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ASME B16.34 2017

ASME B16.34 2017

$98.04

ASME B16.34 Valves Flanged, Threaded, and Welding End

Published By Publication Date Number of Pages
ASME 2017 242
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This Standard applies to new construction. It covers pressure-temperature ratings, dimensions, tolerances, materials, nondestructive examination requirements, testing, and marking for cast, forged, and fabricated flanged, threaded, and welding end and wafer or flangeless valves of steel, nickel-base alloys, and other alloys shown in Table 1. Wafer or flangeless valves, bolted or through-bolt types, that are installed between flanges or against a flange are treated as flanged-end valves. Alternative rules for NPS 2½ and smaller valves are given in Mandatory Appendix V. 
This Standard is to be used in conjunction with equipment described in other volumes of the ASME B16 Series of Standards as well as with other ASME standards, such as the Boiler and Pressure Vessel Code and the B31 Piping Codes. Careful application of these B16 standards will help users to comply with applicable regulations within their jurisdictions, while achieving the operational, cost and safety benefits to be gained from the many industry best-practices detailed within these volumes.

PDF Catalog

PDF Pages PDF Title
4 CONTENTS
8 FOREWORD
10 Committee Roster
11 CORRESPONDENCE WITH THE B16 COMMITTEE
14 INTRODUCTION
15 ASME B16.34-2017 SUMMARY OF CHANGES
17 LIST OF CHANGES IN RECORD NUMBER ORDER
18 1 SCOPE
1.1 General
1.2 Applicability
1.3 Selection of Valve Types and Material Service Conditions
1.4 Convention
1.5 Denotation
19 1.6 Cryogenic Service
1.7 References
2 PRESSURE–TEMPERATURE RATINGS
2.1 General
20 2.2 Rating Temperature
2.3 Temperature Effects
2.4 Guidance for the Use of Flanged Valve Ratings
2.5 Variances
21 2.6 Multiple Material Grades
2.7 Local Operating Conditions
3 NOMINAL PIPE SIZE
4 MARKING
4.1 General
4.2 Identification Markings
22 4.3 Identification Plate
4.4 Conformity
5 MATERIALS
5.1 General
23 5.2 Material Selection
5.3 Electrical Continuity
5.4 Flange Removal
6 DIMENSIONS
6.1 Body Dimensions
25 6.2 End Dimensions
6.3 Auxiliary Connections
26 6.4 Valve Joints
27 6.5 Stems
6.6 Installation Limitations
6.7 Wafer or Flangeless Valves
28 7 PRESSURE TESTING
7.1 Shell Test
7.2 Valve Closure Tests
29 7.3 Leakage Detection Devices
7.4 Surface Protection
8 REQUIREMENTS FOR SPECIAL CLASS VALVES
8.1 Scope
8.2 General
8.3 Required Examination
30 8.4 Defect Removal and Repair
31 Figures
Figure 1 Method of Designating Location of Auxiliary Connections When Specified
32 Figure 2 Butterfly Valve Body
33 Figure 3 Thread Length for Auxiliary Connections
Figure 4 Bosses for Auxiliary Connections
34 Figure 5 Socket Welding for Auxiliary Connections
Figure 6 Butt Welding for Auxiliary Connections
35 Figure 7 Gate Body (Pressure Seal Bonnet)
Figure 8 Y Pattern Globe Body (Pressure Seal Bonnet)
36 Figure 9 Angle Body (Pressure Seal Bonnet): Bonnet Same As Y Pattern Globe
Figure 10 Elbow Down (Pressure Seal Bonnet)
37 Figure 11 Gate Body (Flanged Bonnet)
Figure 12 Globe Body (Flanged Bonnet)
