Watts LF909-NRS-FS 4 - Part of the LF909 Large Series silt-fence-selector Specifications Body Material Ductile Iron

Specifications Body Material Ductile Iron Brand Watts Buy American Act Compliant NO Class Rating 125 or 150 Control Type Lever Handle CV Rating 600 GPM Disc Material Ductile Iron EAN 098268606485 Inlet Connection Size 4 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 644 in-lbs Operating Torque-Wet 390 in-lbs Outlet Connection Size 4 IN Outlet Connection Type Wafer Part Number 0525825 Seat Material EPDM Series BF-04 Silicone Free Yes Stem Shaft Material 416 Stainless Steel Valve Style Wafer Specification Sheet - BF-03-M2

a tight seating check valve

UPC - 098268653335

Cover O-ring Kit Type Cover Kit Lead Free YES Product Group BACKFLOW KITS UPC - 098268698633

304 stainless steel material

Watts LF909-NRS-FS 4 - Part of the LF909 Large Series silt-fence-selector Specifications Body Material Ductile IronThis 4 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 and from other contaminants found at the service line entrance. This assembly consists of an epoxy coated cast iron body, non