The Flap Valve works in the same way as an Orifice except reverse flow is not allowed.
- Welcome to InfoDrainage
- What's New in this Version
- Getting Started Tutorials
- Background (Reference/Theory)
- Installation Guide
- Navigating the Interface
- Ribbons in Detail
- InfoDrainage for Civil 3D
- InfoDrainage Cloud Simulation
- Tech Previews
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