SIST EN 1621-4:2013

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.RGHMotorradfahrer-Schutzkleidung gegen mechanische Belastung - Teil 4: Aufblasbare Protektoren für Motorradfahrer - Anforderungen und PrüfverfahrenVêtements de protection contre les chocs mécaniques pour motocyclistes - Partie 4 : Protecteurs gonflables pour motocyclistes - Exigences et méthodes d’essaiMotorcyclists' protective clothing against mechanical impact - Part 4: Motorcyclists' inflatable protectors - Requirements and test methods43.140Motorna kolesa in mopediMotor cycles and mopeds13.340.10Varovalna oblekaProtective clothingICS:Ta slovenski standard je istoveten z:EN 1621-4:2013SIST EN 1621-4:2013en,fr,de01-marec-2013SIST EN 1621-4:2013SLOVENSKI
STANDARD



EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 1621-4
January 2013 ICS 13.340.10 English Version
Motorcyclists' protective clothing against mechanical impact - Part 4: Motorcyclists' inflatable protectors - Requirements and test methods
Vêtements de protection contre les chocs mécaniques pour motocyclistes - Partie 4 : Protecteurs gonflables pour motocyclistes - Exigences et méthodes d'essai
Motorradfahrer-Schutzkleidung gegen mechanische Belastung - Teil 4: Aufblasbare Protektoren für Motorradfahrer - Anforderungen und Prüfverfahren This European Standard was approved by CEN on 3 November 2012.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC 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 translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
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B-1000 Brussels © 2013 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1621-4:2013: ESIST EN 1621-4:2013



EN 1621-4:2013 (E) 2 Contents Page Foreword .4Introduction .51 Scope .62 Normative references .63 Terms and definitions .64 Requirements .84.1 General .84.2 Innocuousness .94.2.1 Colour .94.2.2 Hard components .94.2.3 Temperature exposure evaluation .94.3 Zones of protection .94.4 Intervention time .94.5 Duration time .94.6 Retention of the inflatable protector .94.7 Impact attenuation . 104.8 Sizing and size marking . 104.9 Ergonomic requirements . 104.10 Trigger system function . 104.10.1 Activation force . 104.10.2 Activation energy . 104.10.3 Connection of airbag system to motorcycle . 105 Sampling . 106 Test methods . 116.1 Preconditioning and testing atmosphere . 116.2 Innocuousness . 116.2.1 Colour fastness to water . 116.2.2 Protection from hard components . 116.2.3 Temperature exposure evaluation (applicable only for hot gas generators) . 116.3 Measurement and marking of zones of protection . 116.4 Intervention time . 116.4.1 General . 116.4.2 Determination of the activation time. 116.4.3 Determination of the inflation time . 136.5 Determination of duration of inflated status . 136.6 Impact attenuation . 136.7 Ergonomic tests . 136.7.1 General . 136.7.2 Tests . 146.8 Evaluation of the function of the mechanism of activation. 146.8.1 Evaluation of activation force . 146.8.2 Evaluation of the activation energy . 146.8.3 Connection to the motorcycle . 146.9 Uncertainty . 147 Test results . 158 Test report . 169 Marking . 16SIST EN 1621-4:2013



EN 1621-4:2013 (E) 3 10 Information supplied by the manufacturer . 17Annex ZA (informative)
Relationship between this European Standard and the Essential Requirements of EU Directive 89/686/EEC . 18Figures Figure 1 — Trigger cable fixed to the motorbike behind the biker . 12Figure 2 — Trigger cable is fixed to the motorbike in front of the biker . 12Figure 3 — Example of graphical symbol. 16Tables Table 1 — Summary of the requirements . 8Table 2  Transmitted force and performance levels . 10 SIST EN 1621-4:2013



EN 1621-4:2013 (E) 4 Foreword This document (EN 1621-4:2013) has been prepared by Technical Committee CEN/TC 162 “Protective clothing including hand and arm protection and lifejackets”, 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 July 2013, and conflicting national standards shall be withdrawn at the latest by July 2013. 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 EU Directive. For relationship with EU Directive, see informative Annex ZA, which is an integral part of this document. EN 1621 consists of the following parts, under the general title "Motorcyclists’ protective clothing against mechanical impact“:  Part 1: Motorcyclists' limb joint impact protectors — Requirements and test methods  Part 2: Motorcyclists' back protectors — Requirements and test methods  Part 3: Motorcyclists' chest protectors — Requirements and test methods1)  Part 4: Motorcyclists' inflatable protectors — Requirements and test methods According to the CEN/CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.
1) Under development SIST EN 1621-4:2013



EN 1621-4:2013 (E) 5 Introduction Motorcyclists' inflatable protectors are devices either embedded within or worn on top of other clothing, which aim to reduce the severity of injuries in case of motorcycle accidents. The protectors covered by this standard give protection only when inflated. The performance requirements have been selected to provide the best practical compromise between protection, comfort, and ergonomic requirements. Protectors that are too stiff or heavy will not be worn. The test methods are designed to provide information on protection against mechanical impacts. The force levels in the tests do not relate directly to the forces riders are exposed to in accidents, but experiences have shown that products meeting the requirements of this European Standard may reduce the severity of injuries caused by impacts.
In order to encourage the adoption of certified protection by the highest possible number of users, two performance levels are specified for inflatable protectors. These are level 1 for protectors designed to give protection whilst having low ergonomic penalties associated with its use and level 2 for protectors providing an increased protection with respect to level 1. There may be, however, weight and restriction penalties associated with level 2 protection.
SIST EN 1621-4:2013



