Watts Series 957 6 in. Stainless Steel Flanged Backflow Preventer

Part #W957NRSU

| Item #1869734

$8,586.27 each

This product has been replaced by W957NRSFSU.

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Product Details

  • Stainless steel housing and sleeve
  • Non-rising stem gate valves
  • Ball valve type test cocks
  • No special tools are required for servicing
  • Bottom mounted cast stainless steel relief valve
  • Compact design allows small enclosures to be used
  • Patented torsion spring check modules for ease of serviceability
  • Groove couplings for ease of installation and pipe alignment
  • The maximum working pressure is 175 psi (12.06 bar)
  • 70% lighter than traditional designs

Specifications

  • ADA Compliant
    No
  • ANSI Specifications
    ANSI 61-G
  • ASSE Standards
    ASSE 1013
  • AWWA Specifications
    AWWA C-511 1997
  • Application
    Residential
  • BAA Compliant
    Yes
  • CSA Certified
    CSA B64.4
  • Collection
    Series 957
  • Color Finish
    Stainless Steel
  • Color Finish Category
    Stainless Steel
  • Depth
    45-19/50 in
  • End Connection 1
    Flanged
  • End Connection 2
    Flanged
  • End Connections
    Flanged
  • FM Approved
    No
  • Height
    45 in
  • High Pressure
    175
  • IAPMO Listed
    No
  • Installation Type
    Horizontal
  • Lead Law Compliance Level
    Lead Law Compliant and Certified
  • Lead Law Compliant
    Yes
  • Length
    43-1/2 in
  • Material
    Stainless Steel
  • Material Type
    304
  • NSF Certified
    Yes
  • NSF Specifications
    NSF 61-G
  • Number of Handles
    Two Handle
  • Recommended Valve Application
    Health Hazard, Water
  • Schedule Class
    40
  • Temperature Range
    33 to 140 Deg F (0.5 to 60 Deg C)
  • UL Listed
    No
  • Valve Body Style
    Inline
  • Valve Disc Material
    Rubber
  • Valve Operator
    Wheel Handle
  • Valve Seat Material
    Engineered Plastic
  • Valve Size
    6 in
  • Valve Stem
    Non-rising
  • Valve Type
    Reduced Pressure Zone Assembly
  • Weight
    276
  • Width
    26 in