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Open the Piping Specification.xls workbook.
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Select the FluidDensityRule sheet.
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Select a row after the Start keyword but before the End keyword, and click Insert > Row.
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In the Fluid Code column, enter the fluid code short description for which to define a density.
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Specify the temperature range for the fluid density. Include the temperature unit, for example F or C, when defining this range.
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In the Density column, enter the fluid density. Be sure to include the units of measure, for example lbm/ft^3 or kg/m^3, when specifying this value.
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Save the Piping Specification.xls workbook.
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The fluid code short descriptions are defined on the AllCodeLists.xls workbook in the FluidCode sheet in the Fluid Code Short Description column.
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For cryogenic liquids and compounds that can change phases, you must define a different fluid code, and thus a different density, for each of the different phases.