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Stationary training equipment - Strength training equipment, additional specific safety requirements and test methods. Original standard UNE-EN ISO 20957-2-2021 in PDF full version. Additional info + preview on request

Document status: Replaced by STB UNE-EN ISO 20957-2-2025

Stationary training equipment Part 4: Strength training benches, additional specific safety requirements and test methods (ISO 20957-4:2016). Original standard UNE-EN ISO 20957-4-2017 in PDF full version. Additional info + preview on request

Document status: Active

Stationary training equipment - Rowing equipment. Additional specific safety requirements and test methods. Original standard UNE-EN ISO 20957-7-2021 in PDF full version. Additional info + preview on request

Document status: Replaced by STB UNE-EN ISO 20957-7-2025

Chemical analysis of refractories containing alumina, zirconia, and silica. Refractories containing 5 percent to 45 percent of ZrO2 (alternative to the X-ray fluorescence method). Flame atomic absorption spectrophotometry (FAAS) and inductively coupled plasma emission spectrometry (ICP-AES). Original standard UNE-EN ISO 21079-3-2008 in PDF full version. Additional info + preview on request

Document status: Active

Plastics piping systems for the trenchless replacement of underground pipeline networks - Replacement on the line by pipe bursting and pipe extraction. Original standard UNE-EN ISO 21225-1-2018 in PDF full version. Additional info + preview on request

Document status: Active

Solid recovered fuels Determination of self-heating Part 1: Isothermal calorimetry (ISO 21911-1:2022). Original standard UNE-EN ISO 21911-1-2024 in PDF full version. Additional info + preview on request

Document status: Active