Державне підприємство
«Український науково-дослідний і навчальний центр
проблем стандартизації, сертифікації та якості»
(ДП «УкрНДНЦ»)
Наказ від 25.07.2017 № 192
EN 15089:2009
Explosion isolation systems
прийнято як національний стандарт
методом підтвердження за позначенням
ДСТУ EN 15089:2017
(EN 15089:2009, IDТ)
Системи вибухоізоляційні
Contents
Foreword .....................4
1 Scope ..........................5
2 Normative references ...........5
3 Terms and definitions ...........6
4 Explosion isolation systems ...........8
4.1 General.........................8
4.2 Isolation types.........................8
4.2.1 Passive isolation type ............8
4.2.2 Active isolation type .............8
5 Requirements of explosion isolation components ........8
5.1 General...................................8
5.2 Detection devices ...................9
5.2.1 General................................9
5.2.2 Optical detection.................9
5.2.3 Pressure detection................9
5.2.4 Other actuation ....................9
5.3 Indicating equipment (IE) and control and indicating equipment (CIE) .........9
5.3.1 General....................................9
5.3.2 Indicating equipment..............9
5.3.3 Control and indicating equipment ....................9
5.4 Safety integrity of control and indicating equipment (CIE) ...... 10
5.4.1 General................................................. 10
5.4.2 Measures to avoid and control systematic faults .............. 10
5.4.3 Control of electric connections .................... 10
5.4.4 Indicators and messages on CIE ................... 10
5.4.5 Energy supply ............................. 10
5.5 Explosion isolation devices............ 10
5.5.1 General........................................ 10
5.5.2 Explosion protection valve (active or passive) F&P ....... 11
5.5.3 Extinguishing barrier (active) F ............ 11
5.5.4 Rotary valve (passive) F.......................... 11
5.5.5 Explosion proof interlocked double valve arrangement (passive) F&P ............ 11
5.5.6 Diverters, explosion isolation flaps and flame arresters ................ 11
6 System design...................................... 11
6.1 General.................................... 11
6.2 Combination of explosion isolation systems with other explosion protection techniques ....... 12
6.2.1 Explosion resistant design for the maximum explosion pressure isolation ......... 12
6.2.2 Venting isolation .................. 12
6.2.3 Suppression isolation .............................. 13
7 Experimental testing of the efficacy of an explosion isolation system .............. 13
7.1 General.............................. 13
7.2 Test Modules...................... 13
7.2.1 General................................................................................................................................................. 13
7.2.2 Module A: Explosion resistance testing ............ 14
7.2.3 Module B: Flameproof testing ........................ 15
7.2.4 Module C: Functional testing ....................... 16
7.3 Testing Report....................................... 27
8 Information for use .................... 28
9 Marking ..............................................................28
9.1 Marking of the explosion isolation system ...............28
9.2 Marking of components of an explosion isolation system .................29
Annex A (informative) Verification of design methods ................30
A.1 General.......................................30
A.2 Design on the basis of an interpretation of test results ..............31
A.3 Mathematical model .....................................32
Annex ZA (informative) Relationship between this European Standard and the Essential Requirements
of EU Directive 94/9/EC ........35
Bibliography ......................37
Figures
Figure 1 Test arrangement for pressure resistance testing and high-pressure flame proof testing . 15
Figure 2 Test arrangement for flameproof testing ............. 16
Figure 3 Test arrangement for functional testing for passive explosion protection valves ........ 17
Figure 4 Test arrangement for functional testing for active isolation valves ............. 20
Figure 5 Test arrangement for functional testing for extinguishing barriers .............. 23
Figure 6 Test arrangement for functional testing for rotary valves ............... 26
Figure A.1 Example of interpolating the minimum and maximum distance of an active explosion
valve for enclosure volumes between 1 m³ to 10 m³, triggering device: pressure detection on the
enclosure (pa = 0,1 bar) ............. 31
Figure A.2 Effect of ignition location, detection system and K-value on minimum installation
distance ............................... 33
Tables
Table 1 Type of modules as a function of type of isolation device ............... 14
Table 2 Location of ignition source for verification/determination of the minimum installation
distance ......................... 19
Table 3 Location of ignition source to be used for verification/determination of the minimum
installation distance ........................... 21
Table 4 Location of ignition source to be used for verification/determination of the minimum
installation distance using flame detection only ..................... 24
Table A.1 Important criteria, which can influence the design/installation distance of an isolation
device......................................................................................................................................................... 30
Table ZA Correspondence between this European Standard and Directive 94/9/EC ......... 35
Foreword
This document (EN 15089:2009) has been prepared by Technical Committee CEN/TC 305 Potentially explosive atmospheres - Explosion prevention and protection, the secretariat of which is held by DIN.
This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by September 2009, and conflicting national standards shall be withdrawn at the latest by September 2009.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EC Directive(s).
For relationship with EC Directive(s), see informative Annex ZA, which is an integral part of this document.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom.
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