709-AUS
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Cast Iron Double Check Backflow Preventer, DN80-DN250
Series 709-AUS double check valve assembly backflow preventers prevent the reverse flow of polluted water from entering into the potable water supply. It has a modular check design for easy maintenance and epoxy coated (FDA approved) cast iron body construction. Series 709 is ideal at referenced cross-connections identified in non-health hazard applications. Check with local inspection authorities for installation requirements. Maximum Working Pressure: 175psi (12.06 bar).
- Replaceable bronze seats
- Maximum flow at low pressure drop
- Design simplicity for easy maintenance
- No special tools required for servicing
- Captured spring assemblies for safety
- Approved for vertical flow up installation
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