I.S. EN 12874:2001
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
FLAME ARRESTERS - PERFORMANCE REQUIREMENTS, TEST METHODS AND LIMITS FOR USE
Hardcopy , PDF
27-05-2010
English
01-01-2001
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
Important note : Users cannot be edited or removed once added to your Multi user PDF.
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions, symbols and abbreviations
3.1 Terms and definitions
3.2 Symbols and abbreviations
4 Hazards and flame arrester classifications
4.1 Flame transmission: Deflagration, stable
unstable detonation
4.2 Flame transmission: Stabilized burning
5 General requirements
5.1 Construction
5.2 Housings
5.3 Joints
5.4 Joints to adjacent pipework
5.5 Pressure test
5.6 Leak test
5.7 Flow measurement (air)
5.8 Flame transmission test
6 Specific requirements for static flame arresters
6.1 Construction
6.2 Design series
6.3 Flame transmission test
6.4 Limits for use
7 Specific requirements for liquid product detonation
flame arresters
7.1 Liquid seals
7.2 Foot valves
7.3 Flame transmissions test
7.4 Limits for use
8 Specific requirements for high velocity vent valves
8.1 Flame transmission test
8.2 Endurance burning test
8.3 Deflagration test
8.4 Additional burning test
8.5 Flame transmission test by opening and closing
8.6 Limits for use
9 Specific requirements for flow controlled apertures
9.1 Equipment
9.2 Flame transmission test
9.3 Limits for use
10 Specific requirements for hydraulic flame arresters
10.1 Equipment
10.2 Flame transmission tests
10.3 Limits for use
11 Specific requirements for testing flame arresters in
equipment
11.1 Flame transmission test in compressors, including
blowers, fans and vacuum pumps
12 Information for use
12.1 Accompanying documents
12.2 Marking
Annex A (normative) Flow measurement
Annex B (normative) Graphic symbols for flame arresters
Annex C (informative) Guidelines for specifying flame
arresters
Annex D (informative) Best practice
Annex ZA (informative) Clauses of the European Standard
addressing essential requirements or other
provisions of EU Directives
Bibliography
Gives the requirements for flame arresters which prevent flame transmission when flammable gas/air- or vapour/air-mixtures are present.
| DocumentType |
Standard
|
| Pages |
48
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| UNI EN 12874 : 2003 | Identical |
| NEN EN 12874 : 2001 | Identical |
| EN 12874 : 2001 | Identical |
| UNE-EN 12874:2002 | Identical |
| NF EN 12874 : 2001 | Identical |
| DIN EN 12874:2001-04 | Identical |
| BS EN 12874:2001 | Identical |
| NS EN 12874 : 2001 | Identical |
| NBN EN 12874 : 2001 | Identical |
| SN EN 12874 : 2001 | Identical |
| EN 1127-1:2011 | Explosive atmospheres - Explosion prevention and protection - Part 1: Basic concepts and methodology |
| EN 1834-2:2000 | Reciprocating internal combustion engines - Safety requirements for design and construction of engines for use in potentially explosive atmospheres - Part 2: Group I engines for use in underground workings susceptible to firedamp and/or combustible dust |
| ISO 7-2:2000 | Pipe threads where pressure-tight joints are made on the threads Part 2: Verification by means of limit gauges |
| EN 50018 : 2000 AMD 1 2002 | ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - FLAMEPROOF ENCLOSURE "D" |
| ISO 7-1:1994 | Pipe threads where pressure-tight joints are made on the threads Part 1: Dimensions, tolerances and designation |
| PREN 1759-3 : DRAFT 94 | FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, CLASS DESIGNATED - PART 3: COPPER ALLOY AND COMPOSITE FLANGES |
| ENV 1070 : 1993 | SAFETY OF MACHINERY - TERMINOLOGY |
| ISO 7005-1:2011 | Pipe flanges — Part 1: Steel flanges for industrial and general service piping systems |
| EN 1267:2012 | Industrial valves - Test of flow resistance using water as test fluid |
| EN 50014:1997/A2:1999 | ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GENERAL REQUIREMENTS |
| EN 1834-1:2000 | Reciprocating internal combustion engines - Safety requirements for design and construction of engines for use in potentially explosive atmospheres - Part 1: Group II engines for use in flammable gas and vapour atmospheres |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.