38 Figure 13 Butterfly Body
Figure 14 Plug Body
39 Figure 15 Conduit Gate Body (Pressure Seal Bonnet)
Figure 16 Dished Cover
Figure 17 Flat Cover
40 Tables
Table 1 Material Specification List: Applicable ASTM Specifications
45 Table 2-1.1 Ratings for Group 1.1 Materials
47 Table 2-1.2 Ratings for Group 1.2 Materials
49 Table 2-1.3 Ratings for Group 1.3 Materials
51 Table 2-1.4 Ratings for Group 1.4 Materials
53 Table 2-1.5 Ratings for Group 1.5 Materials
54 Table 2-1.6 Ratings for Group 1.6 Materials
55 Table 2-1.7 Ratings for Group 1.7 Materials
57 Table 2-1.8 Ratings for Group 1.8 Materials
59 Table 2-1.9 Ratings for Group 1.9 Materials
61 Table 2-1.10 Ratings for Group 1.10 Materials
63 Table 2-1.11 Ratings for Group 1.11 Materials
65 Table 2-1.12 Ratings for Group 1.12 Materials
67 Table 2-1.13 Ratings for Group 1.13 Materials
69 Table 2-1.14 Ratings for Group 1.14 Materials
71 Table 2-1.15 Ratings for Group 1.15 Materials
73 Table 2-1.16 Ratings for Group 1.16 Materials
75 Table 2-1.17 Ratings for Group 1.17 Materials
77 Table 2-1.18 Ratings for Group 1.18 Materials
79 Table 2-2.1 Ratings for Group 2.1 Materials
81 Table 2-2.2 Ratings for Group 2.2 Materials
83 Table 2-2.3 Ratings for Group 2.3 Materials
84 Table 2-2.4 Ratings for Group 2.4 Materials
86 Table 2-2.5 Ratings for Group 2.5 Materials
88 Table 2-2.6 Ratings for Group 2.6 Materials
90 Table 2-2.7 Ratings for Group 2.7 Materials
92 Table 2-2.8 Ratings for Group 2.8 Materials
93 Table 2-2.9 Ratings for Group 2.9 Materials
95 Table 2-2.10 Ratings for Group 2.10 Materials
97 Table 2-2.11 Ratings for Group 2.11 Materials
99 Table 2-2.12 Ratings for Group 2.12 Materials
101 Table 2-3.1 Ratings for Group 3.1 Materials
102 Table 2-3.2 Ratings for Group 3.2 Materials
103 Table 2-3.3 Ratings for Group 3.3 Materials
105 Table 2-3.4 Ratings for Group 3.4 Materials
106 Table 2-3.5 Ratings for Group 3.5 Materials
108 Table 2-3.6 Ratings for Group 3.6 Materials
110 Table 2-3.7 Ratings for Group 3.7 Materials
111 Table 2-3.8 Ratings for Group 3.8 Materials
113 Table 2-3.9 Ratings for Group 3.9 Materials
115 Table 2-3.10 Ratings for Group 3.10 Materials
116 Table 2-3.11 Ratings for Group 3.11 Materials
117 Table 2-3.12 Ratings for Group 3.12 Materials
118 Table 2-3.13 Ratings for Group 3.13 Materials
119 Table 2-3.14 Ratings for Group 3.14 Materials
120 Table 2-3.15 Ratings for Group 3.15 Materials
122 Table 2-3.16 Ratings for Group 3.16 Materials
124 Table 2-3.17 Ratings for Group 3.17 Materials
125 Table 2-3.18 Ratings for Group 3.18 Materials
127 Table 2-3.19 Ratings for Group 3.19 Materials
