Railway applications - Brake indicators

This European Standard specifies the requirements for the design, dimensions, performance and testing of single/double brake indicators. It applies to pneumatically and electrically operating brake indicators visible from the outside of the vehicle.
NOTE 1   Brake indicators are for giving precise and accurate information about release and application of the brake.
This European Standard applies to brake indicators on railway vehicles used on the main national networks, urban networks, underground railways, trams and private networks (regional railways, company railways etc.).
NOTE 2   This document does not apply to brake indicator for magnetic track brake or eddy current brake.

Bahnanwendungen - Bremsanzeigevorrichtungen

Diese Europäische Norm bestimmt die Anforderungen für Konstruktion, Maße, Leistung und Versuche für einfache/doppelte Bremsanzeigevorrichtungen. Sie gilt für pneumatische und elektrische Bremsanzeiger, die außerhalb des Fahrzeuges sichtbar sind.
ANMERKUNG 1   Bremsanzeigevorrichtungen dienen dazu, deutliche und genaue Informationen über das Lösen und Anlegen der Bremse zu geben.
Diese Europäische Norm gilt für Bremsanzeigevorrichtungen in Eisenbahnfahrzeugen, die auf den nationalen Hauptstrecken, S-Bahnstrecken, Untergrundbahnen, Straßenbahnstrecken und privaten Strecken (Regional-bahnen, Werksbahnen usw.) eingesetzt werden.
ANMERKUNG 2   Dieses Dokument gilt nicht für Bremsanzeigevorrichtungen für Magnetschienenbremsen oder Wirbelstrombremsen.

Applications ferroviaires - Indicateurs de freins

La présente Norme européenne spécifie les exigences à respecter pour la conception, les dimensions, les performances et les essais des indicateurs de frein simples/doubles. Elle s'applique aux indicateurs de frein à fonctionnement électrique ou pneumatique visibles depuis l'extérieur du véhicule.
NOTE 1   Les indicateurs de frein servent à donner des informations sures et précises sur le serrage et le desserrage des freins.
Cette Norme européenne s'applique aux indicateurs de frein des véhicules ferroviaires utilisés par les réseaux principaux nationaux, les réseaux urbains, métropolitains, les tramways et les réseaux privés (chemins de fer régionaux, compagnies privées, etc.).
NOTE 2   Ce document ne s'applique pas aux indicateurs de frein des freins électromagnétique ou à courants de Foucault.

Železniške naprave - Kazalniki zavor

Ta evropski standard določa zahteve za zasnovo, dimenzije, zmogljivost in preskušanje enojnih/dvojnih kazalnikov zavor. Uporablja se za pnevmatske in električne kazalnike zavor, vidne zunaj vozila.
OPOMBA 1: Kazalniki zavor podajajo natančne in točne informacije o sprostitvi in uporabi zavor.
Ta evropski standard se uporablja za kazalnike zavor železniških vozil, ki se uporabljajo v glavnih državnih, urbanih, podzemnih, tramvajnih in zasebnih omrežjih (regionalne železniške proge, železniške proge podjetij itd.).
OPOMBA 2: Ta dokument se ne uporablja za kazalnike zavor za magnetne tirne zavore ali zavore na vrtinčne tokove.

General Information

Status
Published
Public Enquiry End Date
08-Feb-2015
Publication Date
05-Sep-2016
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
25-Aug-2016
Due Date
30-Oct-2016
Completion Date
06-Sep-2016

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Železniške naprave - Kazalniki zavorBahnanwendungen - BremsanzeigevorrichtungenApplications ferroviaires - Indicateurs de freinsRailway applications - Brake indicators45.040Materiali in deli za železniško tehnikoMaterials and components for railway engineeringICS:Ta slovenski standard je istoveten z:EN 15220:2016SIST EN 15220:2016en,fr,de01-oktober-2016SIST EN 15220:2016SLOVENSKI

STANDARDSIST EN 15220-1:2009+A1:20111DGRPHãþD
SIST EN 15220:2016
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 15220
August
t r s x ICS
v wä r x rä r s Supersedes EN
s w t t ræ sã t r r z ªA sã t r s sEnglish Version

