NASA NTRS · 19700000540
Pilot-booster control valve
Abstract
Two-stage, pressure-sensing control valve is designed for servocontrol of 10-inch main tank valve regulating pressure of liquid oxygen in tank and serving to vent tank during filling. Valve uses a negative-rate Belleville spring to cancel positive spring rates of bellows and coil springs.
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Marley, D.. 1970-11-01. Pilot-booster control valve. https://ntrs.nasa.gov/citations/19700000540
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