3.16 Components of the magnetic drive | 22 | |
3.16.1 | Magnetic coupling | 22 |
3.16.2 | Rotor bearing assembly | 23 |
3.16.3 | Circulation pump | 24 |
3.16.4 Sealing rings and gaskets | 24 |
3.17 Safety relief valve | 25 | |
3.17.1 Definition and working principle | 26 | |
3.17.2 | Materials | 26 |
3.17.3 | Pressure | 26 |
3.17.4 | Heating | 26 |
3.17.5 Safety relief valve – Relative adjustment | 27 | |
3.17.6 Sectional drawings and part lists | 28 | |
| 3.17.6.1 Single safety relief valv28 |
|
| 3.17.6.2 Heated spring casing | 29 |
3.18 Installation | 29 | ||
3.18.1 | General | 29 | |
3.18.2 | Location | 30 | |
| 3.18.2.1 | Short suction line | 30 |
| 3.18.2.2 | Accessibility | 30 |
| 3.18.2.3 | Outdoor installation | 30 |
| 3.18.2.4 | Indoor installation | 30 |
| 3.18.2.5 | Stability | 31 |
3.18.3 | Drives | 31 | |
| 3.18.3.1 | Starting torque | 31 |
| 3.18.3.2 Radial load on shaft end | 31 | |
3.18.4 | Shaft rotation | 32 | |
3.18.5 Suction and discharge pipes | 32 | ||
| 3.18.5.1 | Forces and moments | 32 |
| 3.18.5.2 | Piping | 33 |
| 3.18.5.3 | Isolating valves | 33 |
| 3.18.5.4 | Strainer | 34 |
3.18.6 | Secondary piping | 34 | |
| 3.18.6.1 | Drain lines | 34 |
| 3.18.6.2 | Heating jackets | 34 |
3.18.7 | Guidelines for assembly | 35 | |
| 3.18.7.1 Transport of pump unit | 35 | |
| 3.18.7.2 | Foundation pump unit | 35 |
| 3.18.7.3 Variators, Gear box, Gear motors, Motors | 35 | |
| 3.18.7.4 | Electric motor drive | 35 |
| 3.18.7.5 | Combustion engines | 36 |
| 3.18.7.6 | Shaft coupling | 36 |
| 3.18.7.7 Guarding of moving parts | 37 | |
| 3.18.7.8 Check temperature censor on can | 37 |
3.19 Instructions for | 38 | |
3.19.1 | General | 38 |
3.19.2 | Cleaning the pump | 38 |
| 3.19.2.1 Cleaning suction line | 38 |
3.19.3 | Venting and filling | 38 |
3.19.4 Checklist – Initial | 39 | |
3.19.5 | 39 | |
3.19.6 | 40 | |
3.19.7 | Abnormal operation | 40 |
4 | A.0500.551 – |