774DCDA
Double Check Detector Assembly Backflow Preventers, Stainless Steel
Series 774DCDA Double Check Detector Assembly Backflow Preventers are designed to prevent the backflow of fire protection system substances from being pumped or siphoned into the potable water supply. They have a compact construction and short lay length, ideal for retrofit installations. They feature a lightweight stainless steel body, thermoplastic and stainless steel check valves, and low head loss. Series 774DCDA can be installed in the horizontal or vertical flow-up positions. It is designed for installation on applications identified by local authorities as non-health hazard, such as on fire protection systems. Maximum Working Pressure: 175psi (12.06 bar).
Features
- Detect costly underground leaks and unauthorized water use
- Torsion spring check valve provides low head loss
- Stainless steel construction provides strength, resists corrosion, and weighs less
- Single cover, top-entry design allows for convenient access for maintenance
Literature
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 |