ASME B1.20.3 : 1976
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
DRYSEAL PIPE THREADS (INCH)
English
01-01-2013
23-08-2021
Section 1 Product Threads
1.1 Introduction
1.2 Thread types
1.3 Thread Designation and Notation
1.4 Applications
1.5 Assembly Limitations
1.6 Thread Form and Tolerance
1.7 Basic Threads
Appendix A - Letter Symbols and Formulas
Appendix B - Suggested Tap Drill Sizes for
Internal Dryseal Pipe Threads
Appendix C - Special Short, Special Extra Short,
Fine, and Special Diameter-Pitch
Combination Dryseal Pipe Threads
Includes two classes of NPTF Dry-seal pipe threads; Class 1 and Class 2 also the classes differ only in inspection requirements, with Class 1 threads exactly those standardized in ANSI B2.2-1968 (inspection of root and crest truncation is required.
| DevelopmentNote |
Supersedes ASA B2.2 (07/2004)
|
| DocumentType |
Standard
|
| Pages |
28
|
| ProductNote |
Reconfirmed 1976
|
| PublisherName |
American Society of Mechanical Engineers
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| ASME B1.20.4 : 1976 | DRYSEAL PIPE THREADS (METRIC TRANSLATION OF B1.20.3-1976), - SCREW THREADS |
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