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A.0500.551 – IM-TGMAG/02.00 EN (02/2008)
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 start-up ..................................................................................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 start-up ..........................................................................39
3.19.5 Start-up ...........................................................................................................39
3.19.6 Shut-down ......................................................................................................40
3.19.7 Abnormal operation ......................................................................................40