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The quick answer is 14.7psi.
The fuel tanks are not pressurised and are vented to atmosphere. So the pressure inside the tank is whatever the ambient pressure outside the aircraft is. Hence the maximum pressure inside the tank will be ambient pressure at sea level, i.e. 14.7psi or thereabouts.
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What does head pressure mean in plumbing?
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How many btu per gallon of heating oil at 130 psi?
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House pressure, 75 PSI maximum.
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15 psi
Where is a 1991 Mazda 626 fuel pump?
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What is a leak detection pump on a dodge Dakota 2002?
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What should fuel line pressure be for dodge 1999 van?
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What is the fuel pressure when the engine is running?
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What is the tire pressure on a Boeing 747?
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How do you drain fuel from 94 Lumina fuel tank so you can change the fuel pump which is pumping 10 psi?
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What should tire pressure be for a 2000 VW Beetle?
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