08/30191153 DC : 0
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
BS EN 1555-4 - PLASTICS PIPING SYSTEMS FOR THE SUPPLY OF GASEOUS FUELS - POLYETHYLENE (PE) - PART 4: VALVES
Hardcopy , PDF
05-31-2011
English
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions, symbols and abbreviations
4 Material
4.1 Compound
4.2 Material for non-polyethylene parts
4.2.1 General
4.2.2 Metal parts
4.2.3 Elastomers
4.2.4 Other materials
5 General characteristics
5.1 Appearance
5.2 Colour
5.3 Design
5.3.1 General
5.3.2 Valve body
5.3.3 Operating cap
5.3.4 Seals
6 Geometrical characteristics
6.1 General
6.2 Measurement of dimensions
6.3 Wall thickness of the PE valve body
6.4 Dimensions of spigot ends for valves
6.5 Dimensions of valves with electrofusion sockets
6.6 Dimensions of the operating cap
7 Mechanical characteristics of assembled valves
7.1 General
7.2 Requirements
8 Physical characteristics
8.1 Conditioning
8.2 Requirements
9 Performance requirements
10 Marking
10.1 General
10.2 Minimum required marking
10.3 Additional marking
11 Delivery conditions
Bibliography
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