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Compact Check Valve CF Series :
HP/HT Compact Valves


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LTS offers a Custom range of Forged Body Compact Check Valves utilizing our FlangeTecŪ Compact Flanges. Check Valves comply with ANSI 16.34, API 6A and API 6D and offered through 60" size ranges and 15,000psi (1034bar). Check Valves are offered either Side (End) Entry or Top Entry, supplied with Metal Gasket Bonnet Seals, as well as Metal Seated and Hard Faced to provide Gas Tight Bubble Tight Shut Off under severe operating conditions. All valves are supplied with either Full, Reduced and/or Exact Port for Pipeline Pigging applications.


  1. Forged Body and Bonnet designs.
  2. B16.34, API 6D, API 6A, PED Certified
  3. 3D CAD modeling with component and integrated FEA design analysis
  4. Metal Seated Designs with Gas Tight Shut Off
  5. Hydro testing to 22,500psi
  6. Gas Testing to 15,000psi


  • Codes: ANSI B16.34, API 6D, API 6A, PED, API 6FD, API 607
  • Ratings: CLASS 600lbs through 4500lbs, and API 6A 2M thru 15M. Temperature range from -150°F (-101°C) to 500°F (260°C)
  • Sizes: 1/2" through 60" and 1.13/16" through 21.3/4"
  • Materials: CS c/w Cladding, Alloy, SS and Chrome/Nickel Alloys
  • Options: Third Party Design Verification as required


All Components are offered meeting NACE MR-0175 latest edition as required