Bsi bs au 050 3 4a 1980 (2000) iso 4570 3 1980

BRITISH STANDARD AUTOMOBILE SERIES BS AU 50 3 4a 1980 ISO 4570 3 1980 Incorporating Amendment No 1 Specification for Tyres and wheels — Part 3 Valves — Section 4a Tyre valve threads 8V2, 10V1, 11V1, 1[.]

ISO 4570-3:

Incor por a ting

A mend ment No 1

U C 6 9.1 3.0 2.5 1–3 6.2:6 1.8 2.0 2

This Bri shStan ard, ha ing

b en pre ared u der the

directonof the Automo ile

Stan ards Commi e ,was

published u der the authoriy

ofthe Ex cutv Bo rd an

comesinto efect on

2 Aug ust1 8

© BSI0 -2 0

The folowing BSI references

relate to the work on this

stan ard:

Commi e reference AUE/4

Draft for comment7 / 72 8 DC

ISBN 0 5 0 1 5 47

Am endm ents is ued sinc publ cation

Amd No Date of is ue Comments

19 2

Indicated b a sidelne in the marg in

© BSI 0 -2 0

i

Pag e

© BSI 0 -2 0

This Section of this Part of BS AU5 , prep red u d er the direction of the

Automobie Stand rds Commit e , is identical with ISO4 7 -3:19 0 “ Tyr e va lve

thr ea d s— Pa r t3: Thr ea d s8V2,10V1,1 V1,13V2,15V1,16V1,17V1, 17V2,

17V3, 19V1,20V1” publ shed b the International Org anization for

Stand ard ization ( ISO) Sections1,2 and3 of this Part d eal with v alv e

d imensions Other Parts of the stand rd are:

— Pa r t1: Tyr es;

— Pa r t2: Whe ls a nd r ims

ISO4 7 -3:19 0 ( E)/ Er atum was implemented as Amendment No.1 to this

stand rd

Term inolog y and conventions The text of the International Stand rd has

be n a prov ed as suita le for publcation, without dev iation, as a

BritishStand ard Some terminolog y and certain conv entions are not id entical

with those used in BritishStand rd s; at ention is especial y drawn to the

fol owing

W here the words “ International Stand ard” a pear, refer ing to this stand ard ,

they should be rea as “BritishStand ard ”

The comma has be n used throug hout as a decimal marker In BritishStand rds

it is cur ent practice to use a ful point on the b sel ne as the decimal marker

The cor esponding BritishStand ard for ANSI Stand rd B1.2 is BS919 “ Scr ew

ga uge lmis a nd toler a nc s” Part4:19 4 “ Limis o size f r ga uge fr s r ew

thr ea d s o Unified fr m, d ia meter s! in a nd la r ger ” It is tech icaly equiv alent

to the ANSI Stand ard

A British Stand ard d oes not purport to includ e al the neces ary prov isions of a

contract User of British Stand rd s are responsible for their cor ect a plcation

Com pl anc with a British Standard does not ofitself confer im m unity

f om leg al o l g ations

Cros - referenc

Inte national Stand rd Cor esp nding BritishStand rd

ISO15 2:19 8 BS919 Scr ew ga uge lmis a nd toler a nc s

Part3:19 8 Ga uge f r ISO metr ic s r ew thr ea d s

( Tech icaly eq uiv alent)

Sum mary of pag es

This document comprises a f ont cov er, an insid e font cov er, p g esi andi ,

p g es1 to3 an a b ck cov er

This stand rd has be n up ated ( se copy rig ht d ate) an ma hav e ha

amendments incorporated This wi l be indicated in the amendment ta le on the

inside f ont cov er

© BSI 0 -2 0

1

1 Scope and field ofappl cation

This International Stand ard specifies lmit dimensions and tolerances for ty re v alv e

threa s8V 2,10V1,1 V 1,13V2,15V1, 16V1,17V1,17V 2,17V 3,19V 1 et20V1

ISO15 2, ISO gener a l pur pos metr ic thr ea d s— Ga uging

ANSI B1.2, Ga uge a nd ga uging fr u ified inch s r ew thr ea d s

3 Desig nation

The desig nations shal be as g iv en in Ta le 1

Ta le 1 — Desig nation

Nom inal dim ension, mm Desig nation

© BSI 0 -2 0

4 Profi e

Ta le 2 — Limit dim ensions ( se Ta le 2)

