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Traffic-Rated Grate with High Flow CapacityEquipped with a load-bearing grate designed to support pedestrian or vehicular loads while maintaining efficient water intake during storms
The plastic is slick to the touch which reduces surface tension as well as provides a stick-resistant surface
Large self-locking polyethylene dome for reliable debris protection
sewer and drain fittings
00 Minimum Temperature-Fahrenheit 0 Operating Torque Does Not Apply To Product Outlet Connection Size 4 IN Outlet Connection Type Female Threaded Outlet Thread Type NPT Part Number 0450173 Port Type Full Seat Material Virgin PTFE Series LFB6090-SS Stem Packing Material Virgin PTFE Stem Shaft Material 316 Stainless Steel Stem Type Blowout Proof Thrust Washer Material Virgin PTFE Type Kit Valve Style 2-piece WOG Rating 400 psi UPC - 098268601701
Watts LF909-LF-NYC-FS 4 - Part of the LF909 Large Series nwgf Traffic-Rated Grate with High FlowThis 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 without gate valves consists of an epoxy coated cast iron body, 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