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This 6 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of 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
72 Body Material Lead Free Brass Brand Watts Corrosion Resistant Coating No Disc Material Buna-N EAN 098268581546 Gauge Option Gauge Tapping Inlet Connection Size 1/8 IN Inlet Connection Type Female Threaded Inlet Thread Type FPT Lead Free YES Maximum Operating Temperature-Fahrenheit 140 Maximum Working Pressure-BAR 21
Specifications Body Material Ductile Iron Brand Watts Class Rating 125 or 150 Control Type Lever Handle CV Rating 302 GPM Disc Material Stainless Steel EAN 098268640045 Inlet Connection Size 3 IN Inlet Connection Type Lug Lead Free YES Maximum Operating Temperature-Fahrenheit 302 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 0526018 Seat Material Viton Series DBF-03 Silicone Free Yes Stem Shaft Material 316 Stainless Steel Valve Style Lug Specification Sheet - DBF
Specifications Air Precharge 60 PSI Air Valve No Body Material Copper Brand Watts Buy American Act Compliant NO Connection Size 1 IN Connection Size-Metric 25 MM Connection Type Socket EAN 098268499407 Factory Set Pressure-PSI 60 Lead Free YES Maximum Operating Temperature-Celsius 82
Watts 757N-NRS 8 - Part of the 757 Series Inserta Tee This 6 inch lead freeThis 8 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 contaminated water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and contaminated water authority requirements. It is ideal for protection at cross connections identified as non health hazards and from other