The Leybold D4B Vacuum Pump is a Trivac oil-sealed rotary vane pump with a pumping speed of 3.4 cfm and a ultimate total pressure of 1.5 x 10-3 Torr.
The Trivac D4B pump is a two stage rotary vane mechanical vacuum pump with a 1/3 hp motor. It is a reliable rugged pump and operates quietly at 50 dB(A). It has excellent vapor handling capabilities and can be used in many applications.
REMANUFACTURED OR REBUILT Leybold D4B 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 D4B VACUUM PUMP SPECIFICATIONS:
| Vacuum Pump Model | | D4B |
| Nominal Displacement | cfm | 3.4 |
| Nominal Displacement | l/m | 96 |
| Stage | | 2 |
| Motor Power | hp | 1/3 |
| Oil Capacity | ltr | .8 |
| Inlet Flange | DN | 16 KF |
| Exhaust Flange | DN | 16 KF |
| Noise Level | dBA | 50 |
| Weight | lbs | 41.2 |
| Purchase Price (Rebuilt) | $ | $1,400 |
| Rebuild Price | $ | $700 |
Features
leybold D4B 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 D4B VACUUM PUMP APPLICATIONS:
- Vacuum Distillation
- Chemistry/pharmaceuticals
- Vacuum Coating
- Vacuum Drying Cabinets
- Lamps and Tubes Manufacture
- 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 D4B VACUUM PUMP Dimensions:
Pumping Speed Curves
leybold D4B pumping speed curves:
Compare
leybold Trivac 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 | $1600 | $2,200 | $2,700 | $4,100 | $5,100 |
| Rebuild Price | $ | $700 | $725 | $850 | $875 | $900 | $1,000 |
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