91.140.30 Ventilation and air-conditioning

Displaying 265-276 of 312 results.

LVS CEN/TS 17441:2020

technical specification (TS)

EN
Laboratory installations - Ventilation systems in laboratories
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15.31 €

LVS CEN/TS 17606:2021

technical specification (TS)

EN
Installation of refrigeration, air conditioning and heat pump equipment containing flammable refrigerants, complementing existing standards
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10.56 €

LVS CEN/TS 17607:2021

technical specification (TS)

EN
Operation, servicing, maintenance, repair and decommissioning of refrigeration, air conditioning and heat pump equipment containing flammable refrigerants, complementing existing standards
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10.56 €

LVS EN 17956:2024

standard

EN
Energy efficiency classes for technical insulation systems - Calculation method and applications
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16.90 €

ISO 21083-1:2018

standard

EN
Test method to measure the efficiency of air filtration media against spherical nanomaterials
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147.55 €

ISO/TS 21083-2:2019

standard

EN
Test method to measure the efficiency of air filtration media against spherical nanomaterials
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147.55 €

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)
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22.71 €

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)
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22.71 €

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
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131.24 €

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)
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18.48 €

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)
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19.28 €

ISO 22031:2021

standard

EN
Sampling and test method for cleanable filter media taken from filters of systems in operation
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97.87 €