709
Double Check Valve Assembly Backflow Preventers, Cast Iron
Series 709 Double Check Valve Assembly Backflow Preventers are designed to prevent the reverse flow of polluted water from entering into the potable water supply. It has a modular check design for easy maintenance and a coated cast iron body using ArmorTek™ coating technology for advanced corrosion resistance. 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).
The coating on this backflow assembly uses ArmorTek™ technology to resist corrosion due to microbial induced corrosion (MIC) or exposed metal substrate.
Features
- Utilizes advanced ArmorTek coating technology to resist corrosion of internals
- The valve body shall utilize a coating system with built in electrochemical corrosion inhibitor and microbial inhibitor
- Maximum flow at low pressure drop
- No special tools required for servicing
Literature
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Approval/Certification Information
For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:
| ASSE | CSA | FM Approvals | NSF |
| UL | ULC | USC | WQA |