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Series MNKA bearing pedestal assembly 4

Page 28

9250-003-en

Revision 01

TM 10458

Published 06/2022

10 Sectional drawing

10.1 Legend

100

Housing

122

Cover flange

159

Can

183

Support bracket

213

Drive shaft

230

Impeller

314/x

Axial bearing

321/x

Radial ball bearing

330

Bearing pedestal

339

Plain bearing pedestal

344

Lantern

361

Rear bearing cover

401

Housing gasket

404

Plain bearing 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

554/x

Washer

557/2

Contact washer

858

Drive rotor

859

Pump rotor

901/x

Hexagon screw

902/x

Stud screw

914/x

Inner hexagon screw

920/x

Hexagon nut

934/4

Spring washer

940/1

Feather key

953/1

Wave spring washer

Additionally for oil bath lubrication

411/1

Sealing ring

421/x

Rotary shaft seal

638/1

Oil level controller

655/1

Oil drain screw

672/1

Venting and filling nozzle

911/1

Hexagon reducer

Only MNKA 3x2x13 and MNKA 3x1.5x13

Содержание MNKA Series

Страница 1: ...rt installation operation and maintenance Subject to change without prior notice Reprinting is generally permitted provided that the source is credited Richter Chemie Technik GmbH 9250 003 en Revision...

Страница 2: ...tion 13 6 Commissioning shutdown 14 6 1 First commissioning 14 6 1 1 Filling the pump housing 14 6 1 2 Startup 14 6 2 Operating limits 14 6 2 1 Abrasive media 14 6 2 2 Minimum maximum flow rate 14 6 3...

Страница 3: ...6 0 Fax 49 2152 146 190 E mail richter info idexcorp com Internet http www richter ct com Authorized representative in accordance with EC Machinery Directive 2006 42 EC Gregor Kleining Designation Sin...

Страница 4: ...0 4 x M16 270 30 3 80 8 x M16 220 25 4 100 8 x M16 310 35 6 150 8 x M20 620 70 Flanges according to ASME drilled according to DIN ISO PN25 DN Number x size Tightening torque inch mm DIN ISO in lb Nm 1...

Страница 5: ...machine system Failure of electronic devices and measuring in struments due to magnetic fields Danger to persons and their personal property from magnetic fields Danger to persons from electrical mech...

Страница 6: ...he unit described in the operating instructions See section 6 3 Pumps that convey media harmful to health must be decontaminated All safety and protective facilities are to be reinstalled and made fun...

Страница 7: ...r for other attachments and a corresponding marking must be present Example of the marking on the pump part When mounting the pump with non Ex components e g motor shaft coupling it is recommended to...

Страница 8: ...s no restrictions T4 is only valid for operation up to 1750 min 1 2 The can material is listed in the data sheet 3 If the temperature of the pumped liquid exceeds 180 C the ATEX approval becomes perma...

Страница 9: ...erature as possible Elastomers must be protected against UV radiation As a general rule do not exceed a storage period of 10 years For elastomer made of NBR the per missible storage period is 4 years...

Страница 10: ...y regulations Devices that are operated in poten tially explosive areas must comply with the explosion protection regula tions People with pacemakers are at risk from the strong magnetic field of the...

Страница 11: ...NPSHA present in the system should be at least 1 64 ft 0 5 m greater than the NPSHR required for the pump Otherwise a drop in pressure head cavitation or even pump failure will occur 5 4 2 Nozzle load...

Страница 12: ...on of the pump at the oper ating 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...

Страница 13: ...red that the coupling guard used is either made of non sparking material or fulfills the im pact resistance test required by EN 13463 without impairment Richter offers both variants The operator must...

Страница 14: ...rge valve Monitor the venting process until no air but only liquid emerges Turn the drive shaft at the coupling a few times Monitor the venting process again until no more air emerges Close the discha...

