FNW 681 10 in. Epoxy Coated Cast Iron Wafer Check Valve

FNW68110

$2,201.78 each

Valve Size:

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Product Details

  • An internal spring closes valve just prior to an equalizing pressure on both sides providing a quiet and shock less valve closing
  • Maximum recommended flow velocity for all valves is 12' per second
  • Silent check valves were developed to eliminate water hammer due to water flow reversal in clear water pump applications
  • The wafer style is rated 200 psi for all models sizes
  • Valve opens when upstream pressure exceeds downstream pressure by 1/4 to 1/2 psi
  • Vertical and horizontal mounting
  • Wafer style valve body is cast iron, seat ring is aluminum bronze, seat/seat seal are EPDM, aluminum bronze bushing and disc, with SS spring and hardware

Documents

Specifications

  • ADA Compliant
    No
  • ANSI Specifications
    ANSI B16.1
  • API Specifications
    API 598
  • Coating
    Epoxy
  • Collection
    681
  • End Connection 1
    Wafer
  • End Connection 2
    Wafer
  • End Connections
    Wafer
  • Fitting Size 1
    10 in
  • Fitting Sizes
    10 in
  • Installation Type
    Horizontal Mount, Vertical Mount
  • Length
    8-1/4 in
  • MSS Specifications
    MSS SP-6
  • Material
    Bronze, Cast Iron, Stainless Steel
  • Maximum Pressure
    200 psi
  • Maximum Temperature
    176
  • Pressure Class
    125#
  • Valve Body Style
    Wafer
  • Valve Disc Material
    Aluminum, Bronze
  • Valve Seat Material
    EPDM
  • Valve Size
    10 in
  • Valve Type
    Check Valve