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- Cold cathode, 2e-3-5e-9 mbar, metal sealed, DN40KF, display
- Cold cathode, 2e-3-5e-9 mbar, metal sealed, DN40KF, EtherCat
- Cold cathode, 2e-3-5e-9 mbar, metal sealed, DN40KF, Profinet
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- Hot cathode / Pirani, 1000-5e-10 mbar, metal sealed, DN25KF, display
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Diffstak 250/2000M
Activair.cz > Products > Vacuum pumps and vacuum stations > Diffusion Pumps > Diffstak Vapour Pumps > Diffstak 250/2000M
| Technical data | |
| Pumping speed | |
| nitrogen | 2000 l s-1 |
| hydrogen | 3000 l s-1 |
| Min backing pump displacement* | 40 m3h-1 |
| Recommended backing pump | E2M40 |
| Recommended fluid | Santovac® 5 |
| Fluid charge (dry) | 500 ml |
| Inlet connection compatible with | ISO250 |
| Backing connection | NW40 |
| Cooling water connection | 10 mm compression fittings |
| Heater power | 2.25 kW |
| Min cooling-water flow at 20°C | 180 l h-1 |
| Pneumatic connections† | 6mm coupling x ¼ BSP male stud |
| Pneumatic actuating pressure | |
| Minimum | 2.4bar / 35psi |
| Maximum | 6.9bar / 100psi |
| Weight | |
| 250/2000M | 59kg |
| 250/2000P | 60kg |
* For maximum throughput
† 250/2000P only