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BS EN 16726:2015+A1:2018

BS EN 16726:2015+A1:2018

$198.66

Gas infrastructure. Quality of gas. Group H

Published By Publication Date Number of Pages
BSI 2018 56
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This European standard specifies gas quality characteristics, parameters and their limits, for gases classified as group H that are to be transmitted, injected into and from storages, distributed and utilized. NOTE For information on gas families and gas groups see EN 437. This European standard does not cover gases conveyed on isolated networks. For biomethane, additional requirements indicated in prEN 16723 1 apply.

PDF Catalog

PDF Pages PDF Title
2 undefined
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Reference conditions and pressure units
5 Requirements
13 Annex A (normative)Calculation of methane number of gaseous fuels for engines
A.1 Introduction
A.2 Calculation of methane number
A.2.1 Applicability
A.2.2 General approach
14 A.3 Example 1: 2H-gas
A.3.1 Simplification of the composition of the gaseous fuel
15 A.3.2 Selection of the ternary systems
A.3.2.1 Ternary mixtures
A.3.2.2 Range of applicability of ternary mixture data
16 A.3.2.3 Factors affecting the ternary system selection process
A.3.2.4 Description of the ternary system selection process
18 A.3.3 Sub-division of the inert-free mixture into the selected partial mixtures
A.3.4 Calculation of the methane number of the partial mixtures
A.3.5 Adjustment of the composition and fraction of the partial mixtures
19 A.3.6 Calculation of the methane number of the simplified mixture
A.3.7 Calculation of the methane number of the gaseous fuel
20 A.4 Example 2: enriched biomethane
A.4.1 Simplification of the composition of the gaseous fuel
A.4.2 Calculation of fitness of the ternary systems
A.4.3 Selection of ternary mixtures
A.4.4 Calculation of the methane number
21 A.5 Example 3: 2H-gas with hydrogen addition
A.5.1 Simplification of the composition of the gaseous fuel
A.5.2 Calculation of fitness of the ternary systems
A.5.3 Selection of ternary mixtures
A.5.4 Calculation of the methane number
22 A.5.5 Additional numerical examples
35 Annex B (informative)Sulfur
B.1 General
B.2 Total sulfur from Odorants
39 Annex C (informative)Water dew point and hydrocarbon dew point
C.1 Water dew point
C.2 Hydrocarbon dew point
40 Annex D (informative)Background for not including a Wobbe Index range into this standard
D.1 General
D.1.1 Introduction
D.1.2 Regional differences in gas composition
D.1.3 Regional differences in installation and service practices
42 D.2 A common European Wobbe index range
43 Annex E (informative)Hydrogen – Admissible Concentrations in natural gas systems
44 Annex F (informative)Sampling
45 Annex G (informative)A–deviations
54 _GoBack

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BS EN 16726:2015+A1:2018
$198.66