Watts LF757DCDA-OSY-LM 4 - Part of the LF757DCDA Series Window Well Cover UPC - 098268519068

UPC - 098268519068

UPC - 098268782141

and smaller roof edge areas

Specifications Body Material Ductile Iron Brand Watts Class Rating 125 or 150 Control Type Lever Handle CV Rating 3136 GPM Disc Material 316 Stainless Steel EAN 098268604610 Inlet Connection Size 8 IN Inlet Connection Type Lug Lead Free YES Maximum Operating Temperature-Fahrenheit 176 Maximum Working Pressure-PSI 200 Minimum Temperature-Fahrenheit 33 Operating Torque-Dry 2919 in-lbs Operating Torque-Wet 1697 in-lbs Outlet Connection Size 8 IN Outlet Connection Type Lug Part Number 0525660 Seat Material Buna-N Series BF-03 Silicone Free Yes Stem Shaft Material 316 Stainless Steel Valve Style Lug Specification Sheet - BF-03-M2

50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 4 IN Outlet Connection Type Flanged Joint Outlet Shutoff Valve Type Non Rising Stem Gate Valve Outlet Thread Type Does Not Apply To Product Part Number F111616 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Engineered Plastic Series 957 Strainer No Technologies Flood Detection Tradename None Specification Sheet - 957

Watts LF757DCDA-OSY-LM 4 - Part of the LF757DCDA Series Window Well Cover UPC - 098268519068This 4 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.