ASSE/ANSI 1022-2023 
Performance Requirements for Backflow Preventer for Beverage Dispensing Equipment (for carbonated and non-carbonated) 

ANSI Approved: November 2023

Backflow Preventers for Beverage Dispensing Equipment are engineered for installation in carbonated post‐mix dispensing systems and non‐carbonated dispensing systems. ASSE/ANSI 1022 covers backflow prevention devices designed to protect the potable water supply serving beverage dispensing equipment. These devices are intended for use under continuous or intermittent pressure conditions.

A downloadable version of this standard is also available.