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Vacuum pumps

LEMD Liquid ring vacuum pumps Application LEMD 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. Benefits 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 Incorporated central drain No metallic contact of the rotating parts Features Material housing: Stainless steel (SS) or Cast iron (GG) Material impeller: Stainless steel or Duplex (SS) Maximum admissible temperature: 80 degree C Standard IEC-motor with approvals; IE3, IE4, NEMA, ATEX, CSA, UR, CC etc. 60Hz has CSA and UL as standard Voltage tolerances as per IEC 60034-1, long-term ±5%, short-term ±10% Motor bearings greased for lifetime Capacities correspond to LEMA & LEMB pumps according to: LEMD 27 < - > LEMA 26 LEMD 52 < - > LEMA 51 LEMD 92 < - > LEMB 91 LEMD 127 < - > LEMB 126 LEMD 162 < - > LEMB 161 LEMD 252 < - > LEMA 251 LEMD 327 < - > LEMA 325 LEMD 426 < - > LEMA 425


LEMD 27

DescriptionDenominationPart NoAdd to cart
1.1/1,25 kW, 50/60 Hz, GG/SS
Capacity at 80 mbar (ABS): 17/23 m³/h dry air
Voltage 50Hz (Y/D): 380-415/220-240 V
Voltage 60Hz (Y/D): 460/--- V
Connection: Threaded
Material housing: GG, (0.6025)
Material impeller: SS, (1.4308)
LEMD 27 EZ D52 0E 1 AA IE3  90530-8812 
   
1.1/1,25 kW, 50/60 Hz, SS/SS
Capacity at 80 mbar (ABS): 17/23 m³/h dry air
Voltage 50Hz (Y/D): 380-415/220-240 V
Voltage 60Hz (Y/D): 460/--- V
Connection: Threaded
Material housing: SS, (1.4408)
Material impeller: SS, (1.4408)
LEMD 27 EZ D5N VA 1 AA IE3 90530-8813 
   

LEMD 52

DescriptionDenominationPart NoAdd to cart
2,2/2,6 kW, 50/60 Hz, GG/SS
Capacity at 80 mbar (ABS): 35/47 m³/h dry air
Voltage 50Hz (Y/D): 380-415/220-240 V
Voltage 60Hz (Y/D): 460/--- V
Connection: Threaded
Material housing: GG, (0.6025)
Material impeller: SS, (1.4408)
LEMD 52 EZ D52 0E 1 AA IE3 90530-8814 
   
2,2/2,6 kW, 50/60 Hz, SS/SS
Capacity at 80 mbar (ABS): 35/47 m³/h dry air
Voltage 50Hz (Y/D): 380-415/220-240 V
Voltage 60Hz (Y/D): 460/--- V
Connection: Threaded
Material housing: SS, (1.4408)
Material impeller: SS, (1.4408)
LEMD 52 EZ D5N VA 1 AA IE3  90530-8815 
   

LEMD 92

DescriptionDenominationPart NoAdd to cart
3.0/3,5 kW, 50/60 Hz, GG/SS
Capacity at 80 mbar (ABS): 48/58 m³/h dry air
Voltage 50Hz (Y/D): 380-415/220-240 V
Voltage 60Hz (Y/D): 460/--- V
Connection: Threaded
Material housing: GG, (0.6025)
Material impeller: SS, (1.4408)
LEMD 92 EZ D4W 0E 1 AA IE3 90530-8816 
   
3.0/3,5 kW, 50/60 Hz, SS/SS
Capacity at 80 mbar (ABS): 48/58 m³/h dry air
Voltage 50Hz (Y/D): 380-415/220-240 V
Voltage 60Hz (Y/D): 460/--- V
Connection: Threaded
Material housing: SS, (1.4408)
Material impeller: SS, (1.4408)
LEMD 92 EZ D4J VA 1 AA IE3 90530-8817 
   

LEMD 127

DescriptionDenominationPart NoAdd to cart
3 kW, 50 Hz, GG/SS
Capacity at 80 mbar (ABS): 67 m³/h dry air
Voltage 50Hz (Y/D): 380-415/220-240 V
Connection: Threaded
Material housing: GG, (0.6025)
Material impeller: SS, (1.4408)
LEMD 127 EZ D4W 0E 1 AA IE3 90530-8818 
   
3 kW, 50 Hz, SS/SS
Capacity at 80 mbar (ABS): 67 m³/h dry air
Voltage 50Hz (Y/D): 380-415/220-240 V
Connection: Threaded
Material housing: SS, (1.4408)
Material impeller: SS, (1.4408)
LEMD 127 EZ D4J VA 1 AA IE3  90530-8819 
   
4/4.5 kW, 50/60 Hz, GG/SS
Capacity at 80 mbar (ABS): 67/86 m³/h dry air
Voltage 50Hz (Y/D): 380-415/220-240 V
Voltage 60Hz (Y/D): 460/--- V
Connection: Threaded
Material housing: GG, (0.6025)
Material impeller: SS, (1.4408)
LEMD 127 EZ D4W 0E 1 AB IE3 90530-8820 
   
