Standards UNE - Spanish national standards - Page 652

Design and manufacture of site built, vertical, cylindrical, flat-bottomed steel tanks for the storage of refrigerated, liquefied gases with operating temperatures between 0 °C and -165 °C - Part 2: Metallic components

Standard published on 23.4.2008

Design and manufacture of site built, vertical, cylindrical, flat-bottomed steel tanks for the storage of refrigerated, liquefied gases with operating temperatures between 0 °C and -165 °C - Part 3: Concrete components

Standard published on 29.10.2008

Design and manufacture of site built, vertical, cylindrical, flat-bottomed tank systems for the storage of refrigerated, liquefied gases with operating temperatures between 0 °C and -196 °C - Part 4: Insulation components (Endorsed by Asociación Espanola de Normalización in July of 2025.)

Standard published on 1.7.2025

Design and manufacture of site built, vertical, cylindrical, flat-bottomed tank systems for the storage of refrigerated, liquefied gases with operating temperatures between 0 °C and -196 °C - Part 5: Testing, drying, purging and cool-down (Endorsed by Asociación Espanola de Normalización in December of 2025.)

Standard published on 1.12.2025

Textiles - Multifilament yarns - Methods of test for textured or non-textured filament yarns

Standard published on 10.1.2007

Devices to prevent pollution by backflow of potable water. Air gap with circular overflow (restricted). Family A-Type F

Standard published on 11.1.2006

Devices to prevent pollution by backflow of potable water - Air gaps with minimum circular overflow (verified by test or measurement) - Family A, type G

Standard published on 21.12.2005

Performance of portable locating leak detectors and of fixed gas detectors for all refrigerants

Standard published on 31.3.2021

Ambient air - Standard method for the measurement of the concentration of ozone by ultraviolet photometry

Standard published on 12.11.2025

Ambient air - Standard method for the measurement of the concentration of carbon monoxide by non-dispersive infrared spectroscopy

Standard published on 26.11.2025