KNF offers a large selection of diaphragm pumps for sampling, evacuating and compressing applications. All pump types are based on the same working principle of an oscillating diaphragm inside the pump head offering oil-free, uncontaminated and maintenance-free operation.
| Model | Flow rate at atm. pressure (l/min) | Vacuum (mbar absolute) | Pressure (bar g) |
|---|---|---|---|
| Micro pumps | up to 12 | down to 200 | up to 1.5 |
| Vacuum pumps and compressors | up to 130 | down to 0.5 | up to 7.0 |
| Chemically resistant pumps | up to 60 | down to 2.0 | up to 1.5 |
| Temperature-resistant and heated pumps | up to 100 | down to 180 | up to 1.5 |
| Explosion proof pumps | up to 220 | down to 53 | up to 4.0 |
| Double diaphragm pumps | up to 130 | down to 4 | up to 3.0 |