ASME B16.34 2013下载- Valves-Flanged,Threaded, and welding ends

开云vip登录入口

CONTENTS
Foreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v
Committee Roster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viii
Correspondence With the B16 Committee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x
Summary of Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi
1 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2 Pressure–Temperature Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
3 Nominal Pipe Size. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
4 Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
5 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
6 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
7 Pressure Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
8 Requirements for Special Class Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figures
1 Method of Designating Location of Auxiliary Connections When Specified . . . . . . . . 14
2 Butterfly Valve Body . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3 Thread Length for Auxiliary Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
4 Bosses for Auxiliary Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5 Socket Welding for Auxiliary Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6 Butt Welding for Auxiliary Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
7 Gate Body (Pressure Seal Bonnet) . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
8 Y Pattern Globe Body (Pressure Seal Bonnet) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
9 Angle Body (Pressure Seal Bonnet): Bonnet Same as Y Pattern Globe . . . . . . . . . . . . . . 18
10 Elbow Down
(Pressure Seal Bonnet) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
11 Gate Body
(Flanged Bonnet) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
12 Globe Body (Flanged Bonnet) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
13 But
fly Body . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
14 Plug Body . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
15
Conduit Gate Body (Pressure Seal Bonnet) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
16
Dished Cover . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
17 Flat Cover . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Tables
1 Materia ecification List: Applicable ASTM Specification . . . . . . . . . . . . . . . . . . . . . . . . 23
2 Pressure–Temperature Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
3A Valve Body Minimum Wall Thickness, tm, mm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
3B lve Body Minimum Wall Thickness, tm, in. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
4 Minimum Wall Thickness for Socket Welding and Threaded Ends . . . . . . . . . . . . . . . . . 101
Mandatory Appendices
I Radiography Examination: Procedure and Acceptance Standards . . . . . . . . . . . . . . . . . . 103
II Magnetic Particle Examination: Procedure and Acceptance Standards . . . . . . . . . . . . . . 105
III Liquid Penetrant Examination: Procedure and Acceptance Standards . . . . . . . . . . . . . . 106
IV Ultrasonic Examination: Procedure and Acceptance Standards . . . . . . . . . . . . . . . . . . . . . 107
V Requirements for Limited Class Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
VI Basis Equations for Minimum Wall Thickness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
VII Pressure–Temperature Ratings: U.S. Customary Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
VIII References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Nonmandatory Appendices
A Relationship Between Nominal Pipe Size and Inside Diameter . . . . . . . . . . . . . . . . . . . . 182
B Method Used for Establishing Pressure–Temperature Ratings . . . . . . . . . . . . . . . . . . . . . . 184
C Quality System Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191

INTRODUCTION
An American National Standard is intended as a basis for common practice by the manufacturer,
the user, and the general public. The existence of an American National Standard does not in
itself preclude the manufacture, sale, or use of products not conforming to the standard. Mandatory
conformance is established, for example, by reference to the standard in a code, specification,
sales contract, or public law.
It should be noted, specifically regarding this Standard, that certain requirements reflecting
the general application of valves in a wide variety of services may not be considered to be
appropriate for some valves whose application is known and which may incorporate certain
features found by successful experience to be satisfactory. A specific case in point is that involving
valves developed and used in gas and petroleum product pipelines. Conformance of such valves
to the existing API 6D may by itself be sufficient to satisfy requirements of federal rules and
regulations established by the Department of Transportation, Office of Pipeline Safety Operations.
Another specific case is that involving valves used in instrument systems under an applicable
piping code. Conformance of such valves to the requirements of an existing piping code may by
itself be sufficient to satisfy jurisdictional rules and regulations.
This edition of ASME B16.34 states values in both Metric and U.S. Customary units of measurement.
These systems of units are to be regarded separately. The values stated in each system are
not exact equivalents; therefore each system shall be used independently of the other. Combining
values from the two systems constitutes nonconformance with this Standard.

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