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Vacuum pumps

LEMB/LEMA Vacuum pumps LEMB/LEMA liquid ring vacuum pumps are displacement single-stage pumps to handling and exhausting of dry and humid gases, entrained liquid can be handled during normal duty with the following particular features: Non-polluting due to nearly isothermal compression Oil-free, as no lubrication in the working chamber Handling of gases and vapours Small quantities of entrained liquid can be handled Easy maintenance and reliable operation Low noise and nearly free from vibration Protection against cavitation as standard Incorporated dirt drain Incorporated central drain No metallic contact of the rotating parts Material housing - Stainless steel (SS) or Cast iron (GG) Material impeller - Stainless steel (SS) or Duplex


LEMA 26

DescriptionDenominationPart NoAdd to cart
1.1 kW, 50/60 Hz, GG/SS
Capacity at 80 mbar (ABS): 17/22 m³/h
Power: 50Hz 230-400 V +10/-15%
Power: 60Hz 265-460 V +5/-25%
Max. admissible temp: 80 degree C
Material housing: 0.6025
Material impeller: 1.4308
LEMA 26 AZ AAE 0K 7 2A IE3 90524-2456 
   
1.1 kW, 50/60 Hz, SS/SS
Capacity at 80 mbar (ABS): 17/22 m³/h
Power: 50Hz 230-400 V +10/-15%
Power: 60Hz 265-460 V +5/-25%
Max. admissible temp: 80 degree C
Material housing: 1.4408
Material impeller: 1.4408
LEMA 26 AZ AA1 4B 7 2A IE3 90524-2473 
   

LEMA 51

DescriptionDenominationPart NoAdd to cart
1.5/2.2 kW, 50/60 Hz, GG/Duplex
Capacity at 80 mbar (ABS): 33/38 m³/h
Power: 50Hz 230-400 V +10/-15%
Power: 60Hz 265-460 V +5/-25%
Max. admissible temp: 80 degree C
Material housing: 0.6025
Material impeller: 1.4517
LEMA 51 AZ AAE 0E 7 2A IE3 90524-2457 
   
1.5/2.2 kW, 50/60 Hz, SS/Duplex
Capacity at 80 mbar (ABS): 33/38 m³/h
Power: 50Hz 230-400 V +10/-15%
Power: 60Hz 265-460 V +5/-25%
Max. admissible temp: 80 degree C
Material housing: 1.4408
Material impeller: 1.4517
LEMA 51 AZ AA1 4B 7 2A IE3 90524-2458 
   

LEMB 91

DescriptionDenominationPart NoAdd to cart
2.2 kW, 50 Hz, GG/SS
Capacity at 80 mbar (ABS): 48 m³/h
Power: 50Hz 220-240/380-400 V +/-5%
Max. admissible temp: 80 degree C
Material housing: 0.6025
Material impeller: 1.4308
LEMB 91 AZ AAE 0K 0 2D IE3 90524-2459 
   
2.2 kW, 50 Hz, SS/SS
Capacity at 80 mbar (ABS): 48 m³/h
Power: 50Hz 220-240/380-400 V +/-5%
Max. admissible temp: 80 degree C
Material housing: 1.4408
Material impeller: 1.4408
LEMB 91 AZ AA1 4B 0 2D IE3 90521-5772 
   
2.75/3.3 kW, 50/60 Hz, GG/SS
Capacity at 80 mbar (ABS): 48/57 m³/h
Power: 50Hz 220-240/380-400 V +/-5%
Power: 60Hz 254-280/440-480 V +/-5%
Max. admissible temp: 80 degree C
Material housing: 0.6025
Material impeller: 1.4308
LEMB 91 AZ AAE 0K 0 2A IE3 90524-2460 
   
2.75/3.3 kW, 50/60 Hz, SS/SS
Capacity at 80 mbar (ABS): 48/57 m³/h
Power: 50Hz 220-240/380-400 V +/-5%
Power: 60Hz 254-280/440-480 V +/-5%
Max. admissible temp: 80 degree C
Material housing: 1.4408
Material impeller: 1.4408
LEMB 91 AZ AA1 4B 0 2A IE3 90524-2462 
   

LEMB 126

DescriptionDenominationPart NoAdd to cart
3 kW, 50 Hz, GG/SS
Capacity at 80 mbar (ABS): 72 m³/h
Power: 50Hz 220-240/380-400 V +/-5%
Max. admissible temp: 80 degree C
Material housing: 0.6025
Material impeller: 1.4308
LEMB 126 AZ AAE 0K 0 2D IE3 90524-2068 
   
3 kW, 50 Hz, SS/SS
Capacity at 80 mbar (ABS): 72 m³/h
Power: 50Hz 220-240/380-400 V +/-5%
Max. admissible temp: 80 degree C
Material housing: 1.4408
Material impeller: 1.4408
LEMB 126 AZ AA1 4B 0 2D IE3 90524-2464 
   
4/4.5 kW, 50/60 Hz, GG/SS
Capacity at 80 mbar (ABS): 72/83 m³/h
Power: 50Hz 220-240/380-400 V +/-5%
Power: 60Hz 254-280/440-480 V +/-5%
Max. admissible temp: 80 degree C
Material housing: 0.6025
Material impeller: 1.4308
LEMB 126 AZ AAE 0K 0 2C IE3 90525-7504 
   
