EN 12285-2 PDF

This standard is not applicable to the storage of dangerous liquids such as explosives, substances liable to spontaneous combustion, substances which in contact with water emit flammable gases, organic peroxides, infectious substances, radioactive material, hydrocyanic or hydrocyanic solvent liquids, metalcarbonyls, hydrofluoracid and bromide liquids. This standard does not cover the installation of tanks which might be subject to local regulations involving pollution control. BS EN Workshop fabricated steel tanks - Horizontal cylindrical single skin and double skin tanks for the aboveground storage of flammable and non-flammable water polluting liquids Description BS EN specifies the requirements for metallic shop fabricated cylindrical, horizontal steel tanks, single and double skin for the aboveground storage of water polluting liquids both flammable and non-flammable within the following limits: from mm up to mm nominal diameter up to a maximum overall length of 6 times the nominal diameter for liquids with a maximum density of up to 1. View on Information Provider website This resource cites: BS EN Workshop fabricated steel tanks - Horizontal cylindrical single skin and double skin tanks for the aboveground storage of flammable and non-flammable water polluting liquids This document CITES:.

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K in Lerests i. Dale CJm. SvriIzarland and United Kingdom. I p to 1 ,9 kg1 and, wllh an operating pressu re Po of maximum 1. This document is applicable for normal ambient temperahm9 conditions - 10 C to 50 C- Where temperatures are outside this ratlge, additional requiremerllS rleoo 10 be takerllnlo account. This document Is nol applicable for lhe slorag. Table 1 - Ustof dangerau5 gaads the storageaf which are nctcavered by til is document UN For dated references, onry Ih e edition cited applies.

For undaled references, the fates edition of the referenced document lncluding any amelldmenls applies. EN QUalJfication lest of weloors - Fusion w. Rre classlficalion of oOMlmction products ana bulJdJng ef. Specification and qualification of welding procedures for metallic materials - Welding procedure test - Part 1 Arc and gas welding of steels and arc welding of nickel and nickel alloys ISO 3 Terms, definitions, symbols and abbreviations 3.

It is made of steel, equipped with dished ends and consists of one or more compartm ents 3. Where the atmospherlo pressure Is 1 bar the maximum explosion pressure 15 measured OIl 10 bar abs. It is only a pplicabl e for dou ble skin tanks 3. For olher liquids the safe working capilcity contolms In Equalion In cases where inspootior11 covers are nol allowed, the tanks shall have Or11e manhole of at least 2 mm and no part of a compartment.

Single skin tanks shall always have a manhole. The manufacturer shall decide whether manholes IMpec on, covers, nozzles shalll be of set-through or set-on type. Nozzles and flanges shall either be welded ir11side and outside, or by full per11etration. Far the dimensions of the manholes an d its components see li able 4. Gaskets shall be provided and su itable for their pu rpose. C ;00 diamGICrs I. Figure 3 - Examples for manholes Dimensions in millimelres --ling a minimum ground carrying capacity of 0,15 Nlmm broad saddles shall be used where appropriate.

Table 7 - Loose saddles [Iameter T. Leal 11 ank COtnpoments eli marked in acrordance will appropriate fla6monised liu ropearl specificatiollls may Ile presumed to have th pertormanOlls stated with lI1e CE manking.

Any sLlch evenls shall be recorded as they occur an d Ihese records shall be kept for the period defined in the manufacturers written procedures. The label shall be fixed to the tank on or close 10 the manhole, if fined, of the tank. The design of 1he label shalll be stich Iha I II shall not be conrusoo with aregu lalary markl ng. The labelshali contain the following Infarmadan as a minim tim nam e and address of m anufaotllrer.

An example for marking is gillen In Figure 5. In addition each com par1men t shall be prolided with a label ind ica ting the n omi flal volume in m oJ that com part menL Tank-Ml1Idacture Ltd.


BS EN 12285-1:2003

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CSN EN 12285-1 ed. 2



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