Nominal Piping Diameter Compatibility Exceptions Rule - Intergraph Smart 3D - Reference Data - Hexagon PPM

Intergraph Smart 3D Piping Reference Data

Language
English (United States)
Product
Intergraph Smart 3D
Subproduct
Piping
Search by Category
Reference Data
Smart 3D Version
13

The Nominal Piping Diameter Compatibility Exceptions Rule node (the NPDCompatibilityExceptionsRule sheet in the Piping Specification Template.xls or in the Sample Data for NPDCompatibilityExepRule.xls workbook) is an optional rule that defines nominal piping diameter (NPD) values that are considered compatible to the extent that two ends can be joined without placing an additional size change component between them, such as a size change fitting or a specification transition adapter. For example, a 100mm ductile iron valve may be joined to a metallic flange adapter for a HDPE backup ring, where the nominal size has been based on the outside diameter (OD) of 110mm.

In addition to being able to successfully butt weld pipes of identical OD and wall thickness, an automatic pipe welder can join 1/4" x 0.049" wall pipe to 3/8" x 0.049" wall pipe or 3/8" x 0.049" wall pipe to 1/2" x 0.065" wall pipe. In some situations, when joining these two different pipe sizes, it is not necessary to use a special adapter. These pipe sizes are considered to be compatible.

The list of compatible pipe sizes is considered to be a function of the materials grade and End Standard.

The list of compatible pipe sizes is selected from the piping specification on the basis of the data listed below.

Nominal Piping Diameter1 / Nominal Piping Diameter End A (Required)

Define a valid nominal pipe diameter for one end of the applicable joint.

Nominal Piping Diameter Units1 / Nominal Piping Diameter Units End A (Required)

Specify the units for the nominal pipe diameter value that you entered in the Nominal Piping Diameter Units1 column. For example, type mm or in.

Materials Practice End A (Required)

Define the industry practice, such as U.S. Practice, for the materials grade of the fitting at one end of the applicable joint.

Materials Category End A (Required)

Define the classification for the materials grade of the fitting at one end of the applicable joint.

Materials Grade1 / Materials Grade End A (Optional)

Define the material grade code for the fitting at one end of the applicable joint. Valid codes are listed in the AllCodeLists.xls workbook on the MaterialGrade sheet in the Codelist Number column. If you define End Standard1 / End Standard End A, you do not need to define this property.

End Practice End A (Optional)

Define the end practice, such as Germany Standards (DIN), for one end of the applicable joint.

End Standard1 / End Standard End A (Optional)

Define the end standard code for one end of the applicable joint. Valid values are defined in the AllCodeLists.xls workbook on the EndStandard sheet in the Codelist Number column. This property is ignored if you define a value for Materials Grade1 / Materials Grade End A.

Nominal Piping Diameter2 / Nominal Piping Diameter End B (Required)

Define a valid nominal pipe diameter for the other end of the applicable joint.

Nominal Piping Diameter Units2 / Nominal Piping Diameter Units End B (Required)

Specify the units for the nominal pipe diameter value that you entered in the Nominal Piping Diameter Units2 / Nominal Piping Diameter, End B column. For example, type mm or in.

Materials Practice End B (Required)

Define the industry practice, such as U.S. Practice, for the materials grade of the fitting at the other end of the applicable joint.

Materials Category End B (Required)

Define the classification for the materials grade of the fitting at the other end of the applicable joint.

Materials Grade2 / Materials Grade End B (Optional)

Define the material grade code for the fitting at the other end of the applicable joint. Valid codes are listed in the AllCodeLists.xls workbook on the MaterialGrade sheet in the Codelist Number column. If you define End Standard2 / End Standard End B, you do not need to define this property.

End Practice End B (Optional)

Define the end practice, such as Germany Standards (DIN), for one end of the applicable joint.

End Standard2 / End Standard End B (Optional)

Define the end standard code for the other end of the applicable joint. Valid values are defined in the AllCodeLists.xls workbook on the EndStandard sheet in the Codelist Number column. This property is ignored if you define a value for Materials Grade2 / Materials Grade End B.

See Also

Piping Specification Rules
Define NPD Compatibility Exceptions
Model Rules