Watts LF757NDCDA-OSY-GPM 8 - Part of the LF757DCDA Series
FREE SHIPPING
This 8 IN lead free double check detector backflow preventer assembly prevents the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. It is designed for non-health hazard applications and may be installed under continuous pressure service to protect against both backpressure and backsiphonage. It is used primarily on fire sprinkler lines when it is necessary to monitor unauthorized use of water and includes a gallons per minute meter that measures water flow. This assembly consists of two independently operating tri-link check valves, two shutoff valves, four test cocks, and UL/FM outside stem and yoke resilient seated gate valves. It features a compact stainless steel housing and sleeve that is 70 percent lighter than traditional designs and approved for horizontal N pattern installation. The maximum working pressure is 175 psi (12.06 bar).
Features- Stainless steel for corrosion resistance
- Gallons per minute meter
- 150 pound ANSI/AWWA CL D flanged
- Outside stem and yoke shutoffs
| Specifications | |
|---|---|
| ArmorTek Technology | No |
| Backflow Preventer Type | Double Check Detector Assembly |
| Body Finish | Stainless Steel |
| Body Material | Stainless Steel |
| Body Pattern | N-Pattern |
| Brand | Watts |
| Buy American Act Compliant | NO |
| Bypass | Yes |
| Cap And Tether | No |
| EAN | 098268840698 |
| Elbow Fitting | No |
| Hazard Protection Level | Non Health Hazard |
| Hot And Harsh Water | No |
| Hydrant Connection | No |
| Inlet Connection Size | 8 IN |
| Inlet Connection Size-Metric | 203 MM |
| Inlet Connection Type | Flanged Joint |
| Inlet Shutoff Valve Type | Outside Stem And Yoke Gate Valve |
| Inlet Thread Type | Does Not Apply To Product |
| Lead Free | YES |
| Maximum Temperature-Fahrenheit | 140 |
| Maximum Working Pressure-BAR | 12.10 |
| Maximum Working Pressure-PSI | 175 |
| Meter Type | GPM |
| Minimum Temperature - Celsius | 1.00 |
| Minimum Temperature-Fahrenheit | 33 |
| Outlet Connection Size | 8 IN |
| Outlet Connection Type | Flanged Joint |
| Outlet Shutoff Valve Type | Outside Stem And Yoke Gate Valve |
| Outlet Thread Type | Does Not Apply To Product |
| Part Number | 0124702 |
| Polymer Coating | No |
| Pressure Operation | Continuous |
| Protection Type | Backpressure and Backsiphonage |
| Seat Material | Engineered Plastic |
| Series | LF757DCDA |
| Strainer | No |
| Technologies | Does Not Apply To Product |
| Tradename | None |
