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Summary of Contents for KSB Multitec
- Page 2 Multitec Contents Point Description Page Point Description Page General Maintenance / Repair General Instructions Safety Maintenance / Inspection Marking of Instructions in the Manual 7.2.1 Supervision of Operation Personnel Qualification and Training 7.2.2 Bearings and Lubrication Non-Compliance with Safety Instructions 7.2.3...
- Page 3 Multitec General The word The Multitec pump has been developed in accordance with state- of-the-art technology; it is manufactured with utmost care and is used to introduce safety instructions whose nonobservance subject to continuous quality control. may lead to damage to the machine and its functions.
- Page 4 Modifications or alterations of the machine are only permitted with KSB’s prior approval. Original spare parts and accessories authorised by KSB ensure safety. The use of other parts will Fig. 3.1-3 Transport of close-coupled pumps and vertical invalidate KSB’s liability for consequential damage.
- Page 5 Multitec The unit/pump is installed sometime before the plant is Designation commissioned : Multistage A 32 / 8E - 2.1 12 . 65 (SP) Special measures have to be taken after a prolonged shutdown Type series period, e.g., to make sure that the pump is always ready for instant Installation type/pump version start-up and to prevent the formation of deposits within the pump’s...
- Page 6 Close-coupled pumps KSB will not accept any responsibility for the safe and reliable operation of the pump unit if these operating instructions are not It is essential to make sure that the pump is not warped in axial complied with.
- Page 7 It must be easy to rotate the shaft. For the Multitec V32-65, the dimensions for the setting of the coupling alignment have to be considered during assembly (see page no. 31).
- Page 8 2710 Danger of life when hot media are handled ! 1260 1740 Multitec 50 with radial suction nozzle Example : - for the suction nozzle, the values given in table column DN 80 apply. - for the discharge nozzle, the values given in table column DN 50 apply.
- Page 9 Multitec 5.4.1 Vacuum Balance Line Y starting (high voltage) Where liquid has to be pumped out of a vessel under vacuum, it is advisable to install a vacuum balance line. This is should have a nominal size of at least 25 mm and must be arranged to lead into the vessel at a point above the highest permissible liquid level.
- Page 10 (not and possibly to damage on the pump ! included in KSB’s scope of supply) has to be installed at the venting hole, in order to lead the exiting steam during venting to If the discharge line is equipped with an automatic check valve, another place where there is no danger of scalding.
- Page 11 Multitec Time-lag relay setting for star-delta starting 6.1.7 Final Check After the pump has been primed, it must be easy to rotate the Motor rating Y-time to be set coupling / shaft by hand. 30 kW 3 sec. 30 % There must be no impermissible leakage at the shaft seal during >...
- Page 12 > 140 to + 200 25% of Qopt with a suitable anti-corrosive agent. Contact KSB if exact minimum flows have to be calculated. If the pump must be preserved for a longer storage period with KLUBERTOP K 01-601 or with another...
- Page 13 For the variant with grease lubrication, the rolling element bearings of the Multitec 32 as well as the rolling element bearing of the non-drive end of the Multitec 50 and 65 in design C and D are lubricated for life and do not require any relubrication. In this case, there are no lubricating nipples on the bearing brackets.
- Page 14 Dismantling If you need additional information or instructions, please contact KSB’s customer service !
- Page 15 - pull out sleeve 520.2 with rolling element bearing 320.2. Fig. 7.3-1 Grease lubrication - Pull off bearing cover 160.2 using forcing screws. Multitec 32 - 125 Multitec 150 - Remove circlip 932.1 (shaft in C45) or bolt 901.2 and disc 550.7 (shaft in 1.4021 / 1.4462).
- Page 16 Bearings taken over by the motor bearings. In the version Multitec V100, N.B. : The ceramic plain bearing installed at the non-drive end V125 and V150 the fixed bearing is located in the support lantern need not be dismantled in order to remove the drive-end rolling 342.
- Page 17 Multitec 7.3.4.2 Replacing the Shaft Protecting Sleeve 7.3.5 Removing the Mechanical Seal - Remove the bearing as described in sections 7.3.3.1 and - Remove the bearings as described in sections 7.3.3.1 and 7.3.3.2. 7.3.3.2. - Remove packing rings as described in section 7.3.4.1.
