Watts Series LF909 6 in. Cast Iron Flanged Backflow Preventer

Part #WLF909NRSU

| Item #4525569

$17381.93 each

This product has been replaced by WLF909NRSFS6U.

Valve Size:

6 in
  • Quantity

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Product Details

  • Replaceable seats
  • Stainless steel internal parts
  • No special tools required for servicing
  • Captured spring check assemblies
  • Fused epoxy coated & lined checks
  • Industrial strength sensing hose
  • Field reversible relief valve
  • Air-in/water-out relief valve design provides maximum capacity during emergency conditions
  • Lead free

Specifications

  • ADA Compliant
    No
  • ANSI Specifications
    ANSI 61-G
  • ASSE Standards
    ASSE 1013
  • AWWA Specifications
    AWWA C-511
  • Application
    Health Hazard
  • BAA Compliant
    Yes
  • CSA Certified
    CSA B64.4, CSA B64.5
  • Coating
    Epoxy
  • Collection
    Series LF909
  • Depth
    69 in
  • End Connection 1
    Flanged
  • End Connection 2
    Flanged
  • End Connections
    Flanged
  • FM Approved
    Yes
  • Height
    22 in
  • High Pressure
    175
  • IAPMO Listed
    Yes
  • Installation Type
    Horizontal, Vertical
  • Lead Law Compliance Level
    Lead Law Compliant and Certified
  • Lead Law Compliant
    Yes
  • Length
    65-13/16 in
  • Material
    Cast Iron
  • NSF Certified
    Yes
  • NSF Specifications
    NSF 61-G
  • Number of Handles
    Two Handle
  • Recommended Valve Application
    Health Hazard, Plumbing, Water
  • Temperature Range
    33 to 110 Deg F (0.5 to 43 Deg C)
  • UL Listed
    Yes
  • Valve Body Material
    Cast Iron
  • Valve Body Style
    Inline
  • Valve Operator
    Cross Handwheel
  • Valve Seat Material
    Stainless Steel
  • Valve Size
    6 in
  • Valve Stem
    Non-rising
  • Valve Type
    Reduced Pressure Zone Assembly
  • Weight
    718
  • Width
    27 in