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ASME B16.34 Valves - Flanged, Threaded, and Welding End , 2004
- CONTENTS
- FOREWORD
- COMMITTEE ROSTER
- CORRESPONDENCE WITH THE B16 COMMITTEE
- INTRODUCTION
- 1 SCOPE [Go to Page]
- 1.1 General
- 1.2 Applicability [Go to Page]
- 1.2.1 Standards and Specifications.
- 1.2.2 Time of Purchase, Manufacture, or Installation.
- 1.2.3 User Accountability.
- 1.2.4 Quality Systems.
- 1.2.5 Relevant Units.
- 1.3 Service Conditions
- 1.4 Convention
- 1.5 Denotation [Go to Page]
- 1.5.1 Pressure Rating Designation.
- 1.5.2 Size.
- 1.6 References
- 2 PRESSURE- TEMPERATURE RATINGS [Go to Page]
- 2.1 General [Go to Page]
- 2.1.1 Rating Designations.
- 2.1.2 Standard Class Valves.
- 2.1.3 Special Class Valves.
- 2.1.4 Limited Class Valves.
- 2.1.5 Intermediate Rated Valves.
- 2.1.6 Valves Fabricated by Welding.
- 2.2 Rating Temperature
- 2.3 Temperature Effects [Go to Page]
- 2.3.1 High Temperature.
- 2.3.2 Low Temperature.
- 2.3.3 Fluid Thermal Expansion.
- 2.4 Guidance for the Use of Flanged Valve Ratings
- 2.5 Variances [Go to Page]
- 2.5.1 Safety Valves, Relief Valves, or Rupture Disk Operation.
- 2.5.2 Other Variances.
- 2.5.3 System Hydrostatic Tests.
- 2.6 Multiple Material Grades
- 2.7 Local Operating Conditions
- 3 NOMINAL PIPE SIZE
- 4 MARKING [Go to Page]
- 4.1 General
- 4.2 Identification Markings [Go to Page]
- 4.2.1 Name.
- 4.2.2 Materials.
- 4.2.3 Rating.
- 4.2.4 Temperature.
- 4.2.5 Size.
- 4.2.6. Omission of Markings.
- 4.2.7 Ring- Joint Flange.
- 4.2.8 Multiple Material Marking.
- 4.3 Identification Plate [Go to Page]
- 4.3.1 Attachment.
- 4.3.2 Pressure Markings.
- 4.3.3 Special Markings.
- 4.4 Conformity [Go to Page]
- 4.4.1 Designation.
- 4.4.2 Compliance.
- 5 MATERIALS [Go to Page]
- 5.1 General [Go to Page]
- 5.1.1 Application.
- 5.1.2 Carbon Steel Bonnet or Cover Bolting.
- 5.1.3 Investment Castings.
- 5.1.4 Cast Surfaces.
- 5.1.5 Mechanical Properties.
- 5.2 Material Selection [Go to Page]
- 5.2.1 Service Conditions.
- 5.2.2 Responsibility.
- 5.3 Electrical Continuity
- 5.4 Flange Removal
- 6 DIMENSIONS [Go to Page]
- 6.1 Body Dimensions [Go to Page]
- 6.1.1 Wall Thickness.
- 6.1.2 Inside Diameter.
- 6.1.3 Valve Body Necks.
- 6.1.4 Valves With Intermediate Ratings.
- 6.1.5 Contours at Body Ends.
- 6.1.6 Local Areas.
- 6.1.7 Additional Metal Thickness.
- 6.2 End Dimensions [Go to Page]
- 6.2.1 Buttwelding Ends.
- 6.2.2 Flanged Ends.
- 6.2.3 SocketWelding Ends.
- 6.2.4 Threaded Ends.
- 6.2.5 Intermediate Rated Socket Welding and Threaded- End Valves.
- 6.2.6 End to End.
- 6.3 Auxiliary Connections [Go to Page]
- 6.3.1 General.
- 6.3.2 Pipe Thread Tapping.
- 6.3.3 Socket Welding.
- 6.3.4 Butt Welding.
- 6.3.5 Bosses.
- 6.3.6 Size.
- 6.3.7 Designating Locations.
- 6.4 Valve Joints [Go to Page]
- 6.4.1 Bonnet or Cover Joints. [Go to Page]
- 6.4.1.1 Bolted Bonnet or Cover Joints.
- 6.4.1.2 Threaded Bonnet or Cover Joints.
- 6.4.2 Body Joints. [Go to Page]
- 6.4.2.1 Bolted Body Joints.
- 6.4.2.2 Threaded Body Joints.
- 6.4.3 Additional Considerations.
