Full Manual
Access the official Welch product manual for WOB-L Piston Pump Models 2522 and 2534 here.
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Welch 2522 and 2534 WOB-L piston pumps are ideal for managing vacuum processes that demand consistent performance, low maintenance, and clean operation. These pumps are oil-free, compact, and designed for applications like filtration, aspiration, and degassing. But to keep them running efficiently, you need to understand their operating limits, maintenance intervals, and troubleshooting steps. This asset page breaks down the essentials from the official product manual so you can act quickly and confidently.
Key Specs and Operating Parameters
| Model | 2522 |
| Free Air Displacement | 1.2 CFM (34 L/min) |
| Ultimate Vacuum | 60 Torr |
| Motor | 115V, 60Hz, 1/8 HP |
| Pump type | Oil-free piston pump |
| Model | 2534 |
| Free Air Displacement | 1.2 CFM (34 L/min) |
| Ultimate Vacuum | 60 Torr |
| Motor | 230V, 60Hz, 1/8 HP |
| Pump type | Oil-free piston pump |
FAQs
Filtration, aspiration, vacuum drying, and degassing in lab environments. Not recommended for corrosive gases or continuous industrial use.