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Why pressure test

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Pressure testing sealable silos

 

Nitrogen – notes for use in stored grain

Equipment requirements:

Requires a gas-tight sealed silo – meeting Australian standard AS2628 being a five minute half-life pressure-test.
Nitrogen generators are required to produce 99% concentration N gas from the ambient air which is: 78% N, 21% O₂, 0.9% Ar, 0.04% C0₂ and water vapour.
Nitrogen generation units, two designs:

“Pressure swing adsorption” (PSA) […]