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LEYBOLD rotary piston pump LEYBOLD Vakuum GmbH -
- Bonner Str. 498, 50968 Köln, Germany

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products:   Rotary Piston vacuum pumps

E 250 Single-Stage Rotary Piston Vacuum Pump
- Chemical, metallurgical and electronic vacuum processes
- Impregnating, degassing and drying process-es in experimentation systems, in drying cabinets, extrusion etc.
- Pressure range down to 4 x 10 E-2 mbar (2.4 x 10-2 Torr) without gas ballast or to 5 x 10 E-1 mbar (3 x 10 E-1 Torr) with gas ballast
- Backing pump for Roots vacuum pumps at intake pressure down to 10 E-3 mbar (0.75 x 10 E-3 Torr)

DK 200 Two-Stage Rotary Piston Vacuum Pump
- For particularly low ultimate pressures
- High vacuum stage with degassed oil from a separate oil reservoir
- For all chemical, metallurgical and electronic vacuum processes in the pressure range down to 5 x 10 E-4 mbar (3 x 10 E-4 Torr) without gas ballast and 4 x 10 E-3 mbar (2.4 x 10 E-3 Torr) with gas ballast
- Backing pump for Roots vacuum pumps
- Use as backing pump in pump systems in connection with diffusion, booster-type diffusion and vapor pumps




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