AS 4181-1999

1 - AS 4181:1999 STAINLESS STEEL CLAMPS FOR WATERWORKS PURPOSES
4 - PREFACE
5 - CONTENTS
6 - 1 SCOPE
6 - 2 APPLICATION
6 - 3 REFERENCED DOCUMENTS
7 - 4 DEFINITIONS
7 - 4.1 Allowable maximum operating pressure
7 - 4.2 Allowable operating pressure
7 - 4.3 Batch
7 - 4.4 Maximum working temperature
7 - 4.5 Size range
7 - 4.6 Stainless steel clamp
7 - 4.7 Tapping clamp
8 - 5 DESIGN
8 - 5.1 General
8 - 5.2 Clamping system
8 - 5.3 Fastening system
8 - 5.4 Basic dimensions
8 - 5.4.1 Nominal clamp diameter
8 - 5.4.2 Clamp length
8 - 5.5 Allowable operating pressure
11 - 6 MATERIALS AND FABRICATION
11 - 6.1 Metal parts
11 - 6.2 Elastomeric gaskets
11 - 6.3 Welding
11 - 6.4 Surface finish
11 - 6.5 Tapping clamps
11 - 6.6 Internal threads of tapping boss
11 - 6.7 Flanges
11 - 7 TYPE TESTS
11 - 7.1 General
12 - 7.2 Range of sizes for type testing
12 - 8 SUPPLY AND INSTALLATION
12 - 9 MARKING
12 - 9.1 General
12 - 9.2 Adhesive labels
13 - APPENDIX A - MEANS FOR DEMONSTRATING COMPLIANCE WITH THIS STANDARD
13 - A1 SCOPE
13 - A2 RELEVANCE
13 - A3 PRODUCT CERTIFICATION
13 - A4 MINIMUM SAMPLING AND TESTING FREQUENCY PLAN
13 - A4.1 General
13 - A4.2 Retesting
14 - A4.3 Rejected after retest
15 - APPENDIX B - TYPE TESTS
15 - B1 SCOPE
15 - B2 PRINCIPLE
15 - B3 TEMPERATURE
15 - B4 APPARATUS
15 - B5 PREPARATION OF TEST SAMPLES
15 - B6 TEST PROCEDURES
15 - B6.1 Hydrostatic pressure test
16 - B6.2 Vacuum test
16 - B6.3 Resistance to rotational sliding
17 - B7 TEST REPORT
18 - APPENDIX C - TYPICAL FORMAT FOR PRESSURE TEST REPORT

Specifies the requirements for stainless steel clamps for waterworks purposes.

First published as AS 4181-1994.
Second edition 1999.