Tiêu chuẩn iso 15500 1 2015

© ISO 2015 Road vehicles — Compressed natural gas (CNG) fuel system components — Part 1 General requirements and definitions Véhicules routiers — Composants des systèmes de combustible gaz naturel com[.]

Road vehicles — Compressed natural

Part 1:

Vé icule s ro tiers — Comp sant de s système s de comb stible g z

n ture l comprimé (G NC) —

Partie 1: Exigenc s g n rale s et définitions

S con edition

2 1 -1 -0

i © ISO 201 – A ll rights reserved

© ISO 201 , P blshed in Sw itz rlan

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the r eq eser

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Interntio l Org izatio for Sta ar dizatio

F reword i v

1 Sc ope 1

2 Nor mati ve r eferenc es 1

3 Terms and definitions 2

4 Co str uctio and as embl y 4

5 Electrical equipment and w ir ing 5

6 Instructio s 5

7 Mar king 5

Biblog raphy 7

ISO (he Int ernational Org nization for Stan ardization) is a worldwidefede ation of national s an ards

b dies (ISO membe b dies) The work of pr p ring Int ernational Stan ards is normaly car ied out

through ISO t ech ical committ ees Each membe b dy int er st ed in a subje t for w hich a t ech ical

committ ee has be n es a lshed has the right t o be r pr sent ed on that committ ee Int ernational

org nizations, g ove nmental an non-g ove nmental, in laison with ISO, also take part in the work

ISO cola orat es closely with the Int ernational Ele trot ech ical C mmis ion (IEC) on al matt ers of

ele trot ech ical s an ardization

The proc d r s used t o develo this document an those int en ed for it furthe maint enanc ar

desc ibed in the ISO/IEC Dir ctives, Part 1 In p rticular the dife ent a pro al c it eria ne ded for the

dife ent ty es of ISO document should be not ed This document was draft ed in ac ordanc with the

edit orial rules of the ISO/IEC Dir ctives, Part 2 ( e www.iso.org dir ctives)

A tt ention is drawn t o the p s ibi ity that some of the element of this document ma be the subje t of

p t ent right ISO shal not be held r sponsible for identifying any or al such p t ent right Detais of

any p t ent right identified d ring the develo ment of the document wi be in the Introd ction an / r

on the ISO ls of p t ent de larations r c ived ( e www.iso.org p t ent )

Any trade name used in this document is information given for the convenienc of use s an does not

cons itut e an en orsement

F or an ex lanation on the meaning of ISO spe ific t erms an ex r s ions r lat ed t o conformity

as es ment, as wel as information a out ISO’ s adhe enc t o the WTO principles in the Te h ical

Bar ie s t o Trade (TBT) se the fol owing URL: F or word - Sup lementary information

The committ ee r sp nsible for this document isISO/TC 2 , Ro d vehicles , Subcommitt ee SC 41, S ec ific  

as pec ts fr g s eo s f el s

This se on edition canc ls an r plac s the f irs edition (ISO 1 5 0-1:2 0 ), w hich has be n

t ech icaly r vised

It also incorporat esthe Amen ment ISO 1 5 0-1:2 00/AMD 1:2 0

ISO 1 5 0 consis s of the folowing part , u de the g ene al title Ro d vehicles — Compr s s ed n tural

g s (CNG) f el sys tem c omp nent :

— Part 1: G ene al r q ir ments a d de initio s

— Part 2 : Pe frma c e a d gene al tes t meth ds

— Part 3 : Check v lve

— Part 4 : Ma u l v lve

— Part 5: Ma u l cylnde v lve

— Part 6 : Automatic v lve

— Part 7: G as injec tor

— Part 8: Pres s ur indic ator

— Part 9: Pres s ur r g lator

— Part 10: G as-flow adjus te

— Part 1 : G as/air mixe

— Part 12 : Pres s ur r lefv lve (PRV)

Interntio l Org izatio for Sta ar dizatio

— Part 13 : Pres s ur r lefdev ic e (PRD)

