(Includes Jacket and Heat Exchanger Components)
Use Diameter: This option is only available for some components. The user may choose to input dimensions as the inside dimensions or the outside dimensions where this option is available. For some components (such as shell), the use of outside dimensions for internal pressure calculations may result in a slightly higher required thickness.
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Long. Joint Efficiency: The joint efficiency of the longitudinal joints (long seams) in the shell component. This is determined from Table UW-12 for welded joints. This may also represent longitudinal ligament efficiency per UG-53. When both ligaments and welded joints exist, the lowest efficiency is used. See Appendix L for further help in determining the efficiency.
 | Joint Efficiency Calculator: Click the button next to the field to calculate. If the inputs return a logical value per UW-12, the joint efficiency will be displayed in the calculator. To apply this value to the field, select Ok. The value in the field can be manually entered even after using this calculator. |
Quantity: The number of tubes that this component represents. This field is only available for the tube component.
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The following fields are not used by this software; they are listed here for the convenience of filling out the data forms in DesignDocs and FormPro.
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Radiography (Circ.): This field represents the degree of radiography performed on the circumferential joints (girth seams). See UW-11 for more information. Joint type (Circ.): This field represents the joint type for the circumferential joints (girth seams) in the shell. See Table UW-12 for more information. Radiography (Long.): This field represents the degree of radiography performed on the longitudinal joints (long seams). See UW-11 for more information. Joint Type (Long.): This field represents the joint type for the circumferential joints (girth seams) in the shell. See Table UW-12 for more information. Heat Treatment Temperature: Review Subsection C of Section VIII, Division 1 to better determine the required heat treatment temperature for your component and material. Heat Treatment Time: Review Subsection C of Section VIII, Division 1 to better determine the required heat treatment time for your component and material. |
Nominal t: This value is in the new condition. For the component to pass, this value must be at least the sum of the thickness necessary for pressure and temperature, corrosion allowances, and forming allowances or under-tolerances. If the thickness necessary for pressure and temperature is less than the thickness required by UG-16, the nominal thickness must be at least the sum of the UG-16 thickness and the tolerances, etc. In some cases, under-tolerance is not considered (e.g., for nozzle reinforcement, the under-tolerance of the nozzle neck is ignored). When “Solve for Thickness” is selected, the software will determine the smallest standard size that passes. The user is able to manually edit this value.
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