Guideline I-20
No. When any additional design requirements would constitute a restriction on or impediment to the making available on the market of this product placing of this product on the market. National requirements may oblige the user to check the function of the safety system periodically. The requirements shall be based on technical criteria of the […]
Guideline E-03
Yes, whenever internal or external leakage (i.e. leakage to atmosphere/environment) is a hazard due to pressure, it is covered by the essential safety requirements of PED. All hazards arising from pressure shall be assessed for the intended use and the intended contained fluid(s), not only the requirement for sufficient strength but also internal/external leakage and […]
Guideline B-21
An unstable gas in this context is a gas that is able to decompose either slowly or explosively. In case of the former, the decomposition reaction usually occurs homogeneously over the entire volume whereas in case of the latter, the decomposition reaction –after having been triggered locally by an ignition source– propagates as a self-sustaining […]
Guideline B-32
No, according to the definition in Article 2 (4), a safety accessory is designed to protect pressure equipment against exceeding the allowable limits. Note 1:However, there are important safety implications for these devices which are covered by the essential safety requirement Annex I Section 2.3 of the PED.The manufacturer shall address this as part of […]