BS en 3-10-2010 [PDF]

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BRITISH STANDARD

BS EN 3-10:2009

Portable fire extinguishers Part 10: Provisions for evaluating the conformity of a portable fire extinguisher to EN 3-7

ICS 13.220.10

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BS EN 3-10:2009

National foreword This British Standard is the UK implementation of EN 3-10:2009. It supersedes BS EN 3-6:1996 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee FSH/2, Fire extinguishers. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.

This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 July 2010

Amendments/corrigenda issued since publication Date

Comments

© BSI 2010

ISBN 978 0 580 54044 8

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Compliance with a British Standard cannot confer immunity from legal obligations.

BS EN 3-10:2009

EN 3-10

EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM

November 2009

ICS 13.220.10

Supersedes EN 3-6:1995

English Version

Portable fire extinguishers - Part 10: Provisions for evaluating the conformity of a portable fire extinguisher to EN 3-7 Tragbare Feuerlöscher - Teil 10: Festlegungen für die Bestätigung der Konformität tragbarer Feuerlöscher nach EN 3-7

Extincteurs d'incendie portatifs - Partie 10: Dispositions pour l'évaluation de la conformité d'un extincteur d'incendie portatif à l'EN 3-7

This European Standard was approved by CEN on 17 October 2009.

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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 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 Management Centre has the same status as the official 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 STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: Avenue Marnix 17, B-1000 Brussels

© 2009 CEN

All rights of exploitation in any form and by any means reserved worldwide for CEN national Members.

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Ref. No. EN 3-10:2009: E

BS EN 3-10:2009 EN 3-10:2009 (E)

Contents

Page

Foreword ..............................................................................................................................................................3 1

Scope ......................................................................................................................................................4

2

Normative references ............................................................................................................................4

3

Terms and definitions ...........................................................................................................................5

4

Symbols and abbreviations ..................................................................................................................5

5 5.1 5.2 5.3 5.4 5.5 5.6 5.7

Documentation for type testing and audits ........................................................................................6 Identification of the applicant ...............................................................................................................6 Identification of the manufacturer........................................................................................................6 Identification of the extinguisher .........................................................................................................6 Documents provided with the extinguisher ........................................................................................6 Pressure Safety ......................................................................................................................................6 Quality Management System ................................................................................................................6 Extinguishing media toxicological information ..................................................................................6

6

Initial type testing ..................................................................................................................................6

7 7.1 7.2

Factory Production Control (FPC) .......................................................................................................7 Requirements .........................................................................................................................................7 Additional requirements .......................................................................................................................8

8

Reference numbering and marking .....................................................................................................8

9

Items to be regularly checked and recorded during production ......................................................8

10

Surveillance ......................................................................................................................................... 11

Annex A.1 A.2 A.2.1 A.2.2 A.3

A (informative) Points to be checked by the surveillance body ...................................................... 12 Minimum audit frequency .................................................................................................................. 12 Audits content ..................................................................................................................................... 12 Manufacturer and subcontractors .................................................................................................... 12 Applicant .............................................................................................................................................. 13 Audit report ......................................................................................................................................... 13

Annex B (normative) Technical Data Sheet of an extinguisher .................................................................. 14 Annex C (normative) Model of laboratory report .......................................................................................... 16 Annex 1 to the test report ............................................................................................................................... 35 Annex 2 to the test report ............................................................................................................................... 38 Annex 3 to the test report ............................................................................................................................... 39 Bibliography ..................................................................................................................................................... 40

2

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PORTABLE FIRE EXTINGUISHER .................................................................................................................. 16

BS EN 3-10:2009 EN 3-10:2009 (E)

Foreword This document (EN 3-10:2009) has been prepared by Technical Committee CEN/TC 70 “Manual means of fire fighting equipment”, the secretariat of which is held by AFNOR. 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 May 2010, and conflicting national standards shall be withdrawn at the latest by May 2010. 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 supersedes EN 3-6:1995. EN 3 consists of the following parts, under the general title Portable fire extinguishers: 

Part 7 1): Characteristics, performance requirements and test methods;



Part 8 2 : Additional requirements to EN 3-7 for the construction, resistance to pressure and mechanical tests for extinguishers with a maximum allowable pressure equal to or lower than 30 bar;



Part 9 : Additional requirements to EN 3-7 for pressure resistance of CO2 extinguishers;



Part 10 3): Provisions for evaluating the conformity of a portable fire extinguisher to EN 3-7.

)

2)

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 United Kingdom.

1)

Superseded EN 3-1, EN 3-2, EN 3-4 and EN 3-5.

2)

EN 3-8 and EN 3-9 superseded EN 3-3.

3)

EN 3-10 supersedes EN 3-6.

3

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1

Scope

This European Standard specifies the minimum requirements for attesting the conformity of portable fire extinguishers to EN 3-7, as well as the requirements for the quality and production control of the fire extinguishers. It specifies the documentation to be provided regarding: 

identification of the applicant;



identification of the manufacturer, if not the applicant;



identification of subcontractor(s), if applicable;



identification of the extinguisher;



documents provided with the extinguisher;



CE marking;



quality management system;



extinguishing media toxicological information.



type testing;



factory assessment;



controls during production.

NOTE 1 A test report and a satisfactory audit supporting documentation could form the basis for an applicant to request a certification of his product from an EA accredited certification body. Additional requirements can be made by national regulations and/or quality marks. NOTE 2

2

Where appropriate, component family testing could be applied.

Normative references

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 3-7:2004+A1:2007, Portable fire extinguishers — Part 7: Characteristics, performance requirements and test methods CEN/TR 15642, Unified tests procedures for the tests of EN 3-7 EN ISO 9001:2000, Quality management systems — Requirements (ISO 9001:2000) ISO/TR 8550 (all parts), Guidance on the selection and usage of acceptance sampling systems for inspection of discrete items in lots

4

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It specifies methods for:

BS EN 3-10:2009 EN 3-10:2009 (E)

3

Terms and definitions

For the purposes of this document, the terms and definitions given in EN 3-7:2004+A1:2007 and the following apply. 3.1 surveillance body inspection body third party, independent from the manufacturer 3.2 testing laboratory third party independent from the manufacturer 3.3 manufacturer legal entity that assembles and normally fills the fire extinguisher 3.4 sub contractor legal entity that undertakes on behalf of the manufacturer specific operations formally described in a subcontract agreement 3.5 applicant legal entity, which assumes full product responsibility NOTE

The applicant may also be the manufacturer.

