DICKOW PUMPEN WPM Series Operating & Installation Instructions Manual
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DICKOW PUMPEN WPM Series Operating & Installation Instructions Manual

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Oper at ion / I nst allat ion I nst r uct ions
WPM
No. 44.WPM.E3.01/ 18
Original Manual

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Summary of Contents for DICKOW PUMPEN WPM Series

  • Page 1 Oper at ion / I nst allat ion I nst r uct ions No. 44.WPM.E3.01/ 18 Original Manual...

  • Page 2: Table Of Contents

    Table of Cont ent s Table of Cont ent s Table of Contents ............................2  1.  General..............................4  2.  Safety ..............................5  2.1  Designation of Warning Notices ....................5  2.2  Intended use ..........................6  2.3  Avoidance of foreseeable operating errors ................... 6  2.4 ...
  • Page 3 Table of Cont ent s 10.  Sectional drawings ..........................36  10.1  WPM 10 ............................36  10.2  WPM 20 ............................37  10.3  WPM 23 ............................39  11.  Certificates ............................40  11.1 EC-Declaration of Conformity .......................40  11.2  Document of Compliance ......................41  WPM E3 01.18.doc 3 of 41...

  • Page 4: General

    The serial number is a precise description of the pump unit and serves as identification for all following procedures. In the event of damage the Customer Service of Dickow Pumpen must immediately be informed in order to maintain guarantee claims.

  • Page 5: Safety

    2. Saf et y 2. Saf et y The manual includes basic instructions for installation, operation and maintenance. Only if these instructions are strictly observed, a safe handling of pump or pump unit is guaranteed and personal injury and material damage is avoided. All the safety instructions in this manual must be considered.

  • Page 6: Intended Use

    Responsibility, competence and supervision must be strictly regulated by the owner. Skill of the personnel shall be improved by training. Training course can be held by the technical staff of Dickow Pumpen. WPM E3 01.18.doc 6 of 41...

  • Page 7: Additional Safety Regulations

    2.7 Saf et y inst r uct ions f or m aint enance, inspect ion and assem bly  Alteration works or modifications on the pump are only allowed after consulting Dickow Pumpen.  Only original parts or parts approved by Dickow shall be used.

  • Page 8: Notices On Explosion Protection

    2. Saf et y 2.9 Not ices on ex plosion pr ot ect ion Operation in explosive areas requires stringent attention to this chapter. DANGER  Only pumps with relevant identification are allowed to be used in explosive areas.  Pumps must be designated for this service in the pump data sheet.

  • Page 9: Magnet Coupling

    2. Saf et y 2.9.3 Application in explosion group II C In order to avoid brush discharge from machines of group II G, the coating thickness is limited to maximum 0,2 mm. For thicker coatings, approved conductive coating systems are used. 2.10 Magnet coupling Strong magnetic field from the area of the magnet coupling or from single...

  • Page 10: Description

    3. Descr ipt ion 3. Descr ipt ion 3.1 Gener al descr ipt ion This pump is used where ever sealless design and selfpriming ability is required. This applies for instance to dangerous, explosive, toxic and other harmful but clean or gaseous liquids without solids which are handled in the chemical, petrochemical and general industry.

  • Page 11: Identification

    3. Descr ipt ion I dent if icat ion 3.4.1 Name tag Fig. 1: Name tag German and English 3.4.2 Identification acc. to Explosion Proof Directive Equipment group II Equipment category 2 Application in atmospheres with gas / steam / fog Letter „h“...
  • Page 12 3. Descr ipt ion 3.5 Design Design  side channel pump  horizontal installation  multistage  with radial suction and discharge flange, selfpriming Pump casing  flange orientation is possible in each axial direction Impeller  star-shaped side channel impellers Bearing ...

  • Page 13: Scope Of Supply

    3. Descr ipt ion 3.5.2 Flange orientation Fig. 3: Flange positions viewed from drive end NOTE Flange orientation depends on the number of stages! Self-priming only with flange orientation 1. Scope of supply Depending on the pump execution, the following items belong to the scope of supply: ...

