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Chemically resistant membrane pump, single-head, 20 l/min
Reference: N820FT.18
The chemically resistant series N820 diaphragm pumps are single- and double-head, dry-running devices used in a wide range of laboratory applications. They transfer and pump down without contamination. The heart of these very compact pumps is a KNF structured diaphragm.
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Product description
Product description
The chemically resistant series N820 diaphragm pumps are single- and double-head, dry-running devices used in a wide range of laboratory applications. They transfer and pump down without contamination.
The heart of these very compact pumps is a KNF structured diaphragm. This patented diaphragm was stress-optimized using the Finite Elements method. As a result, the pumps are smaller while increasing the service life of the diaphragm.
Materials in contact with media
| Pump model | Pump Head | Diaphragm | Valves |
| N820 FT.18 | PTFE | PTFE-coated | FFPM |
| N820.3 FT.18 | PTFE | PTFE-coated | FFPM |
Technical parameters
| Parameter | N820 FT.18 | N820.3 FT.18 |
| Flowrate | 20 l/min | 20 l/min |
| Ultimate vacuum | 100 mbar (abs.) | 8 mbar (abs.) |
| Operating pressure | 1 bar | 1 bar |
| Tube connection | 10 mm ID | 10 mm ID |
| Power | 130W | 120W |
| Operating current | 0.9A | 0.7A |
| Weight | 7.1kg | 9.3kg |
| Dimensions (mm) | 268 × 207 × 159 | 312 × 207 × 154 |
Note: Dimensions are L x H x W
Common specification
| Operating temperature | 5 to 40°C |
| Power supply | 230V/50Hz |
| Motor protection | IP44 |
Parameters