3.6 EA accreditation of laboratories, inspection bodies and certification bodies by the European Co-operation for Accreditation NOTE The European Co-operation for Accreditation (EA) is the European network of nationally recognised accreditation bodies based in the European geographical area and is acknowledged by the European Commission and EFTA by memorandum of understanding concerning co-operation (see www.european-accreditation.org ).

3.7 certification body impartial body, governmental or non-governmental, possessing the necessary competence and responsibility to carry out certification of conformity according to given rules of procedure and management

4

Symbols and abbreviations

For the purposes of this document, the following symbols and abbreviations apply. EA

European Accreditation

PED

Pressure Equipment Directive (97/23/EC)

QMS

Quality Management System

FPC

Factory Production Control

TDS

Technical Data Sheet

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BS EN 3-10:2009 EN 3-10:2009 (E)

5 5.1

Documentation for type testing and audits Identification of the applicant

The identification of the applicant shall be provided.

5.2

Identification of the manufacturer

All locations directly controlled by the manufacturer and involved in the extinguisher’s manufacture shall be identified.

5.3

Identification of the extinguisher

Identification of the extinguisher shall contain: 

complete set of drawings in accordance clearly characterising the model; drawing shall enable each piece of pressure equipment and component to be identified;



Technical Data Sheet (TDS) (see model in Annex B).

5.4

Documents provided with the extinguisher

Documents on storage, installation, use and maintenance instructions shall be provided.

5.5

Pressure Safety

PED EC approval certificate(s) for fire extinguisher’s assembly covering both, type and production, from a PED notified body shall be provided. Clear link shall be made between EC type approval and the model of extinguisher.

5.6

Quality Management System --`,,```,,,,````-`-`,,`,,`,`,,`---

The Quality Management System documentation, if any, shall be provided NOTE Users of this document are advised to consider the desirability of accreditation in accordance with EN ISO 9001 delivered by an EA certification body or other Quality Management System (QMS) documentation giving an equivalent quality confidence. Equivalency is subjected to certification body’s appreciation.

5.7

Extinguishing media toxicological information

Safety data sheet in accordance with European Directive 1907/2006/EC including its modifications shall be provided.

6

Initial type testing

The applicant shall make available to a testing laboratory for assessment to EN 3-7: 

a batch of 50 extinguishers from which the number of extinguishers necessary for the verification shall be taken; the extinguishers selected shall be regarded as prototypes;



full documentation (drawings, technical file, etc.) of the extinguisher to be tested;



a documentation relating to the extinguishing media;

6

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

a technical data sheet of the extinguisher to be tested in accordance with Annex B.

NOTE Applicants are advised to consider the desirability of using a EA accredited laboratory, which is a third party independent from the manufacturer to perform tests in accordance with EN 3-7 and EA accredited in accordance with EN ISO/IEC 17025.

The testing laboratory shall issue a laboratory test report in accordance with Annex C. For this, it shall carry out the complete listed tests and checks programme. Where unified test procedures exist according to CEN/TR 15642, they shall be used in the testing of the extinguisher. The laboratory’s accreditation shall take these procedures into consideration.

7

Factory Production Control (FPC)

7.1

Requirements

The FPC system shall fulfil the requirements described in the following clauses, where applicable, which are taken from EN ISO 9001:2000.

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

4.2

(Documentation requirements), except 4.2.1 a).



5.1 e)

(Ensuring the availability of resources).



5.5.1

(Responsibility and authority).



5.5.2

(Management representative).



6

(Resource management).



7.1

(Planning of product realisation) except 7.1 a).



7.2.3 c) (Customer communication, information coming back from customers and customer complaints).



7.4

(Purchasing).



7.5

(Production and service provision).



7.6

(Control of monitoring and measuring devices).



8.2.3

(Monitoring and measurement of processes).



8.2.4

(Monitoring and measurement of product).



8.3

(Control of non conforming product).



8.5.2

(Corrective action).

The above requirements cover amongst others: calibration, training, records, complaints and requirements of Clause 9. NOTE

The FPC system can be part of a Quality Management System, e.g. in accordance with EN ISO 9001.

Where a current EN ISO 9001 certified QMS is existing, it may be taken into consideration.

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7.2

Additional requirements

a) Means for manufacturing extinguishers and/or extinguisher’s components shall be available; b) Means for performing the required controls shall be available and regularly calibrated; c) Product traceability records shall be available.

8

Reference numbering and marking

Upon successful completion of all tests and controls, a reference number can be issued by an EA accredited certification body or a national ministry. This reference number shall be marked on the extinguisher as described in EN 3-7:2004+A1:2007, 16.2.

9

Items to be regularly checked and recorded during production

Items listed in Table 1 and Table 2 shall be regularly checked and recorded as a minimum:

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Table 1 — Controls, tests and frequency Item nr as per test report (see Annex C)

EN 3-7 Clause

1

4.2

Frequency during manufacture

Title Control of discharge

N/R

2

4.3

Operation position

N/R

3

4.4

Hose assembly

Periodically a

4

4.5

Propellants

Based on documentation

5

4.6

Means of checking pressure for stored pressure N/R extinguishers

6

6.1

Nominal charges

N/R

7

6.2

Filling tolerances

Periodically a

8

6.3

Design of filling opening

N/R Periodically a

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9

7.1.1

Duration of operation, minimum duration

Manufacturer shall define acceptable limits

10

7.1.2

Duration of operation, spread of measurements

N/R

11

7.2

Residual charge

Periodically a

12

7.3

Commencement of discharge

Periodically a

13

7.4

Temperature cycling

N/R

14

8.1

Retention of propellant

N/R

15

8.2

Leakage acceptance level

see 8.3 of EN 3-7:2004+A1:2007

16

9.2

Dielectric test, for water based extinguishers

N/R

17

10.1

General requirement for use of extinguishers

N/R

18a

10.2

Operating force for C02 extinguishers

Periodically a

18b

10.2

st

Periodically a

nd

Operating force for other extinguishers – 1 device

18c

10.2

Operating force for other extinguishers – 2 device

Periodically a

19

10.3

Safety devices

Periodically a

20

10.4

Filter for water based extinguishers

N/R

21a

10.5

Hose and coupling systems, for C02 extinguishers

Periodically a

21 b

10.5

Hose and coupling systems, for other extinguishers

Periodically a

22a

10.6

Control valve, for C02 extinguishers

N/R

22b

10.6

Control valve, for 1 and 2 kg powder extinguishers

N/R

22c

10.6

Control valve, for other extinguishers

N/R

23

11.1.1

Pressure gauge

N/R to be continued

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Table 1 (continued) Item nr as per test report (see Annex C)

