AS/NZS 2845.1:2022 · Water supply - Backflow prevention devices - Part 1: Materials, design and performance requirements
(normative) Test for leakage from air ports — Hose connection vacuum breaker (HCVB) and dual check valve with intermediate vent (Du CV)
Korbel lists only the clause number and title for reference. It does not reproduce the text of AS/NZS 2845.1:2022. Always refer to the official published standard.
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