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BSI PD CEN/TR 16793:2016

BSI PD CEN/TR 16793:2016

$167.15

Guide for the selection, application and use of flame arresters

Published By Publication Date Number of Pages
BSI 2016 38
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This Technical Report is aimed primarily at persons who are responsible for the safe design and operation of installations and equipment using flammable liquids, vapours or gases.

This document applies to both industrial and mining applications

This document describes possible risks and gives proposals for the protection against these risks by the use of flame arresters.

This document gives some guidance to choice of flame arresters according to EN ISO 16852 for different common scenarios and it gives best practice for the installation and maintenance of these flame arresters.

PDF Catalog

PDF Pages PDF Title
6 European foreword
7 Introduction
8 1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
10 3.2 Abbreviated terms
11 4 Explosion risks
Figure 1 — Explosion triangle
12 Figure 2 — Development of an explosion in a pipeline
13 5 Technical measures for explosion protection
5.1 General
5.2 Mitigation of the effects of explosion
5.2.1 General
5.2.2 Prevention of explosion propagation – explosion decoupling
5.3 Safety concept
14 Table 1 — Hazardous areas
Table 2 — Number of independent measures – zone concept
15 6 Flame arresters
6.1 General
16 Figure 3 — Typical locations for flame arresters
6.2 Principle of operation of flame arresters
17 Table 3 — Flame arrester principle
6.3 Types of flame arresters
6.3.1 End-of-line deflagration flame arrester
6.3.2 In-line deflagration flame arrester
6.3.3 In-line detonation flame arrester
6.3.4 Stabilized burning
6.3.4.1 Short time burning flame arresters
18 6.3.4.2 End-of-line endurance burning flame arrester
6.3.5 Pre-volume flame arresters
6.4 Selection of flame arresters
20 Figure 4 — Selection of flame arresters
21 Table 4 — Explosion groups and the corresponding MESG
22 Figure 5 — Flame atmosphere
6.5 Application limits
Table 5 —Application limits marked on the flame arrester according to EN ISO 16852
23 Table 6 — Further application limits
6.6 Installation limits
6.6.1 General
24 Table 7 — Installation limits
6.6.2 Arrangement of flame arresters at pipe branches [5]
25 Figure 6 — Recommended branch design for rectangular and sharp edged branch pipes
Figure 7 — Recommended branch design for not rectangular and not sharp edged branch pipes
6.6.3 In-line deflagration flame arrester
26 Table 8 — Maximum permitted Lu/D ratio (EN ISO 16852:2010, 7.3.2.2)
Figure 8 — Installation limits for deflagration flame arresters
6.6.4 End-of-line deflagration flame arrester
6.6.4.1 End of line flame arrester (no burn time)
27 6.6.4.2 End of line short time burning flame arrester
6.6.4.3 End of line endurance burning flame arrester
6.6.5 Liquid seal flame arrester
28 6.6.6 Foot valve flame arrester
6.6.7 Hydraulic flame arrester
6.6.8 High velocity valves
6.7 Insulation and heating
29 7 Application of flame arresters
7.1 General
7.2 Protection of process units, containments and tanks [5]
7.2.1 Necessity of flame arresters
7.2.2 Protection against flame transmission during deflagration or detonation
30 7.2.3 Protection against flame transmission during endurance burning
31 7.2.4 Operating conditions [5]
7.2.4.1 General remarks
7.2.4.2 Protection against endurance burning
7.2.4.3 Protection along vapour venting or recovery pipes
7.3 Changing the process
8 Installation, operating and maintenance
8.1 General
32 8.2 Safety information
8.3 Checking and installing
33 8.4 Inspection and maintenance intervals
8.5 Liquid seal flame arrester
34 9 Commissioning checklist
35 Bibliography

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BSI PD CEN/TR 16793:2016
$167.15