Thermoplastic tubing and hoses for automotive use

Tubes et tuyaux en thermoplastique pour l'industrie automobile

General Information

Status
Replaced
Publication Date
02-Feb-2000
Withdrawal Date
02-Feb-2000
Current Stage
6060 - International Standard published
Start Date
23-Dec-1999
Completion Date
03-Feb-2000
Ref Project

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ISO 13775-2:2000 - Thermoplastic tubing and hoses for automotive use
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INTERNATIONAL ISO
STANDARD 13775-2
First edition
2000-02-01
Thermoplastic tubing and hoses for
automotive use —
Part 2:
Petroleum-based-fuel applications
Tubes et tuyaux en thermoplastique pour l'industrie automobile —
Partie 2: Applications pour carburants à base de pétrole
Reference number
ISO 13775-2:2000(E)
ISO 2000
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ISO 13775-2:2000(E)
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© ISO 2000

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ii © ISO 2000 – All rights reserved
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ISO 13775-2:2000(E)
Contents Page

Foreword.....................................................................................................................................................................iv

Introduction.................................................................................................................................................................v

1 Scope ..............................................................................................................................................................1

2 Normative references ....................................................................................................................................1

3 Classification and materials .........................................................................................................................2

4 Dimensions.....................................................................................................................................................2

5 Requirements for approval of products ......................................................................................................3

6 Marking ...........................................................................................................................................................5

Annex A (informative) Example of how a non-standard type of tubing or hose could be specified using

a matrix ...........................................................................................................................................................6

Annex B (normative) Method for determining the resistance to surface-contaminating fluids .........................7

Annex C (normative) Method of test for flame resistance ......................................................................................8

© ISO 2000 – All rights reserved iii
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ISO 13775-2:2000(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO

member bodies). The work of preparing International Standards is normally carried out through ISO technical

committees. Each member body interested in a subject for which a technical committee has been established has

the right to be represented on that committee. International organizations, governmental and non-governmental, in

liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical

Commission (IEC) on all matters of electrotechnical standardization.

International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3.

Draft International Standards adopted by the technical committees are circulated to the member bodies for voting.

Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote.

Attention is drawn to the possibility that some of the elements of this part of ISO 13775 may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights.

International Standard ISO 13775-2 was prepared by Technical Committee ISO/TC 45, Rubber and rubber

products, Subcommittee SC 1, Hoses (rubber and plastics).

ISO 13775 consists of the following parts, under the general title Thermoplastic tubing and hoses for automotive

use:
Part 1: Non-fuel applications
Part 2: Petroleum-based-fuel applications
Annexes A, B and C of this part of ISO 13775 are for information only.
iv © ISO 2000 – All rights reserved
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ISO 13775-2:2000(E)
Introduction

This specification defines the requirements of extruded thermoplastic tubing/hoses for petroleum-based-fuel

applications for automotive use. In addition, it may also be applied as a classification system to enable original

equipment manufacturers (OEMs) to detail a “line call-out” of tests for specific applications where these are not

covered by the six main types (see example in annex A). In this case, the tubing or hose would not carry any

marking showing this ISO specification number, but may detail the OEM’s own identification markings as shown on

their part drawings.
© ISO 2000 – All rights reserved v
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INTERNATIONAL STANDARD ISO 13775-2:2000(E)
Thermoplastic tubing and hoses for automotive use —
Part 2:
Petroleum-based-fuel applications

WARNING — Persons using this part of ISO 13775 should be familiar with normal laboratory practice. This

part of ISO 13775 does not purport to address all of the safety problems, if any, associated with its use. It is

the responsibility of the user to establish appropriate safety and health practices and to ensure compliance

with any national regulatory conditions.
1 Scope

This part of ISO 13775 specifies test requirements and test methods for extruded thermoplastic tubing and hoses

for use in petroleum-based-fuel lines in vehicles powered by internal-combustion engines. This specification is

intended especially for use by original equipment manufacturers (OEMs).
2 Normative references

The following normative documents contain provisions which, through reference in this text, constitute provisions of

this part of ISO 13775. For dated references, subsequent amendments to, or revisions of, any of these publications

do not apply. However, parties to agreements based on this part of ISO 13775 are encouraged to investigate the

possibility of applying the most recent editions of the normative documents indicated below. For undated

references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain

registers of currently valid International Standards.

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

ISO 1402, Rubber and plastics hoses and hose assemblies — Hydrostatic testing.
ISO 1746, Rubber or plastics hoses and tubing — Bending tests.
ISO 1817, Rubber, vulcanized — Determination of the effect of liquids.

ISO 4639-3:1995, Rubber tubing and hoses for fuel circuits for international-combustion engines — Specification —

Part 3: Oxidized fuels.
ISO 4925, Road vehicles — Non-petroleum base brake fluid.

ISO 7628-2:1998, Road vehicles — Thermoplastics tubing for use in air braking systems — Part 2: Mounting on

vehicle and test methods.

ISO 8031, Rubber and plastic hoses and hose assemblies — Determination of electrical resistance.

ISO 8033, Rubber and plastics hose — Determination of adhesion between components.

ISO 8308, Rubber and plastics hoses and tubing — Determination of transmission of liquids through hose and

tubing walls.
© ISO 2000 – All rights reserved 1
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ISO 13775-2:2000(E)

ISO 11758, Rubber and plastics hoses — Exposure to a xenon arc lamp — Determination of changes in colour and

appearance.
3 Classification and materials

The product shall consist of an extruded thermoplastic material with or without an integral reinforcement. The

product may also have an inner veneer to impart improved fluid resistance and/or reduced fuel vapour permeability.

It may also have an extruded outer cover to improve environmental resistance and/or flame resistance. The outer

cover is not necessarily bonded to the tubing or hose.
Six types of tubing and hose for specific applications are specified as follows:

Type 1: feed and return lines from the fuel tank to the engine compartment — gasoline engines;

Type 2: feed and return lines from the fuel tank to the engine compartment — diesel engines;

Type 3: feed and return lines in the engine compartment — moderate-temperature (100 �C) environment —

gasoline engines;

Type 4: feed and return lines in the engine compartment — high-temperature (125 �C) environment —

gasoline engines;
Type 5: feed lines in the engine compartment — diesel engines;
Type 6: multi-layer tubing or hoses for vapour lines.
4 Dimensions
Bore diameters and wall thicknesses shall be as given in Table 1.

The wall thickness shall be the sum of the individual thicknesses of the various elements in the construction of the

tubing or hose. The thickness of each individual element shall be such that it is able to carry out its own function

and the total function of the tubing or hose.
Table 1 — Nominal bores, internal diameters and wall thicknesses
Nominal bore Internal diameter Wall thickness (min.)
mm mm
2 2 � 0,1 0,9
4 4 � 0,1 0,9
6 6 � 0,1 0,9
6 6 � 0,1 1
...

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