Single-ply axial expansion joints DN 100 - DN 129. The bellows are used for Ultra high vacuum environment. The bellows have been specially designed for low spring rates with ply thicknesses of 0.15 and 0.2mm, welded and tested at kompaflex in a dedicated clean area.
Design pressure: Ultra-high vacuum Design temperature: +20 to +300 °C Helium leak rate: < 1×10^-10mbar*l/s-1
