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ASME B16.3 - 2021 Malleable Iron Threaded Fittings: Classes 150 and 300, 2021
- CONTENTS
- FOREWORD
- ASME B16 COMMITTEE ROSTER
- CORRESPONDENCE WITH THE B16 COMMITTEE
- ASME B16.3-2021 SUMMARY OF CHANGES
- LIST OF CHANGES IN RECORD NUMBER ORDER
- 1 SCOPE
- 2 GENERAL [Go to Page]
- 2.1 References
- 2.2 Quality Systems
- 2.3 Relevant Units
- 2.4 Service Conditions
- 2.5 Convention
- 2.6 Denotation
- 3 PRESSURE–TEMPERATURE RATINGS
- 4 SIZE [Go to Page]
- 4.1 Nominal Pipe Size
- 4.2 Reducing Fittings
- 5 MARKING [Go to Page]
- 5.1 Class 150 Fittings
- 5.2 Class 300 Fittings
- 6 MATERIAL [Go to Page]
- 6.1 Malleable Iron
- 6.2 Steel
- 7 DIMENSIONS AND TOLERANCES [Go to Page]
- 7.1 General
- 7.2 Reducing Fittings
- 7.3 Tolerances
- 8 THREADING [Go to Page]
- 8.1 Types of Threads
- 8.2 Tolerances
- 8.3 Countersink or Chamfer
- 8.4 Thread Length
- 8.5 Alignment
- 9 RIBS [Go to Page]
- 9.1 General
- 9.2 Special Couplings
- 10 PLUGS, BUSHINGS, AND LOCKNUTS
- 11 FACE BEVEL
- 12 COATINGS [Go to Page]
- 12.1 Malleable Iron Fittings
- 12.2 Steel Fittings
- 12.3 Other Coatings
- Figures [Go to Page]
- Figure 4.2-1 Identification of Reducing Fittings
- Figure 8.2-1 Gaging of Chamfered Internal Threads
- Tables [Go to Page]
- Table 3-1 Pressure–Temperature Ratings
- Table 7.1-1 Dimensions of Class 150 90-deg Elbows, Tees, and Crosses, and 45-deg Elbows (Straight Sizes)
- Table 7.1-2 Dimensions of Class 150 45-deg Y-Branches (Straight Sizes)
- Table 7.1-3 Dimensions of Class 150 Street Tees and 90-deg and 45-deg Street Elbows
- Table 7.1-4 Dimensions of Class 150 Closed-, Medium-, and Open-Pattern Return Bends
- Table 7.1-5 Dimensions of Class 300 90-deg Elbows, Tees, and Crosses, and 45-deg Elbows (Straight Sizes)
- Table 7.1-6 Dimensions of Class 300 Couplings
- Table 7.1-7 Dimensions of Class 300 Caps
- Table 7.1-8 Dimensions of Class 300 90-deg and 45-deg Street Elbows
- Table 7.1-9 Dimensions of Class 300 Return Bends
- Table 7.2.1-1 Dimensions of Class 150 90-deg Elbows and Crosses (Reducing Sizes)
- Table 7.2.1-2 Dimensions of Class 150 Tees (Reducing Sizes)
- Table 7.2.1-3 Dimensions of Class 150 Couplings (Straight and Reducing Sizes)
- Table 7.2.1-4 Center-to-End Dimensions of Class 300 90-deg Elbows (Reducing Sizes)
- Table 7.2.1-5 Center-to-End Dimensions of Class 300 Tees (Reducing Sizes)
- Table 7.2.1-6 Dimensions of Class 300 Reducing Couplings
- Table 7.3-1 Inspection Tolerances
- Table 8.1-1 Dimensions of Class 150 Caps
- MANDATORY APPENDIX I REFERENCES
- NONMANDATORY APPENDIX A QUALITY SYSTEM PROGRAM [Go to Page]