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ASME B107.21 Wrench, Crowfoot , 2005
- CONTENTS
- FOREWORD
- STANDARDS COMMITTEE ROSTER
- CORRESPONDENCE WITH THE B107 COMMITTEE
- 1 SCOPE
- 2 CLASSIFICATION
- 3 NORMATIVE REFERENCES
- 4 REQUIREMENTS [Go to Page]
- 4.1 Marking
- 4.2 Materials
- 4.3 Hardness
- 4.4 Proof Torque
- 4.5 Wrench Openings [Go to Page]
- 4.5.1
- 4.5.2
- 4.5.3
- 4.6 Finish [Go to Page]
- 4.6.1 Surface Finish.
- 4.6.2 Coatings.
- 4.7 Design [Go to Page]
- 4.7.1 Type I, Flare Nut.
- 4.7.2 Type II, Open End.
- 5 TEST PROCEDURES [Go to Page]
- 5.1 Hardness
- 5.2 Proof Torque Test [Go to Page]
- 5.2.1 Mandrels for Wrench Openings.
- 5.2.2 Application of Proof Torque.
- 5.3 Alternative Coating Test [Go to Page]
- 5.3.1 Test Preparation.
- 5.3.2 Adhesion Test.
- 5.3.3 Abrasion Test.
- 5.3.4 Corrosion Test.
- 6 DESIGNATIONS
- 7 SAFETY REQUIREMENTS AND LIMITATIONS OF USE
- FIGURES [Go to Page]
- 1 Type I, Class 1 Crowfoot Wrench, Flare Nut, Standard Duty
- 2 Type I, Class 2 Crowfoot Wrench, Flare Nut, Heavy Duty
- 3 Type II Crowfoot Wrench, Open End
- TABLES [Go to Page]
- 1 Type I, Class 1, Flare Nut 1’4 in. Square Drive Standard Duty
- 2 Type I, Class 1, Flare Nut 3’8 in. Square Drive Standard Duty
- 3 Type I, Class 1, Flare Nut 1’2 in. Square Drive Standard Duty
- 4 Type I, Class 2, Flare Nut 3’8 in. Square Drive Heavy Duty
- 4M Type I, Class 2, Flare Nut 3’8 in. Square Drive Heavy Duty (Metric)
- 5 Type II, Class 1, Open End 3’8 in. Square Drive Standard Duty
- 5M Type II, Class 1, Open End 3’8 in. Square Drive Standard Duty (Metric)
- 6 Type II, Class 1, Open End 1’2 in. Square Drive Standard Duty
- 7 Type II, Class 2, Open End 3’8 in. Square Drive Heavy Duty
- 8 Hexagon Mandrel Dimensions
- 8M Hexagon Mandrel Dimensions (Metric) [Go to Page]
