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dnaSRPS EN 12285-4:2022

Workshop fabricated steel tanks - Part 4: Vertical cylindrical single skin and double skin tanks for the aboveground storage of flammable and nonflammable water polluting liquids other than for heating and cooling of buildings

General information

50.60     Oct 19, 2023



European Norm

13.300     23.020.10  


This document specifies the requirements for metallic shop fabricated cylindrical vertical steel tanks, single and double skin for the aboveground storage of water polluting liquids (both flammable and non-flammable) within the following limits:
— from Ø 1250 mm up to Ø 4 000 mm inner tank nominal diameter, and
— up to maximum overall shell length of 6 times the nominal inner tank diameter (or max 14 m shell lenght Lz), and
— tank possible to be divided from 1 to 5 compartments,
— for liquids with maximum density of up to 1,9 kg/l, and
— with an operating pressure (P0) of maximum 50kPa (0,5 bar (g)) and minimum – 5 kPa (- 50 mbar (g)), and
— where double skin tanks with vacuum leak detection system are used the kinematic viscosity of the stored media shall not exceed 5 × 10−3 m2/s.
This document is applicable for normal ambient temperature conditions (−40 °C to + 50 °C). Where temperatures are outside this range, additional requirements need to be taken into account.
This document is not applicable to tanks used for storage and/or supply of fuel/gas for building heating/cooling systems, and of hot or cold water not intended for human consumption, nor to loads and special measures necessary in areas subject to risk of earthquakes.
This document is not applicable for the storage of liquids having dangerous goods classes listed in Table 1 because of the special dangers involved.
Table 1 - List of dangerous goods which are not covered by this document
UN-classification Type of dangerous goods
Class 1 Explosives
Class 4.2 Substances liable to spontaneous combustion
Class 4.3 Substances which in contact with water emit flammable gases
Class 5.2 Organic peroxides
Class 6.2 Infectious substances
Class 7 Radioactive substances, hydrocyanic or hydrocyanic solvent liquids, metal carbons, hydrofluoric acid, bromide liquids
NOTE The classifications referred to are those adopted by the United Nations Committee of Experts on the Transport of Dangerous Goods (not to be interpreted as tank classes described in 6.2).

Life cycle


dnaSRPS EN 12285-4:2022
50.60 Close of voting. Proof returned by secretariat
Oct 19, 2023

Related project

Adopted from EN 12285-4:2023