CYLINDER DISTINCTION

1. COLOR CODING

The compressed gas cylinders depending the containing type of gas have different colouring for distinguishing the containing gas. The colour labelling that MOVIAK GAS offers follows the regulations of ELOT EN 10893:2011. The body of the cylinder for the medical gases is always white coloured while there is no specific colouring restriction for the industrial gases. Also as per the above mentioned standard the cylinder neck must clearly have the capital letter “N” meaning “normative” which means that the vessel complies with the regulation ELOT EN 10893:2011.

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2.    ADR LABEL ( banana sticker)

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According to the ADR agreement concerning the international carriage of dangerous goods by road and the ISO 7225.2005, class two labelled products, that is the gas cylinders and liquefied cryogenic gases must include:
•    Hazard labels
•    Name of product
•    Product UN
•    The bottling facilities where the vessel/ tank was filled

 

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3.    Embossed labelling

A cylinder must have embossed labels of:

  • The manufacturing company
  • The serial number of the cylinder
  • Date of manufacturing
  • Weight of cylinder
  • Nominal capacity
  • Bottling pressure
  • Testing pressure
  • Date of last audit
  • Date of next audit or embossed or with a sticker

 

4. Vessel valve


 MOVIAK GAS offers a great variety of valves appropriate for several types of gases. All valves comply with the above mentioned standards for securing the necessary safety during use. The providing valves are presented in valve types

 

5.    Physical gas state  in cylinder

The gases such as oxygen due to their high critical point are in the form of air inside the cylinder and are characterized as compressed gases.

On the contrary gases such as carbon dioxide and nitrogen oxide due to their low critical point are in a balanced state inside the cylinder , that is one part is liquefied and the vcylinder’s pressure equals the vapour pressure of the gas.

Also there is the case of acetylene also UPAC ethyne, which belongs in the category of dissolved gases in porous mass.
Dissolved gas liquefied gas compressed gas

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6.    Construction material

•   STEEL CYLINDERS SEAMLESS: vessels 10lt, 16lt, 50lt ideal for liquefied and compressed gases storage
•    ALUMINIUM CYLINDERS SEAMLESS: vessels 2lt, 3lt, 5lt ideal for liquefied and compressed gases storage
•    STEEL CYLINDERS SEAMED : low pressure fire extinguishersς

 

 

7.    Legislation for vessels under pressure casings

  • According to the European and National legislation all portable equipment compressed cylindershells are under the direction 97/23/ek. Shells manufactured from 1988 and before are under the directions 84/525/EOK (seamless steel shells), 84/526/EOK (aluminium alloy shells) and 84/525/EOK (steel seamed shells) and must have the necessary labelling E.
  • Portable equipment cylinders shells under compression manufactured after 1999 under directions 1999/36/EK and 97/23/EK of the European Parliament and Council must clearly and indelible have the label Π.
  • According to the European and National legislation the fire extinguishers/ breathing appliances shells are under the direction 97/23/EK and KYA provisions No 16289/330 (ΦΕΚ 987/B/2999) ‘Greek legislation compliance to the Direction 97/23/EK of the European Parliament and Council for the equipment under compression’. All fire extinguishers/ breathing appliances shells manufactured after 29 of November 1999 must clearly have the label CE according to the Article 15 of the Ministerial Decision.

 


Shells manufactured from 1988 onwards and don’t have the appropriate labelling must be withdrawn

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