What does it mean when an FCV is set to a status(initial) or 0?


 Applies To 
 Product(s):WaterCAD, WaterGEMS
 Version(s):08.11.XX.XX, 10.XX.XX.XX
 Area: Output and Reporting
 Original Author:Mark Pachlhofer, Bentley Technical Support Group

Problem

What does it mean when an FCV is set to a status(initial) of 0 (zero)?

Problem ID#: 82720

Solution

A setting of zero for an FCV will limit the flow to zero, which essentially means that the valve is closed. Note that if you have demands downstream of the FCV with no other path for them to be satisfied, you can encounter problems, as explained here:

How do I model a system where there is intermittent demand or where demand is being cut off from it's water source at some point?

Ill-conditioning User Notification for valves in a hydraulic model