Apollo Saturn S-II (Second Stage) liquid hydrogen vent and relief valve
This Apollo Saturn S-II (Second Stage) Liquid Hydrogen (LH2) dual function tank Vent and Relief Valve was manufactured by Wallace O. Leonard Inc. under subcontract to North American Aviation (prime for the S-II). The valve was produced in 1966. The LH2 Vent-Relief valve, used as part of the single Rocketdyne J-2 engine system which powered […]
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