FZV Canada
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API 594 Swing Check Valves

FZV produces a wide range of API 594 Check Valves produced to the most demanding standards and for a wide range of applications.

Cast steel check valves are used in a broad range of applications and industries and are constructed of a wide range of materials including common carbon steel, alloy steel, and stainless steel.

Key Applications

  • For application in fields such as the electric power industry, petroleum refining, petrochemical engineering, offshore oil, tap water engineering in urban construction, chemical engineering, and others.

Design Features

  • Sizes from 2″ to 60″
  • Class range from 150 to 2500
  • The body doesn’t have penetrations from disc pin or shaft
  • High precision machined components
    • Lapped and polished seating surface
  • The disc rotates freely to avoid wearing from a fixed position
  • Top-entry and easily repairable


Design Standards

  • API 594
  • ASME B16.34


  • ASME B16.10

End Connections

  • ASME B16.5
  • ASME B16.25
  • ASME B16.47

Test Standards

  • ISO 5208
  • API 598