4.4.4 Accessories
Dust separators (SAS) are available as an accessory for the screw pumps. There are various types available to fit the connection flange on the pump.
D1 type Diester oil is used as operating fluid.
| HeptaDry series | ||||
|---|---|---|---|---|
| Model | Pumping speed at 50 Hz | Pumping speed at 60 Hz | Ultimate pressure at 50 Hz | Ultimate pressure at 60 Hz |
| Hepta 100 P | 110 m³ · h-1 | 130 m³ · h-1 | < 5 · 10-2 hPa | < 1 · 10-2 hPa |
| Hepta 200 P | 220 m³ · h-1 | 265 m³ · h-1 | < 5 · 10-2 hPa | < 1 · 10-2 hPa |
| Hepta 300 P | 320 m³ · h-1 | 410 m³ · h-1 | < 5 · 10-2 hPa | < 1 · 10-2 hPa |
| Hepta 400 P | 350 m³ · h-1 | 420 m³ · h-1 | < 5 · 10-2 hPa | < 1 · 10-2 hPa |
| Hepta 600 P | 525 m³ · h-1 | 630 m³ · h-1 | < 5 · 10-2 hPa | < 1 · 10-2 hPa |
Table 4.13: HeptaDry performance data
Figure 4.9: Operating principle of an air cooled multi-stage Roots pump
