Leybold E 250 Rotary Piston Pumps

The Oerlikon Leybold E 250 vacuum pump is a single stage rotary piston pump with a pumping speed of 170.8 cfm. E 250 rotary piston pumps have a pressure range down to 4 x 10^-2 mbar without gas ballast and 5 x 10^-1 mbar with gas ballast.

The E 250 vacuum pump includes corrosion resistant seals, air cooling, a direct drive 5 hp motor with reverse rotation lock and an internal adjustable gas ballast. The Oerlikon Leybold E series pumps are designed for dependable performance and long operating life.

REBUILT OR REMANUFACTURED leybold E250 VACUUM PUMPS:

All rebuild prices include disassembly, inspection & cleaning. Replacement of seals, gasket, springs, o-rings & valves. Other parts replaced as required upon approval for an extra charge. Pumps are then tested & painted.

Specifications

Leybold E-250 PUMP SPECIFICATIONS:

Vacuum Pump Model		E-250
Nominal Displacement	cfm	170.8
Nominal Displacement	l/m	4836
Motor Power	hp	7.5
Phase		3
Oil Capacity	ltr	8.4
Intake/Exhaust Port	DN	63 ISO-K
Noise Level	dBA	76
Weight	lbs	827

Features

Leybold E-250 RoTARY PISTON PUMP FEATURES:

Direct Drive Motor with reverse rotation lock
Internal adjustable gas ballast
Corrosion resistant seals
Compact design
Dual Stage Piston Design

Applications

Leybold E-250 PUMP APPLICATIONS:

Drying Processes
Impregnating Processes
Degassing Processes
Heat Treating
Vacuum Distillation
Vacuum Furnaces
Vacuum Coating
General Vacuum Applications
Chemical Processes
Metallurgical Vacuum Processes
Electronic Vacuum Processes

Dimensions

LEYBOLD E-250 VACUUM PUMP DIMENSIONS:

Pumping Speed Curves

Leybold E-250 pumping speed curves:

Compare

Leybold E & DK Series Rotary Piston VACUUM PUMPS:

Pump Model		DK-100	DK-200	E-150	E-250
Nominal Displacement	cfm	68	132.5	100	170.8
Nominal Displacement	l/m	1926	3752	2832	4836
Stage		2	2	1	1
Phase		3	3	3	3
Motor HP	hp	5	7.5	7.5	7.5
Oil Capacity	Qt.	2.5	4.6	5.7	8.9
Weight	lbs	560	827	580	827
Noise Level	dBA	76	76	76	76