18B4B
Type:
Pumps
Manufacturer:
Edwards
Pumping speed:
190 m3h-1
Vacuum depth:
2 mbar
Category:
Diffusion pump
| Pumping speed | |
| air | 4000 ls-1 |
| hydrogen | 6000 ls-1 |
| Maximum throughput | 100 mbar ls-1 / |
| 75 Torr ls-1 | |
| Critical backing pressure | 2-2.6 mbar / |
| 1.5-2 Torr | |
| Recommended backing pump displacement | 190 m3h-1 / |
| 112 ft3min-1 | |
| Recommended backing pump | GXS450, E2M275 |
| Recommended fluid | |
| Fluid charge | 10 litre / 9.5 qt |
| Inlet connection | 8x11mm holes on 387.4 PCD (Edwards) / |
| ANSI 12 inch / ISO320 | |
| Backing connection | 2 inch union (Edwards) / |
| ANSI 4 inch / ISO160 | |
| Water connection | - |
| Heater power | 6.0 kW / 8 hp |
| Warming up time for full performance at | |
| maximum heater input | 60 min |
| Minimum water flow inlet | 375 l h-1 @ 20oC / 1.8 US gal min-1 @ 20oC |
| Water block threaded hole | ½ inch BSP |
| Weight | 165 kg / 365 lbs |
Baltic Condition