EN 6109:2018

Aerospace series - Static seal elements elastomer, moulded, phosphate ester resistant - Technical specification

This European Standard defines the requirements for moulded elastomer seal elements for use in hydraulic systems using phosphate ester fluids for aerospace application. It shall be applied in conjunction with relevant material standards unless otherwise specified on the drawing, order, inspection schedule or contractual document.

Luft- und Raumfahrt - Statische Dichtungen Elastomer, geformt, beständig gegen Phosphorsäureester - Technische Lieferbedingungen

In dieser Europäischen Norm sind die Anforderungen an geformte Elastomer Dichtungen für die Anwendung in der Luft  und Raumfahrt festgelegt, die in Hydrauliksystemen mit Phosphorsäureesterflüssig¬keiten angewendet werden. Sie ist in Verbindung mit den relevanten Werkstoffnormen anzuwenden, sofern in der Zeichnung, Bestellung, Prüfanweisung oder den Vertragsunterlagen nichts anderes angegeben ist.

Série aérospatiale - Joint d'étanchéité statique élastomère, moulé, résistant à l'ester phosphorique - Spécification technique

La présente Norme européenne définit les exigences pour les joints d'étanchéité élastomères moulés destinés à être utilisés dans les systèmes hydrauliques utilisant des fluides d’ester phosphorique pour application aérospatiale. Elle doit être appliquée conjointement avec les normes de matériaux pertinentes, sauf spécification contraire sur le dessin technique, la commande, le calendrier d’inspection ou un document contractuel.

Aeronavtika - Statični elastomerni tesnilni elementi, brizgani, odporni proti fosfatnemu estru - Tehnična specifikacija

Ta evropski standard določa zahteve za brizgane elastomerne tesnilne elemente za uporabo v hidravličnih sistemih, ki so odporni proti fosfatnim estrom in se uporabljajo v aeronavtiki. Uporablja se v povezavi z ustreznimi standardi za materiale, razen če je na risbi, v naročilu, v razporedu pregledov ali v pogodbenem dokumentu navedeno drugače.

General Information

• Status: Published
• Publication Date: 07-Aug-2018
• Withdrawal Date: 27-Feb-2019
• ICS: 49.080 - Aerospace fluid systems and components
• Technical Committee: ASD-STAN - Aerospace
• Drafting Committee: ASD-STAN/D 3 - Mechanical
• Current Stage: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 08-Aug-2018
• Completion Date: 08-Aug-2018
• Ref Project: SIST EN 6109:2018 - Aerospace series - Static seal elements elastomer, moulded, phosphate ester resistant - Technical specification

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 6109:2018
01-november-2018
$HURQDYWLND6WDWLþQLHODVWRPHUQLWHVQLOQLHOHPHQWLEUL]JDQLRGSRUQLSURWL
IRVIDWQHPXHVWUX7HKQLþQDVSHFLILNDFLMD

Aerospace series - Static seal elements elastomer, moulded, phosphate ester resistant -

Technical specification
Luft- und Raumfahrt - Statische Dichtungen Elastomer, geformt, beständig gegen
Phosphorsäureester - Technische Lieferbedingungen

Série aérospatiale - Joint d'étanchéité statique élastomère, moulé, résistant à l'ester

phosphorique - Spécification technique
Ta slovenski standard je istoveten z: EN 6109:2018
ICS:
49.080 /HWDOVNLLQYHVROMVNL Aerospace fluid systems and
KLGUDYOLþQLVLVWHPLLQGHOL components
SIST EN 6109:2018 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 6109:2018
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SIST EN 6109:2018
EN 6109
EUROPEAN STANDARD
NORME EUROPÉENNE
August 2018
EUROPÄISCHE NORM
ICS 49.080
English Version
Aerospace series - Static seal elements elastomer,
moulded, phosphate ester resistant - Technical
specification

Série aérospatiale - Joint d'étanchéité statique Luft- und Raumfahrt - Statische Dichtungen Elastomer,

élastomère, moulé, résistant à l'ester phosphorique - geformt, beständig gegen Phosphorsäureester -

Spécification technique Technische Lieferbedingungen
This European Standard was approved by CEN on 19 February 2018.

