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Silent Check Valve


The Silent Check Valve provides low headloss and non-slam operation in water pumping systems. The valve is compact and lightweight with a unique dovetail O-ring rubber seat for drop tight seating. For additional configurations, see Product versions below.

Meets American Iron and Steel requirements.

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General information

Product features and benefits

  • Rugged and corrosion resistant
  • Full flow area for low headloss
  • O-ring resilient seal for drop tight seating
  • Compact and lightweight
  • Plug guided at both ends
  • Standard Stainless Steel trim
  • Horizontal or vertical up installation
  • Class 125 and 250 flanged


  • Body: Ductile Iron, ASTM A536 Gr 65-45-12
  • Plug, Seat: Stainless Steel, Type 316
  • Spring: Stainless Steel, Type 302
  • O-Ring: Buna-N (other materials available)

Product versions


Product features and benefits
  • Longer body for greater flow through area
  • 2 ½” – 12’ Class 125 and 250 flanged


Product features and benefits
  • Short ring body
  • 1 ½” – 10” Class 125 and 250 flanged
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9025 Marshall Road
Cranberry Township, PA 16066
United States
+1 724-776-1020 +1 724-776-1254 Write e-mail