Watts LF909-LF-NYC-FS 4 - Part of the LF909 Large Series nwgf Traffic-Rated Grate with High Flow

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 strainer coupling can be solvent-welded with PVC glue to create a water-tight connection

The Zurn Z535 parking-deck drain is designed specifically to handle the demanding conditions of vehicular deck surfaces

SITEDRAIN DS-183 geocomposite drain is composed of a dimpled polymeric perforated core with a nonwoven geotextile bonded to both sides

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