Watts LF909-DOSY-FS 6 - Part of the LF909 Large Series Strata Systems This total rubber parts kit

This total rubber parts kit is used for replacing or repairing the relief valve assembly on a 2 1/2 and 3 inch lead free reduced pressure zone assembly series 909 used to prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure

The fabric is inert to biological degradation and naturally encountered chemicals

while the stainless steel ball and stem provide lasting service

It features a cast brass body with 4

0 Outlet Connection Size 1 1/4 IN Outlet Connection Type Butt Outlet Thread Type Does Not Apply To Product Part Number 0124879 Port Type Full Seat Material PTFE Series S-6802 Stem Packing Material PTFE Stem Shaft Material 316 Stainless Steel Stem Type Blowout Proof Thrust Washer Material PTFE Valve Style 3-piece WOG Rating 1000 PSI Specification Sheet - S-6800

Watts LF909-DOSY-FS 6 - Part of the LF909 Large Series Strata Systems This total rubber parts kitThis 6 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. It is ideal for protection in continuous pressure piping applications and at cross connections identified as health hazards. This assembly consists of an epoxy coated cast iron body, domestic outside stem and yoke resilient seated gate valves, captured