Railway applications æ Brake indicators Applications ferroviaires æ Indicateurs de freins

Bahnanwendungen æ Bremsanzeigevorrichtungen This European Standard was approved by CEN on

s t June
t r s xä

egulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterationä Upætoædate lists and bibliographical references concerning such national standards may be obtained on application to the CENæCENELEC Management Centre or to any CEN memberä

translation under the responsibility of a CEN member into its own language and notified to the CENæCENELEC Management Centre has the same status as the official versionsä

CEN members are the national standards bodies of Austriaá Belgiumá Bulgariaá Croatiaá Cyprusá Czech Republicá Denmarká Estoniaá Finlandá Former Yugoslav Republic of Macedoniaá Franceá Germanyá Greeceá Hungaryá Icelandá Irelandá Italyá Latviaá Lithuaniaá Luxembourgá Maltaá Netherlandsá Norwayá Polandá Portugalá Romaniaá Slovakiaá Sloveniaá Spainá Swedená Switzerlandá Turkey and United Kingdomä

EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre:
Avenue Marnix 17,
B-1000 Brussels

t r s x CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Membersä Refä Noä EN

s w t t rã t r s x ESIST EN 15220:2016

EN 15220:2016 (E) 2 Contents Page European foreword ....................................................................................................................................................... 4 1 Scope .................................................................................................................................................................... 5 2 Normative references .................................................................................................................................... 5 3 Terms and definitions ................................................................................................................................... 5 4 Symbols and abbreviations ......................................................................................................................... 7 5 Requirements ................................................................................................................................................... 8 5.1 Design and manufacturing ........................................................................................................................... 8 5.2 Operating conditions ..................................................................................................................................... 8 5.2.1 General conditions .......................................................................................................................................... 8 5.2.2 Specific requirements for pneumatic brake indicators .................................................................... 9 5.2.3 Specific requirements for electrical brake indicators ....................................................................... 9 5.3 Functional characteristics ........................................................................................................................ 10 5.3.1 Application/release status (pneumatic brake indicator) ............................................................. 10 5.3.2 Lubrication (pneumatic brake indicator) ........................................................................................... 10 5.3.3 Leakage (pneumatic brake indicator) .................................................................................................. 10 5.3.4 Electrical characteristics ........................................................................................................................... 10 5.4 Design requirements .................................................................................................................................. 10 5.4.1 External appearance ................................................................................................................................... 10 5.4.2 Fire/smoke behaviour ............................................................................................................................... 10 5.4.3 Connections .................................................................................................................................................... 10 5.4.4 Electric contacts and operating voltage (pneumatic brake indicator) ..................................... 10 5.4.5 Space envelope (pneumatic brake indicator) .................................................................................... 11 5.4.6 Indicator window ......................................................................................................................................... 11 5.4.7 Brake indicator weight .............................................................................................................................. 11 6 Type test methods ........................................................................................................................................ 11 6.1 Sampling for type test ................................................................................................................................. 11 6.2 Test requirements ....................................................................................................................................... 11 6.3 Test procedure for pneumatic indicators ........................................................................................... 11 6.3.1 Principle .......................................................................................................................................................... 11 6.3.2 Check of physical and geometrical characteristics .......................................................................... 12 6.3.3 Hydraulic test (water pressure) at given pressure .......................................................................... 12 6.3.4 Protection against ingress of dust and water .................................................................................... 13 6.3.5 Insulation test (pneumatic brake indicators with switches only) ............................................. 13 6.3.6 Dielectric strength (pneumatic brake indicators with switches only) ..................................... 14 6.3.7 Tightness test ................................................................................................................................................. 14 6.3.8 Application/release status control ........................................................................................................ 16 6.3.9 Vibration test ................................................................................................................................................. 18 6.3.10 Resistance to shock test ............................................................................................................................. 18 6.3.11 Endurance at ambient temperature test ............................................................................................. 18 6.3.12 Corrosion test ................................................................................................................................................ 19 6.3.13 Fire/smoke behaviour ............................................................................................................................... 19 6.3.14 Examination ................................................................................................................................................... 20 6.4 Test procedure for electrical indicators .............................................................................................. 20 6.4.1 General ............................................................................................................................................................. 20 6.4.2 Dust test for electrical brake indicators .............................................................................................. 20 SIST EN 15220:2016

