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BS EN ISO 16852:2016

BS EN ISO 16852:2016

$198.66

Flame arresters. Performance requirements, test methods and limits for use

Published By Publication Date Number of Pages
BSI 2016 66
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This International Standard specifies the requirements for flame arresters that prevent flame transmission when explosive gas-air or vapour-air mixtures are present. It establishes uniform principles for the classification, basic construction and information for use, including the marking of flame arresters, and specifies test methods to verify the safety requirements and determine safe limits of use.

This International Standard is valid for pressures ranging from 80 kPa to 160 kPa and temperatures ranging from −20 °C to + 150 °C.

NOTE 1

For flame arresters with operational conditions inside the scope, but outside atmospheric conditions, see 7.4 .

NOTE 2

In designing and testing flame arresters for operation under conditions other than those specified above, this International Standard can be used as a guide. However, additional testing related specifically to the intended conditions of use is advisable. This is particularly important when high temperatures and pressures are applied. The test mixtures might need to be modified in these cases.

NOTE 3

An additional standard IMO MSC/Circ. 677 for maritime application from IMO (International Maritime Organization) exists.

This International Standard is not applicable to the following:

  • external safety-related measurement and control equipment that might be required to keep the operational conditions within the established safe limits;

NOTE 4

Integrated measurement and control equipment, such as integrated temperature and flame sensors as well as parts which, for example, intentionally melt (retaining pin), burn away (weather hoods) or bend (bimetallic strips), is within the scope of this International Standard.

  • flame arresters used for explosive mixtures of vapours and gases, which tend to self-decompose (e.g. acetylene) or which are chemically unstable;

  • flame arresters used for carbon disulphide, due to its special properties;

  • flame arresters whose intended use is for mixtures other than gas-air or vapour-air mixtures (e.g. higher oxygen-nitrogen ratio, chlorine as oxidant, etc.);

  • flame arrester test procedures for internal-combustion compression ignition engines;

  • fast acting valves, extinguishing systems and other explosion isolating systems.

PDF Catalog

PDF Pages PDF Title
4 European foreword
5 Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 2014/34/EU concerning equipment and protective systems intended for use in potentially explosive atmospheres
Table ZA.1 — Correspondence between this European Standard and Directive 2014/34/EU concerning equipment and protective systems intended for use in potentially explosive atmospheres
9 Foreword
11 Introduction
13 1 Scope
2 Normative references
3 Terms and definitions
17 4 Abbreviated terms and symbols
18 5 Hazards and flame arrester classifications
5.1 Flame transmission: deflagration, stable and unstable detonation
19 5.2 Flame transmission: stabilized burning
6 General requirements
6.1 Measuring instruments
6.2 Construction
6.3 Housings
20 6.4 Joints
6.5 Pressure test
6.6 Leak test
6.7 Flow measurement (air)
6.8 Flame transmission test
6.8.1 General
21 6.8.2 Test mixtures
22 6.9 Summary of tests to be conducted
23 7 Specific requirements for static flame arresters
7.1 Construction
7.2 Design series
24 7.3 Flame transmission test
7.3.1 General
7.3.2 Deflagration test
28 7.3.3 Detonation test
33 7.3.4 Short time burning test
35 7.3.5 Endurance burning test
37 7.4 Limits for use
7.4.1 General
38 7.4.2 In-line flame arrester
7.4.3 Pre-volume flame arrester
7.4.4 Detonation flame arrester
7.4.5 Short time burn flame arresters
39 8 Specific requirements for liquid product detonation flame arresters
8.1 Liquid seals
8.2 Foot valves
40 8.3 Flame transmission test
41 8.4 Limits for use
9 Specific requirements for dynamic flame arresters (high velocity vent valves)
9.1 General
42 9.2 Flame transmission tests
9.2.1 Low flow flame transmission test
43 9.2.2 Flame transmission test by opening and closing
44 9.2.3 Deflagration test
9.2.4 Endurance burning test
45 9.3 Limits for use
10 Specific requirements for hydraulic flame arresters
10.1 Equipment
10.2 Flame transmission test
10.2.1 General
10.2.2 Short time burning test
46 10.2.3 Deflagration test
10.2.4 Detonation test
10.3 Limits for use
49 11 Test of flame arresters installed on or within gas conveying equipment
11.1 General
11.2 Flame transmission test
11.2.1 General
51 11.2.2 Test procedure for gas conveying equipment with inlet pressure >600 hPa
11.2.3 Test procedure for gas conveying equipment with inlet pressure ≤600 hPa
52 12 Information for use
12.1 Instructions for use
53 12.2 Marking
12.2.1 Flame arrester
55 12.2.2 Flame arrester element
56 Annex A (normative) Flow measurement
60 Annex B (informative) Information for selecting flame arresters
61 Annex C (informative) Best practice
62 Bibliography

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BS EN ISO 16852:2016
$198.66