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BSI PAS 4441:2024

BSI PAS 4441:2024

$38.35

Components used in hydrogen gas metering. Specification

Published By Publication Date Number of Pages
BSI 2024 36
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PDF Catalog

PDF Pages PDF Title
3 Contents
5 Foreword
7 Introduction
9 1 Scope
11 2 Normative references
13 3 Terms, definitions and abbreviations
3.1 Terms and definitions
16 3.2 Abbreviations
17 4 Hydrogen gas
4.1 Gas characteristics
4.2 Gas category
4.3 Supply pressures
20 5 Components
21 5.1 Emergency control valve (ECV)
22 5.2 Gas filter
5.3 Non-return valve
5.4 Insulation joint
5.5 Excess flow valve (EFV)
24 5.6 Thermal cut-off device
5.7 Pliable connector
5.8 Pressure regulator
25 5.9 Meter bracket
5.10 Meter fittings
5.11 Meter box
5.12 Anti-tamper device
5.13 Automatic shut-off systems
26 6 Meter
6.1 General
6.2 Flows not exceeding a nominal 20 m3/h (domestic)
29 6.3 Flows more than 20 m3/h
31 7 Electronic gas volume conversion systems
32 8 Markings and instructions
8.1 Supplementary markings
8.2 Technical instructions
33 Bibliography

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BSI PAS 4441:2024
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