Watts LF757N-DCDA-DOSY-CFM 2 1/2 - Part of the LF757DCDA Series Geotextile This 4 inch lead free

This 4 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

This 8 inch butterfly valve is designed specifically for applications which may require an NSF approved valve for potable water system applications

Dura-Coated Cast Iron Body: Made for toughness and corrosion resistance

Specifications Body Material Ductile Iron Brand Watts Buy American Act Compliant NO Class Rating 125 or 150 Control Type Gear Operator CV Rating 302 GPM Disc Material 316 Stainless Steel EAN 098268604016 Inlet Connection Size 3 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 387 in-lbs Operating Torque-Wet 250 in-lbs Outlet Connection Size 3 IN Outlet Connection Type Lug Part Number 0525599 Seat Material EPDM Series BF-03 Silicone Free Yes Stem Shaft Material 316 Stainless Steel Valve Style Lug Specification Sheet - BF-03-M2

Watts LF757N-DCDA-DOSY-CFM 2 1/2 - Part of the LF757DCDA Series Geotextile This 4 inch lead freeThis 2 1 2 inch lead free N pattern double check detector backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and water of non potable quality, but not toxic, 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. It is ideal for protection at cross connections identified as non health