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Watts 1/4 In Lead Free Brass Silent Check Valve, PTFE Seat

SKU: 0555173

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Product Details

Watts 0555173

This 1/4'' lead free Maxi-Flo check valve is used in general industrial and plumbing applications to prevent the effects of water hammer in the piping system. It provides a silent operation with low pressure drop and can be installed horizontally or vertically. This valve consists of a lead free brass body, lead free brass check and adapter, conical lead free brass disc, PTFE seat and threaded end connections. The maximum working pressure rating is 400 psi (27.6 bar), WOG non-shock at minus 20 to 100 deg F (minus 29 to 38 deg C) and 15 psi (1 bar) WSP at 250 deg F (121 deg C).


  • UPC 098268432831
  • Online Product ID 9691610
  • Material Copper Silicon
  • Body Pattern Straight
  • Disc Material Brass
  • Disc Type Conical
  • Inlet Connection Size 0.25''
  • Inlet Connection Size Metric 8 mm
  • Inlet Connection Type Female Threaded
  • Inlet Thread Type FPT
  • Lead Free yes
  • Maximum Temperature Deg F 100
  • Minimum Temperature Deg F -20
  • Outlet Connection Size 0.25''
  • Outlet Connection Thread Type FPT
  • Outlet Connection Type Female Threaded
  • Seat Material PTFE
  • Series LF600
  • Wog Rating 400 psi

Additional information

  • Lead free brass body
  • PTFE seat
  • Silent operation
  • Conical lead free brass disc

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