Manually Operated Thermoplastic Gas Shutoffs and Valves in Gas Distribution Systems

AN A MERICAN NA TIONAL S T AND ARD

ASME B16.40-2019

(Revision of ASME B16.40-2013)

ASME B16.40-2019

(Revision of ASME B16.40-2013)

Manually Operated

Thermoplastic Gas Shutoffs and Valves in Gas Distribution Systems

AN AMERICAN NATIONAL STANDARD

Date of Issuance: February 11, 2019

The next edition of this Standard is scheduled for publication in 2024.

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CONTENTS

Foreword iv

Committee Roster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v

Correspondence With the B16 Committee vi

Summary of Changes viii

List of Changes in Record Number Order ix

1 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

2 Construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

3 Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

4 Pressure Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

5 Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

6 Production and Qualification Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

iii