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AS 1722.2-1992

[Current]

Pipe threads of Whitworth form, Part 2: Fastening pipe threads

Specifies thread form, thread dimensions, tolerance, and associated gauges and gauging practices for fastening threads for pipes of nominal bore 4 mm to 150 mm. Incorporates modified tables for screw gauge limits and dimensions for fastening pipe threads; setting plugs for GO and NOT GO screw calliper gauges; provision for the use of adjustable screw calliper gauges; and wear allowance for GO gauges.
Published: 17/01/1992
Pages: 23
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 SCOPE AND GENERAL
1.1 SCOPE
1.2 REFERENCED DOCUMENTS
1.3 DEFINITIONS
1.4 SYMBOLS
1.5 CLASSIFICATION
1.6 DESIGNATION
2 THREAD PROFILES AND DIMENSIONS
2.1 PROFILE OF THREAD
2.2 DIMENSIONS AND TOLERANCES
2.2.1 Dimensions
2.2.2 Limiting dimension
3 GAUGES AND GAUGING PRACTICE
3.1 SCOPE OF SECTION
3.2 TYPES OF GAUGES
3.3 GENERAL CONSIDERATIONS
3.4 GAUGES FOR EXTERNAL THREADS AND THEIR CHECK PLUGS
3.4.1 Solid GO threaded ring gauge
3.4.1.1 Function
3.4.1.2 Control
3.4.1.3 Use
3.4.2 Threaded check plugs for new solid threaded GO ring gauge
3.4.2.1 Function
3.4.2.2 Use
3.4.3 Wear check plug for solid threaded GO ring gauge
3.4.3.1 Function
3.4.3.2 Use
3.4.4 Solid threaded NOT GO ring gauge
3.4.4.1 Function
3.4.4.2 Control
3.4.4.3 Use
3.4.5 Threaded check plugs for new solid NOT GO threaded ring gauge†
3.4.5.1 Function
3.4.5.2 Use
3.4.6 Wear check plug for solid NOT GO threaded ring gauge
3.4.6.1 Function
3.4.6.2 Use
3.4.7 Roller type GO screw calliper gauge†
3.4.7.1 Function
3.4.7.2 Control
3.4.7.3 Use
3.4.8 Roller type NOT GO thread calliper gauge†
3.4.8.1 Function
3.4.8.2 Control
3.4.8.3 Use
3.4.9 Setting plug for GO screw calliper gauge
3.4.10 Setting plug for NOT GO screw calliper gauge
3.4.11 NOT GO plain calliper gap gauges for external threads
3.5 GAUGES FOR INTERNAL THREADS
3.5.1 Threaded GO plug gauge
3.5.1.1 Function
3.5.1.2 Control
3.5.1.3 Use
3.5.2 Threaded NOT GO plug gauge
3.5.2.1 Function
3.5.2.2 Control
3.5.2.3 Use
3.5.3 NOT GO plain plug gauges for internal threads
3.6 DESIGN FEATURES OF SCREW GAUGES
3.6.1 Material
3.6.2 Reference temperature
3.6.3 Marking
3.6.4 Construction
3.6.5 Breaking of sharp edges
3.6.6 Dirt grooves
3.6.7 Threaded gauges for external threads
3.6.7.1 GO gauges
3.6.7.2 Check plugs and setting plugs for GO screw ring and calliper gauges.
3.6.7.3 NOT GO gauges
3.6.7.4 Check plugs and setting plugs for NOT GO screw ring and calliper gauges
3.6.8 Threaded gauges for internal threads
APPENDIX A
A1 SCOPE
Cited references in this standard
[Withdrawn]
Designs for geometric limit gauges (plain and screwed in inch units)
[Withdrawn]
Cylindrical screw threads — Vocabulary
[Current]
Parallel screw threads of whitworth form (BSW and BSF) and associated gauges and gauging practice
[Superseded]
Pipe threads of Whitworth form, Part 1: Sealing pipe threads (metric units)
[Withdrawn]
Roller-type screw calliper gauges
Content history
[Superseded]
[Superseded]
DR 91074
AS 1722.2-1992 REC:2017
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