EN 3-7 Clause

Frequency during manufacture

Title

24

11.1.2

Pressure gauge scale

N/R

25

11.1.3

Pressure gauge error after cycling

N/R

26

11.1.4

Capability of pressure gauge materials

N/R

27

11.2

Pressure indicator

N/R

28

12.1

Horn / hose for C02 extinguishers

N/R

29

12.2

Horn resistance to static load

N/R

30

12.3

Security of horn / hose fixing

Periodically a

31

12.4

Horn resistance to temperature

N/R

32

13

Mounting bracket

N/R

33

14.1

Resistance to external corrosion

N/R

34

14.2

Resistance to internal corrosion

N/R

35

15.2

Class A fire rating

N/R

36

15.3

Class B fire rating

N/R

37

15.3

Suitability for polar solvents

N/R

38

15.4

Class F fire rating

N/R

39

16.1

Extinguisher identification, colour

Periodically a

40

16.2

Marking

Periodically a

N/R: not required (but listed to follow EN 3-7 requirements). a

Frequency shall be established by the manufacturer and shall be relevant with the checked item and quantity produced. Requirements of ISO/TR 8550 (all parts) shall be taken into consideration.

Table 2 Periodically a

A

Conformity to TDS

B

Conformity to documents for extinguishing media

C

Percentage of principal components of powder

D

Physical and chemical characteristics for additives used in water Periodically a based extinguishers according to manufacturer’s specification

E

Internal volume

F

External painting: adhesion / thickness (compared to the minimum Periodically a declared)

G

Internal lining (where applicable): controlled according to Periodically a manufacturer’s specification

H

Torque (Body/valve)

Periodically a

I

Propellant pressure or weight where appropriate

Periodically a

components used

including Periodically a Periodically a

Periodically a

a Frequency shall be established by the manufacturer and shall be relevant with the checked item and quantity produced. Requirements of ISO/TR 8550 (all parts) shall be taken into consideration.

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10 Surveillance The points to be checked by a surveillance body are given in Annex A.

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NOTE The manufacturer, or the sub contractors where they fill or assemble the fire extinguisher, should be subjected to the surveillance described in Annex A. A surveillance body EA is accredited in accordance with EN ISO/IEC 17020.

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Annex A (informative) Points to be checked by the surveillance body

A.1 Minimum audit frequency The minimum audit frequency is once a year for the applicant, manufacturer and subcontractor(s) if applicable.

A.2 Audits content A.2.1 Manufacturer and subcontractors With regard to manufacturer and subcontractors, the audits cover the products manufactured to EN 3-7. Where the certified QMS exists conforming to EN ISO 9001 (see 5.6), it shall be taken into consideration. Where the QMS is not certified, audits shall also cover relevant parts (see Clause 7). The manufacturer shall make the tests records relating to Clause 9 available to the auditor. Audits shall include records review. At the auditor’s discretion, selected tests from the list below shall be assessed. Common component may be tested to reduce the number of samples. Tests are performed on extinguishers selected at random by the auditor from production or from stock. A selection of extinguishing media for analysis according to points C and D of Table 2 can be made by the auditor at the occasion of the audit. These tests may be performed at manufacturer’s facilities or another suitable facility. Within a 5 year period, each test listed below shall have been performed on each model of a manufacturer: 

external painting: adhesion / thickness (compared to the minimum declared by the manufacturer);



internal lining (where applicable): controlled according to manufacturer’s specification;



filling tolerance;



torque (Body/valve) CO2; extinguishers only;



propellant pressure or weight where appropriate;



hose and coupling system: performance of the hose (minimum pressure resistance);



safety device removal force;



marking;



tightness-leak test;

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

duration of operation / residual charge (at 20 ± 5) °C;



duration of operation / residual charge (at limit temperature);



pressure indicating device.

A.2.2 Applicant The following should be checked: 

that applicant is authorized to represent the manufacturer;



all required technical files of the extinguisher are available;



whether applicant has a system for handling complaints;



whether applicant has available information from the manufacturer on the result of the half-year audits and whether applicant is informed on major problems with the extinguisher during the production (in other words, is there a good communication on these relevant points between applicant and manufacturer?).

A.3 Audit report The auditor shall provide the audited with an audit report that contains the assessments made, including controls and tests results. A copy of all audit report(s) shall be delivered to the applicant.

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Annex B (normative) Technical Data Sheet of an extinguisher Name and address of the applicant

Name and address of the manufacturer (when not the applicant) and place(s) of manufacture

Name and address of subcontractor and place(s) of subcontractor activity, where applicable [In this case please also describe subcontracted activity]

Name, title and address of person responsible for this testing

Description of modification

Date when extinguishers could be available for testing

Model number

Existing model or range name

Type of extinguisher Gas cartridge Stored pressure Extinguishing medium

Nominal charge:

CO2 Foam Water Water plus additive Powder Freezing point depressant Pressure relief device Bursting disc --`,,```,,,,````-`-`,,`,,`,`,,`---

Declared min./max. operating temperatures and corresponding pressures: Tmin:

°C

Tmax:

°C

P(Tmin)

bar

P(Tmax):

bar

Class of fire and target ratings …/…

14

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Table of parts Part

Supplier

Part No

Drawing No issue status

Material

Body/cylinder Valve Hose Horn Strainer Bursting disc Gas cartridge Dip tube

Table for extinguishing agent Characteristics

Manufacture

Specification

Chemical composition (Powder/Halon) Principle components (Powder) Particle distribution a (Powder) Density

in kg/dm

3

(Foaming agents) Viscosity

2

10 mm /s

(Foaming agents) Refractive index N20

D

(Foaming agent) PH

(Foaming agent)

Spectrogram b a

Method used to be stated Percentage for at least 3 particle sizes to be given.

b

At (20 + 2) °C - Infrared spectrogram to be supplied for foam concentrate and powder.