EN 15220:2016 (E) 3 6.4.3 Water test for electrical brake indicators ........................................................................................... 20 6.4.4 Vibration and shock test ............................................................................................................................ 20 6.4.5 Fire/smoke behaviour ................................................................................................................................ 21 7 In Service assessment ................................................................................................................................. 21 7.1 General ............................................................................................................................................................. 21 7.2 Service trial ..................................................................................................................................................... 21 7.3 Sample .............................................................................................................................................................. 21 7.4 Previous tests (before start of the service trial) ............................................................................... 21 7.5 Intermediate test .......................................................................................................................................... 21 7.6 Final tests ......................................................................................................................................................... 21 8 Routine tests ................................................................................................................................................... 21 9 Designation ..................................................................................................................................................... 22 10 Marking ............................................................................................................................................................ 22 Annex A (informative)

Brake indicator and parking brake indicator pneumatically operated overall dimensions ................................................................................................................... 23 Annex ZA (informative)

Relationship between this
European

Standard and the Essential Requirements of EU Directive 2008/57/EC ........................................................................................ 28

SIST EN 15220:2016

EN 15220:2016 (E) 4 European foreword This document (EN 15220:2016) has been prepared by Technical Committee CEN/TC 256 “Railway applications”, 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 February 2017, and conflicting national standards shall be withdrawn at the latest by February 2017. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 15220-1:2008+A1:2011. 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 2008/57/EC. For relationship with EU Directive, see informative Annex ZA which is an integral part of this document. 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. SIST EN 15220:2016

EN 15220:2016 (E) 5 1 Scope This European Standard specifies the requirements for the design, dimensions, performance and testing of single double and multiple brake indicators. It applies to pneumatically and electrically operating brake indicators visible from the outside of the vehicle. NOTE Brake indicators are for giving information about release and application of the brake. This European Standard applies to brake indicators on railway vehicles used on the main national networks, urban networks, underground railways, trams and private networks (regional railways, company railways etc.). This document does not apply to brake indicator for magnetic track brake or eddy current brake. 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 14478, Railway applications - Braking - Generic vocabulary EN 45545-2, Railway applications — Fire protection on railway vehicles — Part 2: Requirements for fire behaviour of materials and components EN 50121-3-2, Railway applications - Electromagnetic compatibility - Part 3-2: Rolling stock – Apparatus EN 50125-1, Railway applications — Environmental conditions for equipment — Part 1: Equipment on board rolling stock EN 50155, Railway applications - Electronic equipment used on rolling stock EN 60529:1991 + A1:2000 + A2:2013 Degrees of protection provided by enclosures (IP Code) (IEC 60529:1989 + A1:1999 + A2:2013) EN 60721-3-5:1997, Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 5: Ground vehicle installations (IEC 60721-3-5:1997) EN 61373:2010, Railway applications - Rolling stock equipment - Shock and vibration tests (IEC 61373:2010) EN ISO 228-2, Pipe threads where pressure-tight joints are not made on the threads - Part 2: Verification by means of limit gauges (ISO 228-2) EN ISO 9227, Corrosion tests in artificial atmospheres - Salt spray tests (ISO 9227) ISO 5208, Industrial valves — Pressure testing of metallic valves ISO 8573-1:2010, Compressed air — Part 1: Contaminants and purity classes 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 14478 and the following apply. SIST EN 15220:2016

