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Ammonia release calcs <br /> GAS FLOW RATE fib/minl <br /> Area <br /> AQ _ 19 .71 * A * P„ (2) <br /> T. + 459 <br /> A[int] = 0.012 <br /> Pa [psia] = 16.7 <br /> Tr[°F] _ (23.0) <br /> AQ [Ib/min] = 0.2 <br /> Number of min = 40.0 <br /> Total release [lb] = 7.7 <br /> (2) NH3 News, IIAR, May/June 1995 <br /> DATA <br /> Time: 40 Min <br /> Pressure: 2 psig <br /> Leak: Ammonia Liquid flashing to Vapor. <br /> Density @ 2 lbs =42.44 lb/ft' <br /> Temp at 2 psig is -23 F <br /> Irregular Area of leak <br /> Valve shaft 1 inch diameter <br /> 50% at packing <br /> .00781 Inch across. <br />