Check Valves

The CORTEC “STC” Compact Check Valve is a swing type check valve designed for high-pressure fluid applications.


Features and Benefits

  • Compact Check ValveMetal-to-metal sealed disc pin retainer.
  • Polymer seal in the seat retainer keeps it out of the flow stream.
  • Mechanically locked-in seat ring provides added safety and performance.
  • Disc swings completely out of the flow path reducing pressure drop and turbulence.
  • Multiple material springs are available to suit any application.
  • Provides positive shut-off in low-flow application.
  • Discs are easy to replace in the field.
  • Spring-loaded for low-pressure sealing.
  • High-torsion Inconel springs can be utilized, allowing for installation in both vertical and horizontal positions.


  • Sizes range from ½” to 14” (larger nominal sizes available upon request)
  • ANSI CL1500 to 20,000 psi working pressure
  • Bore sized to common piping schedules
  • Available in almost any size and type end connection
  • API 6FD Fire-safe design provides primary metal-to-metal seal at valve bonnet and end connections


Check Valves Sales

Download information on specifications, flange and size options.