Страница 15: ...the unit In terms of explosion protection potential ignition sources overheating electrostatic and induced charges mechanical and electrical sparks can result from these improper methods of operation...

Страница 16: ...7 2 2 Oil bath lubrication We recommend a mineral oil with the following characteristics for an expected bearing pedestal temperature of up to 158 F 70 C Viscosity index Approx 85 Kinematic viscosity...

Страница 17: ...Hold the individual parts of the magnetic couplings firmly or secure them Otherwise they could be attracted for example by a vice Risk of accident People with an artificial pacemaker Keep torso at a...

Страница 18: ...e because the can insert and can are bonded together 7 6 2 Dismantling the drive unit and long life lubrication system Remove socket head screw 914 5 with toothed lock washer 934 4 and pull off the pu...

Страница 19: ...2 onto drive shaft 213 Slide the drive shaft unit into bearing pedestal 330 fit the wave spring washer 953 1 and the rear bearing cover 361 and tighten all components using the cap screws 914 6 Tor q...

Страница 20: ...drive shaft 230 Apply two drops of Loctite 638 green to the thread of impeller shaft 230 apply FDA compliant grease to the fits e g Rivolta F L G GT 2 Mount plain bearing pedestal 339 and bearing bush...

Страница 21: ...ing bush 545 x of plain bearing pedestal 339 Lift plain bearing pedestal 339 together with im peller 230 using the 3 strand sling chain and make sure that the square engages in the seat of plain beari...

Страница 22: ...Series MNKA bearing pedestal assembly 4 Page 22 9250 003 en Revision 01 TM 10458 Published 06 2022 Lower bearing pedestal 339 together with impeller 230 above pump rotor 859...

Страница 23: ...r pyramid on the threaded rods and an open end wrench size 13 press the drive unit into the lantern chamber In the process turn the threaded rods evenly in alternation Attention Magnetic forces Risk o...

Страница 24: ...t and insert it into the holder If the oil level still drops too far add oil to the oil level controller again 7 9 Tests The pumps are tested with water at the manufacturer s The measured operating da...

Страница 25: ...o low or the NPSHR 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...

Страница 26: ...Series MNKA bearing pedestal assembly 4 Page 26 9250 003 en Revision 01 TM 10458 Published 06 2022 9 Exploded view drawing 9 1 Long life lubrication...

Страница 27: ...Series MNKA bearing pedestal assembly 4 Page 27 9250 003 en Revision 01 TM 10458 Published 06 2022 9 2 Oil bath lubrication...

Страница 28: ...Plain bearing 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 554 x Washer 557 2 Contact washer 858 Drive rotor 859 Pump...

Страница 29: ...Series MNKA bearing pedestal assembly 4 Page 29 9250 003 en Revision 01 TM 10458 Published 06 2022 10 2 Sectional drawing...

Страница 30: ...Series MNKA bearing pedestal assembly 4 Page 30 9250 003 en Revision 01 TM 10458 Published 06 2022 10 3 Sectional drawing of oil bath lubrication...

Страница 31: ...sing them to expand radially This creates a frictional connection between the device and the plain bearing bush that is gentle on the material The bearing bush can now be removed by axial impact on th...

Страница 32: ...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 duty band wrench whic...

Страница 33: ...hter Chemie Technik GmbH Baureihe Series Serie Ausf hrung Magnetkupplungspumpe MNKA Design Magnet drive pump Group 4 Einsatzgrenzen operating limits 1 Baugr e size MNKA 6x4x13 MNKA 4x3x13 MNKA 3x2x13...

Страница 34: ...lungspumpe MNKA Design Magnet drive pump Group 4 Construction Pompe entra nement magn tique 9250 00 3046 4 00 TM 10432 31 03 22 2 2 1 2 3 4 Standard Class 150 version Standard Class 300 version Except...

Страница 35: ......

Страница 36: ......

Страница 37: ...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...

Страница 38: ...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...

Страница 39: ...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...

Страница 40: ...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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