Rotating Element
AssemblyShaft carrying multiple impellers, balance device and sleeves, dynamically balanced as a unit. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Rotating Element
9 top-level lines as of r16082| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Pump Shaft | boiler-feed-pump-shaft | 1× | 1 | · | part |
| 2 | First-Stage Impeller | boiler-feed-pump-impeller-first | 1× | 1 | · | part |
| 3 | Series Impeller | boiler-feed-pump-impeller | 5× | 5 | · | part |
| 4 | Impeller Wear Ring | boiler-feed-pump-impeller-wear-ring | 6× | 6 | · | part |
| 5 | Balance Drum | boiler-feed-pump-balance-drum | 1× | 1 | · | part |
| 6 | Balance Drum Bush | boiler-feed-pump-balance-drum-bush | 1× | 1 | · | part |
| 7 | Shaft Sleeve | boiler-feed-pump-shaft-sleeve | 2× | 2 | · | part |
| 8 | Impeller Drive Key | boiler-feed-pump-impeller-key | 6× | 6 | · | part |
| 9 | Shaft Locking Nut | boiler-feed-pump-shaft-nut | 2× | 2 | · | part |