Bolts on the isometric material list and in the material control file can be reported in any combination of diameter and length units.
For example:
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5/8" Dia x 4" Long
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5/8" Dia x 100mm Long
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16mm Dia x 100mm Long
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16mm Diax x 4" Long
The purpose of this option switch is to enable the bolt diameter and length values held in the piping data file to be correctly interpreted by the software. Regardless of what units are being used, all bolt diameter and length values are stored in the piping data file as integer type numbers. For example, inch units are stored in 1/16's of an inch, while millimeter units are stored as millimeters.
Therefore, every unit is converted to either 1/16's of an inch or millimeters. For example:
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5/8" diameter is stored as 10/16
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4" long is stored as 64/16
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16mm diameter is stored as 16
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100mm long is stored as 100
The option switch setting must match the bolt unit values in the piping data file in order to produce correct results.