Watts LF909-DOSY-FS 2 1/2 - Part of the LF909 Large Series

Watts LF909-DOSY-FS 2 1/2 - Part of the LF909 Large SeriesThis 2 1 2 inch lead free reduced pressure zone backflow preventer assembly prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure. It is ideal for protection in continuous pressure piping applications and at cross connections identified as health hazards. This assembly consists of an epoxy coated cast iron body, domestic outside stem and yoke resilient seated gate valves,

This pressure relief valve has a 3/4 inch NPTF female inlet and outlet and a 50 psi pressure relief setpoint

It consists of a bronze body with with integral press fitting ends

Specifications ArmorTek Technology No Backflow Preventer Type Reduced Pressure Detector Assembly Body Finish Stainless Steel Body Material Stainless Steel Body Pattern N-Pattern Brand Watts Bypass Yes Bypass Size 3/4 IN Cap And Tether No Disc Material Silicone EAN 098268504712 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 100 MM Inlet Connection Type Grooved Joint Inlet Shutoff Valve Type Gear Operated Butterfly Valve Inlet Thread Type Does Not Apply To Product Lead Free No Maximum Temperature-Fahrenheit 140 Maximum Working Pressure-BAR 12

Waterproof Integration & Debris Protection: Includes elements to securely interface with waterproofing membranes and a grate/strainer layout that helps prevent debris ingress

Specifications Body Material Iron Brand Watts Class Rating 125 or 150 Control Type Lever Handle CV Rating 1579 GPM Disc Material Stainless Steel EAN 098268596328 Inlet Connection Size 6 IN Inlet Connection Type Wafer Lead Free YES Maximum Operating Temperature-Fahrenheit 248 Maximum Working Pressure-PSI 200 Minimum Temperature-Fahrenheit 33 Operating Torque-Dry 1542 in-lbs Operating Torque-Wet 907 in-lbs Outlet Connection Size 6 IN Outlet Connection Type Wafer Part Number 0525419 Seat Material EPDM Series DBF-04 Silicone Free Yes Stem Shaft Material Stainless Steel Valve Style Wafer Specification Sheet - DBF

0 Outlet Connection Size 1/4 IN Outlet Connection Type Female Threaded Outlet Thread Type NPT Part Number 0123190 Port Type Standard Seat Material Carbon/Glass Reinforced PTFE Durafill Series LFB6400 Stem Packing Material Glass Reinforced PTFE Stem Shaft Material 316 Stainless Steel Stem Type Bottom Loaded Blowout Proof Thrust Washer Material Glass Reinforced PTFE Valve Style 2-piece WOG Rating 600 PSI UPC - 098268669336

female NPT connections and a bypass feature to control thermal expansion pressure

Specifications Backflow Preventer Type Vacuum Breaker Body Finish Bronze Body Material Lead Free Brass Body Pattern Straight Brand Watts Buy American Act Compliant NO Bypass No Bypass Size Does Not Apply To Product Cap And Tether No Disc Material Silicone EAN 098268434514 Elbow Fitting No Hazard Protection Level Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 3/8 IN Inlet Connection Size-Metric 10 MM Inlet Connection Type Female Threaded Inlet Shutoff Valve Type No Shutoff Valve Inlet Thread Type NPT Lead Free YES Maximum Temperature-Fahrenheit 180 Maximum Working Pressure-BAR 8

Cover O-ring Kit Type Cover Kit Lead Free YES Product Group BACKFLOW KITS UPC - 098268399769

UPC - 098268585339

1 BAR ArmorTek Technology Yes Body Material Ductile Iron Brand Watts Coating Epoxy Coated Using ArmorTek Technology EAN 098268617726 Inlet Connection Size 2 1/2 IN Inlet Connection Type Flanged Joint Lead Free YES Maximum Operating Temperature-Fahrenheit 160 Maximum Working Pressure-PSI 250 Outlet Connection Size 2 1/2 IN Outlet Connection Type Flanged Joint Part Number 2GE00171 Series LFF115-74 Valve Style Classic Warranty Name Watts Warranty - ACV ArmorTek Schematic - Automatic Control Valve LFF115-74 Globe

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 098268439236 Elbow Fitting No Hazard Protection Level Non Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 4 IN Inlet Connection Size-Metric 100 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