Leybold E 250 - NEW

Call for Price

In stock
SKU
NEW_E250
Weight 830 lbs
Motor Power 7.5 hp
Pumping Speed 250 m3/h
Ultimate Pressure < 4 x 10-2 Torr

Leybold E 250 Rotary Piston Vacuum Pump - NEW

The E and DK pumps are mechanically acting vacuum pumps on the principle of a rotary piston or plunger. The pumps are manufactured as single and two-stage pumps. The E pumps are single-stage pumps with a pumping speed of 250 m3/h (147cfm) and an ultimate pressure of 0.04 mbar (0.024 Torr). The DK pumps are two-stage pumps with a pumping speed of 200 m3/h (118 cfm) and an ultimate pressure of 5 x 10-4 mbar (3 x 10-4 Torr).

Were you aware that the Leybold DK200 and E250 vacuum piston pumps are no longer in production?

What if there was a better way?

There's no denying the older piston pumps are still workhorses in many applications today, but the challenges in upkeep are real maintenance hurdles.

You now have a solution. Get equal or better performance. Introducing the all new VARODRY VD200...

  • 100% oil-free dry screw technology - no more need to buy oil or planned oil changes!
  • Air cooled, highest cfm capacity in its class
  • Excellent water vapor pumping capacity
  • Rust free anodized aluminum housing and rotors
  • Operates with roots booster pump for additional performance
  • Lower maintenance cost
  • Environmentally friendly with reduced emissions
  • Quieter operation
  • Less vibration
  • More Energy efficient

Questions? Please call our toll free number at 866-332-0500 or send an email to our sales team!

Nominal pumping speed 290 m3 x h-1
Pumping speed 250 m3h x -1
Ult. total pressure w/ gas ballast < 5 x 10-1
Ult. partial pressure w/out gas ballast     < 4 x 10-2
Water vapor tolerance 60 mbar
Intake / exhaust DN 63-K
Oil filling, pump chamber 8 l
Oil filling, gear 0.4 l
Motor power 5.5 kW
Nominal motor speed 50 Hz: 1,500 rpm / 60 Hz: 1,730 rpm
Nominal pump speed 540 rpm
Motor protection IP 54
Weight 376 kg (830 lbs)
Type Label Description Download
Leybold E 250 & DK 200 - REBUILT Instruction Manual Download
Leybold VARODRY - NEW Operating Instructions Download

Need modifications to this item? PTB Sales' expert team of engineers can configure products to your specific needs.

Leybold E 250 Rotary Piston Vacuum Pump - NEW

The Leybold E 250 is no longer in production, and has been replaced by the new VARODRY VD200.

Part no. 10536 / 105 36
Pumping speed: 250 m3/h
Ultimate pressure: 4 x 10-2 mbar
Three-phase motor: 220-240V / 380-420V, 50Hz
50Hz-gear Operating fluid: LEYBONOL LVO 100

Part no. 89509 / 895 09
Pumping speed: 250 m3/h
Ultimate pressure: 4 x 10-2 mbar
3-phase motor: 200-230V / 460V, +/-10%, 60 Hz
60Hz-gear Operating fluid: LEYBONOL LVO 100

Part no. 16637 / 166 37
Pumping speed: 250 m3/h
Ultimate pressure: 4 x 10-2 mbar
w/out motor
50Hz-gear Operating fluid: LEYBONOL LVO 100