EN 1621-4:2013 (E) 6 1 Scope This European Standard covers requirements and test methods for mechanically activated inflatable protectors for motorcycle riders (in the following text called „protector“). It specifies the minimum level of protection, the minimum intervention time of inflated bag, and the minimum coverage to be provided by motorcyclists' protectors worn by riders. The requirements of this standard are applicable to various design of inflatable protectors and refers to all body areas and their combinations which are claimed to be protected. Inflatable protectors covered by this standard may be incorporated in motorcycle garments or equipped with by appropriate restraint systems and worn on their own.
This European Standard contains the requirements for the performance of the system during an accident and details of the test methods, requirements for sizing, ergonomics, innocuousness, labelling and the provision of information. Inflatable protectors other than mechanically activated are not covered by this standard. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 340, Protective clothing — General requirements EN 1621-1:2012, Motorcyclists' protective clothing against mechanical impact — Part 1: Motorcyclists' limb joint impact protectors — Requirements and test methods EN 1621-2, Motorcyclists' protective clothing against mechanical impact — Part 2: Motorcyclists' back protectors — Requirements and test methods EN ISO 105-E01, Textiles — Tests for colour fastness — Part E01: Colour fastness to water (ISO 105-E01) EN ISO 11642, Leather — Tests for colour fastness — Colour fastness to water (ISO 11642) 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 1621-1:2012 and the following apply. 3.1 inflatable motorcyclist's protector specific device worn by motorcyclists, which will automatically inflate in the event of an accident 3.2 intervention time sum of the activation time plus the inflation time in milliseconds 3.3 activation time period of time used by the triggering system to fire the gas generator, corresponding to the interval of time from the beginning of the accident to the start of the inflation of the protector 3.4 inflation time time period required for the airbag to be fully inflated SIST EN 1621-4:2013



EN 1621-4:2013 (E) 7 3.5 mechanical triggering system system which is fired by the severance of a physical connection between motorbike and protector
3.6 trigger cable mechanical connection between the inflatable device and the motorbike 3.7 activation force force transmitted by the trigger cable to start the inflation process
3.8 activation energy energy required by the mechanical trigger system to start the inflation process 3.9 duration time time period whereby the operating pressure inside the airbag remains above the minimum operating pressure declared by the manufacturer SIST EN 1621-4:2013



EN 1621-4:2013 (E) 8 4 Requirements 4.1 General Motorcyclists' protectors shall meet an overall requirement that they are safe to use, comfortable to wear and fit for their purpose. Table 1 gives a summary of the requirements. Unless otherwise specified all values and linear dimensions shall be provided with a deviation of ± 2 %. Table 1 — Summary of the requirements Clause Requirements Test Values 4.2 Innocuousness Colour fastness to water 6.2.1 At least grade 4 of the Grey scale
Protection from any hard components 6.2.2 ≤ 35 kN Temperature exposure evaluation (where applicable) 6.7 Average value ≤ 48 °C. No single value shall exceed 55 °C 4.3 Minimum zone of protection – – 4.4 Intervention time 6.4 ≤ 200 ms 4.5 Duration time 6.5 ≥ 5 s
4.6 Retention of protective bag – – 4.7 Impact attenuation 6.6 Level 1: Overall mean value 4,5 kN Single strike ≤ 6 kN
Level 2: Overall mean value 2,5 kN Single strike ≤ 3 kN 4.8 Sizing and size marking – – 4.9 Ergonomic requirements 6.7 All answers shall be “yes” 4.10 Trigger system function Activation force of mechanical triggering system 6.8.1 ≥ 30 N ≤ 250 N Activation energy of mechanical triggering system 6.8.2 < 5 J Breaking strength of the physical connection between bike and protector 6.8.3 ≥ four times the activation force; in any case ≥ 400 N
SIST EN 1621-4:2013



EN 1621-4:2013 (E) 9 4.2 Innocuousness 4.2.1 Colour
The materials of the protectors shall comply with the requirements for innocuousness of materials in EN 340, with the exception of the requirement concerning the colour fastness to perspiration. The colour fastness to water of the constituent materials which likely could come into contact with the skin of the user shall be determined in accordance with 6.2.1 and shall be at least grade 4 of the Grey scale for the staining of any component of the multi-fibre reference fabric 4.2.2 Hard components
No sharp edge shall be present in the protector. A layer of impact attenuation material shall be present between any hard components present in the inflation or actuation systems and the body of the user. This requirement is applicable to mechanical parts of the inflation system; it is not applicable to zips, studs, fasteners and other elements not linked to the specific function of the inflating system. The protection shall be the same size of the component or its projected area plus a minimum border of 1 cm. The transmitted force level shall not be more than 35 kN. The impact attenuation protecting the user from hard components shall be tested in accordance with 6.2.2.
4.2.3 Temperature exposure evaluation
Certain gas generators, which contain pyrotechnic components, can genera
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