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INSTALLATION AND OPERATING MANUAL

Translation of the original manual

Keep for future use!
transport, installation, operation and maintenance
transport, installation, operation and maintenance
Subject to change without notice.
Reproduction is generally permitted with indication of the source.
© Richter Chemie-Technik GmbH.

9230-003-en

Revision 19 Edition 06/2022

Series MNK

Sealless Chemical
Magnetic Drive Pump

Bearing lubrication: long life grease or oil

bath

Bearing pedestal group: 4

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Summary of Contents for MNK Series

Page 1: ...transport installation operation and maintenance Subject to change without notice Reproduction is generally permitted with indication of the source Richter Chemie Technik GmbH 9230 003 en Revision 19...

Page 2: ...14 6 1 Initial commissioning 14 6 1 1 Filling the pump housing 14 6 1 2 Start up 14 6 2 Operating limits 14 6 2 1 Abrasive media 14 6 2 2 Min max flow rate 15 6 3 Shutdown 15 6 4 Restarting 15 6 5 Im...

Page 3: ...t Str 2 D 47906 Kempen Telephone 49 0 2152 146 0 Fax 49 0 2152 146 190 E Mail richter info idexcorp com Internet http www richter ct com Authorised person acc to machinery directive 2006 42 EG Gregor...

Page 4: ...illed to ASME 150 lbs DN No x size Tightening torque mm inch ASME Nm in lbs 100 4 8 x 35 310 125 5 8 x 55 485 150 6 8 x 80 710 200 8 8 x 115 1020 1 2 Type plate dry running ATEX and housing markings T...

Page 5: ...s used in potentially explosive areas special attention is to be paid to the sections identified with Ex in this operating manual 2 1 Intended use Richter pumps of the series MNK 200 150 315 is a plas...

Page 6: ...so Sec tion 5 1 and 7 5 2 are observed the magnetic drives do not cause any risks or have any affect on the envi ronment It is imperative to observe the notes on safety in Section 7 5 2 during disman...

Page 7: ...on For assembling the pump with components which are not explosion protected e g motor shaft coupling it is recommended to mask or remove the potentially explosive identification from the pump compone...

Page 8: ...ature of the pumped liquid exceeds 180 C the ATEX approval becomes permanently invalid The ATEX plate must be removed immediately by the operator A new ATEX approval can only be issued by a judge For...

Page 9: ...ssi ble Elastomers are to be protected against UV light Generally a storage period of 10 years does not ex ceeded An admissible storage period of 4 years ap plies to elastomers made of NBR If magnetic...

Page 10: ...vented and evacuated through the bores in the plain bearing pedestal Additional information is provided in the brochure 5 Installation 5 1 Safety regulations Equipment which is operated in potentially...

Page 11: ...he NPSHR required for the pump Otherwise this will lead to a drop in the delivery head cavita tion or even failure of the pump 5 4 2 Nozzle loads The pump can be subjected to nozzle loads acc to DIN E...

Page 12: ...mp at the operating point is specified in the data sheet or factory certificate If the operating point is not known when the pump is delivered the power requirement can be taken from the corresponding...

Page 13: ...or fulfills the impact resistance test required by DIN EN ISO 80079 36 without any problem It must be ensured that the coupling guard used is ei ther made of spark free material or the impact test re...

Page 14: ...tor the venting operation again until no more air emerges Close the discharge valve again until only the minimum flow rate is obtained after the motor has been started 6 1 2 Start up Check to see whet...

Page 15: ...brief periods may result in serious damage to the unit In connection with explosion protection potential sources of ignition overheating electrostatic and induced charges mechanical and electric spark...

Page 16: ...bearings 7 2 2 Oil bath lubrication With an expected bearing temperature of about 70 C we recommend a mineral oil with the following charac teristics Viscosity index approx 85 Kinematic viscosity at...

Page 17: ...urer Hold magnetic drives as single parts firmly or secure Otherwise they could be attracted for example by a vice Risk of accident People with an artificial pacemaker Keep torso at a minimum distance...

