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Instruction Manual
TopGear MAG
Magnetic Drive Internal Gear pumps
Read and understand this manual prior to operating
or servicing this product.
A.0500.551 – IM-TG MAG/02.00 GB (02/2008)
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EC-Declaration of conformity (as per EC's Machinery Directive 98/37/EC, Annex IIA) Producer SPX Process Equipment BE NV Evenbroekveld 2-6 BE-9420 Erpe-Mere Belgium We hereby guarantee that TopGear MAG Magnetic Drive Gear Pumps Types: TG MAG15-50 TG MAG23-65 TG MAG58-80 TG MAG86-100 TG MAG185-125 are in conformity with EC's Machinery Directive 98/37/EC, Annex I. Manufacturer Declaration (as per EC's Machinery Directive 98/37/EC, Annex IIB) The product mus
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Contents 1.0 Introduction ........................................................................................................ 7 1.1 General ..................................................................................................................7 1.2 Reception, handling and storage ....................................................................7 1.2.1 Reception.......................................................................................................... 7 1.2.2 Han
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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 ................
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3.20 Trouble shooting ...............................................................................................41 3.20.1 Instructions for re-using and disposal ......................................................43 3.20.1.1 Re-use .......................................................................................................43 3.20.1.2 Disposal ....................................................................................................43 3.21 Maintenance instructions ....
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5.0 Sectional drawings and part lists ................................................................62 5.1 TG MAG15-50 to TG MAG185-125 .........................................................62 5.1.1 Hydraulic part .................................................................................................63 5.1.2 Bearing bracket .............................................................................................63 5.1.3 S-jacket options ......................................
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1.0 Introduction 1.1 General This instruction manual contains necessary information on the TopGear pumps and must be read carefully before installation, service and maintenance. The manual must be kept easily accessible to the operator. Important! The pump must not be used for other purposes than recommended and quoted for without consulting your distributor. Liquids not suitable for the pump can cause damages to the pump unit, with a risk of personal injury. 1.2 Reception, handling and sto
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1.3 Safety 1.3.1 General Personnel who have a pacemaker should not be allowed to work with the magnetic coupling! The magnetic field is sufficiently strong to affect the operation of a pace- maker. A safe distance is 3 metre! Important! The pump must not be used for other purposes than recommended and quoted for without consult- ing your distributor. A pump must always be installed and used in accordance with existing national and local environ- mental and safety regulations and laws. When ATEX
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1.3.2 Pump units 1.3.2.1 Pump unit handling Use an overhead crane, forklift or other suitable lifting device. Secure lifting slings around the front If there are lifting rings on both the Warning part of the pump and the back part of pump and the motor the slings may be Never lift the pump unit with only one the motor. Make sure that the load is fastened to these. fastening point. Incorrect lifts can re- balanced before attempting the lift. NB! Always use two lifting slings. sult in persona
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1.3.2.3 Before commissioning the pump unit Read the pump’s operating and safety manual. Make sure that the installation has been correctly carried out according to the relevant pump’s manual. Check the alignment of the pump and motor shafts. The alignment may have been altered during transport, lifting and mounting of the pump unit. For safe disassembly of the coupling guard see below: Disassembly/assembly of the coupling guard. Warning The pump unit must not be used with other liquids than
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1.4 Technical conventions Quantity Symbol Unit Dynamic viscosity µ mPa.s = cP (Centipoise) Kinematic viscosity ν = µ kg — ρ = density ρ 3 [ ] dm 2 mm — ν = kinematic viscosity [ ] = cSt (Centistokes) s Note! In this manual only dynamic viscosity is used. Pressure p [bar] ∆p Differential pressure = [bar] p Maximum pressure at discharge flange (design pressure) = [bar] m Note! In this manual, unless otherwise specified - pressure is relative pressure [bar]. Net Positive NPSHa Net Posi
