This table lists all the data fields for a Valve Curve. Some of them can be viewed and edited on the Valve Curve Grid View of the Links Grid.
There are a number of built in curves displayed in the Valve Curve Grid View. Fields cannot be edited for built in curves.
Once a User Defined curve has been added to the Valve Curve Grid View, fields can be viewed and edited on the Valve Curve Page, which also displays a graph of valve characteristics.
Further information, including units details, about all the Network Object fields stored in the database can be found in the data fields topics listed in the Network Data Fields topic.
Database Table Name: wn_valve_curve
Field Name |
Help Text |
Flag |
Grid |
Property Page |
Size |
Precision |
Units |
Database Field |
Data Type |
Default |
Error Lower Limit |
Error Upper Limit |
Warning Lower Limit |
Warning Upper Limit |
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Notes |
You can keep freeform notes about any object in your network. The notes field can be up to 64,000 characters in size, or about 10 pages of printed text. |
NO |
YES |
NO |
|
0 |
|
notes |
Memo |
|
|
|
|
|
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Loss Coefficients |
Table of values describing the curve. The table should be filled in from manufacturers' information where possible.
Database Table Name: wn_valve_loss_coefficients
|
NO |
YES |
NO |
|
0 |
|
curve |
Array |
|
|
|
|
|
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Curve ID |
Name of curve (limited to 30 characters) |
YES |
YES |
NO |
30 |
|
|
curve_id |
Text |
|
|
|
|
|
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Curve Type |
Either "Builtin" or "User Defined"
|
NO |
YES |
NO |
|
|
|
user_defined |
Boolean |
1 |
|
|
|
|
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Description |
Optional text to be entered by user |
YES |
YES |
NO |
80 |
|
|
description |
Text |
|
|
|
|
|