  • Page 14: Handling / Storage / Disposal

    4. Handling / St or age / Disposal 4. Handling / St orage / Disposal Handling Slipping of pump / pump unit from its suspension DANGER Danger of life through components falling down!  Lift the pump / pump unit only in horizontal position. ...

  • Page 15: Return Of Pump

    4. Handling / St or age / Disposal The following measures are recommended for storage of the pump / pump unit:  Store the pump in a sheltered dry place with normal air humidity of 60%. For storing a pump that has been in operation already, consider chapter 6.6. Ret ur n of pum p ...

  • Page 16: Installation / Mounting

    5. I nst allat ion / Mount ing 5. I nst allat ion / Mount ing 5.1 Saf et y I nst r uct ions Improper installation in explosive area DANGER Danger of explosion!  Consider the local applicable explosion proof regulations. ...

  • Page 17: Piping

    5. I nst allat ion / Mount ing Piping Exceedance of the allowable loads at the pump flanges DANGER Danger to life from leaking hot, toxic, caustic or flammable liquids.  Do not use the pump as an anchor point for piping. ...

  • Page 18: Insulation

    5. I nst allat ion / Mount ing Top flange Flange   Fx [N] Fy [N] Fz [N] F [N] Mx [Nm] My [Nm] Mz [Nm] M [Nm] DN 15 ½ " DN 25 1 " Side flange Flange ...

  • Page 19: Electrical Connection Of The Pump Unit

    5. I nst allat ion / Mount ing Heat accumulation in the motor lantern ATTENTI ON Bearing damage!  Do not insulate the motor lantern Elect r ical connect ion of t he pum p unit Improper electrical installation DANGER Danger of explosion! ...
  • Page 20 5. I nst allat ion / Mount ing 5.6.1 Checking rotating direction Temperature rise through parts touching each other DANGER Danger of explosion!  Never check rotating direction with dry pump. Wrong rotating direction of motor and pump ATTENTI ON Damage of the pump! ...

  • Page 21: Commissioning / Decommissioning

    6. Com m issioning / Decom m issioning 6. Com m issioning / Decom m issioning 6.1 Com m issioning The following points must be checked prior to start-up:  The pump unit is correctly electronically connected to all relevant protective devices. ...

  • Page 22: Operating The Pump

    6. Com m issioning / Decom m issioning 4. When the pressure gauge indicates pressure, open shut-off valve on discharge side until the duty point is reached. Elevated temperature through decoupling of the magnet coupling DANGER Danger of explosion!  Switch off pump unit immediately.

  • Page 23: Switching Off The Pump

    6. Com m issioning / Decom m issioning 6.4.2 Switching frequencies Elevated surface temperature of the motor DANGER Danger of explosion!  When using explosion proof motors, consider the information in the motor manual regarding switching frequencies. The switching frequencies are defined by the maximum temperature rise of the motor and depend on the power reserve of the motor during operation and on the starting conditions.

  • Page 24: Maintenance / Servicing / Inspection

    7. Maint enance / Ser vicing / I nspect ion 7. Maint enance / Ser vicing / I nspect ion 7.1 Saf et y r egulat ions Improper maintained pump unit DANGER Danger of explosion!  Maintain the pump unit regularly ...

  • Page 25: Operating Surveillance

    7. Maint enance / Ser vicing / I nspect ion Oper at ing sur veillance Elevated surface temperature through hot running antifriction bearings DANGER Danger of explosion! Fire hazard!  Check antifriction bearings regularly for running noise. Wear caused by dry run ATTENTI ON Damage of the pump! ...

  • Page 26: Disassembly Of Pump Unit

    7. Maint enance / Ser vicing / I nspect ion Disassem bly of pum p unit 7.4.1 General instructions  Pay attention to safety instructions of chapter 7.1.  Working on the motor requires observance of the documentation provided by the motor manufacturer. ...
  • Page 27 7. Maint enance / Ser vicing / I nspect ion 7.4.4 Disassembly of motor lantern / drive rotor The works according to chapter 7.4.2 are completed. 1. Loosen inner hexagon cap screws 914.2. 2. Pull off motor lantern 341. 3. Loosen grub screws 904.1 in the rotor hub. If available, loosen inner hexagon cap screw 914.5 and pull off the intermediate ring 506.
  • Page 28 7. Maint enance / Ser vicing / I nspect ion Fig. 5: disassembly of impeller 7.4.7 Disassembly of rotor The works according to chapter 7.4.6 are completed. 1. Clamp the pump shaft in a vise. 2. Loosen hexagon nut 920.3 (left hand thread). 3.

