Non-evaporable getter (NEG) pumps

Non-evaporable getter (NEG) pumps

UVH-XVH

Are reactive metals that have been pressed onto solid substrates or sintered into discs. A specific combination of Zirconium, Vanadium and Iron has been found to work best for HV and UHV environments. The amount of material used controls the speed and capacity of the NEG pump, but typically range from 55 to 412 l/s and capacity from 630 to 3600 Torr l/s. As NEG’s become saturated with gases, they can be reactivated without venting to atmosphere.

Ultra High Vacuum Pump key features HIGH

Mechanical vibration eliminated

capture pumps have no moving parts. Vibration from moving parts and electrical noise is eliminated

High radiation tolerance

capture pumps are built with radiation tolerant materials in excess of 108 Gray. Connectors and cables are also built with radiation tolerant materials for years of continuous operation

High temperature tolerance

without any special consideration, capture pumps can be baked to 250 °C. Removing the magnets allows for hotter bakes up to 450 °C. Long hot bakes are critical to every UHV system

Regular maintenance eliminated

capture pumps require virtually no maintenance and avoid costly vacuum events because they are sealed from atmosphere, saving time, money and resources

Low initial operational costs

initial cost is typically less than comparable specifications of other types of vacuum pumps. They use minimal or no power for years of low cost operation