EN 4649:2009

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Luft- und Raumfahrt - An Bord Handfeuerlöscher - Lieferbedingungen und QualifikationsbedingungenSérie aérospatiale - Extincteurs portatifs pour aéronefs aux agents gazeux de synthèse - Spécification technique et conditions de qualificationAerospace series - Handheld fire extinguishers with synthesis gases, for aircraft use - Technical specification and qualification conditions49.095Oprema za potnike in oprema kabinPassenger and cabin equipment13.220.10Gašenje požaraFire-fightingICS:Ta slovenski standard je istoveten z:EN 4649:2009SIST EN 4649:2009en01-maj-2009SIST EN 4649:2009SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 4649February 2009ICS 13.220.10; 49.095 English VersionAerospace series - Handheld fire extinguishers with synthesisgases, for aircraft use - Technical specification and qualificationconditionsSérie aérospatiale - Extincteurs portatifs pour aéronefs auxagents gazeux de synthèse - Spécification technique etconditions de qualificationLuft- und Raumfahrt - An Bord Handfeuerlöscher -Lieferbedingungen und QualifikationsbedingungenThis European Standard was approved by CEN on 5 October 2008.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of 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 United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre:
Avenue Marnix 17,
B-1000 Brussels© 2009 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 4649:2009: ESIST EN 4649:2009

Pressure and temperature diagram . 30Annex B (normative)
Dielectric test diagram . 31Annex C (normative)
Technical index . 33Annex D (normative)
Qualification tests . 34 SIST EN 4649:2009

 all handheld fire extinguishers using synthesis gases;  all aircraft;  the need to protect persons, equipment and the environment (in particular the provisions concerning implementation of the Montreal protocol). If the extinguisher uses a synthesis gas under the terms of a waiver to current legislation, all the tests except the extinguishing efficiency tests, shall be run using an authorised equivalent substitute agent.
This standard is intended for fire extinguishers with a maximum operating pressure up to 25 bars. SIST EN 4649:2009

extinguisher designed to be carried and used by hand, weighing 20 kg or less 3.3 bracket element used to hold the extinguisher on board
1 Published by: Office of Aviation Research – Washington, D.C. 20591. 2 Published by: EUROCAE, 102 rue Etienne Dolet – 92240 Malakoff. 3 Published by: European Aviation Safety Agency – Postfach 10 12 53 – D-50452 Koeln, Germany. SIST EN 4649:2009

4 Symbols and abbreviations bar Unit of pressure, 1 bar is equal to 0,1 MPa IF Inspection File
DF Definition File MF Manufacturing File P (T max.) Pressure at maximum operating temperature P (T min.) Pressure at minimum operating temperature TP Test Pressure TS Technical Specification T max. Maximum operating temperature T min. Minimum operating temperature V Internal volume of the vessel 5 Description A handheld fire extinguisher consists of, but is not limited to:  a vessel;  an extinguishing agent;
 a pressurisation agent if necessary (acting as the propellant);  a pressure indicating device;  a pick-up device;  a controlling device;  a projection device;  a discharge hose if necessary;  a pressure-relief safety device;  a controlling device locking system;  an indicator of not used. NOTE The bracket is independent of the extinguisher, but shall be qualified jointly with it. SIST EN 4649:2009

No part shall easily be removable from the fire extinguisher and its bracket except the controlling device locking system. The design of handheld fire extinguishers shall enable them to withstand the environmental conditions specific to the aeronautical field, as defined in Clause 8:  mechanical (vibrations, crash resistance, operational shocks);  climatic (temperature, altitude, humidity, salt mist);  electromagnetic, if applicable. 6.2 Materials The materials used to manufacture the fire extinguisher shall comply with the standards in force, shall be resistant to the extinguishing and pressurising agents and shall withstand the environmental and operating conditions. For this purpose, the designer shall determine the appropriate materials, heat treatments and protections. Magnesium alloys are prohibited. 6.3 Vessel The manufacturer shall obtain and record the analysis and testing certificates for the materials used to manufacture the vessels. The inspection documents shall provide the composition of the material and results of the chemical analysis and the results of the mechanical tests in accordance with EN 10204. The vessel shall be made of metal and its design shall comply with the requirements of 7.2. If a material other than metal is used, the manufacturer must show evidence that this material is compliant to the requirements set forth in this standard. Dedicated test procedures for this material must be developed by the supplier. 6.4 Extinguishing and pressurising agents The products used shall comply with the applicable standards and regulations in force. 6.5 Pressure-relief safety device The fire extinguisher may be equipped with a pressure-relief safety device designed to protect the pressurised elements against over-pressure. The operation of this device shall be based on the pressure rise principle. The design of this device shall comply with the requirements of 7.3.1. This device may also be used as a filling device. If not fitted with a pressure-relief safety device, the fire extinguisher shall be designed to automatically evacuate its entire contents safely, in case of over pressure. In this case, the provisions of 7.3.2 shall apply. SIST EN 4649:2009

6.8 Projection device This device shall allow efficient and easy projection of the extinguishing agent onto the fire. 6.9 Controlling device This device shall be used to start and stop the flow of extinguishing agent. 6.10 Discharge hose The fire extinguishers with more than 2 kg of agent(s) shall be equipped with a hose. 6.11 Controlling-device locking system This device is designed to prevent inadvertent actuation. 6.12 Indicator of
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