background image

Series MNKA, 

acc. to ASME

 

Page 3

 

9250-050-en 

Revision  11 

TM 7903

 

Edition   07/2010 

Relevant documents  

Data sheet  
Works certificate  
Sectional drawing MNKA long life grease lubrication 

 

Group 1 

9250-00-3000 

Group 2 

9250-00-3002 

Sectional drawing MNKA oil bath  lubrication 

 

Group 1 

9250-00-3001 

Group 2 

9250-00-3003 

Outline drawing  

9250-00-3016 

Drawing removing clearance 
MNKA, MNKA-B  

9250-00-3006 

Drain connection  

9250-00-3007 

*

Shock pulse measurement in the rolling bearing  

 

9250-00-3011 

*

Plain  bearing  pedestal  with  external  flushing 
connection  

9250-00-3008 

*

Performance curves  
Spare parts list  

Operating  manual  and  declaration  of  conformity 
motor * 
Operating  manual  and  declaration  of  conformity 
coupling * 

* if 

contained in the scope of delivery 

 

Appendix to the operating instructions 

Operational limits 9250-00-3030 
Declaration of conformity with ATEX 
Declaration of conformity without ATEX 
Form  for  Safety  Information  Concerning  the 
Contamination QM 0912-16-2001_en 

On request: 

Product  Manual  documents  can  be  sent  on 
request, e.g. magnet drive data or nozzle forces.  
Publication:  "Centrifugal  Pump  Operation  without 
NSPH Problems". 
Publication  "Safe  Operation  of  Magnetic  Drive 
Pumps“.  

 

1

Technical data 

Manufacturer : 

Richter Chemie-Technik GmbH 
Otto-Schott-Str. 2 
D-47906 Kempen 
Telephone:  +49 (0) 2152 146-0 
Fax:  

+49 (0) 2152 146-190 

E-Mail:  

[email protected]

Internet:  

http://www.richter-ct.com

Authorised person acc. to machinery directive 
2006/42/EG: Gregor Kleining 

Designation : 

Single-stage,  plastic-lined,  magnetic  drive  chemical 
centrifugal  pump,  series  MNKA,  long  life  grease  and 
oil bath lubrication  
Heavy-duty  horizontal  design,  sealless,  free  of  eddy 
currents  
Technical specifications and connecting dimensions to 
ASME B73.3M table 1, ISO 15783, DIN ISO 5199 and 
„Hydraulic  Institute  Sealless  Pump  Standards  and 
referenced standards“ 
Flange connecting dimensions:
ASME B16.5, class 150 
ATEX 95   European Directive 94/9/EC 
Machine Directive  European 2006/42/EC 

Materials : 

Pressure-bearing parts:
ductile cast iron ASTM A395 (EN-JS 1049 to DIN EN 
1563), carbon fibre composite material 

Wetted parts :
PFA,  PTFE,  SSiC/hard  carbon  (Option  SSiC/SSiC, 
SSiC with SAFEGLIDE

©

PLUS), FFKM 

and see data sheet 

Flow rate :  

up to 396 USgpm – 60 Hz

 

up to  90 m

3

/h 

(bei 3500 1/min) 

Delivery head :

  bis 479 ft – 60 Hz  

 

bis 146 m FS 

(at 3500 rpm)

 

Housing discharge pressure:  

max. 475 psi (19 bar) 
detailed data see pressure-temperature diagram 

Temperature range: 

Standard:  - 20 °F to + 300 °F 
 

- 30 °C to + 150 °C 

Option: 

- 20 °F to + 360 °F 

 

- 30 °C to + 180 °C 
Drive  magnet  assembly  with  magnets 
made of samarium-cobalt (SmCo) 

Note:

Consult the manufacturer for higher pressures 
and lower or higher temperatures. 

Temperature classes:

 see Section 2.6.7

Admissible ambient conditions for pumps 
acc. to directive 94/9/ EG (ATEX 95) : 

Ambient temperature range:

  4 °F bis    104 °F  

 

- 20 °C to + 40 °C 

(higher temperature after consulting the manufacturer) 

Ambient pressure range:

  11.6 psia – 16 psia 

 

0,8 bar

abs

  to  1,1 bar

abs

Содержание ASME Series

Страница 1: ...rt installation operation and maintenance Subject to change without notice Reproduction is generally permitted with indication of the source Richter Chemie Technik GmbH 9250 050 en Revision 11 Edition...

Страница 2: ...Coupling guard 13 5 11 Electric connection 13 6 Commissioning Shutdown 14 6 1 Initial commissioning 14 6 1 1 Filling the pump housing casing 14 6 1 2 Start up 14 6 2 Operating limits 14 6 2 1 Abrasiv...

Страница 3: ...et http www richter ct com Authorised person acc to machinery directive 2006 42 EG Gregor Kleining Designation Single stage plastic lined magnetic drive chemical centrifugal pump series MNKA long life...

Страница 4: ...ws flanges to ASME DN No x size Tightening torque inch ASME Nm in lbs 1 4 x 8 70 1 4 x 15 135 2 4 x S 25 220 3 4 x S 45 400 1 2 Name plate dry running ATEX and housing casing markings The stainless st...