NB

If during testing changes are made this data sheet will be revised.

Please submit in duplicate technical documentation comprising: 1)

one set of drawings clearly characterising the model, including at a minimum those listed in the table of parts above;

2)

details of the extinguishing agent giving its physical and chemical characteristics, including at minimum the information required in the table for extinguishing agent above;

3)

an explanatory note on the type of heat treatment and welding and assembly process the cylinder has undergone.

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BS EN 3-10:2009 EN 3-10:2009 (E)

Annex C (normative) Model of laboratory report

This is a laboratory test report and not a product certification approval.

M O D E L LA B O R A T O R Y R E P O R T (Information contained on these two pages of the report shall be considered as the minimum list of details required in the introduction.)

•

Identification and address

Date of Issue of the report of the laboratory

LABORATORY TEST REPORT Report nr

: …………….

Requested by

: …………….

PORTABLE FIRE EXTINGUISHER Tests for conformity with EN 3-7:2004+A1:2007 •

Identification of extinguisher: ƒ

Type: (manufacturer’s designation of the model)………according to general drawing nr: ……………

ƒ

Manufacturer (identification, address etc.): …………

ƒ

Type and commercial name of extinguishing medium (or media): ……………

ƒ

Nominal charge of extinguisher: ……………

ƒ

Pressurisation (method, type, gas, mass or pressure): ……………

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•

Conclusion of the tests: Conformity of submitted samples with all applicable clauses of the standard: YES / NO. (details: see summary (taking model variants into consideration where relevant))

•

ƒ

Operating temperature range

: from ….. °C to ….. °C

ƒ

Checked working pressure

: at Tmin ................bar; at Tmax ..............bar

ƒ

Dielectric suitability (applicable only for water based extinguisher): ……………

ƒ

Fire class(es) intended for

: ……………

ƒ

Fire ratings achieved

: ……………

Supplementary information: •

•

Samples *Quantity of provided samples

: ……………

*Receipt of the samples by the lab – date

: ……………

Conformity to documentation

The extinguishers submitted can be identified from the detailed documentation supplied by the manufacturer comprising: * Annex 1: Conformity of the extinguishing media to the technical data provided by the manufacturer * Annex 2: List of documents included in this tests report (the minimum documents to identifies the fire extinguisher) * Annex 3 (if relevant): List of documents not included in this tests report, but registered by the laboratory *

PED references:

Certificate’s nr…. Notified Body’s nr,…

•

Report *

This report comprises …… pages, annexes 1 and …… annexes.

*

Only the materials detailed in this report have been subjected to tests.

*

The summary and conclusions of checks and tests are given on page …… .

* This report or any part of it may not be reproduced without the written permission of the laboratory. Laboratory stamp

Signature and position of the person or persons responsible of the laboratory

This is a laboratory test report and not a product certification approval.

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BS EN 3-10:2009 EN 3-10:2009 (E)

Table C.1 — Summary of checks and tests Applicable Yes / No

Item nr

EN 3-7 Clause

1

4.2

Control of discharge

2

4.3

Operating position

3

4.4

Hose assembly

4

4.5

Propellants

5

4.6

Means of checking pressure for stored pressure extinguishers

6

6.1

Nominal charges

7

6.2

Filling tolerances

8

6.3

Design of filling opening

9

7.1.1

Duration of operation, minimum duration

10

7.1.2

Duration of operation, spread of measurements

11

7.2

Residual charge

12

7.3

Commencement of discharge

13

7.4

Temperature cycling

14

8.1

Retention of propellant

15

8.2

Leakage acceptance level

16

9.2

Dielectric test, for water based extinguishers

17

10.1

General requirement for use of extinguishers

18a

10.2

Operating force for CO2 extinguishers

18b

10.2

Operating force for other extinguishers-1 device

18c

10.2

Operating force for other extinguishers-2

19

10.3

Safety devices

20

10.4

Filter for water based extinguishers

21a

10.5

Hose and coupling systems, for CO2 extinguishers

21b

10.5

Hose and coupling systems, for other extinguishers

Title

Conformity Yes / No

st

nd

device

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to be continued

18

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BS EN 3-10:2009 EN 3-10:2009 (E)

Table C.1 (continued) Item nr

EN 3-7 Clause

Applicable Yes / No

22a

10.6

Control valve, for CO2 extinguishers

22b

10.6

Control valve, for 1 and 2 kg powder extinguishers

22c

10.6

Control valve, for other extinguishers

23

11.1.1

Pressure gauge

24

11.1.2

Pressure gauge scale

25

11.1.3

Pressure gauge error after cycling

26

11.1.4

Compatibility of pressure gauge materials

27

11.2

Pressure indicator

28

12.1

Horn / hose for CO2 extinguishers

29

12.2

Horn resistance to static load

30

12.3

Security of horn / hose fixing

31

12.4

Horn resistance to temperature

32

13

33

14.1

Resistance to external corrosion

34

14.2

Resistance to internal corrosion

35

15.2

Class A fire rating

36

15.3

Class B fire rating

37

15.3

Class B polar solvent

38

15.4

Class F fire rating

39

16.1

Extinguisher identification, colour

40

16.2

Marking

Title

Conformity Yes / No

Mounting bracket

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BS EN 3-10:2009 EN 3-10:2009 (E)

Model of laboratory test report according to EN 3-7:2004+A1:2007 1)

Control of discharge (EN 3-7:2004+A1:2007, 4.2)

Provision of device to interrupt discharge (yes/no) Self closing device (yes/no) Conformity to 4.2 (yes/no)

2)

Operating position (EN 3-7:2004+A1:2007, 4.3)

