Description
| Operating principle | flow switch | |
| Lubricant | mineral oils viscosity 20–1000 mm2/With |
|
| Consumption | 0.05–14 l/min | 0.013 - 3.70 gpm |
| Operating temperature | from +5 to +80 °C | from +41 to +176 °F |
| Working pressure 1) | 4–25 bar | 58–363 psi |
| Electrical connection | switching 250V AC / 0.5A | |
| Input connection | M10×1, M18×1.5 (depending on model) | |
| Output connection | M18×1.5 | |
| Body material | cast zinc, polyamide | |
| Seal material | butadiene acrylonitrile rubber (fluororubber on request) | |
| Protection class | IP 65 | |
| Dimensions | min. 90×47×34 mm max 101×47×34 mm |
min. 3.54 x 1.85 x 1.33 inches max 3.98×1.85×1.33 inches |
| Installation position | any | |
| Part number | Consumption | |
| l/min | gallons/min | |
| 171-210-051 | 0.05–0.1 | 0.01–0.03 |
| 171-210-052 | 0.1–0.2 | 0.03–0.05 |
| 171-210-053 | 0.2–0.5 | 0.05–0.13 |
| 171-210-054 | 0.5–0.8 | 0.13–0.21 |
| 171-210-055 | 0.8–1.8 | 0.21–0.48 |
| Part number | Consumption | |
| l/min | gallons/min | |
| 171-210-061 | 1.6–2.5 | 0.42–0.67 |
| 171-210-062 | 2.3–4.0 | 0.61–1.06 |
| 171-210-063 | 3.6–6.0 | 0.95–1.59 |
| 171-210-064 | 5.5–10.0 | 1.45–2.64 |
| 171-210-065 | 8.0–14.0 | 2.11–3.70 |
| Input connection | Pipeline, ∅ [mm] | Clamping nut | Split ring | Adapter | Washer |
| M10×1 | 6 | 406-302 | 406-301 | GD60.02 | 504-019 |
| M10×1 | 8 | 408-302 | 408-301 | GD80.02 | — |
| M10×1 | 10 | 410-302 | 410-301 | GD100.02 | — |
| M18×1.5 | 12 | 460-212-001 (functional nut) | |||
| Output connection | Pipeline, ∅ [mm] | Adapter |
| M18×1.5 | 6 | 473-806-391 |
| M18×1.5 | 6 | 473-808-392 |
| M18×1.5 | 6 | 473-810-391 |




