Tiêu chuẩn iso 12619 6 2017

© ISO 2017 Road vehicles — Compressed gaseous hydrogen (CGH2) and hydrogen/ natural gas blend fuel system components — Part 6 Automatic valve Véhicules routiers — Composants des circuits d’alimentatio[.]

Road vehicles — Compressed gaseous

Part 6:

Vé icule s ro tiers — Comp sant de s circuits d’alimentation p ur

h dro ène g zeu comprimé (CGH2) et méla ge s de g z n ture l et

h dro ène —

Partie 6 : Valve a tomatique

Fir t edition

2 17-0

Refer ence n mb r

ISO 1 61 -6:2 17(E)

COPYRIGHT PROTECTED DOCUMENT

© ISO 2017, P blshed in Sw itz rlan

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F reword i v

1 Sc ope 1

2 Nor mati ve r eferenc es 1

3 Terms an definitions 1

4 Mar king 2

5 Co str uctio and as embl y 2

6 Tests 2

6.1 A pplca i ty 2

6.2 Hydr ostatic str eng th 3

6.3 Leakag e 3

6.4 Contin ed o eration 3

6.5 Insulation r esis anc 4

6.6 Minimum o ening v ltag e 4

6.7 Pr es ur e impulse 4

Biblog raphy 6

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 v lu tary natur of s an ards, the meaning of ISO spe if ic 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

World Trade Org nization (WTO) principles in the Te hnical Bar ie s t o Trade (TBT) se the folowing

URL: www iso org iso / for word html

This document was pr p r d b ISO/TC 2 , Ro d vehicles , Subcommitt ee SC 41, S ec ific as pec ts fr

g s eo s f els

A l s of al the p rt in the ISO 1 619 se ies can be foun on the ISO websit e

Road vehicles — Compressed gaseous hydrog en

Part 6:

This document spe ifies t es s an r q ir ment for the aut omatic v lve, a compr s ed g seous

hydrog en (CGH2) an hydrog en/natural g s blen s fuel sy st em comp nent int en ed for use on the

ty es of mot or vehicles def ined in ISO 3 3

It is a plca le t o vehicles using compr s ed g seous hydrog en (CGH2)in ac ordanc with ISO 146 7-1

or ISO 146 7- 2 an hydrog en/natural g s blen s using natural g s in ac ordanc with ISO 1 40 -1 an

ISO/TR 1 40 - 2 It is not a plca le t o the fol owing:

a) l q ef ied hydrog en (LH2) fuel syst em comp nent ;

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 document an tested ac ording t o the ap ropriate fu ctional t ests

NOTE 2 Al references t o pres ure in this document are to b considered g ug e pres ures u les otherwise

specif ied

NOTE 3 T is document may not ap ly t o fuel cel vehicles in compliance with international re ulations

2 Normati ve r eferences

The folowing document ar r fe r d t o in the t ext in such a wa that some or al of their cont ent

cons itut es r q ir ment of this document F or dat ed r fe enc s, only the edition cit ed a ples F or

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

ISO 1 619-1, Ro d vehicles — Compr s s ed g s eo s h dro en (C H2) a d h dro en/n tural g s blend f el

sys tem c omp nents — Part 1: G ene al r q ir ment a d de initions

ISO 1 619- 2, R oad vehicles — Compr s sed g seo s h dro en (C H2) a d h dro en/n tural g s blend f el

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

IEC 6 0 9-1 -1, Ex plos i ve atmos phe es — Part 10-1: Clas s ific atio o ar as — Ex plos ive g s atmos phe e

3 Terms and definitions

For the purp ses of this document, the terms an definitions given in ISO 1 619-1 an the folowing a ply

ISO an IEC maintain t erminolo ical data ases for use in s an ardization at the folowing ad r s es:

— IECEle tro edia: a aia le at ht p:/ www ele tro edia org

— ISO Onlnebrow sing plat orm:a ai a le at ht p:/ www iso org o p

3.1

automatic valve

on/ f v lve for control ing flow of g s that is not man aly o e at ed

Marking of the comp nent hal pro ide suff icient information t o alow the folowing t o be trac d:

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 or working pr s ur an t empe atur rang e;

d) thety e of fuel

The folowing ad itional markingsar r commen ed:

e) ―H1‖, ―H2‖ or ―H3‖ depen ing on the t es con ition folowed in 6.4.1;

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

g) ele trical ratings( if a plca le);

h) thesymb l of the c rtif ication ag ency ( if a pl ca le);

i) thety e a pro al n mbe ;

j) these ial n mbe or dat e code;

k) r fe enc t o this document, i.e ISO 1 619-6

NOTE This 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

5 Construction and as embl y

The a ut omatic v lve shal comply with the a plca le pro isions of ISO 1 619-1 an ISO 1 619- 2, an

with the t es s spe if ied in Clause 6 Al aut omatic v lves, inclu ing solenoid v lves, cy lin e v lves an

v lves with man al b -p s , shal comply with the t es s spe if ied in Clause 6

An aut omatic v lve shal be closed w hen de-ene giz d

An aut omatic v lve with man al b -p s shal me t the minimum r q ir ment of this document

6 Tests

6.1 A ppl cabi ity

The t es s r q ir d t o be car ied out ar in icat ed in Ta le 1

Table 1 — A ppl cable tests

Tes proc d r as

r quir d b

ISO 1 6 19- 2

Spe ific t es r quir ment

of this document

Non-metal ic material compatibility

to hydrog en

—

Ultraviolet resistance of e ternal

surfaces

—

6.2 Hy rostatic str eng th

Tes the aut omatic v lve ac ording t o the proc d r for t es ing hydros atic s r ngth spe if ied in

