draw is <
132mW max)
• Low mass and volume: < 40g and 6.3cc, respectively
• Valve features target control resolution of 0.01mg/sec
• Normally closed
Precision PFCV
The precision valve has been designed to work with ionic liquids,
but it is capable of precisely metering many other common propellants.
•Designed to withstand 500 PSI input pressure
• Valve Driver enables up to 10kV electrical isolation between valve
return and spacecraft common
• Low power: < 40mW (including drive electronics, power draw
is < 135mW max)
• Low mass and volume: < 50g and < 10cc, respectively
• Normally Closed
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