The Leybold D25B Vacuum Pump is a Trivac oil-sealed rotary vane pump with a pumping speed of 20.9 cfm and an ultimate total pressure of 1.5 x 10-3 Torr.
The D25B vacuum pump is a two stage rotary vane mechanical vacuum pump with a 1 ½ hp motor. It is a reliable rugged pump and operates quietly at 52 dB(A). It has excellent vapor handling capabilities, highly leak tight and can be used in many applications.
REMANUFACTURED OR REBUILT Leybold D25B 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 D25B VACUUM PUMP SPECIFICATIONS:
| Vacuum Pump Model | | D25B |
| Nominal Displacement | cfm | 20.9 |
| Nominal Displacement | l/m | 591 |
| Stage | | 2 |
| Motor Power | hp | 1 ½ |
| Oil Capacity | ltr | 1.4 |
| Inlet Flange | DN | 25 KF |
| Exhaust Flange | DN | 25 KF |
| Noise Level | dBA | 52 |
| Weight | lbs | 70.6 |
| Purchase Price (Rebuilt) | $ | $2,700 |
| Rebuild Price | $ | $875 |
Features
leybold D25B TRIVAC PUMP FEATURES:
- A wide range of accessories to match your application needs
- Built in oil pump
- Anti-suckback valve controlled via the oil pressure
- Vertical or Horizontal intake and exhaust ports
- Excellent vapor handling capability
- Highly leaktight
- Reliability and long life
- Compact size
- Low vibration
- Low noise level
Applications
LEYBOLD D25B VACUUM PUMP APPLICATIONS:
- Vacuum Distillation
- Chemistry/pharmaceuticals
- Vacuum Coating
- Vacuum Drying Cabinets
- Lamps and Tubes Manufacture
- Leak Detectors
- Pharmaceutical Freeze Drying
- Research and Development
- Electrical Engineering
- Medicine Technology
- Backing Pump For High Vacuum Pump Systems
- Analytical Engineering
- Evacuation of Refrigeration Systems
- Evacuation of Process Chambers
- Chemistry and Research Labs
Dimensions
leybold D25B VACUUM PUMP Dimensions:
Pumping Speed Curves
leybold D25B pumping speed curves:
Compare
leybold Trivac B Series Rotary Vane VACUUM PUMPS:
| Vacuum Pump Model | D4B | D8B | D16B | D25B | D40B | D65B | |
| Nominal Displacement | cfm | 3.4 | 6.9 | 13.4 | 20.9 | 32.5 | 53 |
| Nominal Displacement | l/m | 96 | 195 | 450 | 591 | 920 | 1500 |
| Stage | 2 | 2 | 2 | 2 | 2 | 2 | |
| Phase (Typical) | 1 | 1 | 1 | 3 | 3 | 3 | |
| Motor HP | hp | 1/3 | 1 | 1 | 1½ | 3 | 3 |
| Oil Capacity | ltr | .8 | .9 | 1 | 1.4 | 2.6 | 3.3 |
| Weight | lbs | 41.2 | 46.7 | 57.3 | 70.6 | 150 | 177 |
| Noise Level | dBA | 50 | 50 | 52 | 52 | 57 | 57 |
| Purchase Price (Rebuilt) | $ | $1,400 | $1,600 | $2,200 | $2,700 | $4,100 | $5,100 |
| Rebuild Price | $ | $700 | $725 | $850 | $875 | $900 | $1,000 |
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