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  • Watts Series 957 Stainless Steel Flanged Backflow Preventer

    • Watts Series 957 2-1/2 in. Stainless Steel Flanged 175 psi Backflow Preventer

    Part #W957NRSL

    | Item #1845378

    $3,247.85 each

    This product has been replaced by W957NRSFS212.

    Valve Size:

    2-1/2 in
    • Quantity

    0 item(s) added to cart. Checkout Now

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    Product Details

    • Replaceable check disc rubber
    • Extremely compact design
    • 70% lighter than traditional designs
    • Groove fittings allow integral pipeline adjustment
    • Patented torsion spring checks provide lowest pressure loss
    • Unmatched ease of serviceability
    • Bottom mounted cast stainless steel relief valve
    • Lead-Free

    Documents

    Specifications

    • ADA Compliant
      No
    • ASSE Standards
      ASSE 1013
    • AWWA Specifications
      AWWA C-511
    • Application
      Health Hazard
    • BAA Compliant
      Yes
    • CSA Certified
      CSA B64.4
    • Collection
      Series 957
    • Color Finish
      Stainless Steel
    • Color Finish Category
      Stainless Steel
    • Depth
      33-2/25 in
    • End Connection 1
      Flanged
    • End Connection 2
      Flanged
    • End Connections
      Flanged
    • Fitting Size 1
      2-1/2 in
    • Fitting Size 2
      2-1/2 in
    • Fitting Sizes
      2-1/2 in
    • Height
      15-7/8 in
    • Installation Type
      Horizontal
    • Lead Law Compliance Level
      Lead Law Compliant and Certified
    • Lead Law Compliant
      Yes
    • Length
      30-3/4 in
    • Material
      Stainless Steel
    • Material Type
      304
    • Maximum Pressure
      175 psi
    • Maximum Temperature
      140
    • Minimum Temperature
      33
    • NSF Certified
      Yes
    • NSF Specifications
      NSF 61G
    • Recommended Valve Application
      Water
    • Temperature Range
      33 to 140 Deg F
    • UL Listed
      No
    • Valve Body Material
      Stainless Steel
    • Valve Body Style
      Inline
    • Valve Disc Material
      Silicone
    • Valve Operator
      Cross Handwheel
    • Valve Seat Material
      Engineered Plastic
    • Valve Size
      2-1/2 in
    • Valve Stem
      Non-rising
    • Valve Type
      Reduced Pressure Zone Assembly
    • Weight
      118
    • Width
      22 in

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