Operation without inversion (yes/no) Operating device location conform to requirements (yes/no) Conformity to 4.3 (yes/no)

3)

Hose assembly (EN 3-7:2004+A1:2007, 4.4)

Nominal charge (kg/l) Requirement for hose (yes/no) Length of actual flexible hose fitted (mm) Required length (mm) ≥ 400 / ≥ 250 Conformity to 4.4 (yes/no)

4)

Propellants (EN 3-7:2004+A1:2007, 4.5)

Type of propellant (to be checked by documentation) Tracer Conformity to 4.5 (yes/no)

5)

Means of checking pressure for stored pressure extinguishers (EN 3-7:2004+A1:2007, 4.6)

Means for pressure check available (yes/no/not applicable)

Compliance to 4.6 (yes/no)

6)

Nominal charges (EN 3-7:2004+A1:2007, 6.1)

Nominal charge (kg/l) Conformity to 6.1 (yes/no)

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A – Pressure gauge

❏

B – Pressure indicator

❏

C – Pressure connection

❏

BS EN 3-10:2009 EN 3-10:2009 (E)

7)

Filling tolerances (EN 3-7:2004+A1:2007, 6.2)

Sample

1

2

3

4

Actual charge (kg/l) Deviation from nominal (%) Maximum allowed tolerance (%) Conformity to 6.2 (yes/no)

8)

Design of filling opening (EN 3-7:2004+A1:2007, 6.3)

Provision to vent pressure (yes/no) Pressure released within 1/3 of disassembly (yes/no) Diameter of actual filling opening (mm) Required minimum diameter:

≥ 20 mm if nominal charge ≤ 3 (kg/l)

≥

or ≥ 25 mm if nominal charge > 3 (kg/l) Conformity to 6.3 (yes/no)

9)

Duration of operation, minimum duration (EN 3-7:2004+A1:2007, 7.1.1)

Sample

1

2

3

Measured duration (s) ≥

Required duration (s) Conformity to 7.1.1 (yes/no)

10) Duration of operation, spread of measurements (EN 3-7:2004+A1:2007, 7.1.2) Deviation of measured time from average discharge duration: Average discharge duration (s) Sample

1

2

3

Actual deviation (%) ≤ ± 15

Required deviation (%) Conformity to 7.1.2 (yes/no) --`,,```,,,,````-`-`,,`,,`,`,,`---

11) Residual charge (EN 3-7:2004+A1:2007, 7.2) Residue as a percentage of the nominal charge: Sample

1

2

3

Actual (%) ≤ 10

Required (%) Conformity to 7.2 (yes/no)

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12) Commencement of discharge (EN 3-7:2004+A1:2007, 7.3) Sample

1

2

3

Measured (s) ≤4

Required (s) Conformity to 7.3 (yes/no)

13) Temperature cycling (EN 3-7:2004+A1:2007, 7.4) Temperature cycling

Cycle A

Sample

Cycle B

1

2

3

4

Temperature at start of cycle (°C)

Tmin:

Tmin:

Tmax:

Tmax:

Temperature at end of cycle (°C)

Tmax:

Tmax:

Tmin:

Tmin:

c

≤

Commencement of discharge, actual (s) ≤ 10

Commencement of discharge, required (s) Duration of operation, actual (s) Maximum duration of operation, required (s)

a

Minimum duration of operation, required (s)

≥6

Duration of operation for CO2, actual (s) Max. duration of operation for CO2, required (s)

b

≤

Residual charge, actual (%) ≤d

Residual charge, required (%) Conformity to 7.4 (yes/no) a

The maximum duration of operation shall be not more than twice the value established at a temperature of 20 °C for all extinguishers except for CO2.

b

For CO2 tested at Tmax, the duration of operation shall be less or equal than the duration measured at 20 °C.

c

For CO2 tested at Tmin, the duration of operation shall be less or equal to 2,5 times the duration measured at 20 °C.

d

Maximum 15 % for BC powder, maximum 10 % for all other agents.

14) Retention of propellant (EN 3-7:2004+A1:2007, 8.1) Verification possible (yes/no) Verification method (by weighing / by pressure) Verification device (connection / gauge / indicator) Conformity to 8.1 (yes/no)

22

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15) Leakage acceptance level (EN 3-7:2004+A1:2007, 8.2) Sample

1

2

Stored pressure extinguishers: Actual leakage % a ≤ 6 % / year a

Required rate of leakage

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Extinguishers and/or gas cartridges checked by weighing: Actual leakage % b ≤ 5 % weight / year b

Required rate of leakage

Gas cartridge extinguishers: 3

Actual leakage (cm /min/kg(l)) 3

≤ 5 cm /min/kg(l)

Required rate of leakage Conformity to 8.2 (yes/no) a

For stored pressure extinguishers, % of the expanded free gas volume at 20 °C.

b

For propellant cartridges and CO2 extinguishers % of the nominal charge.

16) Dielectric test, for water based extinguishers (EN 3-7:2004+A1:2007, 9.2) Actual current at 35 kV (mA) ≤ 0,5 mA

Required current at 35 kV (mA) Conformity to 9.2 (yes/no)

17) General requirement for use of extinguishers (EN 3-7:2004+A1:2007, 10.1) Capable to use extinguisher without mounting, removal or modifying of any component except for the safety device (yes/no) Conformity to 10.1 (yes/no)

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18a) Operating force for CO2 extinguishers (EN 3-7:2004+A1:2007, 10.2) Activation without repetition of action

(yes/no)

Force to activate the extinguisher Sample

at Tmin:

at Tmax:

°C

°C

1

Actual

(N)

Required

(N)

2

4

≤ 300

Force to activate the extinguisher, if applicable

at 40 °C

Sample

1 (N)

Required

(N)

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Actual

Conformity to 10.2

3

2

≤ 200

(yes/no)

18b) Operating force for other extinguishers (EN 3-7:2004+A1:2007, 10.2) st

1 device: Activation without repetition of action

(yes/no)

Force to activate the extinguisher: Sample

1

Actual force to activate finger trigger

(N)

Required force to activate finger trigger

(N)

Actual force to squeeze grip lever

(N)

Required force to squeeze grip lever

(N)

Actual force to screw down hand wheel

(N) a

Required force to screw down hand wheel

(N) a

Actual energy to strike knob

(J)

Required energy to strike knob

(J)

Conformity to 10.2 a

(yes/no)

Measured at outside of the wheel. Maximum of 360° rotation to full open position.

