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UNE - Spanish national standards - Page 238

Standards UNE - Spanish national standards - Page 238

Spanish national standards UNE are published by the company AENOR, which deals with the development of national standardization and certification in all industrial and services sectors. Its aim is to contribute to the quality, competitiveness and improvement of companies and to protect the environment.

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Preview UNE-EN 12254:2010/AC:2012 15.2.2012
UNE-EN 12254:2010/AC:2012 Change

Screens for laser working places - Safety requirements and testing

Change published on 15.2.2012

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electronic design (pdf) (1.10 USD)


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Preview UNE-EN 12255-1:2025 23.7.2025
UNE-EN 12255-1:2025

Wastewater treatment plants - Part 1: General design and construction principles

Standard published on 23.7.2025

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electronic design (pdf) (112.00 USD)


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112.00 USD


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Preview UNE-EN 12255-10:2023 11.10.2023
UNE-EN 12255-10:2023

Wastewater treatment plants - Part 10: Safety principles

Standard published on 11.10.2023

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Preview UNE-EN 12255-11:2023 20.12.2023
UNE-EN 12255-11:2023

Wastewater treatment plants - Part 11: General data required

Standard published on 20.12.2023

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Preview UNE-EN 12255-12:2024 27.11.2024
UNE-EN 12255-12:2024

Wastewater treatment plants - Part 12: Control and automation

Standard published on 27.11.2024

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electronic design (pdf) (104.00 USD)


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Preview UNE-EN 12255-13:2024 20.3.2024
UNE-EN 12255-13:2024

Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculation

Standard published on 20.3.2024

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electronic design (pdf) (101.20 USD)


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Preview UNE-EN 12255-14:2024 20.3.2024
UNE-EN 12255-14:2024

Wastewater treatment plants - Part 14: Disinfection

Standard published on 20.3.2024

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electronic design (pdf) (114.80 USD)


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Preview UNE-EN 12255-15:2004 11.6.2004
UNE-EN 12255-15:2004

Wastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants

Standard published on 11.6.2004

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Preview UNE-EN 12255-16:2022 9.3.2022
UNE-EN 12255-16:2022

Wastewater treatment plants - Part 16: Physical (mechanical) filtration

Standard published on 9.3.2022

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Preview UNE-EN 12255-3:2024 9.10.2024
UNE-EN 12255-3:2024

Wastewater treatment plants - Part 3: Preliminary treatment

Standard published on 9.10.2024

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