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, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2018 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 6109:2018 E

worldwide for CEN national Members.
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SIST EN 6109:2018
EN 6109:2018 (E)
Contents
Page

European foreword ....................................................................................................................................................... 3

1 Scope .................................................................................................................................................................... 4

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

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

4 Requirements ................................................................................................................................................... 7

5 Quality assurance ............................................................................................................................................ 8

6 Preparation for delivery ............................................................................................................................ 13

7 Storage and storage life ............................................................................................................................. 13

(informative) Standard evolution form .......................................................................................... 16

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SIST EN 6109:2018
EN 6109:2018 (E)
European foreword

This document (EN 6109:2018) has been prepared by the Aerospace and Defence Industries

Association of Europe - Standardization (ASD-STAN).

After enquiries and votes carried out in accordance with the rules of this Association, this Standard has

received the approval of the National Associations and the Official Services of the member countries of

ASD, prior to its presentation to CEN.

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 2019, and conflicting national standards

shall be withdrawn at the latest by February 2019.

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.

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,

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, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and the United Kingdom.
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SIST EN 6109:2018
EN 6109:2018 (E)
1 Scope

This European Standard defines the requirements for moulded elastomer seal elements for use in

hydraulic systems using phosphate ester fluids for aerospace application. It shall be applied in

conjunction with relevant material standards unless otherwise specified on the drawing, order,

inspection schedule or contractual document.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements 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 2751, Aerospace series — Storage conditions for rubber products — Requirements for storage,

cleaning and maintenance

EN 3445, Aerospace series — Guidelines for the permissible storage life of rubber products

EN 6075, Aerospace series — Static seal elements O-Ring ethylene-propylene, moulded, phosphate ester

resistant (−55 °C to 107 °C) — Inch series

EN 6076, Aerospace series — Static seal elements O-Ring straight thread tube fitting boss, ethylene-

propylene, moulded, phosphate ester resistant (−55 °C to 107 °C) — Inch series

EN 6102, Aerospace series — Fluid — Hydraulic — Phosphate ester-base — Fire resistant — Technical

specification
EN 9102, Aerospace series — Quality systems — First article inspection

EN 9133, Aerospace series — Quality management systems — Qualification procedure for aerospace

standard parts
EN 10204, Metallic products — Types of inspection documents

ISO 48, Rubber, vulcanized or thermoplastic — Determination of hardness (hardness between 10 IRHD

and 100 IRHD)

ISO 188, Rubber, vulcanized or thermoplastic — Accelerated ageing and heat resistance tests

ISO 1817, Rubber, vulcanized or thermoplastic — Determination of the effect of liquids

ISO 2781, Rubber, vulcanized or thermoplastic — Determination of density

ISO 2859-1, Sampling procedures for inspection by attributes — Part 1: Sampling schemes indexed by

acceptance quality limit (AQL) for lot-by-lot inspection
ISO 3601-3, Fluid power systems — O-rings — Part 3: Quality acceptance criteria

ISO 23529, Rubber — General procedures for preparing and conditioning test pieces for physical test

methods
1) In preparation at the date of publication of this European Standard.
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SIST EN 6109:2018
EN 6109:2018 (E)
ASTM D 1414, Standard test methods for rubber O-rings

ASTM D 3677, Standard test methods for rubber — Identification by infrared spectrophotometry

ASTM E 1131, Standard test method for compositional analysis by thermogravimetry
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
acceptance testing

testing performed by the manufacturer to demonstrate that the product supplied is of the same type,

form and quality as that supplied for qualification testing
3.2
batch of rubber compound

batch consisting of one or more rubber compounds of the same clearly specified composition, produced

in one single production run with full trace ability
3.3
capability clause

certain requirements may be assured by the manufacturer on the basis of sufficient statistical test

results, i.e. special testing of the respective characteristic per batch is not mandatory

3.4
First Article Inspection
FAI

first article inspection is used to demonstrate that all definitions are suitable for series production and

ensure that the product complies with the drawings, standards and/or specifications

3.5
Individual Product Specification
IPS

individual information about a certain product of one manufacturer and its specific performance

3.6
Material Standard

List of all requirements/data limits for qualification testing and in general for acceptance testing

3.7
manufacturer
company or organization manufacturing products
3.8
production batch

batch consisting, for the purpose of the present standard, of elastomeric products originating from the

same batch of rubber compound and vulcanized under the same operating conditions at one time by the

manufacturer

2) Published by: ASTM National (US) American Society for Testing and Materials. http://www.astm.org/

