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API STD 594
Check Valves: Flanged, Lug, Wafer, and Butt-welding, Tenth Edition, Includes Errata 1 (2026)
Translate name
STANDARD published on 1.9.2026
The information about the standard:
Designation standards: API STD 594
Publication date standards: 1.9.2026
SKU: NS-1287938
The number of pages: 45
Approximate weight : 135 g (0.30 lbs)
Country: American technical standard
Category: Technical standards API
Annotation of standard text API STD 594 :
This standard covers the design, materials, face-to-face dimensions, pressure-temperature ratings, inspection, examination, and testing requirements for check valves type A and type B.Other types of check valves, such as axial disc or body/stem guided disc (center spring type) valves, nozzle-type check valves, or lift-type check valves, are not included in this standard.The purchase of this document includes an Excel® spreadsheet.
These adjuncts apply to this standard:
API STD 594/Err1
Adjunct of the standard
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Errata 1 to Check Valves: Flanged, Lug, Wafer, and Butt-welding, Tenth Edition
Adjunct of the standard published on 1.10.2026
Selected format: English - electronic (protected pdf) (ON REQUEST)
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