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Richter MNK-B Series Installation And Operating Manual

Sealless chemical magnetic drive pump
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INSTALLATION AND OPERATING MANUAL
Translation of the original manual
Series MNK-B
Sealless Chemical
Magnetic Drive Pump
Close-coupled design
Size 25-25-100
Keep for future use!
This operating manual must be strictly observed before
transport, installation, operation and maintenance
Subject to change without notice.
Reproduction is generally permitted with indication of the source.
© Richter Chemie-Technik GmbH
9230-056-en Revision 14 Edition 06/2016

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Summary of Contents for Richter MNK-B Series

  • Page 1 Keep for future use! This operating manual must be strictly observed before transport, installation, operation and maintenance Subject to change without notice. Reproduction is generally permitted with indication of the source. © Richter Chemie-Technik GmbH 9230-056-en Revision 14 Edition 06/2016...

  • Page 2: Table Of Contents

    Series MNK-B, size 25-25-100 Page 2 List of Contents List of Contents ..........2 6 Commissioning/Shutdown ....... 13 Relevant documents ......... 3 6.1 Initial commissioning ........13 6.1.1 Filling the pump housing ........13 1 Technical data ..........3 Start-up ..............13 6.1.2 1.1 Tightening torques ..........

  • Page 3: Relevant Documents

    Contamination QM 0912-16-2001_en  Dimensional drawing 9230-00-3025  Outline drawing On request:  Magnetic drive data Richter TIS 0543-03-0001  Performance curves  Publication: "Centrifugal Pump Operation without  Spare parts list NSPH Problems"  Operating manual and declaration of conformity ...

  • Page 4: Tightening Torques

    Series MNK-B, size 25-25-100 Page 4 Dry-running: Tightening torques Screws greased, tighten in diametrically opposite sequence Housing screws 901/3 Size No. x size 25-25-100 10 x M 8 Pipe screws, flanges to DIN/ISO ATEX marking: No. x size 4 x M 12 Pipe screws, DIN/ISO flanges drilled to ASME No.

  • Page 5: Notes On Safety

    In addition to the general notes on safety under the main heading “Safety”, special notes on safety are Richter pumps of the series MNK-B are plastic-lined included at other points and must be observed. magnetic drive centrifugal pumps for the leak-free...

  • Page 6: For The Customer/Operator

    Series MNK-B, size 25-25-100 Page 6 All important features are documented in the data Conversion work and sheet included in the scope of delivery. production of spare parts by In the event of operating conditions other than those the customer described in the data sheet, the following are to be checked again: Conversion of or changes to the machine are only...

  • Page 7: Special Operating Conditions

    Series MNK-B, size 25-25-100 Page 7 2.6.2 Special operating conditions In this case the declaration of conformity applies without ATEX identification. The plain bearings are cooled and lubricated At surface temperatures which depend primarily on by a flushing flow. operating conditions, DIN EN 13463-1 Chapter 9.3 allows no temperature class or temperature to be Owing to properties of the medium (e.g.

  • Page 8: Temperature Limits

    Series MNK-B, size 25-25-100 Page 8 Table 2 2.6.7 Temperature limits Temperature Limit value of the temperature In the normal operating condition the highest class acc. to of the liquid temperatures are to be expected on the EN 13463-1 Back plate Back plate surface of the pump housing and on the CFRP...

  • Page 9: Transport, Storage And Disposal

    Series MNK-B, size 25-25-100 Page 9 Transport, storage and disposal The pump or the unit must be transported Return consignments properly. It must be ensured that during transport the pump/unit remains in the Pumps which have conveyed aggressive or horizontal position. toxic media must be well flushed and Directly after...

  • Page 10: Installation

    Series MNK-B, size 25-25-100 Page 10 Installation Safety regulations 5.4.1 Nominal size The operating design point of a centrifugal pump lies Equipment which is operated in potentially at the intersection of the pump curve and the pipe explosive areas must satisfy the explosion curve, see Fig.

  • Page 11: Suction Line

    5.4.3 Suction line Pipe fittings The suction lines must always be laid on a rising The following pipe fittings are available from Richter gradient towards the pump. Otherwise, gas bubbles on request: may form which considerably reduce the suction line ...

  • Page 12: Electric Connection

    80% of the magnetic drive rating – at nominal speed. and choose a suitable circuit. Consult Richter if necessary. Different operating data can be achieved without changing the pump through the use of different A motor protection device (motor-circuit switch) is speeds, e.g.

  • Page 13: Commissioning/Shutdown

    Series MNK-B, size 25-25-100 Page 13 Commissioning/Shutdown Then proceeded as follows: Initial commissioning  Close discharge valve down to the position Normally, the pumps have already been test-run with "minimum flow rate". water. Unless special agreements have been made,  Start motor again. there could still be residual amounts of water in the If the magnetic drive stops again, look for the cause.

  • Page 14: Restarting

    Series MNK-B, size 25-25-100 Page 14 Discharge valve opened too much: Restarting  Pump can cavitate. Particularly severe with an When the pump is restarted, it must be ensured that empty discharge line. all the relative steps as described in Section 6.1 are ...

