BS ISO 4437-3:2024 – TC

$217.84

Tracked Changes. Plastics piping systems for the supply of gaseous fuels. Polyethylene (PE) – Fittings

Published By	Publication Date	Number of Pages
BSI	2024	101

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Categories: 23.040.80 - Seals for pipe and hose assemblies, BSI

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PDF Catalog

PDF Pages	PDF Title
58	undefined
63	Foreword
64	Introduction
65	1 Scope
66	2 Normative references
67	3 Terms and definitions 3.1 Terms related to geometry
68	3.2 Terms related to material
69	3.3 Terms related to material characteristics 3.4 Terms related to service conditions
70	3.5 Terms related to joints 4 Symbols and abbreviated terms 4.1 Symbols
72	4.2 Abbreviated terms
73	5 Material 5.1 PE compound for fittings 5.2 Material for non-polyethylene parts 5.2.1 General 5.2.2 Metal parts 5.2.3 Sealing materials
74	5.2.4 Other materials 6 General characteristics 6.1 Appearance 6.2 Colour 6.3 Design 6.4 Appearance of factory-made joints 6.5 Electrical characteristics for electrofusion fittings
75	7 Geometrical characteristics 7.1 Measurement of dimensions 7.2 Dimensions of electrofusion socket fittings 7.2.1 Diameters and lengths of electrofusion sockets
77	7.2.2 Wall thicknesses 7.2.3 Out-of-roundness of the bore of a fitting (at any point) 7.2.4 Spigots 7.2.5 Other dimensions 7.3 Dimensions of electrofusion saddle fittings
78	7.4 Dimensions of spigot end fittings 7.4.1 Diameters and lengths
80	7.4.2 Wall thickness of the fusion end 7.4.3 Wall thickness of the fitting body 7.4.4 Other dimensions 7.5 Dimensions of socket fusion fittings 7.6 Design and dimensions of mechanical fittings 7.6.1 General
81	7.6.2 Mechanical fittings with polyethylene spigot ends 7.6.3 Mechanical fittings with polyethylene electrofusion sockets 7.6.4 Threads 8 Mechanical characteristics 8.1 General 8.2 Requirements
84	8.3 Modifications of the fitting 8.4 Performance requirements
85	9 Physical characteristics 9.1 Conditioning 9.2 Requirements
86	10 Performance requirements 11 Technical information 12 Marking 12.1 General
87	12.2 Minimum required marking of fittings 12.3 Additional marking 12.4 Fusion system recognition
88	13 Delivery conditions
89	Annex A (normative) Socket fusion fittings
91	Annex B (informative) Examples of typical terminal connections for electrofusion fittings
94	Annex C (normative) Short-term pressure test method
96	Annex D (normative) Tensile test for fitting/pipe assemblies
98	Annex E (informative) Formulae for calculating the equivalent dimensions of non-metric electrofusion socket fitting series
99	Bibliography