Description
The Welch 2052B-01 PTFE Diaphragm Vacuum Pump is engineered for chemical-duty performance in laboratories and production environments where corrosive vapors and liquids are a concern. Featuring a completely PTFE-coated flow path, this oil-free diaphragm pump ensures long life, excellent chemical compatibility, and clean vacuum output without risk of oil contamination.
With an ultimate vacuum of 60 Torr and a flow rate of 60 liters per minute, the 2052B-01 excels in rotary evaporation, filtration, degassing, aspiration, and concentration tasks. Its quiet operation and low maintenance requirements make it ideal for sensitive lab environments.
The pump’s robust diaphragm design and rugged motor ensure reliable performance across a wide range of solvents and acids, while its compact benchtop footprint makes it easy to integrate into fume hoods or mobile setups.
Key Features
- All PTFE wetted surfaces for superior chemical resistance
- Oil-free diaphragm technology – no contamination, no maintenance
- 60 Torr ultimate vacuum, 60 L/min free air displacement
- Ideal for rotary evaporation, filtration, and solvent handling
- Whisper-quiet performance for lab use
- Long diaphragm life and easy part replacement
- Compatible with aggressive vapors, solvents, and acids
- Operates on 115V / 60Hz / 1 Phase
Specifications Table
| Specification | Welch 2052B-01 PTFE Diaphragm Pump |
|---|---|
| Pump Type | Diaphragm (Oil-Free) |
| Wetted Materials | PTFE (Polytetrafluoroethylene) |
| Ultimate Vacuum | 60 Torr |
| Free Air Capacity | 60 L/min |
| Voltage | 115V / 60 Hz / 1 Phase |
| Noise Level | Low (~50 dB) |
| Typical Applications | Evaporation, Filtration, Aspiration, Degassing |
| Cooling | Air-cooled |





