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The regulations relating to the testing of vacuum tankers are far reaching and dependant on the application for which is was originally designed for, its intended use and the date of construction, Tanker Service Solutions ltd can test tankers to all the required standards and will offer advice to operators if they are unsure of the correct procedures, including the creation of bespoke “Written Schemes of Examination”, Detailed below is a quick check list to assess the level of testing you require on your vacuum tanker, just click on the type of tanker and let Tanker Service Solutions Ltd guide you to the required level of inspection. The Department For Transport (DFT) classify vacuum tankers as VOW Vacuum Operated Waste tankers.

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Hazardous Tankers built after May 2004 to ADR Standard

Must be tested by somebody who is recommended by UKAS tests and appointed by the DFT, the testing required is a periodic test every 6 years and an intermediate test every 3. Tanker Service Solutions carry out to this required standard on their own site as per the requirements of ISO IEC 17020.

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Hazardous Tankers built to ADR before May 2004 but not before 1997

Tanker must be tested by somebody who is recommended by UKAS tests and appointed by the DFT, the testing required is a periodic test every 6 years and an intermediate test every 3. Tanker Service Solutions ltd carries out to this required standard on their own site as per the requirements of ISO IEC 17020.

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Hazardous Tankers built before May 2004 to Carriage of Dangerous Goods (CDG) legislation

Tanker must be tested by somebody who is recommended by UKAS tests and appointed by the DFT, the testing required is a periodic test every 6 years and an intermediate test every 3. Tanker Service Solutions Ltd carries out to this required standard on their own site as per the requirements of ISO IEC 17020.

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Hazardous Vacuum Tankers built before May 1997 to Carriage of Dangerous Goods(CDG) legislation

These are defined as “Old Tankers” and are deemed to be allowed to continue in use to the end of their useful life providing they comply with the level of legislation at the time of construction, but these vacuum tankers must be tested by somebody who is recommended by UKAS and appointed by the DFT, the testing required is a periodic test every 6 years and an intermediate test every 3. Tanker Service Solutions ltd carries out tests to this required standard on their own site as per the requirements of EN12972.

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Non Hazardous Vacuum Tanker built to operate at less than 0.5 bar positive pressure

Tankers operating at less than 0.5 bar positive pressure are not defined as pressure vessels so are exempt from formal testing, but we would strongly recommend that as a “duty of care” these tanks are tested, the most common structural failure on a vacuum tanker is implosion due  to a reduced shell thickness, an ultrasonic thickness test is an integral part of Tanker Service Solutions Ltd standard test procedure and would highlight this fault before a tank failure.

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Non Hazardous Vacuum Tanker built to operate at greater than 0.5 bar positive pressure built before 1999

Tankers operating at more than 0.5 bar positive pressure are defined as pressure vessels so must have been built to an approved standard in compliance with a recognised design standard such as BSI. These require testing by a competent body such as Tanker Service Solutions ltd. 

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Non Hazardous Vacuum Tanker built after 1999 to operate at greater than 0.5 bar positive pressure.

Tankers operating at more than 0.5 bar positive pressure are defined as pressure vessels and if they have been built after 1999  they must have been built to meet the requirements of The Pressure Equipment Directive  EC 94/55 & 96/49. These require testing by a competent body such as Tanker Service Solutions ltd.

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