- Page 18 N.B.: This mechanical seal design is used for application temperatures fom 140 C to 200 C and Multitec sizes 32 to 100. The pump shall only be coupled to a motor with enclosure IP 55. - Remove bearing acc. to sections 7.3.3.1 or 7.3.3.2.
- Page 19 Multitec 7.3.5.3 Removing a Double-Acting Mechanical 7.3.7 Recommended Spare Parts Stock for 2 Seal Years’ Continuous Operation Mechanical seals in tandem, face-to-face and back-to-back We recommend to replace different wear parts arrangement are fitted as per customer specifications. There is (such as rolling element bearings, sealing elements, a wide variety of variants, types and brands.
- Page 20 Tightening torque (Nm) ring (the last packing ring is located in the seal chamber on the pump size). Multitec 32 Multitec 50 The gland cover must be tightened by hand at first. Use a feeler gauge to check the level position of the gland cover. It must be Multitec 65 easy to rotate the rotor by hand.
- Page 21 Multitec Individual seal components such as O-rings made of EPDM must 7.4.3.1 Leakage at the Mechanical Seal never come into contact with oil or grease. - Check axial alignment of the seal. The mechanical seal shall be re-assembled in the reverse - Check gasket 400.01.
- Page 22 When tightening shaft nuts, the following has to be observed : The shaft nuts must be tightened according to the values indicated in the table “Tightening Torques of Shaft Nuts”. Tightening of the Shaft Nuts of the Multitec Shaft nuts without lockwasher Does not apply to drive side of MTC 32/50/65 with self-locking shaft nut.
- Page 23 Multitec If there is not suitable torque wrench available for the Rolling element bearings tightening of the shaft nuts, proceed as follows with respect to Grease lubricated bearings each design : Self-locking nut on drive end or non-drive end (versions C and D) •...
- Page 24 - Remove the bearings, check grease quantity. the discs made of deep-drawn sheet metal by solid discs. An excessive grease quantity will cause excessive This repair method does not require KSB spare parts. temperature. - Check the bearing type and arrangement (see 7.4.4.4).
- Page 25 Multitec N.B.: The advantage of the deep-drawn discs is their hardness Clearance gaps between impeller 230 and diffuser : at the sealing gap due the forming procedure during production. a) Re-working the impellers at the sealing gaps of the hubs.
- Page 26 Multitec Trouble-Shooting...
- Page 27 Multitec General Drawing Sizes 32 to 100 Radial suction nozzle with mechanical seal Design without balance drum Axial suction nozzle up to pump size 50 Axial suction nozzle pump size 65 and above 1) only for version with mechanical seal...
- Page 28 Multitec Close-coupled pump up to size 65 Radial suction nozzle Vertical version Vertical version Pump size 100 and 125 Pump size 32, 50 and 65 1) only for version with mechanical seal 2) from pump size 65 3) from pump size 100...
- Page 29 Multitec Pump size 125 and 150 Version B Material codes 20, 21, 22, 23 and 30 Version C Bypass of balancing line MTC 150, 2-pole 1) only for version with mechanical seal 2) from pump size 65 3) from pump size 100...
- Page 30 Multitec List of Components This list of components contains all spare parts mentioned in this document. Part No. Description 106.1/.2 Suction casing Discharge casing 108.1 Stage casing 160.1/.2 Cover 171.1 Diffuser Pump stool Foot Shaft 1) Impeller 1) Suction impeller 1) 320.1/.2...
- Page 31 Multitec Adjusting Dimensions for Coupling Alignment, Pump sizes 32 to 65, Pump Versions E, Ex, F, Fx, V, Vx Ø Motor flange Ø Adjusting discs Last coupling New coupling Ø Motor flange MULTITEC Shaft end Adjusting length Ø Motor flange...
- Page 32 Annexure I - Environment Protection - Pruduct Disposal after useful life Products manufactured by KSB Pumps are designed with utmost care for environmental protection. Innovative designs and wide product range takes care of specific customer requirements reducing material and electrical energy consumption. Product materials are recyclable.
- Page 33 Multitec NOTES...
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