91.140.30 Ventilation and air-conditioning
Displaying 277-288 of 322 results.
LVS EN 17956:2024
standard
EN
Energy efficiency classes for technical insulation systems - Calculation method and applications
19.44 €
ISO 21083-1:2018
standard
EN
Test method to measure the efficiency of air filtration media against spherical nanomaterials
216.08 €
ISO/TS 21083-2:2019
standard
EN
Test method to measure the efficiency of air filtration media against spherical nanomaterials
216.08 €
LVS CEN ISO/TS 21083-2:2019
technical specification (TS)
EN
Test method to measure the efficiency of air filtration media against spherical nanomaterials - Part 2: Size range from 3 nm to 30 nm (ISO/TS 21083-2:2019)
26.12 €
LVS EN ISO 21083-1:2019
standard
EN
Test method to measure the efficiency of air filtration media against spherical nanomaterials - Part 1: Size range from 20 nm to 500 nm (ISO 21083-1:2018)
26.12 €
ISO 21805:2023
standard
EN
Guidance and recommendations on design, selection and installation of vents to safeguard the structural integrity of enclosures protected by gaseous fire-extinguishing systems
191.72 €
ISO 21805:2023/Amd 1:2025
amendment
EN
Guidance and recommendations on design, selection and installation of vents to safeguard the structural integrity of enclosures protected by gaseous fire-extinguishing systems — Amendment 1
19.07 €
LVS CEN ISO/TS 21805:2019
technical specification (TS)
EN
Guidance on design, selection and installation of vents to safeguard the structural integrity of enclosures protected by gaseous fire-extinguishing systems (ISO/TS 21805:2018)
21.25 €
LVS EN ISO 21805:2023
standard
EN
Guidance and recommendations on design, selection and installation of vents to safeguard the structural integrity of enclosures protected by gaseous fire-extinguishing systems (ISO 21805:2023)
22.17 €
ISO 22031:2021
standard
EN
Sampling and test method for cleanable filter media taken from filters of systems in operation
142.99 €
ISO 23137-1:2024
standard
EN
Requirements for aerosol filters used in nuclear facilities against specified severe conditions — Part 1: General requirements
105.92 €
ISO 23138:2024
standard
EN
Biological equipment for treating air and other gases — General requirements
142.99 €