Febco 825Y QT FS 1 1 4 Part of the 825Y Series Egress System This 2 1 2 inch lead This 2 1 2 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of contaminated water of non potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements Specifications Body Material Ductile Iron Brand Watts Class Rating 125 or 150 Control Type Gear Operator CV Rating 8250 GPM Disc Material Ductile Iron EAN 098268605044 Inlet Connection Size 12 IN Inlet Connection Type Lug Lead Free YES Maximum Operating Temperature Fahrenheit 248 Maximum Working Pressure PSI 200 Minimum Temperature Fahrenheit 33 Operating Torque Dry 7071 in lbs Operating Torque Wet 3300 in lbs Outlet Connection Size 12 IN Outlet Connection Type Lug Part Number 0525703 Seat Material EPDM Series BF 03 Silicone Free Yes Stem Shaft Material Stainless Steel Valve Style Lug Specification Sheet BF 03 M2 This assembly consists of a bronze body Bronze body