  • Page 29: Inspection

    7. Maint enance / Ser vicing / I nspect ion I nspect ion 7.5.1 Impellers, suction and pressure disks Selfpriming capability is highly dependent on the axial clearance between impellers and suction and pressure disks. The manufacturing tolerances are calculated such that the total axial clearance is 0,1 mm (WPM 10) respectively 0,15 mm (WPM 20/23).
  • Page 30 7. Maint enance / Ser vicing / I nspect ion Hitting of rotor against containment shell or of containment shell against coupling WARNI NG half through magnetic forces Damage of magnets and bearing! Risk of injury!  Strictly follow the assembling instructions. Improper handling and lifting of heavy components WARNI NG Personal injury and material damage!
  • Page 31 7. Maint enance / Ser vicing / I nspect ion 3. Fit the suction casing 106 with shrink fitted sleeve bearing 310 in the centring of intermediate flange. Do not forget the O-ring 412.2 (WPM 20/23). 4. Assemble the side channel stages as follows: (Don’t forget O-rings 412.1) ...

  • Page 32: Bolt Torques

    7. Maint enance / Ser vicing / I nspect ion Tilting the pump WARNI NG Squeezing of hands and feet!  Secure the pump by lifting or bracing. 7. Maint enance / Ser vicing / I nspect ion Outer magnets are touching the containment shell ATTENTI ON Damage of containment shell or outer magnets! ...

  • Page 33: Trouble Shooting

    8. Tr ouble Shoot ing 8. Tr ouble shoot ing Failure Number Pump delivers no or not enough liquid Motor is overloaded Pump is leaking Increased noises and vibrations Inadmissible temperature increase Sleeve bearing damage Suction capacity too low Failure number Problem Elimination Pump or piping not completely...
  • Page 34 8. Tr ouble Shoot ing Störungsnummer Ursache Beseitigung Torque of magnet coupling devalued Check torque Rated flow too low Increase rated flow Shut down the motor and restart Magnet coupling decoupled Check start-up safety Consult the factory Increased thrust load Consult the factory Temperature monitor on containment shell...

  • Page 35: Interchangeability

    9. I nt er changeabilit y 9. I nt er changeabilit y WPM E3 01.18.doc 35 of 41...

  • Page 36: Sectional Drawings

    10. Sect ional dr aw ings 10. Sect ional dr aw ings 10.1 WPM 10 WPM E3 01.18.doc 36 of 41...

  • Page 37: Wpm 20

    10. Sect ional dr aw ings 10.2 WPM 20 Top magnet coupling = 18 mm magnet length Bottom magnet coupling = 36 mm magnet length WPM E3 01.18.doc 37 of 41...
  • Page 38 10. Sect ional dr aw ings 10.2.1 Motor size 71 - 90 10.2.2 Motor size 182/184 TC WPM E3 01.18.doc 38 of 41...

  • Page 39: Wpm 23

    10. Sect ional dr aw ings 10.3 WPM 23 WPM E3 01.18.doc 39 of 41...

  • Page 40: Certificates

    11.1 EC-Declar at ion of Conf or m it y EC-Declaration of Conformity according to EC-Machinery Directive 2006/42/EG, Annex II, No. 1A DICKOW PUMPEN KG Siemensstraße 22 D-84478 Waldkraiburg Herewith we declare that the pump unit described in the data sheet...

  • Page 41: Document Of Compliance

    11. Cer t if icat es 11.2 Docum ent of Com pliance Document of Compliance Please fill in this statement for health innocuousness completely and attach it to the pump to be returned to the factory. Pump data Type: Serial No.: PB Reason for shipment Contamination of the pump Hazardous liquids were not handled...

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