Roto says its “FS Kempton” friction stays meet the highest requirements according to the European standards DIN EN 13126-6 and DIN EN 1670, JG/T 127 (China), and are included in the “AAMA Verified Component List” due to their compliance with the American standard AAMA 904.

The company also says its friction stays allow the production of “user-friendly windows,” even with heavy glazing. Roto indicates that features such as optimized overruns, upstands, and adapted kinematics make “FS Kempton” friction stays equally easy to install and operate. They also include marked stays that allow for clear identification during production and maintenance, and are available for all common profile systems and materials.

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