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EN 6109:2018 (E)
3.9
purchaser

body which purchases the product from a manufacturer or a supplier in accordance with the

requirements of the user
Note 1 to entry: The purchaser may also be the user.
3.10
qualification

process of demonstrating that the manufacturer and the product supplied are capable of fulfilling the

specified requirements as laid down in the technical specification (TS) and the relevant MS

Note 1 to entry: The proof is given by the qualification testing.
3.11
qualification testing

testing of representative samples manufactured in accordance with the series production requirements,

manufactured with specified raw materials and a frozen process, to demonstrate compliance of the

product with the requirements of the TS and the relevant MS
Note 1 to entry: These results are used to establish the IPS.
3.12
mandated body
body who officially handle the qualification with the manufacturer
3.13
rubber compound

homogenous mix of all the constituents of a rubber formulation, e.g. rubber gumstock, curing agents,

accelerators, fillers
3.14
standard parts
all detail parts as defined by a product standard
3.15
supplier
company or organization supplying products (e.g. stockist)
Note 1 to entry: The supplier may also be the manufacturer.
3.16
Technical Specification

list of all requirements for qualification and acceptance testing including test frequency and test

methods, marking, packing and shipping
3.17
user

body which procures products used to manufacture aircraft components under relevant contractual

responsibilities
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EN 6109:2018 (E)
4 Requirements
4.1 General requirements
4.1.1 Manufacturing schedule

The product shall be manufactured to reproducible quality and shall fulfill the requirements of the

relevant MS, IPS and this TS. The manufacturer shall define the raw materials processes and inspections

in a manufacturing schedule and present this to the mandated body/user upon request on occasion of

qualification or audit. The mandated body/user shall treat any information contained in the schedule as

confidential. Changes of the manufacturing schedule which may adversely affect the quality of the

product must be stated by the manufacturer and shall be subject to written approval of the mandated

body before first delivery. If necessary mandated body may define a re-qualification program prior to

approval. The acceptance test certificate for the first delivery made after the approved changed

manufacturing schedule shall contain a reference to the change.
4.1.2 Trace ability

Each individual product shall be traceable to the pre-materials at all stages of manufacture and delivery.

4.1.3 Freedom of defects

All products shall be free from irregularities not complying with the requirements of the MS, IPS and

4.2.2.6. Further irregularities prejudicial to the subsequent manufacture or use of products shall be the

subject of further investigations with the manufacturer.
4.1.4 Workmanship

The product specified herein shall be processed as required in order to obtain the specified quality.

Any defects attributed to bad workmanship shall be cause for rejection of the specific delivery.

4.1.5 Hazardous constituents

For qualification the product has to fulfill the requirements, defined in the relevant MS.

For release the product has to fulfill the local requirements of the current health and

safety/environmental protection laws of the countries of the purchaser/purchasers.

4.2 Technical requirements
4.2.1 Material
The product shall fulfill the requirements of the relevant MS/or IPS.
4.2.2 Specific
4.2.2.1 Test specimens
For the minimum number of test specimens, see Table 1 and Table 2.

Test specimens for qualification shall be O-Rings according to EN 6075 or EN 6076.

If not specified otherwise in the Table 1, the cross section of the test specimen shall be between

2,62 mm and 3,53 mm (0.103 inch to 0.139 inch) with an optional diameter.
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EN 6109:2018 (E)

For acceptance testing of O-Rings and other seal elements the original parts shall be tested.

4.2.2.2 Conditioning and testing

The conditioning and testing of the test specimens shall comply with ISO 23529 at (23 ± 2) °C

[(72 ± 3.6) °F] and with ambient relative humidity.
The time interval between vulcanization and testing shall comply with ISO 23529.
4.2.2.3 Phosphate ester test fluids

For qualification testing, all phosphate ester hydraulic fluids that meet EN 6102 shall be taken.

4.2.2.4 Dimensions, tolerances and mass

The dimensions, tolerances and mass shall comply with the requirements of the product standards.

4.2.2.5 Marking of parts
Each seal element shall be marked with two (2) white stripes.
4.2.2.6 Surface condition
4.2.2.6.1 Trimming

Mold flash shall be removed from the elastomer parts in such a manner that they conform to the

requirements specified herein and on ap
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