- CSA: B64.3.1
- ASSE: 1022
- Highest hazard protection: moderate
- Back pressure resistant: yes
- Continuous pressure resistant: yes
- Field testing required: no
Overview/Benefits
- If a backflow occurs, the diaphragm seat of the first check valve rises and allows atmospheric pressure to flow through the relief port.
- Leaks are easily detected in case of failure.
Application examples
- Soft drink dispenser water supply connections