5 Thread g aug ing

5.1 Threa s10V1, 15V1, 17V1 and20V1 should be v erified ac ording to the specifications g iv en below

The minimum and ma imum v alues hav e be n calculated to make it pos ible to a ply the lmit g aug e

inspection principles specified in ISO15 2 to the thread s10V1, 15V1,17V 1 and20V1

For the ela oration of the g aug es, the folowing tolerances extracted fom ISO15 2 hav e be n chosen:

5.2 Threa s8V2,1 V1,13V2,16V 1, 17V2,17V 3,19V1, should be v erified ac ord ing ANSIB1.2

— pitch diameter of external threa ( d

2 ) 244m < < 5 4m

— outside diameter of external threa ( d )

3 4m < T

d

< 8 4m

— pitch diameter of internal thread ( D

2 )

244m < < 5 4m

— inside d iameter of internal thread ( D

1 ) 3 4m < <10 4m

T

d

2

T

D

2

T

D

1

© BSI 0 -2 0

3

ISO 4570-3:

1980

BSI

3 9 Chiswick Hig h Roa

London

W 4 4AL

BSI is the independent national bod y responsible for prep ring

BritishStand ard s It presents the UK v iew on stand ard s in Europe an at the

international lev el It is incorporated b Roy al Charter

Revisions

BritishStand ards are up ated b amendment or rev ision User of

BritishStand ard s should make sure that they pos es the latest amendments or

editions

It is the constant aim of BSI to improv e the qual ty of our products and serv ices

W e would be g rateful if any one find ing an inac uracy or ambig uity whi e using

this BritishStand rd would inform the Sec etary of the technical commit e

responsible, the identity of which can be fou d on the inside f ont cov er

Tel:0208 9 9 0 Fa :0208 9 7 0

BSI ofer member an indiv id ual up ating serv ice caled PLUS which ensures

that subs riber automaticaly receiv e the latest editions of stand rds

Buying standards

Order for al BSI, international an foreig n stand ard s publcations should be

a d res ed to Customer Serv ices Tel:0208 9 9 01 Fa :0208 9 7 01

In response to ord er for international stand rd s, it is BSI pol cy to sup ly the

BSI implementation of those that hav e be n publ shed as BritishStand rds,

unles otherwise requested

Inform ation on standards

BSI prov id es a wide rang e of information on national, European and

international stand rds throug h its Library and its Tech ical Help to Ex orter

Serv ice Various BSI electronic information serv ices are also av aia le which g iv e

d etais on al its prod ucts an serv ices Contact the Information Centre

Tel:0208 9 71 1 Fa :0208 9 7 4

Subs ribing member of BSI are kept up to d te with stand rd s dev elopments

and receiv e substantial d is ou ts on the pur hase price of stand rds For d etai s

of these and other benefits contact Member hip Ad ministration

Tel:0208 9 7 02 Fa :0208 9 7 01

Co yrig ht

Copy rig ht subsists in al BSI publcations BSI also holds the copy rig ht, in the

UK, of the publcations of the international stand ardization bod ies Except as

permit ed u der the Cop rig ht, Desig ns and Patents Act 19 8 no extract ma be

reproduced , stored in a retriev al sy stem or transmit ed in any form or b any

means – electronic, photocopy ing , recording or otherwise – without prior writ en

permis ion fom BSI

This do s not preclude the fe use, in the cour e of implementing the stand ard,

of neces ary detai s such as sy mbols, and siz , ty pe or g ra e d esig nations I these

d etais are to be used for any other purpose than implementation then the prior

writ en permis ion of BSI must be obtained

I permis ion is g ranted, the terms ma includ e roy alty p y ments or a lcensing

ag re ment Detais and a v ice can be obtained f om the Copy rig ht Manag er

Tel:0208 9 7 7