The Watts Series LF757DCDA Double Check Detector Assembly is designed to prevent the backflow of non-health hazard pollutants into potable water systems. It features a compact design that is 70% lighter than traditional models, constructed from 304 stainless steel for durability. This assembly includes two independent tri-link check modules, four test cocks, and two shutoff valves, allowing for easy serviceability without special tools. It is suitable for installation under continuous pressure and can handle backpressure and backsiphonage, making it ideal for fire line sprinkler systems where monitoring unauthorized water use is necessary. The maximum working pressure is 175 psi (12.1 bar), and it operates effectively within a temperature range of 33¬8F to 140¬8F (0.5¬8C to 60¬8C). The product is lead-free, with less than 0.25% lead by weight in the wetted surfaces.
Series LF757DCDA Lead Free* Double Check Detector Assemblies prevent the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. Its compact housing consists of two independently operating tri-link check valves, two shutoff valves, and four test cocks. It features a stainless steel housing and sleeve and is 70% lighter than traditional designs. Series LF757 is designed for non-health hazard applications and may be installed under continuous pressure service to protect against both backpressure and backsiphonage. This Series is used primarily on fire sprinkler lines when it is necessary to monitor unauthorized use of water. Maximum Working Pressure: 175psi (12.06 bar).
| Watts | |
|---|---|
| Product Category | Uncategorized Products |
| Product Number | 0122709 |
| Product Name | Double Check Detector Assemblies, Stainless Steel |
