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AS D26-1972

Current
Current

The latest, up-to-date edition.

Tube fittings with dryseal American standard taper pipe and unified threads for automotive and industrial use (imperial units) (Reconfirmed 2018)
Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English

Published date

01-30-1991

Publisher

Standards Australia

Preview

SECTION 1. SCOPE AND SIZE DESIGNATION 1.1 Scope 1.2 Size Designation 1.3 Deviation from Standard SECTION 2. DIMENSIONS AND TOLERANCES APPLYING TO ALL FITTINGS 2.1 General 2.2 Bar Sections 2.3 Hole Diameter 2.4 Angular Tolerance 2.5 Passages 2.6 Wall Thickness 2.7 Contour SECTION 3. SCREW THREADS 3.1 Straight Screw Threads 3.2 Pipe Threads SECTION 4. MATERIALS AND MANUFACTURE 4.1 Material 4.2 Manufacture 4.3 Sealing Surfaces 4.4 Workmanship 4.5 Finish 4.6 Marking SECTION 5. DESIGN PRESSURES AND TEST REQUIREMENTS 5.1 Design Pressures 5.2 Type Test of Assembled Joint 5.3 Wrenching Test for Inverted Flared Nuts SECTION 6. FLARED TYPE FITTINGS 6.1 Dimensions and Tolerances 6.2 Concentricity of Seats Figures and TablesSECTION 7. INVERTED FLARED TYPE FITTINGS 7.1 Dimensions and Tolerances 7.2 Concentricity of Seats 7.3 Thread Relief Figures and Tables SECTION 8. BALL SLEEVE (COMPRESSION) TYPE FITTINGS 8.1 Dimensions and Tolerances Figures and Tables SECTION 9. DIMENSIONS OF SINGLE AND DOUBLE 45-DEGREE FLARES AND TUBING 9.1 Dimensions and Tolerances 9.2 Squareness 9.3 Workmanship Figures and Tables APPENDICES A Gauges and Gauging For Inverted Flared Type Fittings B SAE Identification Code For Automotive Tube and Pipe Fittings

Provides a range of tables covering dimensions of flared, inverted flared and compression type fittings in the range 1/8 in. to 1 in. The Standard is intended primarily for the automotive industry, but the fittings are also used extensively in other sections of industry.

This standard relates to tube fittings of the following types: 45-degree flared ( 1/8- 1 in) Inverted flared ( 1/8- 3/4in) Ball sleeve ( 1/8- 3/4in).The fittings are intended primarily for automotive use, and are screwed Dryseal American Standard Taper Pipe thread (NPTF) and Unified threads.NOTE: Other fittings in common use are screwed with British Standard Pipe taper threads and Unified threads. The BSP thread is similar to the NPTF thread, having the same t.p.i. in the 1/2in and 3/4in sizes, and differing by not more than one t.p.i. in the other sizes. BSP and NPTF threads are, however, not compatible, having different thread forms and methods of sealing, and the fittings are not interchangeable in any sizes.

Committee
AU/6
DocumentType
Standard
ISBN
0 7262 8342 8
Pages
45
ProductNote
Reconfirmed 14/09/2018.
This standard has been reconfirmed in Australia in 2018 and remains current in New Zealand. Reconfirmation Notice 14/09/2018
PublisherName
Standards Australia
Status
Current
Supersedes

Reconfirmed 1988 Reconfirmed 2018.
First published 1972. Reprinted 1983

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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