AS 2943-2007

1 - AS 2943-2007 PLASTICS PIPES AND FITTINGS FOR GAS RETICULATION-POLYAMIDE COMPOUNDS
4 - PREFACE
5 - CONTENTS
6 - 1 SCOPE
6 - 2 APPLICATION
6 - 3 REFERENCED DOCUMENTS
7 - 4 DEFINITIONS
7 - 4.1 Hoop stress
7 - 4.2 Long-term hydrostatic strength
7 - 4.3 Hydrostatic design strength
7 - 4.4 Quality control test
7 - 4.5 Test station
7 - 5 COMPOSITION
7 - 5.1 Density
7 - 5.2 Moisture content
7 - 5.3 Viscosity number
7 - 5.4 Melting point
7 - 5.5 Additives
7 - 5.5.1 Antioxidants and ultraviolet stabilizers
8 - 5.5.2 Pigments
8 - 5.5.3 Dispersion of ingredients
8 - 6 TEST REQUIREMENTS
8 - 6.1 Weathering resistance
8 - 6.2 Lower prediction limit of the predicted hydrostatic strength (σLPL)
8 - 6.3 Resistance to internal pressure at elevated temperatures
8 - 6.4 Chemical resistance
8 - 6.5 Heat ageing
8 - 6.6 Zinc chloride resistance
9 - 7 MARKING
10 - APPENDIX A - MEANS FOR DEMONSTRATING COMPLIANCE WITH THIS STANDARD
10 - A1 SCOPE
10 - A2 RELEVANCE
10 - A3 DEFINITIONS
10 - A3.1 Acceptable quality level (AQL)
10 - A3.2 Batch
10 - A3.3 Batch release test (BRT)
10 - A3.4 Inspection level
10 - A3.5 Lot
10 - A3.6 Process verification test (PVT)
10 - A3.7 Sample
11 - A3.8 Sampling plan
11 - A3.9 Type test (TT)
11 - A4 PRODUCT CERTIFICATION
11 - A5 MINIMUM SAMPLING AND TESTING FREQUENCY PLAN
11 - A5.1 General
11 - A5.2 Retesting
11 - A5.3 Rejection after test
12 - A6 TYPE TESTING FOR RE-EVALUATION
12 - A6.1 Change in material/compound
12 - A6.2 New Compound
12 - A6.3 Change to requirements of Paragraphs A6.1(b), A6.1(c)(ii), A6.1(d)(ii), or A6.1(d)(iii)
15 - APPENDIX B - METHOD FOR DETERMINING MELTING POINT
15 - B1 SCOPE
15 - B2 PRINCIPLE
15 - B3 APPARATUS
15 - B4 TEST SPECIMEN
15 - B5 PROCEDURE
15 - B6 REPORT
16 - APPENDIX C - METHOD FOR DETERMINING CHEMICAL RESISTANCE
16 - C1 SCOPE
16 - C2 PRINCIPLE
16 - C3 REAGENTS AND CONTROL FLUIDS
16 - C3.1 Methanol
16 - C3.2 Pentane
16 - C3.3 Tetrahydrothiophene (70%) and tert-butyl mercaptan (30%)
16 - C3.4 Hydrocarbon mixture
16 - C3.5 Control fluids
17 - C4 PREPARATION OF TEST SPECIMENS
17 - C5 CONDITIONING OF TEST SPECIMENS AND REAGENTS
17 - C6 PROCEDURE
17 - C7 REPORT
18 - APPENDIX D - METHOD FOR DETERMINING RESISTANCE TO HEAT AGEING
18 - D1 SCOPE
18 - D2 PRINCIPLE
18 - D3 APPARATUS
18 - D4 TESTSPECIMENS
18 - D5 HOOP STRESS AT BURST
18 - D6 BOILING WATER TEST
18 - D7 HOT AIR OVEN TEST
19 - D8 REPORT
20 - APPENDIX E - METHOD FOR DETERMINING RESISTANCE TO ZINC CHLORIDE
20 - E1 SCOPE
20 - E2 PRINCIPLE
20 - E3 APPARATUS
20 - E4 TEST SPECIMENS
20 - E5 CONDITIONING OF TEST SPECIMENS
20 - E6 PROCEDURE
21 - E7 REPORT
22 - APPENDIX F - METHOD FOR DETERMINING HOOP STRESS AT BURST
22 - F1 SCOPE
22 - F2 PRINCIPLE
22 - F3 APPARATUS
22 - F4 PREPARATION OF TEST SPECIMENS
22 - F5 PROCEDURE
23 - F6 REPORT

Specifies requirements for polyamide 11 (PA 11) and 12 (PA 12) compounds suitable for making polyamide pipe and fittings for gas reticulation.

This Standard specifies requirements for polyamide 11 (PA 11) and 12 (PA 12) compounds suitable for making polyamide pipe and fittings for gas reticulation.NOTE: This Standard does not preclude the use of these materials for other fluid distribution applications.

Originated as AS 2943-1987.
Second edition 2007.
Reissued incorporating Amendment No. 1 (November 2018).