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Humans are polluting the earth, especially since the start of the industrial revolution in the 19th century. The major change in carbon emission started in the 1950’s when the world required more electricity and heat, more products, more food and more mobility. The annual emission today is approximately 5 times more than 70 years ago…

Knowing that 50-60% of the fugitive emission of process plants is caused by leaking valves, fugitive emission control, by valve design and by testing is very important to bring a reduction in fugitive emissions. Therefore the population valves, subjected to fugitive emission tests will grow..! This applies for new valve prototype testing, production testing but also during valve overhaul and repair.

Fugitive emission tests for valves are used to test and evaluate the integrity of the external leakage of valve stem seals (or shafts) and body joints of isolating valves and control valves, intended for the application in volatile air pollutants and hazardous fluids. Fugitive Emission testing is a ‘blanket term’ for a variety of different test procedures and test methods. There are numerous applications of valves and preferable the test needs to be a direct reflection of the actual service conditions, from cryogenic to ambient and extreme high temperatures. The most common test standards are; ISO-15848-1 and 2, ANSI/ISA S93.00.01, ANSI / FCI 91-1, TA-Luft / VDI 2440, Shell SPE 77/300, Shell  SPE 77/312, API-622, API-624 and API-641.

Although all fugitive emission test standards where developed with the best of intentions and for the benefit of our environment, there is no or very little correlation between them. The mentioned organizations are all independent, self-governing authorities. For this specific application, they have written and are dictating standards from a slightly different perspectives. The result; not one of the above mentioned fugitive emission standards can be used unilaterally on all valves and this means that each valve manufacturer, stockiest, distributer or contractor must evaluate what standard applies for each individual application.

Ventil can deliver the test facility for any type of valve, testing and qualifying according to any test standard.

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