— Part 14 : Exc es s flow v lve

— Part 15: G as-tig t h us in a d ventiatio h s e

— Part 16 : Rigid f el lne in s tainles s s te l

— Part 17: Flex ible f el lne

— Part 18: Fite

— Part 19: Fittin s

— Part 2 : Rigid f el lne in mate ial othe th n s tainles s s te l

Road vehicles — Compressed natural gas (CNG) fuel

Part 1:

This part of ISO 1 5 0 spe if ies g ene al r q ir ment an definitions of compr s ed natural g s fuel

sy st em comp nent , int en ed for use on the ty es of mot or vehicles as defined in ISO 3 3 It also

pro idesg ene al design principles, an spe ifies r q ir ment for ins ructionsan marking

This p rt of ISO 1 5 0 is a plca le t o vehicles (mono-fuel, bi-fuel, or d al-fuel a pl cations) using

natural g s in ac ordanc with ISO 1 40 -1 It is not a plca le t o the folowing:

a) lq efied natural g s (LNG) fuel system com ponent located ups r am of, an inclu ing, the v a poriz r;

b) fuel containe s;

c) s ationary g s engines;

d) containe mou ting hardwar ;

e) ele tronic fuel manag ement ;

f) r fuel ng r c ptacles

NOTE 1 It is reco nized that mis el ane us components not specif ical y covered herein can b e amined to

me t he c iteria of this part of ISO 1 5 0 an tested ac ording t o the ap ropriate fu ctional tests

NOTE 2 Al references to pres ure in this part of ISO 1 5 0 are to b considered g ug pres ures u les

otherwise specif ied

NOT 3 T is part of ISO 1 5 0 is b sed u on a service pres ure for natural g s as fuel of 2 MPa [2 0 b r

)

set led at 1 °C Other service pres ures can b ac ommodat ed by adjusting the pres ure by the ap ropriat e fact or

(ratio) F or e ample, a 2 MPa (2 0b r)service pres ure sy st em wil req ire pres ures t o b multiplied by 1,2

2 Normati ve r eferences

The folowing document , in w hole or in p rt, ar normatively r fe enc d in this document an ar

in ispensa le for it a pl cation F or dat ed r fe enc s, only the edition cit ed a pl es F or u dat ed

r fe enc s, the lat es edition of the r fe enc d document ( inclu ing any amen ment )a pl es

ISO 6 2 -1, Ro d vehicles — 6 0 Va d 6 00 Vs in le-c or c ables — Part 1: Dimens ions, tes t meth ds a d

r q ir ments fr c op e c onduc tor c ables

ISO 6 2 - 2, Ro d vehicles — 6 0 V a d 6 00 V s in le -c or c ables — Part 2 : Dimens io s , tes t meth ds a d

r q ir ments fr aluminium c onduc tor c ables

ISO 1 5 0- 2, Ro d vehicles — Compr s sed n tural g s (CNG) f el sys tem c omp nent — Part 2 :

Pe frma c e a d gene al tes t meth ds

ISO 1 5 0-3, R oad vehicles — Compr s s ed n tural g s (CNG) f el sys tem c omp nent — Part 3 : Check v lve

ISO 1 5 1-1, R oad vehicles — Compr s s ed n tural g s (CNG) f el sys tems — Part 1: S fet y r q ir ment

3 Terms and definitions

F or the purposes of this document, the fol owing t erms and def initions a ply

3.1

v alve

devic b w hich the flow of a fluid ma be controled

3.1.1

manual v alve

v lve w hich is o e at ed man aly

3.1.2

automatic valve

v lve w hich is not o e at ed man aly

3.1.3

automatic cy linde v alve

a ut omatic v lve rigidly f ixed t o the cy lin e w hich controls the flow of g st o the fuel sy st em

3.1.4

check valve

a ut omatic v lve w hich alow s g s t o flow in only one dir ction

3.1.5

ex ces flow valve

v lve w hich aut omatical y sh t of, or lmit , the g s flow w hen theflow ex ce ds a set design v lue

3.1.6

manual cy lin er valve

man al v lve rigidly f ix ed t o the cy lin e

3.1 7

pres ure relef valve (dis harg e valve)

PRV

self-closing devic w hich o ens t o pr vent a pr -det ermined pr s ur being ex ce ded

