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Over the last couple of years I’ve worked on a number of projects that have involved the European Union Pressure Equipment Directive (or PED as it’s sometime known). The Directive is legislation which aims to ensure that pressure equipment used within the EU is safe. For the process industries, this most often means vessels and piping.
A key part of complying with the PED is to ensure that equipment has been classified correctly. Basically this classification categorises equipment according to the degree of hazard should the equipment fail. Equipment in the most hazardous applications, for instance large vessels containing toxic or flammable gases at high pressure, is required to have extensive quality assurance procedures throughout the design, manufacture and testing stages. Equipment in low hazard applications, such as a small storage vessel for water at low pressure, has less onerous quality assurance requirements.
In the projects I’ve been involved with, equipment classification has been the responsibilty of the process engineers although the information is required by the other disciplines, especially piping and control/instrumentation engineers. Higher classification requirements also tend to affect equipment cost and delivery, so project managers also have a keen interest!
Given that the PED is a legal requirement, along with potential cost and delivery implications, it is essential that equipment classification is carried out thoroughly and accurately. To help you classify equipment correctly, I have written a free guide to the Pressure Equipment Directive which is available to download to all Blackmonk email subscribers.
To get your free copy just enter your name and email details into the boxes above or on the right hand side of this page.
I hope you find the guide useful and would appreciate any comments you might have.