Regulation guide

BS EN 1717

14 Apr 2025

8

Air Gaps

Type A and Type B air gap dimensions and where a mechanical device cannot replace an air gap.

Type A and Type B air gap dimensions and where a mechanical device cannot replace an air gap.

Technical specifications

Paste-ready values for this guide. The table is driven by the ACF specifications field.

PropertyValue
Fluid category5
Device familyType AA / AB / AUK3
Typical exampleBreak tank serving Category 5 washdown

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