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Explosion Hatch Sizing NFPA 68

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withak36301

withak36301

Mechanical
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Aug 28, 2009
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I am running some sizing calculations for explosion hatches on a chlorine dioxide storage tank, using NFPA 68 methods to size the explosion hatches. Equation 7.2.1.1 has a term bar1/2 (square root of bar). Is this the same as (Po + 1)1/2 in 7.2.1b, or is bar1/2 the units?
 
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