Table of Contents

1 Scope
2 Normative References
3 Pressure-temperature Ratings
4 Design
5 Materials
6 Examination, Inspection, and Testing
7 Markings
8 Packaging and Shipping
Annex A (normative) - Disc-to-pipe Clearances
Annex B (normative) - Information to be Specified by
        Purchaser

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 that provide tight shutoff in the closed position.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	American Petroleum Institute
Pages
ISBN