Introduction
The document provides detailed information about the RESTON®SA shock absorbers by mageba, designed for seismic protection of structures. These devices are crucial for ensuring the durability, safety, and reliability of structures during seismic events.

Characteristics & Dimensions
The RESTON®SA shock absorbers are velocity-dependent devices that consist of a piston, piston rod, and cylinder pipe. They allow free movement under normal conditions but control displacement and dissipate energy during sudden movements like earthquakes. The resistance force is determined by the flow of a viscous fluid through the piston.

Properties & Benefits
These shock absorbers dissipate energy from sudden loads, reducing structural impact and allowing for optimized design without excessive strengthening. They can provide over 30% additional damping and are ideally used with seismic isolators like LASTO®LRB and RESTON®PENDULUM. The devices are made from high-quality materials, ensuring a service life of 50 years with minimal maintenance.

Materials & Construction
The devices use S355 steel for main parts, 42CrMo4 steel for piston rods, and cast steel for hydraulic valves. The viscous fluid is protected against aging and corrosion, maintaining consistent viscosity across temperature variations. High-grade sealing ensures minimal wear and compatibility with the fluid.

Corrosion & Temperature Resistance
Standard corrosion protection is provided according to EN ISO 12944, with options for other standards. Devices operate between -10°C to +50°C, with options for -35°C to +80°C. They can withstand temperatures above 200°C during seismic events.

Quality & Support
mageba ensures high quality through ISO 9001:2008 certification and offers full-scale testing based on EN 15129:2009 or AASHTO standards. Installation supervision is recommended to ensure proper setup and full warranty benefits. Regular inspections every 5 years are advised.

Customer Support
mageba provides comprehensive support, including product selection advice and quotations. Further information and documentation are available on their website.

Reference Projects
Examples of structures using mageba seismic protection devices include the Vasco da Gama Bridge in Portugal and the Awaza Bridge in Turkmenistan.