ASME A112.1.2-2012 (R2017)
Air Gaps in Plumbing Systems (For Plumbing Fixtures and Water-Connected Receptors)
standard by ASME International, 04/09/2012
Full Description
This Standard identifies methods of providing protectionagainst backsiphonage through means of an air gapand establishes physical requirements and methods oftesting air gaps for plumbing fixtures and waterreceptors.