ANSI/ASSE 1047-2021
Performance Requirements for Reduced Pressure Detector Backflow Prevention Assemblies

Standard No.

ANSI/ASSE 1047-2021

Release Date

2021

Published By

American National Standards Institute （ANSI)

Latest

ANSI/ASSE 1047-2021

ANSI/ASSE 1047-2021 history

• 2021 ANSI/ASSE 1047-2021 Performance Requirements for Reduced Pressure Detector Backflow Prevention Assemblies
• 2011 ANSI/ASSE 1047-2011 Performance Requirements for Reduced Pressure Detector Fire Protection Backflow Prevention Assemblies
• 2009 GB/T 24672-2009 The metal thin-wall tube and its accessories for sprinkling irrigation