SPX Cooling Technologies TG MAG86-100 Components of the magnetic drive, Magnetic coupling, 18.2.2

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

4 A.0500.551 – IM-TGMAG/02.00 EN (02/2008)