The Gasket Selection Filter node (the GasketSelectionFilter sheet in the Piping Specification.xls workbook) defines selection rules for the gaskets used for bolted joints in the model. You must make sure the actual service conditions of the pipeline do not exceed the gasket style limitations of maximum temperature, maximum pressure, and maximum P x T value. In general, a commodity part indicates in the Gasket Requirement option in the Piping Commodity Material Control Data to select the gasket from the gasket selection filter.
If you use the maximum temperature and pressure options in the GasketSelectionFilter sheet, make sure that you specify at least one set of temperature and pressure values for the pipe run on the New Pipe Run Dialog (Temperature and Pressure catergory). The values that you enter allow the software to select the appropriate gasket.
Bolted End Properties in Gasket Selection
You can base the selection of gaskets on only the Pressure Rating and the End Preparation properties of a bolted end. You can also optionally use the End Standard in the selection of gaskets. However, you must define the basis within a piping materials class uniformly and consistently. For example, you can base the selection of gaskets on Pressure Rating and End Preparation for one piping materials class, and the selection of gaskets for another piping materials class on Pressure Rating, End Preparation, and End Standard. Do not use both approaches within the gasket selection filter for the same piping materials class.
Fluid Codes in Gasket Selection
You can optionally choose to base the selection of gaskets on Fluid Codes. However, you must define the basis within a piping materials class uniformly and consistently. For example, you can base the selection of gaskets on Fluid Code for one piping materials class and choose to not base the selection of gaskets on Fluid Code for another piping materials class. Do not use both approaches within the gasket selection filter for the same piping materials class. See the Gasket Selection Based on Fluid Code in Model Options.
If you define any records using this rule, the software only uses this spec break rule to check for the connection parts at the spec break condition. You must define all the possible combinations or records that can be encountered in the model for the spec break condition. If at least one entry is defined in the rule, then the software does not check for the connection parts in the selection filters as it would in the default behavior.
Alternate End Practice (Conditionally Required)
Type the end practice for the other end when a second end preparation applies to the bolted joint.
Alternate End Preparation (Conditionally Required)
Type the end preparation code for the other end when a second end preparation applies to the bolted joint. For example, small-grove-face lap-flanged end. Valid codes are listed in the AllCodeLists.xls workbook on the EndPreparation sheet in the Codelist Number column.
Alternate End Standard (Optional)
Type the other end standard code when a second end standard applies to the bolted joint. Valid codes are listed in the AllCodeLists.xls workbook on the EndStandard sheet in the Codelist Number column.
Alternate Pressure Rating (Conditionally Required)
Type the other pressure rating code when a second pressure rating applies to the bolted joint. Valid codes are listed in the AllCodeLists.xls workbook on the PressureRating sheet in the Codelist Number column.
Alternate Rating Practice
Select the pressure rating practice.
Alternate Termination Class
Select the termination class.
Alternate Termination Subclass
Select the termination subclass.
Alternate Reportable Commodity Code (Optional)
Specify the contractor commodity code for an alternate reportable piping commodity that is to be created with the gasket on the basis of the piping materials class. The Fabrication Type override cannot be specified explicitly for any applicable reportable piping commodity as determined by the piping commodity material control data. If the Fabrication Type override has been specified for the parent gasket, that value will be used for any applicable reportable piping commodity. This data is currently not used by the software.
You can specify a reportable piping commodity here based on the piping materials class, and can also specify a different reportable piping commodity that applies to all piping materials classes for the same gasket in the piping commodity material control data. The quantity of the reportable piping commodity defined here may differ from that of the reportable piping commodity in the piping commodity material control data.
Comments (Optional)
Specify an optional brief description of the commodity code.
Contractor Commodity Code (Required)
Type the contractor commodity code, which is the code that identifies the gasket that you want to use from Gasket Part Data Sheet.
End Practice
Select the end practice. The end practices are defined in the End Standard select list.
End Preparation (Required)
Type the end preparation code for the bolted joint. Valid codes are listed in the AllCodeLists.xls workbook on the EndPreparation sheet in the Codelist Number column.
End Standard (Optional)
Type the end standard code for the bolted joint. Valid codes are listed in the AllCodeLists.xls workbook on the EndStandard sheet in the Codelist Number column. In the Catalog task, the end standards are defined in the End Standard select list.
Fabrication Class
Specifies the fabrication class. Fabrication classes are defined in the Fabrication Type select list.
Fabrication Type
Specifies the fabrication type. Fabrication types are defined in the Fabrication Type select list.
