AS/NZS 2845.1:2010 · Water supply - Backflow prevention devices - Part 1: Materials, design and performance requirements
Endurance Test-Pressure-Type Vacuum Breaker (Pvb) and Spill-Resistant Pressure Vacuum Breaker (Spvb)
Korbel lists only the clause number and title for reference. It does not reproduce the text of AS/NZS 2845.1:2010. Always refer to the official published standard.
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