ISO 1 619- 2 The t es pr s ur shal be 2,5 times theworking pr s ur

6.3 Le kag e

Tes the aut omatic v lve at the t empe atur s an pr s ur s given in Ta le 2

Table 2 — Test temperatures and pres ures

Tempe atur

°C

Pr s ur

F act or × working pr s ur

(WP)

Fir t test S con test

−40 or − 20 0,75 × WP 0,0 5× WP

1,5 × WP

6.4 Continued operation

6.4.1 Tes the automatic v lve in ac ordanc with the pr oc dur e for tes ing contin ed o eration g iven

in ISO 1 61 -2, for 5 0 0 cyclesbut lowe the downstr eam pr es ur e of the tes fix tur e to les than 2 %

of wor king pr es ure, or, if the automatic v lve is closed d ring comman ed s o phases, the v lve shal

be submited to the folowing n mbe s of o er ations during testing ac ording to ISO 1 6 9-2 but lowe

the downstr eam pr es ur e of the tes fix tur e to les than 2 % of wor king pres ur e:

a) 2 0 00 cycles (mark “ H1” if the engine sh t of aut omatical y w hen thevehicle comes t o a halt ;

b) 5 0 0 0 cycles (mark “ H2” if, in ad ition t o a), the engine also sh t of aut omaticaly w hen the

vehicle driveswith the ele tric mot or only;

c) 1 0 0 0 0 cycles (mark “ H3” if, in ad ition t o a), the engine also sh t of aut omatical y w hen the

ac ele at or pedal is r leased

Notwiths an ing the a o e-mentioned pro isions, the v lve complying with b) shal be de med t o

satis y a), an the v lve complying with c)shal be de med t o satis y a)an b)

Pe form the leakag e t es in ac ordanc with 6.3 The v lve shal contin e t o o e at e ac ording t o the

man factur r’ spe if ications

6.4.2 F lowing cyclng an leakage tes ing, per for m the h ydros atic s rength tes in ac ordanc with 6.2

6.5 Insulation r esistanc e

The insulation r sis anc t es is designed t o che k for a pot ential faiur of the insulation between the

two-pin coi as embly an the aut omatic v lve casing

Ap ly DC 1 0 0 V betwe n one of the conne t or pins and the housing of the aut omatic v lve for at leas

2 s The minimum alowa le r sis anc shal be240 kΩ

If the aut omatic v lve is ele tricaly o e at ed an is t o be used inside a g s-tight housing, it shal be

intrinsical y safeas def ined in IEC6 0 9-1 -1

6.6 Minimum opening voltag e

The minimum o ening v ltag e at ro m t empe atur shal be ≤ V for a 1 V sy st em and ≤ 6 V for a 24 V

sy st em The comp nent hal be pr s uriz d at minimum 0,7 times working pr s ur d ring the t es

6.7 Pres ure impulse

The aut omatic v lve that is ex osed in se vic t o cy lin e pr s ur , shal withs an 1 0 pr s ur

pulses, as folow s

a) If the aut omatic v lve is ext ernal, con e t b th inlet an outlet t o a pipeor tube of the ty e spe if ied

b the man factur r an of at leas 1 m in length each

b) If the aut omatic v lve is mount ed t o or inside the cy linde v lve, the cy lin e v lve containing

the a ut omatic v lve shal be con e t ed se ur ly b a suita le f it ing t o a pr s uriz d sour e of

dry air, nitrog en or natural g s C n e t the outlet t o a pipe or tube of the ty e spe ified b the

man factur r an of at leas 1m in length each

c) The outlet of theaut omatic v lve shal be vent ed unti the inlet is at atmosphe ic pr s ur , an then

theoutlet of the v lve shal be closed

d) Working pr s ur shal be ins antaneously a pled t o the inlet

e) Tes the comp nent in the same wa with r ve se flow dir ction

F olowing the pr s ur impulse t es , the aut omatic v lve should o e at e ac ording t o the man factur r’s

spe ification

This t es was inclu ed in orde t o ev luat e the pe formanc of the comp nent that ma sufe from

the efe t of an ins antaneous inc ease in pr s ur In normal se vic , this ma ha pen, for ex mple,

w hen fil ng g s in an empty sy st em or w hen a solenoid v lve o ens the flow of g s t o an empty fuel l ne

Pr vious t es s ha e r vealed that c rtain designs cannot co e with these ins antaneous pulses an the

comp nent t en t o ben or jam

Bibl og raphy

[1] ISO 3 3 , Ro d vehicles — Ty pes — Te ms a d de initio s

[2] ISO 1 68 , Natural g s — Qu lt y des ig atio

[3] ISO 146 7, Hydro en f el — Produc t s pec ific atio

[4 ] ISO 1 1 4- 2, G as cylnde s — Comp tibi t y o cylnde a d v lve mate ials w ith g s c ontents —

Part 2 : No -metal c mate ial s

[5] ISO 1468 -1, Hydro en f el — Produc t s pec ific atio — Part 1: Al a plc ations exc ept proto

excha ge membra e (PEM)f el c el fr ro d vehicles

[6] ISO 1468 - 2, Hydro en f el — Produc t s pec ific atio — Part 2 : Proto excha ge membra e (PEM)

f el c el a plc atio s fr ro d vehicles

[7] ISO 1 40 -1, Natural g s — Natural g s fr us e as a c ompr s sed f el fr vehicles —

Part 1: Des ig ation o the q alt y

[ 8] 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 atio o the q alt y

[ 9] ISO/TS 1 8 9, G as eo s h dro en a d h dro en blends — L nd vehicle f el ta k s

[1 ] ISO/TR 1 9 6, B as ic c ons ide atio s fr the s afet y o h dro en sys tems

ICS  43.060.40

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