Watts 957-NRS-GXG 4 - Part of the 957 Series

Watts 957-NRS-GXG 4 - Part of the 957 SeriesThis 4 IN lead free stainless steel reduced pressure zone assembly backflow preventer has NRS groove by groove gate valves that work well in limited headroom situations. Ideally suited for referenced cross connections identified as health hazard continuous pressure applications, it prevents the backflow of contaminated water into the potable water supply and protects against backsiphonage and backpressure. The easy maintenance assembly consists of

Specifications Body Material Ductile Iron Brand Watts Buy American Act Compliant NO Class Rating 125 or 150 Control Type Lever Handle CV Rating 1579 GPM Disc Material Aluminum Bronze EAN 098268503944 Inlet Connection Size 6 IN Inlet Connection Type Lug Lead Free Yes Maximum Operating Temperature-Fahrenheit 248 Maximum Working Pressure-PSI 200 Minimum Temperature-Fahrenheit 5 Operating Torque-Dry 1542 in-lbs Operating Torque-Wet 907 in-lbs Outlet Connection Size 6 IN Outlet Connection Type Lug Part Number 0526828 Seat Material EPDM Series BF03-121 Silicone Free Yes Stem Shaft Material 416 Stainless Steel Valve Style Lug Specification Sheet - BF03-121

end cap/outlet

threaded or inside-caulk connections)

and on transit platforms where there is an elevated drop-off hazard

The outlet is typically IPS-threaded for standard plumbing connection

UPC - 098268557718

UPC - 098268059441

Stainless steel seat kit

and shower facilities

helping ensure consistent sealing and reduced risk of installation errors

With 10 mil thickness

7 bar ArmorTek Technology Yes Body Material Ductile Iron Brand Watts Coating Epoxy Coated Using ArmorTek Technology EAN 098268613292 Inlet Connection Size 2 IN Inlet Connection Type Grooved Joint Lead Free YES Maximum Operating Temperature-Fahrenheit 300 Maximum Working Pressure-PSI 400 Outlet Connection Size 2 IN Outlet Connection Type Grooved Joint Part Number 1GE00299 Pilot Control System Fitting Material Brass Pilot Control System Tubing Material Copper Series LFM115 Trim Material 316 Stainless Steel Valve Style Mustang Warranty Name Watts Warranty - ACV ArmorTek Submittal Package - Automatic Control Valve LFM115