Page 18: ...tight design it is not possible to sep arate the can insert as it and the can are glued to gether 7 6 2 Dismantling drive unit Long life grease lubrication Remove the cylinder screw 914 5 with toothe...

Page 19: ...roller bearings 321 1 and 321 2 on the drive shaft 213 Push drive shaft unit into the bearing pedestal 330 mount wavy spring washer 953 1 and rear bearing cover 361 and tighten all components with the...

Page 20: ...ger thread of the drive shaft 213 with two drops of Loctite 638 green provide the shaft basis fit on both sides with FDA approved fat for example Rivolta F L G GT 2 and screw it into the impeller 230...

Page 21: ...3 leg chain sling and make sure that the square fits in the plain bear ing bush 545 x As threadlocking provide the thread of the pump shaft 211 with Loctite 243 blue Provide the shaft thread with 1 d...

Page 22: ...tern chamber using the flat pivot point of the threaded rods and an open jaw wrench size 13 The threaded rods must be turned evenly and alternately Caution Magnetic forces Risk of accident Remove thre...

Page 23: ...insert it into the holder If the oil level still drops too far add oil to the plastic container again Fig 6 7 9 Tests The pumps are tested with water at the manufacturer s The operating data measured...

Page 24: ...SHR too high Are the pipe resistances too high Is the viscosity too high Is the direction of rotation correct Is the speed too low or the impeller diameter too small Are pump parts worn Gas in the med...

Page 25: ...Series MNK pedestal group 4 Page 25 9230 003 en Revision 19 TM 10458 Edition 06 2022 9 Exploded drawing 9 1 Long life grease lubrication...

Page 26: ...Series MNK pedestal group 4 Page 26 9230 003 en Revision 19 TM 10458 Edition 06 2022 9 2 Oil bath lubrication...

Page 27: ...404 Bearing pedestal gasket 412 x o ring 415 1 centering gasket 509 1 intermediate ring 523 x shaft sleeve 529 x bearing sleeve 545 x bearing bush 552 3 tightening washer 554 x washer 557 2 contact di...

Page 28: ...Series MNK pedestal group 4 Page 28 9230 003 en Revision 19 TM 10458 Edition 06 2022 10 2 Sectional drawing long life grease lubrication X Y and Z see pump work certificate...

Page 29: ...Series MNK pedestal group 4 Page 29 9230 003 en Revision 19 TM 10458 Edition 06 2022 10 3 Sectional drawing oil bath lubrication X Y and Z see pump work certificate...

Page 30: ...radially This creates a friction connection between the device and the plain bearing bush which does not damage the material The bearing bush can now be removed by hitting the handle centre axially R...

Page 31: ...rsal impeller wrench To unscrew the impeller we recommend the use of the universal impeller wrench This tool can be used for all impeller diameters from 230 mm to 350 mm The tool consists of a heavy d...

Page 32: ...mbH Baureihe Series Serie Ausf hrung Magnetkupplungspumpe MNK Design Magnet drive pump Group 4 Einsatzgrenzen operating limits 1 Baugr e size MNK 200 150 315 MNK 125 100 315 1 3 2 3 1 Angelehnt an Fla...

Page 33: ...rding to A395 class150 the standard range can be increased to 30 C and 16 bar Standard PN25 version When used under ASME conditions ductile cast iron according to A395 class300 the standard range can...

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Page 36: ...ls The laws are such as the Health and Safety at Work Act ArbSt ttV the Ordinance on Harzadous Substances GefStoffV BIOSTOFFV the procedures for the prevention of accidents as well as regulations to e...

Page 37: ...tamination of the pumps valves and component sent in for repair On the basis of this information for the contractor is it possible to meet the necessary preventive action during the execution of the r...

Page 38: ...ch cleaning method radioactive3 1 if no then forward to D other pollutant 2 Aggregates which are contaminated with microbiological or explosive substances are only accepted with documented evidence of...

Page 39: ...ai Info idexcorp com Internet www richter ct com Richter Pumps Valves Inc 406 State Street Cedar Falls 50613 IA USA Tel 1 319 268 8038 Fax 1 319 273 8157 Email RichterCedarFalls Info idexcorp com Inte...

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