EN 15220:2016 (E) 6 3.1 brake indicator apparatus for visual indication of the brake status of a vehicle by means of a red indication (brake applied) with black line or black dot, and the release status by means of a green indication that can be driven by electrical or pneumatic energy Note 1 to entry: Pneumatically applied brake indicator can be equipped with electric switches for remote indication 3.2 single brake indicator and single parking brake indicator device indicating the application or release status of a single brake system, normally either air brake or parking brake system, with or without electrical switches for remote indication Note 1 to entry: Examples for single brake indicators are contained in Figure A.1, Figure A.2 and Figure A.4. 3.3 double brake indicator and double parking brake indicator device indicating the application or release status of two brake systems (normally either air brake or parking brake system) or of two different entities of the same brake system (two different axles), with or without electrical switches for remote indication Note 1 to entry: Examples for double brake indicator and double parking brake indicator are contained in Figure A.3 and Figure A.5. 3.4 multiple brake indicators device indicating the application or release status of more than two brake systems or of more than two different entities of the same brake system (more than two different axles), with or without electrical switches for remote indication 3.5 uncertain status of the parking brake parking brake indication becoming uncertain in case of isolated parking brake with possibility of manual release or lack of air pressure in the brake control system Note 1 to entry: This status does not need for remote indication. 3.6 application status of the air brake condition which indicates that the brake is applied or not completely released in which the brake indicator air pressure exceeds its set value 3.7 application status of the parking brake condition of pressure reflecting that the brake is applied or not completely released in which the brake indicator air pressure is below its set value Note 1 to entry: This applies to both: stored energy systems requiring release by air pressure and mechanical systems sensing pneumatically. SIST EN 15220:2016

EN 15220:2016 (E) 7 3.8 release status of the air brake condition which indicates that the brake is released and the pressure in the brake indicator is below its set value 3.9 release status of the parking brake condition of pressure reflecting that the brake is not applied in which the brake indicator air pressure exceeds its set value Note 1 to entry: This applies to both: stored energy systems requiring release by air pressure and mechanical systems sensing pneumatically. 3.10 connector component, to which wire may be connected, for the transmission of the electric signal 3.11 temperature range range of the temperature within which the apparatus shall be able to operate in accordance with the requirements of this European Standard 3.12 leakage leakage of the compressed air from the brake indicator to the atmosphere 3.13 life expectancy service life declared working period during which a component or system will maintain a specified level of performance under specified conditions 3.14 RAL colour standardisation system of the German Institute for Quality Assurance and Certification e.V 4 Symbols and abbreviations Un

nominal voltage UV
ultraviolet (UV irradiation) “
inch IP

International Protection Marking as defined in EN 60529. NOTE IP is a coding system to indicate the degrees of protection provided by an enclosure against access to hazardous particles, ingress of solid foreign objects, ingress of water and to give additional information in connection with such protection. SIST EN 15220:2016

EN 15220:2016 (E) 8 5 Requirements 5.1 Design and manufacturing The design and manufacture of the brake indicator shall be conform to the requirements of 5.2, 5.3 and 5.4 for all intended operating conditions. 5.2 Operating conditions 5.2.1 General conditions 5.2.1.1 General To withstand the external ingress of dust and water as specified in EN 60529:1991 + A1:2000 + A2:2013, (code IP 55, IP 65 for electrical indicators), the brake indicator shall be tested in accordance with 6.3.4. To withstand the external corrosion due to normal atmospheric pollutants as specified in EN 50125-1, the brake indicator shall be tested in accordance with 6.3.12. The device shall meet with the requirements included in EN 61373:2010, Category 1, Class B, body mounted or Category 2, bogie mounted, at an ambient temperature of (20 ± 5) °C. This is to be tested in accordance with 6.3.9. The brake indicator shall be able to withstand shocks and shall be tested in accordance with 6.3.10. 5.2.1.2 Ambient temperature Brake component shall be able to operate within the temperature class TX as specified by EN 50125-1, where the upper limit for TX is +70 °C external air temperature. This requirement shall be tested in accordance with 6.3 for pneumatic indicators and 6.4 for electrical indicators. 5.2.1.3 Humidity The following external humidity levels shall be considered: — yearly average:

¶ 75 % relative humidity; — on 30 days in the year continuously: between 75 % and 95 % relative humidity; — on the other days occasionally: between 95 % and 100 % relative humidity; — maximum absolute humidity: 30 g/m3 occurring in tunnels. 5.2.1.4 Rain Rain rate of 6 mm/min shall be taken into account. The effect of rain shall be considered depending on the possible equipment installation together with wind and vehicle movement. 5.2.1.5 Snow, ice and hail Consideration shall be given to the effect of all kinds of snow, ice and hail. The maximum diameter of hailstones shall be taken as 15 mm, larger diameter can occur exceptionally. The effect of snow, ice and hail shall be considered depending on the equipment installation together with wind and vehicle movement. SIST EN 15220:2016

