Diffstak - Vapour Diffusion
Compact
Compact water-cooled diffusion pumps
Wide pumping ranges
From 135 (N2) to 3200 l/s (H2)
Valved or Unvalved
Integral high-vacuum valve fitted as standard. Manual or pneumatic valve options.
Exceptionally clean
Integral cooled baffles offer exceptionally clean pumping with very low backstreaming
Proven
With thousands of pumps installed
The Edwards Diffstak vapour diffusion pumps are compact, water-cooled pumps with integral cooled baffles which provide exceptionally clean pumping.
Diffstak sizes
|
|
|
|
|
|
|
|
||
| 63/150 M y P | 63/150 C | 100/300 M y P | 100/300 C | 160/700 M y P | 160/700 C | 250/2000 M y P | 250/2000 C | ||
| Pumping speed (Nitrogen) | l/s | 135 | 150 | 280 | 150 | 700 | 760 | 2000 | 2130 |
| Pumping speed (Hydrogen) | l/s | 200 | 225 | 500 | 225 | 1300 | 1410 | 3000 | 3200 |
| Minimum backing pump displacement | m³/h | 5 | 5 | 5 | 5 | 12 | 12 | 40 | 40 |
| Oil charge capacity | ml | 60 | 60 | 125 | 60 | 250 | 250 | 500 | 500 |
| Heater power | W | 450 | 450 | 650 | 450 | 1350 | 1350 | 2250 | 2250 |
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.
This pump has a manually operated high vacuum isolation valve and is supplied with: NW10 elbow, NW10 centering-ring, NW10 clamp, water pipe couplings and ferrules, inlet ISO63 Co-Seal.
DOCUMENTATION & VIDEOS