129 Table 3A Valve Body Minimum Wall Thickness, tm, mm
133 Table 3B Valve Body Minimum Wall Thickness, tm, in.
137 Table 4 Minimum Wall Thickness for Socket Welding and Threaded Ends
138 MANDATORY APPENDICES
MANDATORY APPENDIX I RADIOGRAPHY EXAMINATION: PROCEDURE AND ACCEPTANCE STANDARDS
I-1 RADIOGRAPHY PROCEDURE
I-2 ACCEPTANCE STANDARDS
139 Table I-1 Acceptance Criteria for Thickness per Para. I-2(a)
Table I-2 Acceptance Criteria for Thickness per Para. I-2(b)
Table I-3 Acceptance Criteria for Thickness per Para. I-2(c)
Table I-1 Acceptance Criteria for Thickness per Para. I-2(a)
Table I-2 Acceptance Criteria for Thickness per Para. I-2(b)
Table I-3 Acceptance Criteria for Thickness per Para. I-2(c)
140 MANDATORY APPENDIX II MAGNETIC PARTICLE EXAMINATION: PROCEDURE AND ACCEPTANCE STANDARDS
II-1 PROCEDURE
II-2 ACCEPTANCE STANDARDS1An indication may be larger than the imperfection that causes it; however, the size of the indication is the basis for acceptance evaluation.
II-2.1 Castings
II-2.2 Forgings and Rolled or Wrought Material
141 MANDATORY APPENDIX III LIQUID PENETRANT EXAMINATION: PROCEDURE AND ACCEPTANCE STANDARDS
III-1 PROCEDURE
III-2 ACCEPTANCE STANDARDS1An indication may be larger than the imperfection that causes it; however, the size of the indication is the basis for acceptance evaluation.
III-2.1 Castings
III-2.2 Forgings and Rolled or Wrought Material
142 MANDATORY APPENDIX IV ULTRASONIC EXAMINATION: PROCEDURE AND ACCEPTANCE STANDARDS
IV-1 PROCEDURE
IV-2 ACCEPTANCE STANDARDS
IV-2.1 Straight Beam Examination
IV-2.2 Angle Beam Examination
143 MANDATORY APPENDIX V REQUIREMENTS FOR LIMITED CLASS VALVES
V-1 GENERAL
V-1.2 Applicability
V-2.1 General
V-2.1.3 Limited Class Rating Method.
V-2.1.6 Fabrication by Welding.
V-4.2.3 Rating.
V-6.1 Body Dimensions
V-6.1.1 Wall Thickness.
V-6.1.2 Inside Diameter.
V-6.1.3 Valve Body Necks.
144 Figure V-1 Limited Class Stress Area Limits
Table V-1 Material Coefficient, y
V-6.1.5 Contours for Body Run Transitions.
V-6.1.8 Additional Metal Thickness.
Table V-1 Material Coefficient, y
Figure V-1 Limited Class Stress Area Limits
146 Table VI-1 Basis Equations for Minimum Wall Thickness, mm
MANDATORY APPENDIX VI BASIS EQUATIONS FOR MINIMUM WALL THICKNESS
VI-1 MINIMUM WALL THICKNESS EQUATIONS
VI-2 DESIGN VALUES
Table VI-1 Basis Equations for Minimum Wall Thickness, mm
147 Table VI-2 Basis Equations for Minimum Wall Thickness, in.
Table VI-2 Basis Equations for Minimum Wall Thickness, in.
148 MANDATORY APPENDIX VII PRESSURE–TEMPERATURE RATINGS: U.S. CUSTOMARY UNITS1For metric units, see Table 2-1.1 through Table 2-3.19.