EN 15220:2016 (E) 9 5.2.1.6 Solar radiation Equipment design shall allow for direct exposure to solar radiation at the rate of 1 120 W/m2 for a maximum duration of 8 h. 5.2.1.7 Resistance to pollution The effects of pollution shall be considered in the design of equipment and components. Means may be provided to reduce pollution by the effective use of protection of the device. The severity of pollution can depend upon the location of the equipment therefore the effects of the kinds of pollution indicated in Table 1 shall be considered as a minimum. Table 1 — Pollution Pollution Class to be considered Chemically active substances Class 5C2 of EN 60721–3–5:1997 Contaminating fluids Class 5F2 (electrical engine) of EN 60721–3–5:1997 Class 5F3 (thermal engine) of EN 60721–3–5:1997 Biologically active substances Class 5B2 of EN 60721–3–5:1997 Dust Class 5S2 of EN 60721–3–5:1997 Stones and other objects Ballast and other objects of maximum 15 mm diameter Sand Class 5S2 of EN 60721–3–5:1997 Sea spray Class 5C2 of EN 60721–3–5:1997 5.2.2 Specific requirements for pneumatic brake indicators To respect the upper pressure limit of the compressed air supply of 10 bar, it shall be able to withstand a hydraulic test with a pressure of 15 bar in accordance with 6.3.3. It shall be possible to operate the pneumatic brake indicators without restrictions with at least the compressed air quality in accordance with the following classes defined by ISO 8573-1:2010: — Class 3 – for the maximum particle size and the maximum concentration of solid contaminants; — Class 4 – for the water dew point; — Class 4 – for the maximum total (droplets, aerosols and vapours) oil concentration. This requirement is verified when tests are carried out in accordance with 6.3.7.1. When the voltage supply is at upper and lower limit it shall be able to withstand the temperature range in accordance with 6.3.8. 5.2.3 Specific requirements for electrical brake indicators The electrical brake indicators shall be in conformity with the requirements of EN 50155 and EN 50121-3-2. SIST EN 15220:2016

EN 15220:2016 (E) 10 5.3 Functional characteristics 5.3.1 Application/release status (pneumatic brake indicator) The operating conditions of the application/release flag and its change in status is defined and shall be tested in accordance with 6.3.8. 5.3.2 Lubrication (pneumatic brake indicator) It shall be possible to operate the brake indicator at all pressures without additional lubrication. 5.3.3 Leakage (pneumatic brake indicator) The sealing arrangement within the brake indicator shall prevent any unacceptable loss of air. The allowable loss of air shall be less than the leakage values when tested in accordance with 6.3.7.1. 5.3.4 Electrical characteristics For pneumatic brake indicators, the electrical circuits within the brake indicator shall withstand an insulation test of at least 500 V DC and a dielectric test (flash test) in accordance with EN 50155. This requirement shall be tested in accordance with 6.3.5 and 6.3.6. For electrical brake indicators the requirements of EN 50155 and EN 50121-3-2 apply. 5.4 Design requirements 5.4.1 External appearance The external surfaces of the brake indicator shall be free of sharp edges which could be a danger to those persons handling the brake indicator or to other equipment in the proximity of the brake indicator. This requirement shall be checked while testing the other constructional features in accordance with 6.3.2. 5.4.2 Fire/smoke behaviour Brake indicators shall comply with requirements defined in EN 45545-2. 5.4.3 Connections 5.4.3.1 Pneumatic connections The body of the brake indicator shall have an internal G 1/4” thread for connection(s) in accordance with EN ISO 228-2 to the brake cylinder pipe(s). This requirement shall be checked while testing the other constructional features in accordance with 6.3.2. 5.4.3.2 Electric connections The body of the brake indicator shall have either internal thread in accordance with EN 60423 for cable gland mounting or a suitable interface for an electrical connector. 5.4.4 Electric contacts and operating voltage (pneumatic brake indicator) The contacts shall have “snap action operation” and be capable of operating within voltage limits of 0,7 Un and 1,25 Un. NOTE Contact characteristics (voltage, current, protection etc.) and cabling will be declared by the supplier. SIST EN 15220:2016

EN 15220:2016 (E) 11 5.4.5 Space envelope (pneumatic brake indicator) The pneumatic brake indicator should be contained in the space envelope as given in Annex A. Sizes shall be checked in accordance with 6.3.2. 5.4.6 Indicator window The brake indicator shall have a window not less than 2 000 mm2 for viewing: — red flag: in the middle this flag shall have a black line 10 mm width or a black dot 15 mm diameter; — green flag. White flag with black cross may be displayed to indicate uncertain braking status of a parking brake.

