Draft Tube
AssemblyThe diverging passage below the runner that recovers velocity head and lowers the runner outlet pressure. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Draft Tube
4 top-level lines as of r69301| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Draft Cone | francis-turbine-draft-cone | 1× | 1 | · | part |
| 2 | Draft Elbow | francis-turbine-draft-elbow | 1× | 1 | · | part |
| 3 | Draft Liner | francis-turbine-draft-liner | 1× | 1 | · | part |
| 4 | Aeration Valve | francis-turbine-aeration-valve | 1× | 1 | · | part |