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About This Item

 

Full Description

API Standard 594 covers design, material, face-to-face dimensions, pressure-temperature ratings, and examination, inspection, and test requirements for two types of check valves.

 

Document History

  1. API Std 594


    Check Valves: Flanged, Lug, Wafer and Butt-welding, 7th Edition

    • Most Recent
  2. API Std 594

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    viewing


    Check Valves: Flanged, Lug, Wafer and Butt-welding, 6th Edition

    • Historical Version
  3. API 598


    Check Valves: Wafer, Wafer-Lug, and Double Flanged Type

    • Historical Version