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at Tmin:

at Tmax:

°C

°C 2

3

≤ 100

≤ 200

≤ 100

≤2

4

BS EN 3-10:2009 EN 3-10:2009 (E)

18c) Operating force for other extinguishers (EN 3-7:2004+A1:2007, 10.2) nd

2 device: at Tmin:

at Tmax:

°C

°C

Force to activate the control valve: Sample

1

Actual force to activate finger trigger

(N)

Required force to activate finger trigger

(N)

Actual force to squeeze grip lever

(N)

Required force to squeeze grip lever

(N)

Conformity to 10.2

2

3

4

≤ 100

≤ 200

(yes/no)

19) Safety devices (EN 3-7:2004+A1:2007,10.3) Release of safety device distinct from operating mechanism

(yes/no)

Removal of safety device can be seen

(yes/no)

Force to release safety device

Sample

at Tmin

at 20

at Tmax

°C

°C

°C

1

Actual

(N)

Required

(N)

2

3

4

5

20 ≤ X ≤ 100

Attempt to initiate discharge without release of safety device: Sample

1

Deformation or damage of operating mechanism in case of double force

(yes/no)

Conformity to 10.3

(yes/no)

2

Filter position upstream of smallest orifice (yes/no) Area of each filter orifice smaller than smallest area of the discharge passage (yes/no) 2

Area of smallest orifice in discharge passage (mm ) 2

Total area of filter orifices (mm ) Total filter area 8 times larger than smallest orifice area (yes/no)

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20) Filter for water based extinguishers (EN 3-7:2004+A1:2007, 10.4)

Filter accessible for maintenance (yes/no) Conformity to 10.4 (yes/no)

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21a) Hose and coupling systems, for CO2 extinguishers (EN 3-7:2004+A1:2007, 10.5) Burst pressures (bar) at Tmin , 20 °C and Tmax (°C): Actual test temperature sample 1 (20 ± 5) °C

Required test temperature Actual burst pressure sample 1 Required burst pressure ≥ 1,5 × P(Tmax ) Actual test temperature sample 2 Required test temperature Tmax Actual burst pressure sample 2 Required burst pressure ≥ 1,25 × P(Tmax ) Actual test temperature sample 3 Required test temperature Tmax Actual burst pressure sample 3 Required burst pressure ≥ 1,25 × P(Tmax ) Actual test temperature sample 4 Required test temperature Tmin Actual burst pressure sample 4 Required burst pressure ≥ 1,25 × P(Tmax ) Actual test temperature sample 5 Required test temperature Tmin Actual burst pressure sample 5 Required burst pressure ≥ 1,25 × P(Tmax ) Functional throughout operating temperature range (yes/no) --`,,```,,,,````-`-`,,`,,`,`,,`---

Suitable design to prevent hose damage (yes/no) Conformity to 10.5 (yes/no)

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21b) Hose and coupling systems, for other extinguishers (EN 3-7:2004+A1:2007, 10.5) Burst pressures (bar) at Tmin, 20 °C and Tmax (°C): Actual test temperature sample 1 (20 ± 5) °C

Required test temperature Actual burst pressure sample 1 Required burst pressure ≥ 3 × P(Tmax ) Actual test temperature sample 2 Required test temperature Tmax Actual burst pressure sample 2 Required burst pressure ≥ 2 × P(Tmax ) Actual test temperature sample 3 Required test temperature Tmax Actual burst pressure sample 3 Required burst pressure ≥ 2 × P(Tmax ) Actual test temperature sample 4 Required test temperature Tmin Actual burst pressure sample 4 Required burst pressure ≥ 2 × P(Tmax ) Actual test temperature sample 5 Required test temperature Tmin Actual burst pressure sample 5 Required burst pressure ≥ 2 × P(Tmax ) Functional throughout operating temperature range (yes/no) Suitable design to prevent hose damage (yes/no) Conformity to 10.5 (yes/no)

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22a) Control valve, for CO2 extinguishers (EN 3-7:2004+A1:2007, 10.6.1 and 10.6.4) Equipped with self-closing discharge valve (yes / no) Sample

1

2

Initial mass before discharge (kg) Remaining mass A measured within 10 s of completion of partial discharge (kg) Remaining mass B discharge measured after 5 min of completion of partial discharge (kg) Actual ratio remaining mass B / remaining mass A (%) Required ratio remaining mass B / remaining mass A (%)

≥ 80

Conformity to 10.6 (yes/no)

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22b) Control valve, for 1 and 2 kg powder extinguishers (EN 3-7:2004+A1:2007, 10.6.1 and 10.6.3) Equipped with self-closing discharge valve (yes/no) Sample

1

2

Remaining pressure A measured within 10 s of completion of partial discharge (bar) Remaining pressure B measured after 2 min of completion of partial discharge (bar) Actual ratio remaining pressure B / remaining pressure A (%) ≥ 80

Required ratio remaining pressure B / remaining pressure A (%) Conformity to 10.6 (yes/no)

22c) Control valve, for other extinguishers (EN 3-7:2004+A1:2007, 10.6.1 and 10.6.2) Equipped with self-closing discharge valve (yes/no) Sample

1

2

Initial pressure A before discharge (bar) Remaining pressure B measured within 10 s of completion of partial discharge (bar) Remaining pressure C measured after 5 min of completion of partial discharge (bar) Actual ratio pressures C / A (%) ≥ 50

Required ratio pressures C / A (%) Actual ratio pressures C / B (%)

≥ 80

Required ratio pressures C / B (%) Conformity to 10.6 (yes/no)

23) Pressure gauge (EN 3-7:2004+A1:2007, 11.1.1) Pressure gauge present (yes/no) Capable of being checked on good working order with an external pressure (yes/no/not applicable) Conformity to 11.1.1 (yes/no/not applicable)

