Table of Contents

1 Scope
2 Normative References
3 Terms and Definitions
4 Pressure-temperature Ratings
5 Design
6 Materials
7 Examination, Inspection and Testing
8 Markings
9 Packaging and Shipping
10 Purchase Order Information
Annex A (informative) - Use of API Monogram by Licensees
Annex B (informative) - Information to be Specified by
        Purchaser
Annex C (informative) - Typical Butterfly Valve Construction
        and Nomenclature
Annex D (normative) - Disc-to-pipe Clearances
Bibliography

Abstract

Describes design, materials, face-to-face dimensions, pressure-temperature ratings, and examination, inspection and test requirements for gray iron, ductile iron, bronze, steel, nickel-based alloy, or special alloy butterfly valves position.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	American Petroleum Institute
Pages
ISBN
Supersedes	API 609 : 2015 API 609 : 2009