Dual Plate Check Valve

Patented "slim" plate design giving improved flow efficiencies and superior metal-to-metal seating shut-off. 5 basic body styles: Wafer, Flanged, Solid Lug, Buttweld end, Hub end, and in an extensive range of sizes, pressure classes and materials.


  • Retainerless is standard in Goodwin Check Valves
  • No screwed body plugs
  • No leakpath to atmosphere
  • Emissions free design
  • No Fugitive Emissions

API 594

  • Designed in accordance with API 594
  • Face-to-face dimensions to API 594

Patented Plate Design

  • Pressure sensitive plate.
  • Improved flow efficiencies
  • Total Life Cycle Costs reduced
  • Superior metal-to-metal sealing
  • High degree of shut-off
  • BR Dimensions

Wafer design. Clamped between flanges with bolting around outside of valve.

Double flanged design. Permits installation in a piping system in same manner as any conventional double flanged valve, i.e. studs and nuts per flange

Hub-ended design. Clamped into a piping system using mechanical clamp connectors, e.g. Grayloc, Galperti.