The compact water-cooled Diffstak pumps with an integral cooled baffle offer exceptionally clean pumping with very low backstreaming, reduced outgassing, and a reduction in the number of elastomer seals required for installation.
| Technical data | |
| Pumping speed | |
| nitrogen | 150 l s-1 |
| hydrogen | 225 l s-1 |
| Minimum backing pump displacement * | 5 m3h-1 |
| Recommended backing pump | RV5 |
| Recommended fluid | Santovac® 5 |
| Fluid charge (dry) | 60 ml |
| Inlet connection compatible with | ISO63 |
| Backing connection | NW10 |
| Cooling water connection | 6 mm compression fittings |
| Heater power | 0.45 kW |
| Minimum cooling-water flow at 20 °C | 42 l h-1 |
| Weight | 5 kg |
* For maximum throughput