28

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24) Pressure gauge scale (EN 3-7:2004+A1:2007, 11.1.2) Scale calibrated in bars (yes/no) Zero zone (yes/no) End stop on zero zone (yes/no) End stop at negative pressure side of the zero zone (yes/no) Pointer contact end stop (yes/no) Green zone between operating pressures (yes/no) Tolerance of –15 % for pressure at Tmin (yes/no) Tolerance of +6 % for pressure at Tmax (yes/no) Pressures rounded off to full or half bar (yes/no) Side zones of green zone coloured red (yes/no) Operating pressure at +20° indicated (yes/no) Scale length ≥ 1,5 × length from zero to the high pressure end of the green zone (yes/no) Pointer radially into the green zone with length of between 50 % and 80 % of the green zone height (yes/no) Position of pointer clearly visible at ends of green zone and at operating pressure at 20 °C (yes/no) Conformity to 11.1.2 (yes/no/not applicable)

25) Pressure gauge error after cycling (EN 3-7:2004+A1:2007, 11.1.3) Initial Sample

1

2

After 1 000 cycles 3

1

2

3

Beginning of green zone (bar) Error ≤ 1 bar (yes/no) End of green zone (bar) Error ≤ ± 6 % (yes/no) Operating pressure at 20 °C (bar) Error ≤ ± 0,5 bar (yes/no) Conformity to 11.1.3 (yes/no/not applicable)

26) Compatibility of pressure gauge materials (EN 3-7:2004+A1:2007, 11.1.4) Gauge materials compatible with the extinguishing medium and propellant (yes/no) Conformity to 11.1.4 (yes/no/not applicable)

29

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27) Pressure indicator (EN 3-7:2004+A1:2007, 11.2) Pressure indicator present (yes/no) Indication of operable condition (yes/no) Minimum operating temperature (°C) Pressure at minimum operating temperature; P(Tmin) (bar) Sample

1

2

Measured pressure at P(Tmin) indication (bar) Indication error < ±1 bar (yes/no) Conformity to 11.2 (yes/no/not applicable)

28) Horn / hose for CO2 extinguishers (EN 3-7:2004+A1:2007, 12.1) Horn provided with a handle (yes / no) Conformity to 12.1 (yes/no)

29) Horn resistance to static load (EN 3-7:2004+A1:2007, 12.2) Visible damage after static load test (yes / no) Diameter of the horn before static load test (mm) Diameter of the horn after static load test (mm) Actual ratio of horn diameter before/after static load test (%) < 10

Required ratio of horn diameter before/after static load test (%) Conformity to 12.2 (yes/no)

30) Security of horn / hose fixing (EN 3-7:2004+A1:2007, 12.3) Method of locking

Mechanical

Adhesive

≥ 20

≥ 10

Actual torque to loosen hose / horn assembly (Nm) Required torque to loosen assembly (Nm) Conformity to 12.3 (yes/no)

31) Horn resistance to temperature (EN 3-7:2004+A1:2007, 12.4) Sample

1

2

Diameter of the horn at ambient temperature before discharge (mm) Diameter of the horn after raising temperature to Tmax and discharge (mm) Actual ratio of horn diameter before/after the test (%) ≤ 10

Required ratio of horn diameter before/after the test (%) Visible damage after temperature/ discharge test (yes/no) Conformity to 12.4 (yes/no)

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32) Mounting bracket (EN 3-7:2004+A1:2007, Clause 13) Easy removal extinguisher from bracket (yes/no) Method of removal is obvious (yes/no) Capable of supporting twice the total mass of extinguisher without permanent deformation (yes/no) Conformity to Clause 13 (yes/no)

33) Resistance to external corrosion (EN 3-7:2004+A1:2007, 14.1) Observations after the salt spray test as per H.1 of Annex H: Sample

1

2

Operating force for CO2 extinguishers – 10.2 (yes/n.a.) Actual (N) ≤ 200

Required (N) Operating force for other extinguishers – 10.2 (yes/n.a.) Actual force to activate finger trigger (N)

≤ 100

Required force to activate finger trigger (N) Actual force to squeeze grip lever (N)

≤ 200

Required force to squeeze grip lever (N) Actual force to screw down hand wheel (N)

≤ 100

Required force to screw down hand wheel (N) Actual energy to strike knob (J)

≤2

Required energy to strike knob (J) Force to release safety device – 10.3: Actual (N)

20 ≤ 100

Required (N) Duration of operation – 7.1.2: Measured (s) Average duration, see item 10 (s) Actual deviation from the average duration time (%)

≤ 25

Required deviation from the average duration time (%) Return of pressure gauge/ indicator to indication of no pressure (yes/no/n.a.) Burst pressure hose – 10.5 for CO2 extinguishers (yes/n.a.) Actual burst pressure Required burst pressure ≥ 1,5 × P(Tmax) Burst pressure hose – 10.5 for other extinguishers (yes/n.a.) Actual burst pressure Required burst pressure ≥ 3 x P(Tmax) Corrosion of metal likely to impair the operation or safety (yes/no) Conformity to 14.1 (yes/no)

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34) Resistance to internal corrosion (EN 3-7:2004+A1:2007, 14.2) Observations after 8 times temperature cycle as per H.2 of Annex H: Sample

1

2

Evidence of corrosion (yes/no) Detachment of coating (yes/no) Cracking of coating (yes/no) Bubbling of coating (yes/no) Change of agent colour a (yes/no) Conformity to 14.2 (yes/no) a

Except for change resulting from the thermal cycling.

35) Class A fire rating (EN 3-7:2004+A1:2007, 15.2) Test No

1

2

Fire size Moisture of test fire wood: measured average (%) Required (%)

10 to 15

Actual ambient temperature within test room (°C) Required temperature within test room (°C)

0 to 30

Minimum oxygen concentration recorded during the test (%) ≥ 19

Required oxygen concentration (%) Fire extinguished: (yes / no) Measured time to extinguish fire (min-s) Required ≤ 5 min for ≤ 21A; ≤ 7 min for ≥ 27A Achieved test fire rating – Class A Minimum required test fire rating – Class A a

A

Conformity to 15.2 (yes/no) a

As per Table 3 or 4 of 6.4.2.