Fabrication Category Override (Optional)
Type the fabrication code. Valid codes are listed in the AllCodeLists.xls workbook on the FabricationType sheet in the Codelist Number column.
Fluid Code (Optional)
Type the fluid code for the fluid at the bolted joint. This value is not required when selecting a gasket for a mechanical joint. Valid codes are listed in the AllCodeLists.xls workbook on the FluidCode sheet in the Codelist Number column.
Gasket Option (Conditionally Required)
Type the gasket option code to use when the piping designer does not select a gasket type. Valid codes are listed in the AllCodeLists.xls workbook on the GasketOption sheet in the Codelist Number column.
Maximum Temperature (Conditionally Required)
Specify the maximum temperature that the gasket is intended for in this piping material class. You must specify the maximum temperature if the gasket is not intended for the full temperature range of the corresponding piping material class.
Minimum Temperature (Conditionally Required)
Specify the minimum temperature that the gasket is intended for in this piping material class. You must specify the minimum temperature if the gasket is not intended for the full temperature range of the corresponding piping material class. This data is currently not used by the software.
Nominal Diameter From (Required)
Define the lower bound of the largest nominal piping diameter for which this gasket applies.
Nominal Diameter To (Required)
Define the upper bound of the largest nominal piping diameter for which this gasket applies.
NPD Unit Type (Required)
Specify the units for the Nominal Diameter From and Nominal Diameter To columns. For example, type in for inches or mm for millimeters.
Piping Note 1 (Optional)
Specify the Standard Notes that you want to associate with the filter. Standard notes are defined in the Piping > Piping Specification > Notes node or on the StandardNotesData sheet in the Piping Specification.xls workbook. If needed, you can customize this sheet to add additional piping note properties. For example, Piping Note 2, Piping Note 3, and Piping Note 4.
Pressure Rating (Conditionally Required)
Type the pressure rating code for the bolted joint. This property defines the envelope of pressure to which the bolted joint may be subjected. Valid codes are listed in the AllCodeLists.xls workbook on the PressureRating sheet in the Codelist Number column.
Priority (Optional)
Type the priority value that this gasket should have when selecting gaskets for a bolted joint at a piping specification break, and the gasket requirements are different between the two piping materials classes. The lower the number, the higher the priority is for the gasket.
Quantity of Alt Reportable Parts (Optional)
Enter the number of alternate reportable piping commodities to be reported per instance of the gasket. If you have defined a commodity code in the Alt Reportable Commodity Code column but do not define a value in this column, the software uses a default value of one. This data is currently not used by the software.
Quantity of Reportable Parts (Optional)
Type the number of items to be reported per instance of the gasket commodity. This value must be an integer. If you have defined a commodity code in the Reportable Commodity Code column but do not define a value in this column, the software uses a default value of one. This data is currently not used by the software.
Reportable Commodity Code (Optional)
Type the commodity code of the commodity that you want created with the primary commodity code object. For example, you may want a flange insulation kit reported for material control but not represented graphically in the model. You would enter the commodity code of the flange insulation kit here. This data is currently not used by the software.
You can specify a reportable piping commodity here based on the piping materials class, and can also specify a different reportable piping commodity that applies to all piping materials classes for the same gasket in the piping commodity material control data. The quantity of the reportable piping commodity defined here may differ from that of the reportable piping commodity in the piping commodity material control data.
Ring Number (Optional)
Enter the code representing the ring number for a ring joint gasket. This property is only required for the situation where the gasket's commodity code does not address the ring number. Valid codes are listed in the AllCodeLists.xls workbook on the RingNumber sheet in the Codelist Number column.
Ring Number Practice (Conditionally Required)
Select the ring number practice.
Schedule Thickness (Optional)
Type the schedule (or thickness) for the associated clamp used to select the gasket at a mechanical joint. This value is required only for those gaskets where the selection of the gasket is dependent upon the schedule of an associated clamp. The gasket required for a Techlok, Grayloc, or SPO-Lock connector is an example of such a gasket.
Spec Name (Required)
Type the name of the piping material class for which the gasket is intended. The piping materials class that you enter must be defined on the Piping Materials Classes.
Supply Responsibility Override (Optional)
Type the supply responsibility code. The supply responsibility code identifies the party responsible for supplying the commodity. Valid codes are listed in the AllCodeLists.xls workbook on the SupplyResponsibility sheet in the Codelist Number column.
Termination Class (Required)
Select the termination class.
Termination Sub Class (Required)
Select the termination sub class for the port.