API STD 594
API STD 594, 10th Edition: Check Valves: Flanged, Lug, Wafer, and Butt-welding
CDN $283.00
This publication was last reviewed and confirmed in 2026.
Check Valves: Flanged, Lug, Wafer, and Butt-welding
Description
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.
Edition
10th Edition
Published Date
2026-09-16
Status
Current
Pages
45
Language
English
Format
Secure PDF
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Abstract
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.
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