ASME B1.20.5 1991 R2014
$98.04
ASME B1.20.5 Gaging for Dryseal Pipe Threads-Inch – Reaffirmed: 2014
| Published By | Publication Date | Number of Pages |
| ASME | 1991 | 72 |
The scope of this Standard is to provide information regarding practical dryseal thread inspection methods and commonly used gages for production evaluation purposes. All dimensions are in inches unless otherwise specified. Federal Government use. When this standard is approved by the Department of Defense and the Federal agencies and is incorporated into Federal Standard-H28/8 [FED-STD-H28/8], Screw-Thread Standards for Federal Services Section 8, the use of this Standard by the Federal Government is subject to all requirements and limitations of Federal Standard-H28/8 [FED-STD-H28/8].
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 5 | Foreword |
| 7 | Standards Committee Roster |
| 9 | CONTENTS |
| 11 | 1 Gaging 1.1 Scope 1.2 How Dryseal Works 1.3 Limitations 1.4 Product Thread Designations |
| 12 | 1.5 Inspection of Product Threads 1.6 Methods of Gaging Product Threads Tables 1 Gages and Tolerances |
| 13 | 1.7 Coordination of Gages 1.8 Use of Gages |
| 14 | Figures 1 Classification of NPTF Product Thread Size Using 4-Step Gages 2 Identification of Steps on 6-Step Crest or Root Check Gage |
| 15 | 1.9 Direct Measurement of Crest and Root Truncation 1.10 Inspection of Gages |
| 16 | 3 Relative Position Plus and Minus Standoff |
| 17 | 2 Gages 2.1 Types and Functions of Gages 2 Function and Application of Gages Covered in ASME B1.20.5-1991 |
| 18 | 2.2 Taper Thread Gages 2.3 Thread Form 2.4 GageTolerance |
| 19 | 2.5 Working Gage Dimensions 2.6 Master Gage Dimensions |
| 20 | 4 Relative Position of Master Plugs and Rings to Working Gages |
| 21 | 3 Tolerances for Working Plug and Ring Gages |
| 22 | 4 Tolerances for Master Plug and Ring gages |
| 23 | 5 Diameter Equivalent of Variation in Lead for Tools and Gages |
| 24 | 6 Diameter Equivalent of Variations in Half Included Angle for Tools and Gages |
| 27 | 7 Basic Dimensions for L1 Ring Gages |
| 28 | 8 Basic Dimensions for L1 Short Ring Gages |
| 31 | 9 Basic Dimensions for L2 Ring Gages |
| 33 | 10 Basic Dimensions for L2 Short Ring Gages |
| 34 | 11 Basic Dimensions for Crest Check Ring Gages |
| 37 | 12 Basic Dimensions for Root Check Ring Gages |
| 39 | 13 Basic Dimensions for L1 Plug Gages, NPTF |
| 41 | 14 Basic Dimensions for L1 Short Plug Gages |
| 43 | 15 Basic Dimensions for L1 Plug Gages, NPSI |
| 45 | 16 Basic Dimensions for L3 Plug Gages |
| 46 | 17 Basic Dimensions for L3 Short Plug Gages |
| 47 | 18 Basic Dimensions for Crest Check Plug Gages |
| 48 | 19 Basic Dimensions for Root Check Plug Gages |
| 49 | 20 Basic Dimensions of Master Ring Gages for L1 and L3 Taper Plug Gages |
| 50 | 21 Basic Dimensions of Master Plug Gages for L1 and L2 Taper Ring Gages |
| 51 | 22 Basic Dimensions of Master Gages for 6-Step Crest Ring and 6-Step Crest Plug Gages |
| 52 | 23 Basic Dimensions of Master Gages for 6-Step Root Ring Gages and 6-Step Root Plug Gages |
| 53 | Appendices A 3-Steps Gages for Checking NPTF Threads A1 Working Gage Dimensions |
| 54 | Tables A1 Basic Dimensions for L1 3-Steps Ring Gages |
| 55 | A2 Basic Dimensions for L2 3-Step Ring Gages |
| 57 | A3 Basic Dimensions for L1 3-Step Plug Gages, NPTF |
| 58 | A4 Basic Dimensions for L3 3-Step Plug Gages |
| 59 | B Measurement of Pitch Diameter of Taper Threads Having an Included Taper of 0.0625 Inch per Inch B1 Measurement of Pitch Diameter of Taper Thread Plug Gage |
| 60 | Figures B1 Measurement of Pitch Diameter of Taper Thread Gages by the 2-Wire Method |
| 61 | B2 Horizontal Measurement of Pitch Diameter of Taper Thread Gages by the 3-Wire Method Using Sine Block |
| 62 | B3 Vertical Measurement of Pitch Diameter of Taper Gages by the 3-Wire Method Using a Sine Fixture |
| 63 | B2 Measurement of Pitch Diameter of Taper Thread Ring Gage B4 Measurement of Pitch Diameter E0 of Taper Thread Gages by the 4-Wire Method |
| 64 | B5 Measurement of Pitch Diameter Em of Taper Thread Gages by the 4-Wire Method |
| 65 | B6 Measurement of Pitch Diameter of Taper Thread Ring Gage on Coordinate Measurering Machine With Ball Probe |
| 67 | C Formulas for Calculating 6-Step Taper Plug and Ring Gage Dimensions |
| 69 | D The Turns Engagement Method of Gaging Product Threads D1 Basic Turns Engagement |
