These flexible rolls have herbicide nodules that prevent roots from growing in the particular direction
0 Outlet Connection Size 2 IN Outlet Connection Type Female Threaded Outlet Thread Type FPT Part Number 0125243 Port Type Full Seat Material Carbon/Glass Reinforced PTFE Durafill Series LFB6800 Stem Packing Material Glass Reinforced PTFE Stem Shaft Material 316 Stainless Steel Stem Type Blowout Proof Thrust Washer Material Glass Reinforced PTFE Valve Style 3-piece WOG Rating 400 PSI UPC - 098268853100
55 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 3 IN Outlet Connection Type Flanged Joint Outlet Shutoff Valve Type Non Rising Stem Gate Valve Outlet Thread Type Does Not Apply To Product Part Number F792159 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Seat Material Stainless Steel Series LF009 Strainer No Technologies Flood Detection Field Guide - Backflow Preventer Repair Parts 007 and 009
50 Minimum Temperature-Fahrenheit 33 Outlet Connection Size 2 1/2 IN Outlet Connection Type Grooved Joint Outlet Shutoff Valve Type Outside Stem And Yoke Gate Valve Outlet Thread Type Does Not Apply To Product Part Number 0439500 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Series 774 Strainer No Technologies Does Not Apply To Product Tradename None Specification Sheet - 774
Watts LF909-NRS-NYC-FS 4 - Part of the LF909 Large Series Z100F-8NH These flexible rolls have herbicideThis 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. This assembly consists of an epoxy coated cast iron body, NRS gate valves, captured spring check valves, replaceable seats, top mounted test cocks and a field reversible pressure differential relief valve. The coating on this backflow assembly uses