149 Table VII-2-1.1 Ratings for Group 1.1 Materials
Table VII-2-1.1 Ratings for Group 1.1 Materials
150 Table VII-2-1.2 Ratings for Group 1.2 Materials
Table VII-2-1.2 Ratings for Group 1.2 Materials
151 Table VII-2-1.3 Ratings for Group 1.3 Materials
Table VII-2-1.3 Ratings for Group 1.3 Materials
153 Table VII-2-1.4 Ratings for Group 1.4 Materials
Table VII-2-1.4 Ratings for Group 1.4 Materials
154 Table VII-2-1.5 Ratings for Group 1.5 Materials
Table VII-2-1.5 Ratings for Group 1.5 Materials
155 Table VII-2-1.6 Ratings for Group 1.6 Materials
Table VII-2-1.6 Ratings for Group 1.6 Materials
156 Table VII-2-1.7 Ratings for Group 1.7 Materials
Table VII-2-1.7 Ratings for Group 1.7 Materials
157 Table VII-2-1.8 Ratings for Group 1.8 Materials
Table VII-2-1.8 Ratings for Group 1.8 Materials
159 Table VII-2-1.9 Ratings for Group 1.9 Materials
Table VII-2-1.9 Ratings for Group 1.9 Materials
161 Table VII-2-1.10 Ratings for Group 1.10 Materials
Table VII-2-1.10 Ratings for Group 1.10 Materials
163 Table VII-2-1.11 Ratings for Group 1.11 Materials
Table VII-2-1.11 Ratings for Group 1.11 Materials
165 Table VII-2-1.12 Ratings for Group 1.12 Materials
Table VII-2-1.12 Ratings for Group 1.12 Materials
167 Table VII-2-1.13 Ratings for Group 1.13 Materials
Table VII-2-1.13 Ratings for Group 1.13 Materials
169 Table VII-2-1.14 Ratings for Group 1.14 Materials
Table VII-2-1.14 Ratings for Group 1.14 Materials
171 Table VII-2-1.15 Ratings for Group 1.15 Materials
Table VII-2-1.15 Ratings for Group 1.15 Materials
173 Table VII-2-1.16 Ratings for Group 1.16 Materials
Table VII-2-1.16 Ratings for Group 1.16 Materials
175 Table VII-2-1.17 Ratings for Group 1.17 Materials
Table VII-2-1.17 Ratings for Group 1.17 Materials
177 Table VII-2-1.18 Ratings for Group 1.18 Materials
Table VII-2-1.18 Ratings for Group 1.18 Materials
179 Table VII-2-2.1 Ratings for Group 2.1 Materials
Table VII-2-2.1 Ratings for Group 2.1 Materials
181 Table VII-2-2.2 Ratings for Group 2.2 Materials
Table VII-2-2.2 Ratings for Group 2.2 Materials
183 Table VII-2-2.3 Ratings for Group 2.3 Materials
Table VII-2-2.3 Ratings for Group 2.3 Materials
184 Table VII-2-2.4 Ratings for Group 2.4 Materials
Table VII-2-2.4 Ratings for Group 2.4 Materials
186 Table VII-2-2.5 Ratings for Group 2.5 Materials
Table VII-2-2.5 Ratings for Group 2.5 Materials
188 Table VII-2-2.6 Ratings for Group 2.6 Materials
Table VII-2-2.6 Ratings for Group 2.6 Materials
190 Table VII-2-2.7 Ratings for Group 2.7 Materials
Table VII-2-2.7 Ratings for Group 2.7 Materials
192 Table VII-2-2.8 Ratings for Group 2.8 Materials
Table VII-2-2.8 Ratings for Group 2.8 Materials
193 Table VII-2-2.9 Ratings for Group 2.9 Materials
Table VII-2-2.9 Ratings for Group 2.9 Materials
195 Table VII-2-2.10 Ratings for Group 2.10 Materials
Table VII-2-2.10 Ratings for Group 2.10 Materials
197 Table VII-2-2.11 Ratings for Group 2.11 Materials
Table VII-2-2.11 Ratings for Group 2.11 Materials
199 Table VII-2-2.12 Ratings for Group 2.12 Materials
Table VII-2-2.12 Ratings for Group 2.12 Materials
201 Table VII-2-3.1 Ratings for Group 3.1 Materials
