Dynamic Components
PRODUCT GROUP 3 

Product group 3

encompasses all those components which are dynamically stressed, i.e., subject to alternating load directions. These dynamic restraints are fitted to protect piping and other plant components against unforeseen displacement resulting from shocks. Normal operational thermal expansion must not be thereby obstructed. Shocks can be caused by internal or external stimuli, such as water hammer or earthquake.

Additional conceptional applications are the support of planned thermal expansion through guides and the securing of points of zero movement. With vertical riser pipes, the formation of "flexible" fixed points is a frequent requirement.

For optimum coverage of the various applications, specialized products are correspondingly required. Where up-to-date pipe support concepts are concerned, LISEGA’s rigid struts, energy absorbers and shock absorbers (snubbers) form indispensable elements for the control of dynamic loads.

Shock absorbers (Snubbers) Type 30, 31

Shock absorbers are usually employed to protect thermal systems against sudden shocks. LISEGA shock absorbers do not restrict gradual thermal expansion. When subjected to sudden movements which exceed designated velocity limits, the shock absorber "locks up" momentarily and forms a rigid connection. LISEGA hydraulic shock absorbers, with their well-tried and tested design principle, have proven themselves in safe, long-term and maintenance-free operation.