The direct addressees of were:
Financial institutions should note that explicitly references and amends parts of earlier ECB Decisions, particularly: ezd 311 2021
refers to a specific model of explosion-proof conduit sealing fitting The direct addressees of were: Financial institutions should
: Environments containing flammable gases or vapors (e.g., propane, ethylene). Class II, Groups E, F, and G ethylene). Class II
The "2021" association often refers to a specific renewal or a technical specification release from that year (such as the November 2021 Plasti-Bond release). These certifications verify that the product still meets the rigorous safety requirements for explosive atmospheres.