Table of Contents

Foreword
Committee Roster
Correspondence With the B16 Committee
Summary of Changes
1 Scope
2 Design
3 Pressure-Temperature Ratings
4 Size
5 Marking
6 Materials
7 Joints and Seats
8 Threading of Pipe Ends
9 Hydrostatic Strength
10 Tensile Strength
11 Air Pressure Test
12 Sampling for Air Pressure Test
13 Coatings
14 Dimensions
Mandatory Appendices
I - Dimensions and Pressure Ratings of Unions in U.S.
    Customary Units
II - References
Nonmandatory Appendix
A - Quality System Program

Abstract

This Standard covers threaded malleable iron unions, classes 150, 250, and 300.It also contains provisions for using steel for NPS 1/8 unions. This Standard includes requirements for design, pressure-temperature ratings, size, marking, materials, joints and seats, threads, hydrostatic strength, tensile strength, air pressure test, sampling, coatings, and dimensions.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	American Society of Mechanical Engineers
Pages
ISBN