The new standard requires an annual test at operating pressure. A full inspection or replacement must be considered in the event of a flashback or, at the latest, five years after commissioning, depending on heaviness of use. The date of commissioning is the key, not the date of manufacture.
WITT makes implementation easy
Our services at a glance :
✓ Professional testing service with short turnaround times
✓ Annual tests and complete inspections (including shot testing of Flashback Arrestors) in accordance with EN 17931:2026
✓ Expert advice on testing, complete inspection, and replacement
✓ Certainty & safety for users, plant and processes.
Our product labels are also being adapted to meet the new requirements. From the end of 2026, the date of first commissioning can be marked directly onto the product label.