For pneumatic brake indicators, the following colours shall be used: — red colour in accordance with RAL 2002, RAL 3020; — green colour in accordance with RAL 6018; — black colour in accordance with RAL 9005 or RAL 9017; — white colour in accordance with RAL 9002, RAL 9003, RAL 9010, RAL 9016. The colours shall remain recognizable during the overhaul period or lifetime of the indicator and shall be resistant to fading due to exposure to UV or bright sunlight. 5.4.7 Brake indicator weight The weight should not exceed 2 kg for the single brake indicator and 4 kg for the double brake indicator. 6 Type test methods 6.1 Sampling for type test A sample of eight brake indicators produced under the condition of line-production shall be tested. 6.2 Test requirements All the type tests shall be performed at (20 ± 5) °C. Only the tests marked with an a) shall be performed additionally at a wider temperature range in accordance with the requirements of 6.3.7 and 6.3.8. For pneumatic brake indicators compressed air equivalent to class 3-4-4 specified in ISO 8573-1:2010 has to be used. 6.3 Test procedure for pneumatic indicators 6.3.1 Principle Acceptance of the brake indicator requires that it shall pass all the designated type tests. The tests shall be carried out in the order shown in Table 2. This table is designed to avoid unnecessary test repetitions. SIST EN 15220:2016

EN 15220:2016 (E) 12 Table 2 — Operations to be carried out for conformity assessment Tests Corresponding standard subclause Tested brake indicator number 1 2 3 4 5 6 7 8 Physical and geometrical characteristics 6.3.2 X X X X X X

X Leakage
6.3.7 X a X X X X
X Application/release status control 6.3.8 X a X X X X
Insulation voltage b 6.3.5 X
Dielectric strength b 6.3.6 X
IP 55 protection test 6.3.4
X Hydraulic test (water pressure)
6.3.3
Vibration 6.3.9
Resistance to shock 6.3.10
Corrosion 6.3.12
Fire/Smoke behaviour 6.3.13
Endurance 6.3.11
X Examination 6.3.14
X X X X X

X a Tests shall be performed at + 20 °C and at wider temperature ranges in accordance with the requirements of 6.3.7 and 6.3.8. b Tests shall be performed with pneumatic indicators with switches. 6.3.2 Check of physical and geometrical characteristics 6.3.2.1 Procedure The requirements of 5.4.1, 5.4.4, 5.4.5, 5.4.6 and 5.4.7 shall be checked using appropriate measuring instruments. The threaded parts shall be checked by GO/NO GO gauges. 6.3.2.2 Pass/fail criteria The result shall be deemed satisfactorily if all the specified characteristics are met. 6.3.3 Hydraulic test (water pressure) at given pressure 6.3.3.1 Procedure The test procedure shall comply with ISO 5208 using a regulated pressure increase at a rate of 10 bar/min up to value of (−00,115) bar. Regulate pressure increase at a rate of 10 bar/min up to value of (−00,115) bar. 6.3.3.2 Pass/fail criteria The result is satisfactory if, after the hydraulic test: SIST EN 15220:2016

EN 15220:2016 (E) 13 no breaking and no deformation have occurred all the specified characteristics defined in 6.3.7 and 6.3.8 are met (to be tested at 20 (±5)°C only). 6.3.4 Protection against ingress of dust and water 6.3.4.1 General The following tests refer to class IP 55 in accordance with EN 60529:1991 + A1:2000 + A2:2013, . In case of higher protection requirements the tests shall be carried out in accordance with them. 6.3.4.2 Dust test

6.3.4.2.1 Procedure The test shall b
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