AS/NZS 2845.1:2022 · Water supply - Backflow prevention devices - Part 1: Materials, design and performance requirements
Performance tests
Sub-clauses
- 12.4.1Procedures
- 12.4.2Downstream non-return valve closing pressure
- 12.4.3Intermediate chamber pressure
- 12.4.4Supply pressure at which the intermediate chamber becomes atmospheric
- 12.4.5Intermediate chamber pressure under backpressure conditions when the supply pressure is 14 kPa or greater
- 12.4.6Intermediate chamber pressure under backpressure conditions, when the supply pressure is less than 14 kPa
- 12.4.7Pressure differential at which relief valve commences to open
- 12.4.8Supply pressure fluctuations and discharge from relief valve
- 12.4.9Rated flow and pressure loss
- 12.4.10Back-siphonage
- 12.4.11Backpressure
- 12.4.12Endurance
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.
Comments
Sign in as an individual to comment.