3.1.8

service valve

man al v lve w hich is closed only w hen se vicing the vehicle

3.2

compres ed natural g s

CNG

natural g s w hich has be n compr s ed an st or d for use as a vehicle fuel

3.3

fi ter

comp nent containing a sc e n or media that is int en ed t o r mo e for ign debris from the g s s r am

3.4

fit ing

conne t or used in joining a piping, tubing, or hose sy st em

3.5

flexible fuel lne

flexible tubing or hosethrough w hich natural g s flow s

Interntio l Org izatio for Sta ar dizatio

g s/air mixer

devic for mixing the g seous fuel an intake air for the engine

3.7

g s flow adjuster

g s flow r s ricting devic , ins aled downs r am of a pr s ur r gulat or, control ng g s flow t o the

engine

3.8

g s-tight ho sing

devic w hich vent g s leakag e t o out ide the vehicle inclu ing the g s venti ation hose, the clear

o ening of w hich is at leas 45 mm

2

3 9

natural g s vehicle

NGV

ro d vehicle powe ed b natural g s

3 9.1

mo o-fuel NGV

ro d vehicle w hich o e at es on natural g s only

Note 1t o entry: It is also k own as “Dedicated Natural Gas Vehicle”

Note 2 t o entry: In E rope an in In ia, the term mono-fuel also ap lies to a light d ty NGV with ma imum

1 litre g soline tan

3 9.2

bifuel NGV

vehicle that has two indepen ent fuel sy st ems (one of them for natural g s) and can run alt ernatively

on eithe fuel, but only on one at a time

3 9.3

dualfuel NGV

vehicle that has two in epen ent fuel sy st ems (one of them for natural g s) an can ru on b th fuels

simultaneously; it also ma ru on one fuel alone

3.1

pres ure indicator

pr s uriz d devic w hich in icat es the g s pr s ur ; it can be a g ug e or a sensor

3.1

pres ure re ulator

devic used t o control the del ve y pr s ur of g seous fuel t o the engine

3.12

pres ure relef device

PRD

one-time-use devic trigg er d b ex ces ive t empe atur or t empe atur an pr s ur acting in se ies

or in p ralel w hich vent g s t o prot ect the cy linde from ruptur

3.13

rigid fuel l ne

tubing w hich has be n designed not t o flex in normal o e ation an through w hich natural g sflow s

service pres ure

set led pr s ur of 2 MPa (2 0 b r)at a uniform g s t empe atur of 1 °C

Not e 1 t o entry: Other service pres ures can b ac ommodated by adjusting the pres ure by the ap ropriat e

factor (ratio) For e ample, a 2 MPa (2 0b r) set led at 1 °C service pres ure system wil req ire pres ures to

b multiplied by 1,2

3.15

test pres ure

pr s ur t o w hich a component is taken d ring ac eptanc t es ing

3.16

wor king pres ure

ma imum pr s ur t o w hich a comp nent is designed t o be subje t ed t o an w hich is the b sis for

det ermining the s r ngth of the component u de conside ation

3.1 7

bur t pres ure

pr s ur w hich causes fai ur an conseq ential fluid los through the comp nent envelo e

3.18

g s injector

devic for introd cing g seous fuel int o the engine or as ociat ed intake sy st em

3.1 9

fuel rai

pipe or d ct that conne t the g s inje t ors

3.20

multifunctional compo ent

devic consis ing of two or mor dife ent component spe ified b this part of ISO 1 5 0, combined or

fitt ed t og ethe

4 Construction and as embl y

4.1 C mp nent shal be made of mate ials suita le for use with CNG Resis anc to galv nic corr osion

shal be taken u de consideration when joining comp nent containing dis imiar mate ials

4.2 Jointing comp nents shal provide gas-tight sealng pe formanc Wher e joint ar e r eq ir ed to be

disas embled, it is r ecommen ed that any taper ed thr ead fitting s be replac d

4.3 T r eads for component at ached to the cylnde shal be clean-cut , even, without surfac

discontin ities, to gaug e and confor m to Inte national Stan ards a pled to the CNG C lnde ne k thr ead

4.4 C mp nents shal be suitable for se vic o e one of the folowing temperatur es rang es:

E gine compartment On-b ard (ex cept engine compartment)

