Editorials

Why do we need a European Standard on Shell and Tube Heat Exchangers?

When I started working for an important Italian Pressure Vessel and Heat Exchangers manufacturer (around 50 years ago) I only knew that a shell and tube heat exchanger was some kind of metallic container, generally filled with tubes, with two fluids coming into it: a cold fluid, which should come…

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New working method for the drafting, approval and publication of the amendments to EN 13445 (unfired pressure vessels) and EN 13480 (piping)

It is now more than 30 years that I have the honour of being the president (sorry! I meant the coordinator) of Working Group 53 (Design and Calculation) of CEN Technical Committee 54, which is in charge of the most important of all the harmonized standards of the PED Directive:…

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Requirements of Clause 7-Annex I of Directive 2014/68/EU

This clause contains specific requirements for pressure equipment that have been considered on all harmonized standards of Directive 2014/68/EU, generally known as the Pressure Equipment Directive. It comes from a compromise solution found during the preparation of the first Pressure Equipment Directive 97/23/EC, of which the subject directive 2014/68/EU is…

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The world of Pressure Equipment – The novelties of 2019

This year it was particularly rich in news for anyone working with European, American and also Italian standards: there is a lot of movement, we will try to explain why and analyze the consequences. The harmonized Unfired Pressure Vessel standard EN 13445. During 2018 several amendments of part 3 (Design…

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Working for the European standards: is it worth while doing it?

I started working as a pressure vessel designer about 50 years ago. As all the young engineers, at that time I had no ideas about the work needed for the preparation and maintenance of Pressure Vessel safety standards: I simply knew that different standards, laws and regulations existed in the…

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