  • Page 15: Maintenance

    Series MNK-B, size 25-25-100 Page 15 Maintenance Screw connections of the 7.5.1 Protective clothing housing Even if the pump has been properly evacuated and flushed, residue of the medium may still remain in the After initial loading by the operating pressure and pump, e.g.

  • Page 16: Dismantling

    Series MNK-B, size 25-25-100 Page 16  Has the pump been shut down, drained and Dismantling flushed in accordance with the regulations? See also Section 6.3. There are two possibilities for dismantling:  Apply Anti-Seize-Special assembly paste (e.g. 1. Dismantling the complete pump from the plant. from Weicon) to fitted surfaces (not stainless steel 2.

  • Page 17: Determine Thicknesses S And S Of The Distance Washers 551

    X : Distance behind the impeller 1) in-house pump office Z : Axial clearance of the plain bearings  Press inner magnet assembly in the direction of 2) The manufacturer Richter or its local agent the impeller.  Measure distance X The following conveying data can be checked using behind the impeller.

  • Page 18: Faults

    Series MNK-B, size 25-25-100 Page 18 Faults Faults may result from inadmissible modes of Flow rate too high : operation. Such inadmissible modes  Is the geodetic head too low? operation – even brief ones – may cause  Are the pipe or nozzle resistances too low? serious damage to the unit.

  • Page 19: 01/Pfa)

    Series MNK-B, size 25-25-100 Page 19 Sectional drawing MNK-B, size 25-25-100 (with back plate mades of stainless steel 1.4301/PFA) housing 550/1 disc blind cover 551/x distance washer back plate with axle 554/x washer impeller flywheel mass lantern 800/1 motor 393/x thrust bearing part 901/x hex.
  • Page 20 CHEMIENORMPUMPEN / CHEMICAL PROCESS PUMPS / POMPE POUR L'INDUSTRIE CHIMIQUE Ausführung Magnetkupplungspumpen Baureihe/Series/Série Design Magnet drive pumps MNK-B Construction Pompes à entraînement magnétique Einsatzgrenzen / operating limits Baugrößen / Size: 25-25-125, 50-32-125, 50-32-200, 65-40-200, 80-50-200 9200-00-3030/4-04 © Richter Chemie-Technik GmbH - 1 - TM 9601...
  • Page 21 CHEMIENORMPUMPEN / CHEMICAL PROCESS PUMPS / POMPE POUR L'INDUSTRIE CHIMIQUE Ausführung Magnetkupplungspumpen Baureihe/Series/Série Design Magnet drive pumps MNK-B Construction Pompes à entraînement magnétique Baugrößen / Size: 25-25-160, 50-32-160, 80-50-160, 125-80-200, 125-100-200, 80-50-250 9200-00-3030/4-04 © Richter Chemie-Technik GmbH - 2 - TM 9601...
  • Page 22 MNK-B 25-25-100, depending on the housing cover design: Housing cover made of 1.4301/PFA - 10 bar at -60 °C to 150 °C Housing cover made of CFK/PTFE - 6 bar at -60 °C to 150 °C 9200-00-3030/4-04 © Richter Chemie-Technik GmbH - 3 - TM 9601...
  • Page 23 Das Unternehmen Richter Chemie-Technik GmbH bescheinigt hiermit, dass die o.a. Baureihen die grundsätzlichen Anforderungen der aufgeführten Richtlinien und Normen erfüllt. Richter Chemie-Technik GmbH confirms that the basic requirements of the above specified directives and standards have been fulfilled. Bevollmächtigt für die Zusammenstellung der technischen Unterlagen nach 2006/42/EG: M.
  • Page 24 Das Unternehmen Richter Chemie-Technik GmbH bescheinigt hiermit, dass die o.a. Baureihen die grundsätzlichen Anforderungen der aufgeführten Richtlinien und Normen erfüllt. Richter Chemie-Technik GmbH confirms that the basic requirements of the above specified directives and standards have been fulfilled. Bevollmächtigt für die Zusammenstellung der technischen Unterlagen nach 2006/42/EG: M.
  • Page 25 Safety Information / Declaration of No Objection Concerning the Contamination of Richter-Pumps, -Valves and Components SCOPE AND PURPOSE Each entrepreneur (operator) carries the responsibility for the health and safety of his employees. This extends also to the personnel, who implements repairs with the operator or with the contractor.
  • Page 26 A. Details of Richter-product: Failure description: Classification: Article number: Equipment: Serial number: Application tool: Application process: B. Condition of the Richter-product: Contamination : Was it in operation ? toxic Drained (product/operating supply item) ? caustic All openings hermetically locked! inflammable...
  • Page 27 Waste Management Law (AbfG) and the Water Resources Act (WHG) An inspection/repair of Richter products and parts will only take place, if the attached explanation is filled out correctly and completely by authorized and qualified technical personnel and is available.

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