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top guided stem
Protects against excessive temperature and pressure during emergency conditions
Specifications Blowdown Outlet Connection Female Threaded Blowdown Outlet Size 3/4 IN Body Material Cast Iron Body Pattern Wye Brand Watts Class Rating 126 EAN 098268833034 Epoxy Coating Type None Gasket Material Garlock Inlet Connection Size 1 IN Inlet Connection Size-Metric 25 MM Inlet Connection Type Female Threaded Inlet Thread Type NPT Lead Free YES Outlet Connection Size 1 IN Outlet Connection Type Female Threaded Outlet Thread Type NPT Part Number 0220318 Plug Material Cast Iron Retainer Cover Material Cast Iron Retainer Cover Type Tapped with Closure Plug Screen Material Stainless Steel Screen Size 80 MESH Series 77S Strainer Type Wye WOG Rating 400 PSI Specification Sheet - 77S M1
0 Outlet Connection Size 1 1/2 IN Outlet Connection Type Socket Outlet Thread Type Does Not Apply To Product Part Number 0124872 Port Type Full Seat Material PTFE Series S-6801 Stem Packing Material PTFE Stem Shaft Material 316 Stainless Steel Stem Type Blowout Proof Thrust Washer Material PTFE Valve Style 3-piece WOG Rating 1000 PSI Specification Sheet - S-6800
Specifications ArmorTek Technology No Backflow Preventer Type Double Check Detector Assembly Body Finish Stainless Steel Body Material Stainless Steel Body Pattern Inline Brand Watts Buy American Act Compliant NO Bypass Yes Bypass Size 3/4 IN Cap And Tether No Disc Material Silicone EAN 098268121773 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 Gear Operated Butterfly Valve Inlet Thread Type Does Not Apply To Product Lead Free No Maximum Temperature-Fahrenheit 140 Maximum Working Pressure-BAR 12
Watts LF757DCDA-OSY-LM 6 - Part of the LF757DCDA Series Inserta Tee top guided stemThis 6 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.
