Tiêu chuẩn iso 12619 4 2016

© ISO 2016 Road vehicles — Compressed gaseous hydrogen (CGH2) and hydrogen/ natural gas blends fuel system components — Part 4 Check valve Véhicules routiers — Composants des circuits d’alimentation p[.]

Road vehicles — Compressed gaseous

Part 4:

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 4 : Cla et de n nr to r

Fir t edition

2 16-0 -1

Refer ence n mb r

ISO 1 61 -4:2 16(E)

COPYRIGHT PROTECTED DOCUMENT

© ISO 2016, P blshed in Sw itz rlan

A ll rig hts r eserved Unles otherw ise spe ified, nopar of this p blc tion ma y be r epr od c d or utilz d otherw ise in an form

or b an me ns, ele tr onic or me hanic l, inclu in p oto opying , or postin on the internet or an intranet , w ithout prior

written permis ion Permis ion c n be req esed from either ISO at the ad r es below or ISO’s member bod y in the c u try of

the r eq eser

ISO c pyrig ht ofic

C de Blan on et 8 • C 4 1

CH-1 14 Vernier, Geneva, Sw itzerlan

F reword i v

1 Sc ope 1

2 Nor mati ve r eferenc es 1

3 Terms an definitions 2

4 Mar king s 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 4

Biblog raphy 5

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 thefolowing 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 seo s f els

ISO 1 619 consis s of the folowing p rt , u de the g ene al title 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 blends f el sys tem c omp nents:

— 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 : Pres s ur r g lator

— Part 4 : Check v lve

— Part 5: Ma u l cylnde v lve

— Part 6 : Automatic v lve

Road vehicles — Compressed gaseous hydrog en

Part 4:

This part of ISO 1 619spe ifies g ene al r q ir ment an def initions of 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 vehiclesdefined in ISO 3 3 It also pro ides g ene al design principles an spe if iesr q ir ment

for ins ructions an markings

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 locat ed ups r am of, an inclu ing, the

v p riz 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 6 19an t ested ac ording t o the ap ropriat e fu ctional tests

NOTE 2 Al references t o pres ure in this part of ISO 1 6 19 are t o b considered g ug pres ures, u les

otherwise specif ied

NOTE 3 T is part of ISO 1 6 19 may not ap ly to fuel cel vehicles in compliance with int ernational re ulations

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 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 s ed g s eo s h dro en (CGH2) 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

3 Terms and definitions

F or the purposes of this document, the t erms an definitions given in ISO 1 619-1 a ply

4 Mar king s

Mar king of the comp nent shal pro ide sufficient information to alow the folowing detais t o be trac d:

— man factur r’ s or ag ent’ s name, trademark or symb l;

— model designation (p rt n mbe );

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

The folowing ad itional markingsar r commen ed:

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

— ty e of fuel;

— ele trical ratings( if a plca le);

— symbol of the c rtification ag ency ( if a plca le);

— ty e a pro al n mbe ;

— se ial n mbe or dat e code;

— r fe enc t o this Int ernational Stan ard ( i.e ISO 1 619)

Marking shal r main legiblefor thel fe of the component an shal not be r mo ed without des ro ing

or defacing the marking Pe manent adhesive la els ar pe mis ible, or markings ma be et ched,

s amped, or moulded int o the comp nent

NOTE 1 Specif ic information req ired for e ch component can b fou d in this part of ISO 1 6 19 an

subseq ent parts of ISO 1 6 19

NOTE 2 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 che k v lve shal comply with the a plca le pro isions of ISO 1 619-1 and ISO 1 619- 2, an with

the t es s spe if ied in Clause 6

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 — Tests applcable

Tes proc d r as r quir d

b ISO 1 6 1 9- 2

Spe ific t es r quir ment of

this p rt ofISO 1 6 1 9

Non-metal ic mat erial

immer ion

Pre-co led hydro en e posure

test

Non-metal ic mat erial

compatibility t o hydro en

Ultraviolet resistance of

e ternal surfaces

NO E Not ap lc ble for che k valves b it into other c mponent

6.2 Hy rostatic str eng th

Tes the che k 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 6 19- 2

The t es pr s ur shal be twic the working pr s ur

6.3 Le kag e

Tes the che k v lve at the t empe atur s and pr s ur s given in Ta le 2

Table 2 — Test temperatures and pres ures

Tempe atur

°C

Pr s ur

MPa (b r)

−40 or − 0

as ap lica le

1,5 × WP

+ 5 or + 2

as ap lica le

0,0 ×WP

6.4 Continued operation

The che k v lve shal be ca a le of withs an ing 2 0 0 cycles of o e ation an 24 hours of chatt er

flow w hen submitt ed t o the folowing t es proc d r :

a) Conne t the che k v lve t o a t es fixtur an a ply a pr s ur eq al t o the working pr s ur t o

the che k v lve’ s inlet, then vent pr s ur from it outlet Lowe the pr s ur on the che k v lve’ s

outlet ide t o betwe n 0 an a ma imum of 0,5 times the working pr s ur prior t o the next cycle

b) F olowing 2 0 0 cycles of o e ation, subje t the che k v lve t o 24 hours of chatt er flow at a flow

rat e that ca uses the mos chatt er Aft er this t es , the che k v lve shal comply with the leakag e t es

ac ording t o 6.3

Faiur in any sense d ring the proc d r shal cons itut e a faiur of the che k v lve Al part shal

r main in p sition an function pro e ly aft er thist es

Aft er this t es , the che k v lve shal comply with the hydros atic t es ac ording t o 6.2

Bibl og raphy

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

[2] ISO 6 2 -1, Ro d vehicles — 6 0 Va d 6 00 V s 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

[3] ISO 6 2 - 2, Ro d vehicles — 6 0 V a d 6 00 Vs 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

[4 ] ISO 6 2 -3

1)

, R oad vehicles — Uns c re ned low-tens io c ables — Part 3 : Co duc tor s i zes a d

dimens io s fr thick-wal ins ulated c ables

[5] ISO 6 2 -4

2)

, R oad vehicles — Uns c re ned low-tens io c ables — Part 4 : Co duc tor s i zes a d

dimens io s fr thin-wal ins ulated c ables

[6] ISO 1 619-3, Ro d vehicles — Compr s sed g s eo s h dro en (CGH2) a d h dro en/n tural g s

blend f el sys temc omp nents — Part 3 : Pres s ur r g lator

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

exch n e membra e (PEM)f el c el fr ro d vehicles

[ 8] ISO 146 7- 2, Hydro en f el — Produc t s pec ific ation — Part 2 : Proto excha ge membra e (PEM)

f el cel a plcatio s fr ro d vehicles

[ 9] 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

[1 ] 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

[1 ] 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) With raw n