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36) Class B fire rating (EN 3-7:2004+A1:2007, 15.3) Test No

1

2

3

Fire size Actual ambient temperature (°C) Required ambient temperature (°C)

0 to 30

Actual wind speed, if outdoors (m/s) 5

Required (mm) Achieved test fire rating – Class B Minimum required test fire rating – Class B a

B

Conformity to 15.3 (yes/no) a

As per Table 5, 6, 7 or 8 of 6.4.3.

Test No

1

2

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37) Class B – Polar solvent fire test (EN 3-7:2004+A1:2007, 15.3) 3

Actual ambient temperature (°C) Required ambient temperature (°C)

10 to 20

Actual fuel temperature (°C) Required fuel temperature (°C)

15 to 20

Fire extinguished (yes/no) Measured time to extinguish fire (min – s) ≤3

Required time to extinguish fire (min) Test fire achieved (yes/no) Conformity to 15.3 (yes/no)

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38) Class F fire rating (EN 3-7:2004+A1:2007, 15.4) Test No

1

2

3

Fire size Actual ambient temperature (°C) Required ambient temperature (°C)

0 to 30

Measured time to reach auto-ignition (h – min) < 3 h 30 min

Required time to reach auto-ignition (h – min) Measured auto-ignition temperature (°C) Required auto-ignition temperature (°C)

330 to 380

Complete discharge of the extinguisher without Interruption (yes/no) Fire extinguished (yes/no) Burning material ejected (yes/no) Re-ignition within 20 min (yes/no) Oil left after extinction (yes/no) Enlargement of flames observed (yes/no) Achieved test fire rating – Class F

F

Minimum required test fire rating – Class F a

F

Conformity to 15.4 (yes/no) a

As per Table L.1 of Annex L.

39) Extinguisher identification, colour (EN 3-7:2004+A1:2007, 16.1)

Colour coded for extinguishant (yes/no) Coded area ≤ 10 % of body surface area (yes/no/n.a.) National regulation for colour code extinguishant applicable (yes/no) Conformity to 16.1 (yes/no)

40) Marking (EN 3-7:2004+A1:2007, 16.2) Conformity to 16.2 (yes/no)

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Colour of extinguisher body red RAL 3000 (yes/no)

BS EN 3-10:2009 EN 3-10:2009 (E)

Annex 1 to the test report

Powder characteristics to be tested in accordance with EN 615 Manufacturer specification

Characteristics

Sample measurement

Within specification yes/no

Commercial name Chemical Composition (Clause 7) Chemical name

%

Method

%

st

1 component nd

2 component 3

rd

component

th

4 component …… Particle distribution (Clause 6) Method > 125 µm (%) ± 5 > 63 µm (%) ± 8 > 40 µm (%) ± 8 Colour Conformity to manufacturer’s specification (yes/no)

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Water based extinguishing agents characteristics to be tested. NOTE 1 Fill one table to each component as defined on the label and/or the filling instructions (excluding water) and one table for the extinguishing media ready to use.

First component Characteristics

Test temperature °C a

Manufacturer specification

Sample measurement

Within specification yes/no

Commercial name Density in kg/dm

3

(--- ± 2) °C

2

Viscosity in mm /s

(--- ± 2) °C

Refractive index

(--- ± 2) °C

N D 20 (--- ± 2) °C

pH

Conformity to Manufacturer’s specification (yes/no) An infrared spectrogram performed by the laboratory shall be included in the documentation for future comparison. a

Temperature given by the manufacturer which shall be in the range of 15 °C to 30 °C.

Second component (if any) Characteristics

Test temperature °C a

Manufacturer specification

Sample measurement

Within specification yes/no

Commercial name Density in kg/dm

3

(--- ± 2) °C

2

Viscosity in mm /s

(--- ± 2) °C

Refractive index

(--- ± 2) °C

N D 20 (--- ± 2) °C

pH

Conformity to Manufacturer’s specification (yes/no) An infrared spectrogram performed by the laboratory shall be included in the documentation for future comparison. a

Temperature given by the manufacturer which shall be in the range of 15 °C to 30 °C.

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Third component (if any) Extinguishing media Characteristics

Test temperature °C a

Manufacturer specification

Sample measurement

Within specification yes/no

Commercial name Density in kg/dm

3

(--- ± 2) °C

2

Viscosity in mm /s

(--- ± 2) °C

Refractive index

(--- ± 2) °C

N D 20 (--- ± 2) °C

pH

Conformity to Manufacturer’s specification (yes/no) An infrared spectrogram performed by the laboratory shall be included in the documentation for future comparison. a

Temperature given by the manufacturer which shall be in the range of 15 °C to 30 °C.

NOTE 2 In cases where the manufacturer supplied the specifications of all the components, the laboratory can compensate the lack of supply of the extinguishing media by performing the measurement using a sample prepared by himself using the same formula of the manufacturer.

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BS EN 3-10:2009 EN 3-10:2009 (E)

Annex 2 to the test report

List of documents included in this test report.

38

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Annex 3 to the test report

List of documents non-included in this report.

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Bibliography

EN 615, Fire protection — Fire extinguishing media — Specifications for powders (other than class D powders)

[2]

EN ISO/IEC 17020, General criteria for the operation of various types of bodies performing inspection (ISO/IEC 17020:1998)

[3]

EN ISO/IEC 17021, Conformity assessment — Requirements for bodies providing audit and certification of management systems (ISO/IEC 17021:2006)

[4]

EN ISO/IEC 17025, General requirements for the competence of testing and calibration laboratories (ISO/IEC 17025:2005)

[5]

Regulation (EC) No 1907/2006 of the European Parliament and of the Council of 18 December 2006 concerning the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH), establishing a European Chemicals Agency, amending Directive 1999/45/EC and repealing Council Regulation (EEC) No 793/93 and Commission Regulation (EC) No 1488/94 as well as Council Directive 76/769/EEC and Commission Directives 91/155/EEC, 93/67/EEC, 93/105/EC and 2000/21/EC

[6]

European Directive 97/23/EC – Directive 97/23/EC of the European Parliament and of the Council of 29 May 1997 on the approximation of the laws of the Member States concerning pressure equipment

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[1]

40

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BS EN 3-10:2009

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