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Leybold D25B-Reconditioned

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Product Description

Reconditioned Leybold D25B pump. Complete with Pump, and Motor. 115v 1.5 HP motor.20.9 CFM.

1 year warranty.


Oil Sealed Vacuum Pumps

Oil sealed rotary vane vacuum pumps are being used in all areas of vacuum engineering. They are equally suited for both industrial production and research applications. They may be used to generate a rough and medium vacuum or as backing pumps in pump combinations with Roots vacuum pumps or high vacuum pumps. Rotary vane pumps are built as one- or two stage pumps. The ultimate pressure range is depending on the model between 0.5 mbar and 5x10-5mbar. The comprehensive pumping speeds ranging from 1.5 m3/h up to 13000 m3/h

Typical applications:

    • Freeze Drying
    • Vacuum Coating
    • Chemistry
    • Pharmaceuticals
    • R&D
    • Backing Pump
    • Vacuum Drying
    • Degassing
    • Concentrating
    • Vacuum Distillations
    • Vacuum Manifold/Schlenk Line

Inlet connection: DN 25 ISOKF
Outlet connection: DN 25 ISOKF
Nominal pumping speed at 50 Hz: 29.5 m3/h 17.4 cfm
Nominal pumping speed at 60 Hz: 35.4 m3/h 20.9 cfm
Pumping speed at 50 Hz: 25.7 m3/h 15.1 cfm
Pumping speed at 60 Hz: 30.8 m3/h 18.2 cfm Ultimate partial pressure without gas ballast:
Water vapor tolerance at 60 Hz: 25.0 mbar 18.8 Torr
Water vapor capacity at 50 Hz: 476 g/h  
Water vapor capacity at 60 Hz: 476 g/h  
Operating fluid: LEYBONOL LVO 100
Operating fluid capacity    
min.: 0.6 l 0.6 qt
max.: 1.4 l 1.5 qt
Noise level to DIN 45 635    
without gas ballast: 54 db(A)  
with gas ballast: 56 db(A)  
Mains connection: 1ph, 230 V, 50/60 Hz
Motor rating: 750 W 1.0 HP
Rotation speed at 50 Hz: 1.500 min1 1.500 rpm
Rotation speed at 60 Hz: 1.800 min 1 1.800 rpm
Motor protection rating: IP 54  
Admissible ambient temperature: +12 to +40°C +54 to +104°F
Dimensions: see dimension sheet
Weight: 32.0 kg 70.6 lbs


Leybold Pump Rebuild Process:


Every Leybold vacuum pump we sell goes through our comprehensive rebuild process at our location. 

    • Each pump is fully disassembled and all parts are cleaned and decontaminated with our multi-step process to ensure all contaminants are removed.
    • All parts are inspected for wear and replaced as necessary.
    • Damaged or worn parts are replaced.
    • All O-rings, seals, springs, and gaskets replaced.
    • Motor tested.
    • Assembled and tested with multiple flushes of new oil.


Our Rebuilt Leybold Trivac B Pumps comes with a full 1 year warranty for parts and labor.
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