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2.0 Pump description TopGear MAG pumps are rotary positive displacement pumps with internal gear. They are made of cast iron or stainless steel. TG MAG pumps are assembled from modular elements, which allows a variety of constructions. Different magnet coupling executions, heating/cooling options, several sleeve bearings, gear and shaft materials and mounted safety relief valve. 2.1 Type designation The pump properties are encoded in the following type indication, which is to be found on the
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TG MAG 58-80 G2 S 0C BG 2 Q S5 S10 V R 1 2 3 4 5 6 7 8 9 10 11 12 13 7. Idler bush and idler materials SG Idler bush in hardened steel with idler in cast iron CG Idler bush in carbon with idler in cast iron BG Idler bush in bronze with idler in cast iron HG Idler bush in ceramic with idler in cast iron SS Idler bush in hardened steel with idler in steel CS Idler bush in carbon with idler in steel BS Idler bush in bronze with idler in steel HS Idler bush in ceramic with idler in steel US
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3.0 General information and technical data 3.1 Pump standard parts Outer magnetic rotor Intermediate cover Top cover Pump shaft Bearing bracket Inner magnetic rotor Rotor bearing assembly Idler pin cover Separation can Idler pin Rotor shaft Pump casing Pump cover Idler gear 3.2 Operating principle As the rotor and idler gear unmesh, an underpressure is created and the liquid enters the newly created cavities. Liquid is transported in sealed pockets to the discharge side. The walls of the pump
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3.2.1 Self-priming operation TopGear pumps are self-priming when sufficient liquid is present in the pump to fill up the clearances and the dead spaces between the teeth. (For self-priming operation see also section 3.18.5.2 Piping). 3.2.2 Safety relief valve – Working principle The positive displacement principle requires the installation of a safety relief valve protecting the pump against overpressure. It can be installed on the pump or in the installation. (See 3.19.4 Checklist – Init
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3.5 Main characteristics The pump size is designated by the displacement volume of 100 revolutions expressed in litres 3 (or dm ) but rounded followed by the nominal port diameter expressed in millimetres. Pump size d B D Vs-100 n.max n.mot Q.th Q.th v.u v.i ∆p p.test 3 -1 -1 3 TG MAG (mm) (mm) (mm) (dm ) (min ) (min ) (l/s) (m /h) (m/s) (m/s) (bar) (bar) 50 40 100 14.5 1500 3.6 13.1 7.9 1.8 16 24 15-50 1450 3.5 12.6 7.6 1.8 65 47 115 22.5 1500 5.6 20.3 9.0 1.7 16 24 23-65 1450 5.4 19.6 8.7
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The values depend on the position from where one measures and were therefore measured at the front of the pump, at distance of 1 meter from the pump cover and were corrected for background noise and reflections. The values listed are the highest measured values under following operating conditions. • working pressure: up to 10 bar . • pumped medium: water , viscosity = 1 mPa.s • —% n = — % maximum shaft speed max Lpa (dB(A)) TG MAG pump size n (min-1) Ls (dB(A)) max 25% n 50%n 75%n 10
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3.7.3 Influences The real sound level of the pump unit can for several reasons deviate from the values listed in the tables above. • Noise production decreases when pumping high viscosity liquids due to better lubricating and damping properties. Moreover the resistance torque of the idler is increasing due to higher liquid friction which results in lower vibration amplitude. • Noise production increases when pumping low viscosity liquids combined with low working pressure because the idle
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3.10.2 Maximum temperature of internals For some material combinations the general temperature performances must be limited. The maximum allowable working temperature of internals depends on the combination of materials used and their thermal expansions and the interference fit to hold the bearing bush fixed. • Some bush bearings have an extra loc king screw . In this case the maximum allowable tempera- ture is based on the most probable interference fit. • In case the bearing bush has no
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3.11 Mass moment of inertia TG MAG pump size 15-50 23-65 58-80 86-100 185-125 J (10-3 x kgm²) 3.5 6.8 32 54 200 Outer parts Inner parts Inner parts: Idler Rotor shaft Axial rotor bearings Shaft sleeve Inner magnetic rotor Outer parts: Pump shaft Outer magnetic rotor -3 2 Mass moment of inertia J [ 10 x kgm ] TG MAG outer parts per lenght of magnets inner parts per lenght of magnets type 40/60 80 100 120 40/60 80 100 120 15-50 22 26 - - 8 9 - - 23-65 22 26 - - 10 12 - - 58-80 66 80 93 - 46 52 58
