Watts LF957ZRPDA-BFG-CFM 4 - Part of the LF957RPDA Series
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This 4 inch lead free reduced pressure detector backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and water of non-potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. Extremely compact and lighter than traditional designs it is approved for horizontal Z pattern installation. It is ideal for protection at cross-connections identified as health hazards such as on fire sprinkler systems and from other contaminants found at the service line entrance. This assembly consists of a stainless steel body with a quick access sleeve, torsion spring check valves, grooved gear operated butterfly valves with tamper switch, test cocks, corrosive resistant bottom mounted pressure relief valve and comes furnished with a cubic foot per minute meter to detect underground leaks and unauthorized water use.
Features- 304 (Schedule 40) stainless steel housing and sleeve
- UL and FM grooved gear operated butterfly valves with tamper switch
- Approved for horizontal Z pattern installation
- Furnished with a cubic foot per minute meter
| Specifications | |
|---|---|
| ArmorTek Technology | No |
| Backflow Preventer Type | Reduced Pressure Detector Assembly |
| Body Finish | Stainless Steel |
| Body Material | Stainless Steel |
| Body Pattern | Z-Pattern |
| Brand | Watts |
| Buy American Act Compliant | NO |
| Bypass | Yes |
| Cap And Tether | No |
| EAN | 098268843392 |
| Elbow Fitting | No |
| Hazard Protection Level | Health Hazard |
| Hot And Harsh Water | No |
| Hydrant Connection | No |
| Inlet Connection Size | 4 IN |
| Inlet Connection Size-Metric | 101.6 MM |
| Inlet Connection Type | Grooved Joint |
| Inlet Shutoff Valve Type | Gear Operated Butterfly Valve |
| Inlet Thread Type | Does Not Apply To Product |
| Lead Free | YES |
| Maximum Temperature-Fahrenheit | 110 |
| Maximum Working Pressure-BAR | 12.10 |
| Maximum Working Pressure-PSI | 175 |
| Meter Type | CFM |
| Minimum Temperature - Celsius | 1.00 |
| Minimum Temperature-Fahrenheit | 33 |
| Outlet Connection Size | 4 IN |
| Outlet Connection Type | Grooved Joint |
| Outlet Shutoff Valve Type | Gear Operated Butterfly Valve |
| Outlet Thread Type | Does Not Apply To Product |
| Part Number | 0124763 |
| Polymer Coating | No |
| Pressure Operation | Continuous |
| Protection Type | Backpressure and Backsiphonage |
| Series | LF957RPDA |
| Strainer | No |
| Technologies | Does Not Apply To Product |
| Tradename | None |
- Specification Sheet - Flood Sensor Connection Kit - Watts
- Specification Sheet - Flood Sensor Connection Kit - Watts (French)
- Specification Sheet - Flood Sensor Connection Kit - Watts (Spanish)
- Specification Sheet - LF957RPDA
- Specification Sheet - LF957RPDA (French)
- Specification Sheet - LF957RPDA (Spanish)