4/4.5 kW, 50/60 Hz, SS/SS
Capacity at 80 mbar (ABS): 72/83 m³/h
Power: 50Hz 220-240/380-400 V +/-5%
Power: 60Hz 254-280/440-480 V +/-5%
Max. admissible temp: 80 degree C
Material housing: 1.4408
Material impeller: 1.4408
LEMB 126 AZ AA1 4B 0 2C IE3 90524-2465 
   

LEMB 161

DescriptionDenominationPart NoAdd to cart
4 kW, 50 Hz, GG/SS
Capacity at 80 mbar (ABS): 120 m³/h
Power: 50Hz 380-420/660-725 V +/-5%
Max. admissible temp: 80 degree C
Material housing: 0.6025
Material impeller: 1.4308
LEMB 161 8Z AAE 0K 0 2B IE3 90524-2466 
   
4 kW, 50 Hz, SS/SS
Capacity at 80 mbar (ABS): 120 m³/h
Power: 50Hz 380-420/660-725 V +/-5%
Max. admissible temp: 80 degree C
Material housing: 1.4408
Material impeller: 1.4408
LEMB 161 8Z AA1 4B 0 2B IE3 90524-2467 
   
5/6 kW, 50/60 Hz, GG/SS
Capacity at 80 mbar (ABS): 120/157 m³/h
Power: 50Hz 380-420/660-725V +/-5%
Power: 60Hz 440-480V +/-5%
Max. admissible temp: 80 degree C
Material housing: 0.6025
Material impeller: 1.4308
LEMB 161 8Z AAE 0K 0 2A IE3 90524-2134 
   
5/6 kW, 50/60 Hz, SS/SS
Capacity at 80 mbar (ABS): 120/157 m³/h
Power: 50Hz 380-420/660-725 V +/-5%
Power: 60Hz 440-480 V +/-5%
Max. admissible temp: 80 degree C
Material housing: 1.4408
Material impeller: 1.4408
LEMB 161 8Z AA1 4B 0 2A IE3 90524-2468 
   

LEMA 251

DescriptionDenominationPart NoAdd to cart
5.5 kW, 50 Hz, GG/SS
Capacity at 80 mbar (ABS): 183 m³/h
Power: 50Hz 380-420/660-725 V +/-5%
Max. admissible temp: 80 degree C
Material housing: 0.6025
Material impeller: 1.4308
LEMA 251 9Z B3N 0K 7 2C IE3 90524-2469 
   
5.5 kW, 50 Hz, SS/Duplex
Capacity at 80 mbar (ABS): 183 m³/h
Power: 50Hz 380-420/660-725 V +/-5%
Max. admissible temp: 80 degree C
Material housing: 1.4408
Material impeller: 1.4517
LEMA 251 9Z BLU 4B 7 2C IE3 90524-2471 
   
6.7/8 kW, 50/60 Hz, GG/SS
Capacity at 80 mbar (ABS): 183 m³/h
Power: 50Hz 380-420/660-725 V +/-5%
Power: 60Hz 440-480 V +/-5%
Max. admissible temp: 80 degree C
Material housing: 0.6025
Material impeller: 1.4308
LEMA 251 9Z B3N 0K 7 2A IE3 90524-2470 
   
6.7/8 kW, 50/60 Hz, SS/Duplex
Capacity at 80 mbar (ABS): 183 m³/h
Power: 50Hz 380-420/660-725 V +/-5%
Power: 60Hz 440-480 V +/-5%
Max. admissible temp: 80 degree C
Material housing: 1.4408
Material impeller: 1.4517
LEMA 251 9Z BLU 4B 7 2A IE3 90524-2472 
   

LEMA 325

DescriptionDenominationPart NoAdd to cart
11/12 kW, 50/60 Hz, GG/SS
Capacity at 80 mbar (ABS): 232/273 m³/h
Power: 50Hz 380-420/660-725 V +/-5%
Power: 60Hz 440-480 V +/-5%
Max. admissible temp: 80 degree C
Material housing: 0.6025
Material impeller: 1.4408
LEMA 325 AZ AAE 0E 4 2C IE3 90521-1223 
   
11/12.8 kW, 50/60 Hz, SS/SS
Capacity at 80 mbar (ABS): 232/273 m³/h
Power: 50Hz 380-420/660-725 V +/-5%
Power: 60Hz 440-480 V +/-5%
Max. admissible temp: 80 degree C
Material housing: 1.4408
Material impeller: 1.4408
LEMA 325 AZ AA1 4B 0 2C IE3 90521-1224 
   

LEMA 425

DescriptionDenominationPart NoAdd to cart
15/16.5 kW, 50/60 Hz, GG/SS
Capacity at 80 mbar (ABS): 300/375 m³/h
Power: 50Hz 380-420/660-725 V +/-5%
Power: 60Hz 440-480 V +/-5%
Max. admissible temp: 80 degree C
Material housing: 0.6025
Material impeller: 1.4408
LEMA 425 AZ AAE 0E 4 2A IE3 90521-1227 
   
15/16.5 kW, 50/60 Hz, SS/SS
Capacity at 80 mbar (ABS): 300/375 m³/h
Power: 50Hz 380-420/660-725 V +/-5%
Power: 60Hz 440-480 V +/-5%
Max. admissible temp: 80 degree C
Material housing: 1.4408
Material impeller: 1.4408
LEMA 425 AZ AA1 4B 0 2A IE3 90521-1226 
   

 

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