Table VII-2-3.1 Ratings for Group 3.1 Materials
202 Table VII-2-3.2 Ratings for Group 3.2 Materials
Table VII-2-3.2 Ratings for Group 3.2 Materials
203 Table VII-2-3.3 Ratings for Group 3.3 Materials
Table VII-2-3.3 Ratings for Group 3.3 Materials
205 Table VII-2-3.4 Ratings for Group 3.4 Materials
Table VII-2-3.4 Ratings for Group 3.4 Materials
206 Table VII-2-3.5 Ratings for Group 3.5 Materials
Table VII-2-3.5 Ratings for Group 3.5 Materials
208 Table VII-2-3.6 Ratings for Group 3.6 Materials
Table VII-2-3.6 Ratings for Group 3.6 Materials
210 Table VII-2-3.7 Ratings for Group 3.7 Materials
Table VII-2-3.7 Ratings for Group 3.7 Materials
211 Table VII-2-3.8 Ratings for Group 3.8 Materials
Table VII-2-3.8 Ratings for Group 3.8 Materials
213 Table VII-2-3.9 Ratings for Group 3.9 Materials
Table VII-2-3.9 Ratings for Group 3.9 Materials
214 Table VII-2-3.10 Ratings for Group 3.10 Materials
Table VII-2-3.10 Ratings for Group 3.10 Materials
215 Table VII-2-3.11 Ratings for Group 3.11 Materials
Table VII-2-3.11 Ratings for Group 3.11 Materials
216 Table VII-2-3.12 Ratings for Group 3.12 Materials
Table VII-2-3.12 Ratings for Group 3.12 Materials
217 Table VII-2-3.13 Ratings for Group 3.13 Materials
Table VII-2-3.13 Ratings for Group 3.13 Materials
218 Table VII-2-3.14 Ratings for Group 3.14 Materials
Table VII-2-3.14 Ratings for Group 3.14 Materials
219 Table VII-2-3.15 Ratings for Group 3.15 Materials
Table VII-2-3.15 Ratings for Group 3.15 Materials
221 Table VII-2-3.16 Ratings for Group 3.16 Materials
Table VII-2-3.16 Ratings for Group 3.16 Materials
222 Table VII-2-3.17 Ratings for Group 3.17 Materials
Table VII-2-3.17 Ratings for Group 3.17 Materials
223 Table VII-2-3.18 Ratings for Group 3.18 Materials
Table VII-2-3.18 Ratings for Group 3.18 Materials
225 Table VII-2-3.19 Ratings for Group 3.19 Materials
Table VII-2-3.19 Ratings for Group 3.19 Materials
227 MANDATORY APPENDIX VIII REFERENCES
231 NONMANDATORY APPENDICES
NONMANDATORY APPENDIX A RELATIONSHIP BETWEEN NOMINAL PIPE SIZE AND INSIDE DIAMETER
232 Table A-1 Inside Diameter, d
Table A-1 Inside Diameter, d
233 NONMANDATORY APPENDIX B METHOD USED FOR ESTABLISHING PRESSURE–TEMPERATURE RATINGS
B-1 GENERAL CONSIDERATIONS
B-1.1 Introduction
B-1.2 Materials
B-1.3 Wall Thickness
B-1.4 Additional Considerations
B-1.5 Material Properties
B-1.6 Material Groups
234 B-2 STANDARD CLASS RATING METHOD
B-2.1 Method for Group 1 Materials
B-2.2 Method for Groups 2 and 3 Materials
B-2.3 Method for Class 150 — All Materials
235 B-3 SPECIAL CLASS RATING METHOD
B-4 INTERMEDIATE RATING CLASS METHOD
B-4.1 Conception
B-4.2 Nomenclature
236 Table B-1 Pressure–Temperature Matrix
Table B-2 Class-Diameter Matrix
B-4.3 Interpolation for Intermediate Pressure Ratings
B-4.4 Wall Thickness for Intermediate Ratings
B-5 MAXIMUM RATINGS
Table B-1 Pressure–Temperature Matrix
Table B-2 Class-Diameter Matrix
237 Table B-3M Ceiling Pressure, bar
Table B-3M Ceiling Pressure, bar
239 Table B-3 Ceiling Pressure, psi
Table B-3 Ceiling Pressure, psi
241 NONMANDATORY APPENDIX C QUALITY SYSTEM PROGRAM

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ASME B16.34 2017
$98.04