4/4.5 kW, 50/60 Hz, SS/SS
Capacity at 80 mbar (ABS): 67/86 m³/h dry air
Voltage 50Hz (Y/D): 380-415/220-240 V
Voltage 60Hz (Y/D): 460/--- V
Connection: Threaded
Material housing: SS, (1.4408)
Material impeller: SS, (1.4408)
LEMD 127 EZ D4J VA 1 AB IE3  90530-8821 
   

LEMD 162 Cast iron threaded connection

DescriptionDenominationPart NoAdd to cart
5,5/6 kW, 50/60 Hz, GG/SS
Capacity at 80 mbar (ABS): 120 m³/h
Power: 50Hz 380-420/660-725 V +/-5%
Power: 60Hz 440-480 V +/-5%
Connection: Threaded
Material housing: GG, (0.6025)
Material impeller: SS, (1.4308)
LEMD 162 AZ D4W 0E 1 AA IE3 90530-8822 
   

LEMD 162 Stainless steel flange connection

DescriptionDenominationPart NoAdd to cart
5,5/6 kW, 50/60 Hz, SS/SS
Capacity at 80 mbar (ABS): 120 m³/h
Power: 50Hz 380-420/660-725 V +/-5%
Power: 60Hz 440-480 V +/-5%
Connection: Flange EN1092
Material housing: SS, (1.4408)
Material impeller: SS, (1.4408)
LEMD 162 CZ D4J VA 1 AA IE3 90530-8823 
   

LEMD 252

DescriptionDenominationPart NoAdd to cart
7,5/8 kW, 50/60 Hz, GG/SS
Capacity at 80 mbar (ABS): 160/200 m³/h dry air
Voltage 50Hz (Y/D): 660-690/380-415 V
Voltage 60Hz (Y/D): -/460 V
Connection: Flange EN1092
Material housing: GG, (0.6025)
Material impeller: SS, (1.4408)
LEMD 252 CZ D4W 0E 1 AB IE3 90530-8824 
   
7,5/8 kW, 50/60 Hz, SS/SS
Capacity at 80 mbar (ABS): 160/200 m³/h dry air
Voltage 50Hz (Y/D): 660-690/380-415 V
Voltage 60Hz (Y/D): ---/460 V
Connection: Flange EN1092
Material housing: SS, (1.4408)
Material impeller: SS, (1.4408)
LEMD 252 CZ D4J VA 1 AB IE3  90530-8825 
   

LEMD 327

DescriptionDenominationPart NoAdd to cart
11/12,6 kW, 50/60 Hz, GG/SS
Capacity at 80 mbar (ABS): 212/275 m³/h dry air
Voltage 50Hz (Y/D): 660-690/380-415 V
Voltage 60Hz (Y/D): ---/460 V
Connection: Flange EN1092
Material housing: GG, (0.6025)
Material impeller: SS, (1.4408)
LEMD 327 CZ D4W 0E 1 AA IE3 90530-8826 
   
11/12,6 kW, 50/60 Hz, SS/SS
Capacity at 80 mbar (ABS): 212/275 m³/h dry air
Voltage 50Hz (Y/D): 660-690/380-415 V
Voltage 60Hz (Y/D): ---/460 V
Connection: Flange EN1092
Material housing: SS, (1.4408)
Material impeller: SS, (1.4408)
LEMD 327 CZ D4J VA 1 AA IE3 90530-8827 
   

LEMD 427

DescriptionDenominationPart NoAdd to cart
11 kW, 50 Hz, GG/SS
Capacity at 80 mbar (ABS): 300/365 m³/h dry air
Voltage 50Hz (Y/D): 660-690/380-415 V
Connection: Flange EN1092
Material housing: GG, (0.6025)
Material impeller: SS, (1.4408)
LEMD 427 CZ D4W 0E 1 AA IE3 90530-8828 
   
11 kW, 50 Hz, SS/SS
Capacity at 80 mbar (ABS): 300/365 m³/h dry air
Voltage 50Hz (Y/D): 660-690/380-415 V
Connection: Flange EN1092
Material housing: SS, (1.4408)
Material impeller: SS, (1.4408)
LEMD 427 CZ D4J VA 1 AA IE3 90530-8829 
   
15/16,5 kW, 50/60 Hz, GG/SS
Capacity at 80 mbar (ABS): 300/365 m³/h dry air
Voltage 50Hz (Y/D): 660-690/380-415 V
Voltage 60Hz (Y/D): ---/460 V
Connection: Flange EN1092
Material housing: GG, (0.6025)
Material impeller: SS, (1.4408)
LEMD 427 CZ D4W 0E 1 AB IE3 90530-8830 
   
15/16,5 kW, 50/60 Hz, SS/SS
Capacity at 80 mbar (ABS): 300/365 m³/h dry air
Voltage 50Hz (Y/D): 660-690/380-415 V
Voltage 60Hz (Y/D): ---/460 V
Connection: Flange EN1092
Material housing: SS, (1.4408)
Material impeller: SS, (1.4408)
LEMD 427 CZ D4J VA 1 AA IE3 90530-8831 
   

 

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