- 6.5 Stems [Go to Page]
- 6.5.1 Stem Retention [Go to Page]
- 6.5.1.1 Retention by Stem Seal Elements.
- 6.5.1.2 Retention by Closure Member.
- 6.5.1.3 Material Deterioration.
- 6.5.2 Position Indication.
- 6.6 Installation Limitations [Go to Page]
- 6.6.1 Single Flange Installation.
- 6.6.2 Disk Clearance.
- 6.7 Wafer or Flangeless Valves
- 7 PRESSURE TESTING [Go to Page]
- 7.1 Shell Test [Go to Page]
- 7.1.1 Shell Test Pressure.
- 7.1.2 Test Duration.
- 7.1.3 Acceptability.
- 7.2 Valve Closure Tests4 [Go to Page]
- 7.2.1 Closure Test Pressure.
- 7.2.2 Closure Test Duration.
- 7.2.3 Double Seating.
- 7.2.4 Directional Seating.
- 7.2.5 Restricted Seating.
- 7.3 Leakage Detection Devices
- 7.4 Surface Protection
- 8 REQUIREMENTS FOR SPECIAL CLASS VALVES [Go to Page]
- 8.1 Scope
- 8.2 General
- 8.3 Required Examination [Go to Page]
- 8.3.1 Castings [Go to Page]
- 8.3.1.1 Radiographic Examination.
- 8.3.1.2 Surface Examination.
- 8.3.1.3 Ultrasonic Examination.
- 8.3.2 Forgings, Bars, Plates, and Tubular Products [Go to Page]
- 8.3.2.1 Ultrasonic or Radiographic Examination.
- 8.3.2.2 Surface Examination.
- 8.3.3 Welded Fabrication.
- 8.4 Defect Removal and Repair [Go to Page]
- 8.4.1 Defect Removal.
- 8.4.2 Repair by Welding.
- Figures [Go to Page]
- 1 Method of Designating Location of Auxiliary Connections When Specified
- 2 Thread Length for Auxiliary Connections
- 3 Socket Welding for Auxiliary Connections
- 4 Butt Welding for Auxiliary Connections
- 5 Bosses for Auxiliary Connections
- 6 Gate Body (Pressure Seal Bonnet)
- 7 Y Pattern Globe Body (Pressure Seal Bonnet)
- 8 Angle Body (Pressure Seal Bonnet) Bonnet Same As Y Pattern Globe
- 9 Elbow Down (Pressure Seal Bonnet)
- 10 Gate Body (Flanged Bonnet)
- 11 Globe Body (Flanged Bonnet)
- 12 Butterfly Body
- 13 Plug Body
- 14 Conduit Gate Body (Pressure Seal Bonnet)
- 15 Dished Cover
- 16 Flat Cover
- 17 Butterfly Valve Body
- Tables [Go to Page]
- 1 Material Specification List: Applicable ASTM Specification
- 2 Pressure-Temperature Ratings [Go to Page]
- 2-1.1 Ratings for Group 1.1 Materials
- 2-1.2 Ratings for Group 1.2 Materials
- 2-1.3 Ratings for Group 1.3 Materials
- 2-1.4 Ratings for Group 1.4 Materials
- 2-1.5 Ratings for Group 1.5 Materials
- 2-1.6 Ratings for Group 1.6 Materials
- 2-1.7 Ratings for Group 1.7 Materials
- 2-1.8 Ratings for Group 1.8 Materials
- 2-1.9 Ratings for Group 1.9 Materials
- 2-1.10 Ratings for Group 1.10 Materials
- 2-1.11 Ratings for Group 1.11 Materials
- 2-1.12 Ratings for Group 1.12 Materials
- 2-1.13 Ratings for Group 1.13 Materials
- 2-1.14 Ratings for Group 1.14 Materials
- 2-1.15 Ratings for Group 1.15 Materials
- 2-1.16 Ratings for Group 1.16 Materials
- 2-1.17 Ratings for Group 1.17 Materials
- 2-2.1 Ratings for Group 2.1 Materials
- 2-2.2 Ratings for Group 2.2 Materials
- 2-2.3 Ratings for Group 2.3 Material
- 2-2.4 Ratings for Group 2.4 Materials
- 2-2.5 Ratings for Group 2.5 Materials
- 2-2.6 Ratings for Group 2.6 Materials
- 2-2.7 Ratings for Group 2.7 Materials
- 2-2.8 Ratings for Group 2.8 Materials
- 2-2.9 Ratings for Group 2.9 Materials
- 2-2.10 Ratings for Group 2.10 Materials
- 2-2.11 Ratings for Group 2.11 Materials
- 2-2.12 Ratings for Group 2.12 Materials
- 2-3.1 Ratings for Group 3.1 Materials
- 2-3.2 Ratings for Group 3.2 Materials
- 2-3.3 Ratings for Group 3.3 Materials
- 2-3.4 Ratings for Group 3.4 Materials
- 2-3.5 Ratings for Group 3.5 Materials
- 2-3.6 Ratings for Group 3.6 Materials
- 2-3.7 Ratings for Group 3.7 Materials
- 2-3.8 Ratings for Group 3.8 Materials
- 2-3.9 Ratings for Group 3.9 Materials
- 2-3.10 Ratings for Group 3.10 Materials
- 2-3.11 Ratings for Group 3.11 Materials
- 2-3.12 Ratings for Group 3.12 Materials
- 2-3.13 Ratings for Group 3.13 Materials
- 2-3.14 Ratings for Group 3.14 Materials
- 2-3.15 Ratings for Group 3.15 Materials
- 2-3.16 Ratings for Group 3.16 Materials
- 2-3.17 Ratings for Group 3.17 Materials
- 2-3.18 Ratings for Group 3.18 Materials
- 3 Valve Body Minimum Wall Thickness, tm, mm [Go to Page]
- 3-A Valve Body Minimum Wall Thickness, tm, mm
- 3-B Valve Body Minimum Wall Thickness, tm, in.
