909RPDA
Reduced Pressure Detector Assembly Backflow Preventers, Cast Iron
Series 909RPDA Reduced Pressure Detector Assembly Backflow Preventers are designed to prevent the reverse flow of fire protection system substances from being pumped or siphoned into the potable water supply. The 909RPDA incorporates a meter to detect ground leaks and unauthorized illegal taps, greatly reducing annual water expenses. It consists of an epoxy-coated cast iron body with stainless steel trim, bronze gate valves, a pressure-differential relief valve, shutoff valves, and bronze ball-type test cocks. Series 909RPDA provides maximum flow at low pressure drop utilizing the air-in/water-out design principle for protection during emergency combined backsiphonage and backpressure conditions. Maximum Working Pressure: 175psi (12.06 bar).
Features
- Replaceable bronze seats
- Modular design facilitates easy maintenance and assembly
- Unique two-channel relief valve provides maximum capacity during emergency conditions and stops potential backflow using air-in/water-out principle
- Provide detection point for costly water leaks and illegal taps
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Approval/Certification Information
For product-specific approval information, please refer to the product’s specification sheet or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:
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| UL | ULC | USC | WQA |