Diffusion Pumps
Product Description
| Model | AX-65 | HS-2 | VHS-4 | VHS-6 | VHS-250 | VHS-10 | VHS-400 | HS-16 | HS-20 | HS-32 | NHS-35 |
| 0160 | 0183 | 184 | 0185 | 0164 | 0165 | 0167 | 0169 | ||||
| Pumping speed*, l/s | |||||||||||
| Air | 65 | 160 | 750 | 1550 | 2125 | 3650 | 4500 | 6000 | 10000 | 17300 | 28000 |
| Helium & Hydrogen | 90 | 200 | 940 | 1930 | 2660 | 4560 | 5625 | 7500 | 12500 | 21625 | 356000 |
| Cooldown time | 10 | 10 | 10 | 10 | 10 | 25 | 25 | 30 | 45 | 60 | 60 |
| Fluid charge | 30 cc | 100 cc | 300 cc | 500 cc | 500 cc | 1000 cc | 1000 cc | 3 U.S. qts. (2.8 liters) | 5 U.S. gal. (4.7 liters) | 3 U.S. gal. (11.3 liters) | 3 U.S. gal. (11.3 liters) |
| Power, Watts | 200/250 | 450 | 1450 | 2200 | 2200 | 4400 | 4400 | 8100/9600 | 12000 | 24000 | 24000 |