Страница 5: ...e series MNKA ASME are sealless plastic lined magnetic drive centrifugal pumps for the leak free conveyance of aggressive toxic pure and inflammable liquids The pump is equipped with a permanent magne...

Страница 6: ...ring transport and storage of the magnetic drives as single components the notes on safety in Section 7 5 2 must be observed The points listed in Section 6 1 must be followed before recommissioning 2...

Страница 7: ...er 9 3 allows no temperature class or temperature to be indicated The temperature class must be determined by the operated in accordance with Section 2 6 7 Temperature limits 2 6 5 Check of the direct...

Страница 8: ...data sheet The plant customer must ensure that the prescribed operating temperature is observed The maximum admissible temperature of the liquid medium at the pump inlet depends on the temperature cl...

Страница 9: ...as possible Elastomers are to be protected against UV light In general a storage period of 10 years should not be exceeded An admissible storage period of 4 years applies to elastomers made of NBR If...

Страница 10: ...ainment shell chamber is also vented and evacuated through the bores in the plain bearing pedestal 339 Additional information is provided in the brochure and the Product manual 5 Installation 5 1 Safe...

Страница 11: ...sitive suction head must also be observed The NPSHR value required for the pump is specified in the data shee The NPSHR available in the plant should be at least 1 64 ft 0 5 m higher than the NPSHR re...

Страница 12: ...Problems on request 5 7 Drive The power consumption of the pump at the operating design point is specified in the data sheet and works certificate If the operating design point was not known when the...

Страница 13: ...t prevention regulations It must be ensured that the coupling guard used is either made of spark free material or the impact test required by the EN 13463 is satisfied without any reservations Richter...

Страница 14: ...turned by hand Check the direction of rotation of the motor with the coupling disengaged or with a rotary field instrument As viewed from the motor the direction of rotation of the pump is clockwise S...

Страница 15: ...connection with explosion protection potential sources of ignition overheating electrostatic and induced charges mechanical and electric sparks may result from these inadmissible modes of operation t...

Страница 16: ...index approx 85 Kinematic viscosity at 104 F 40 C s 2 mm 40 appr A fully synthetic gear oil to ISO VG 220 is to be used for temperatures below 68 F 20 C Replacing the bearings The ball bearings are de...

Страница 17: ...ta carriers such as credit cards cheque cards ID cards with magnetic strips or magnetic tape 6 150 mm distance 7 6 Dismantling There are 3 possibilities for dismantling 1 Remove the complete pump from...

Страница 18: ...ure that no plain bearing parts fall Silicon carbide is easy to break Use isolated gloves when handling hot bearings Failure to follow this instructions may result in property damage sever personal in...

Страница 19: ...screw 914 1 with tooth lock washer 936 1 Secure thread with a drop of Loctite for example For tightening a hex socket key with 120 mm minimum length is required Screw bearing pedestal 330 lantern 344...

Страница 20: ...ightening the housing casing screws 901 3 make sure that the support bracket 183 is firmly positioned If necessary undo support bracket align and secure again For tightening torques see Section 1 1 7...

Страница 21: ...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 Gas in the...

Страница 22: ...61 rear bearing cover 400 1 flat gasket 401 housing gasket casing gasket 412 3 O ring 415 1 centering gasket 504 distance ring 509 1 intermediate ring 529 x bearing sleeve 545 x bearing bush 557 2 con...

Страница 23: ...Series MNKA acc to ASME Page 23 9250 050 en Revision 11 TM 7903 Edition 07 2010 9 2 MNKA with long life grease lubrication...

Страница 24: ...Series MNKA acc to ASME Page 24 9250 050 en Revision 11 TM 7903 Edition 07 2010 9 3 MNKA with oil bath lubrication...

Страница 25: ...UMPEN CHEMICAL PROCESS PUMPS POMPE POUR L INDUSTRIE CHIMIQUE Baureihe Series S rie Ausf hrung Magnetkupplungspumpe ASME insatzgrenzen Design Magnet drive pump ASME operating limits Construction Pompe...

Страница 26: ...iled by below mentioned notified body according to directive 94 9 EC Physikalische Technische Bundesanstalt PTB D 38116 Braunschweig Baureihe Series Registrier Nr Registered Baureihe Series Registrier...

Страница 27: ...Interne Fertigungskontrolle Production Quality Assurance Angewandte EN 14121 harmonisierte Normen EN 809 Applied harmonised Standards Kennzeichnung 2006 42 EG Marking Das Unternehmen Richter Chemie T...

Страница 28: ...mination 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 rep...

Страница 29: ...logical 2 and with which cleaning method radioactive 3 1 if no then forward to D other pollutant 2 Aggregates which are contaminated with microbiological or explosive substances are only accepted with...

Страница 30: ...IOSTOFFV the procedures for the prevention of accidents as well as regulations to environmental protection e g the Waste Management Law AbfG and the Water Resources Act WHG An inspection repair of Ric...

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