- 4 Minimum Wall Thickness for Socket Welding and Threaded Ends
- Mandatory Appendices [Go to Page]
- I RADIOGRAPHY EXAMINATION: PROCEDURE AND ACCEPTANCE STANDARDS [Go to Page]
- I-1 RADIOGRAPHY PROCEDURE [Go to Page]
- I-1.1
- I-1.2
- I-1.3
- I-1.4
- I-1.5
- I-1.6
- I-1.7
- I-1.8
- I-1.9
- I-1.10
- I-1.11
- I-2 ACCEPTANCE STANDARDS [Go to Page]
- I-2.1
- I-2.2
- I-2.3
- II MAGNETIC PARTICLE EXAMINATION: PROCEDURE AND ACCEPTANCE STANDARDS [Go to Page]
- II-1 PROCEDURE
- II-2 ACCEPTANCE STANDARDS [Go to Page]
- II-2.1 Castings
- II-2.2 Forgings and Rolled or Wrought Material
- III LIQUID PENETRANT EXAMINATION: PROCEDURE AND ACCEPTANCE STANDARDS [Go to Page]
- III-1 PROCEDURE
- III-2 ACCEPTANCE STANDARDS [Go to Page]
- III-2.1 Castings
- III-2.2 Forgings and Rolled or Wrought Material
- IV ULTRASONIC EXAMINATION: PROCEDURE AND ACCEPTANCE STANDARDS [Go to Page]
- IV-1 PROCEDURE
- IV-2 ACCEPTANCE STANDARDS [Go to Page]
- IV-2.1 Straight Beam Examination
- IV-2.2 Angle Beam Examination
- V REQUIREMENTS FOR LIMITED CLASS VALVES [Go to Page]
- V-1 GENERAL [Go to Page]
- V-1.2 Applicability
- V-2.1 General [Go to Page]
- 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 [Go to Page]
- V-6.1.1 Wall Thickness.
- V-6.1.2 Inside Diameter.
- V-6.1.3 Valve Body Necks.
- V-6.1.5 Contours for Body Run Transitions.
- V-6.1.8 Additional Metal Thickness.
- VI BASIS EQUATIONS FOR MINIMUM WALL THICKNESS
- VII PRESSURE-TEMPERATURE RATINGS: U. S. CUSTOMARY UNITS
- VIII REFERENCE STANDARDS AND SPECIFICATIONS
- Nonmandatory Appendices [Go to Page]
- A RELATIONSHIP BETWEEN NOMINAL PIPE SIZE AND INSIDE DIAMETER
- B METHOD USED FOR ESTABLISHING PRESSURE- TEMPERATURE RATINGS [Go to Page]
- B-1 GENERAL CONSIDERATIONS [Go to Page]
- 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
- B-2 STANDARD CLASS RATING METHOD [Go to Page]
- 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
- B-3 SPECIAL CLASS RATING METHOD
- B-4 MAXIMUM RATINGS
- B-5 INTERMEDIATE RATING CLASS METHOD [Go to Page]
- B-5.1 Conception
- B-5.2 Nomenclature
- B-5-3 Interpolation for Intermediate Pressure Ratings
- B-5.4 Wall Thickness for Intermediate Ratings
- C QUALITY SYSTEM PROGRAM
- ASME B16.34 INTERPRETATIONS Interpretation No. 4 [Go to Page]