Commonly known as drum tanks their intended use is for compressed and liquefied gas from 150 litres up to 1000 litres. Currently undertaking work for BOC special gasses with a fleet of thousands of various types of drum tank manufacturers include. Siebel, Chemet, Klaff, Van Leer, Silva Matos. Safe Gas Cylinders has the experience to correctly disassemble inspect and reassemble to pass a hydrogen leak test at 6 Bar.
Pressure drums are generally between 900 and 1000 litres water capacity and hold gases from Ethylene Oxide, Sulphur Dioxide, Chlorine, Hydrogen Chloride to Ozone depleting gasses such as Sulphur Hexafluoride.
The integrity and leak tightness of these pressure drums is critical in particular due to the large capacity of often toxic and or flammable contents.
Safe Gas Cylinders is also one of the only Appointed Bodies in the UK to be accredited for the Reassessment of conformity of old pressure drums in accordance with Annex A of BS EN 14876 and Article 13 + Annex lll of the directive2010/35/EU: allowing us to apply the Pi π mark as a stamp to the pressure drum.
If this service is requested by clients pressure drums are hydraulically tested and inspected in accordance with the current standard above but calculations on the minimum wall thickness are required to prove that the old pressure drums wall thickness conform with current design standards in accordance with BS EN 14208 – Transportable gas cylinders – Specification for welded pressure drums up to 1000 litre capacity for the transport of gases – Design and construction.
Our competitors in some cases will be required to engage a third party Appointed Body to oversee the inspection and test of pressure drums that their customers request to be Pi marked. Safe Gas Cylinders on the other hand are accredited to undertake this work without the need for expensive third party surveillance.