4.5 A ll non-metal c mate ials used in seals an dia hr ag ms shal comply with the o yg en ag eing tes

spe ified in ISO 1 50 -2

4.6 A ll non-metal c mate ials in contact with natural gas shal comply w ith the non-metal c mate ial

imme sion tes spe ified in ISO 1 50 -2

Interntio l Org izatio for Sta ar dizatio

4.7 A ll comp nent subje t to weathe ex posur e an othe corr osive conditions shal be made of

corrosion r esis ant mate ial or othe w ise pr ote ted an comply with the corrosion r esis anc tests

spe ified in ISO 1 5 0-2

4.8 It is r ecog niz d that multifu ctional comp nent ma y be made up of several comp nent Such

comp nent shal be examined for conformanc to ISO 15 0 -3 an subseq ent p rts an tes ed

ac or ding to thea pr opriate fu ctional tes s

4.9 Automatic fuel flow sh t-of v lves shal be closed when de-ener g iz d

5 Electrical equipment and wiring

5.1 A ny o ening s in ele trical wiring comp nent shal be eq ip ed with means to pr event chafing

and a r asion of the wire insulation

5.2 Ele trical eq ipment an cir cuit w iring in a comp nent shal be of automotive q alty with

r espe t to me hanical s r eng th, insulation an curr ent car ying ca acity, in ac or danc with

ISO 6 22-1 an ISO 6 2 -2

5.3 Mate ials used for ele trical cons ruction shal be suitable for their p rticular a plcation When

dete mining the ac epta i ty of an ele trical insulating mate ial, consideration shal be g iven to it

me hanical s r eng th, diele tric s r eng th, heat-r esis ant pr ope ties, the deg r ee to which it is enclosed or

pr ote ted, an any othe featur es influencing fire and ac ident hazar ds

6 Instr uctions

6.1 Clear, concise printed ins ructions an diag rams, s ated in te ms clear ly u de s an a le an

adeq ate for pr ope as embly, ins alation, maintenanc an safe o eration, shal be made a vaia le b

the manufactur er of the comp nent an comp nent p ckag e

6.2 Instructions for pe iodic maintenanc of comp nent , as r eq ir ed, shal be pr ovided Part which

r eq ir e r eplac ment shal be identified

6.3 Printed instructions shal s ate that the instalation shal be in ac or danc with the reg ulations of

the local authority, or, in the a senc of local r eg ulations, in ac or danc with ISO 1 50 -1

6.4 This information shal be in a form easiy u de s o d in the cou try of destination

The comp nent shal inclu e the folowing information as a pl ca le an r q ir d in the r lev nt p rt

of ISO 1 5 0:

a) theman factur r’ s or ag ent’ s name, trademark or symbol;

b) themodel designation (p rt n mbe );

c) theworking pr s ur (WP) an t empe atur rang e;

d) thedir ction of flow (w hen ne es ary for cor e t ins al ation);

e) thety e of fuel;

g) thesymb l of the c rtif ication ag ency;

h) thety e a pro al n mbe ;

i) these ial n mbe or dat e code;

j) a r fe enc t o ISO 1 5 0

NOTE 1 Specif ic information req ired for e ch component can b fou d in ISO 1 5 0-3an subseq ent parts

of ISO 1 5 0

NOTE 2 T is information can b provided by a suita le identif ication code on at le st one part of the component

when it consists of more than one part

Interntio l Org izatio for Sta ar dizatio

Bibl og raphy

[1] ISO 3 3 , R oad vehicles — Types — Te ms a d de initions

[2] ISO 5 448-1, G as cylnde s — 17E a d 2 5E ta e thr ads fr c on ec tio o v lves to g s cylnde s —

Part 1: S ec ific ation

[3] ISO 1 40 -1, Natural g s — Natural g s fr us e as a c ompr s s ed f el fr vehicles — Part 1:

Des ig ation o the q alt y

[4 ] ISO/TR 1 40 - 2, Natural g s - Natural g s fr us e as a c ompr s sed f el fr vehicles — Part 2 :

S ec ific ation o the q alt y

[5] ANSI/ASME B1.1:2 0 , Unified inch sc rew thr ads (UN a d UNR thr ad frm )