Bsi bs au 050 1 5 3 1994 (1999) iso 3739 2 1992

BRITISH STANDARD AUTOMOBILE SERIES BS AU 50 1 5 3 1994 ISO 3739 2 1992 Tyres and wheels — Part 1 Tyres — Section 5 Industrial vehicle tyres — Subsection 5 3 Specification for pneumatic tyres (metric s[.]

1992

U C 6 9.1 0 2.5 :6 1 2.3

This British Stan ard,ha ing

b en pre ared u der the

directionof the Automo ie

Stan ards Polcy Commite ,

waspublshed u der the

authority f the Stan ards

Bo rdan comes

into efect on

1 Fe ruary 1 9

© BSI 1 -1 9

The folowing BSI references

The prep ration of this British Stand rd was entrusted b the Automobie

Stand rds Polcy Commit e ( AUE/-) to Tech ical Commit e AUE/4, upon

which the folowing bodies were represented:

Ag ricultural Eng ine r ’ Association

Automobie Association

British Industrial Truck Association

British Pres ure Gaug e Man facturer ’ Association

British Rub er Man facturer ’ Association

Bus and Coach Cou ci

Dep rtment of Transport

Freig ht Transport Association

Institute of Roa Transport Eng ine r ( Inc)

Motor Cy cle Industry ’s Association of Great Britain Ltd

Motor Industry Resear h Association

National Ty re Distributor ’ Association

Retrea Man facturer ’ Association

Roa Haulag e Association Ltd

Society of Motor Man facturer and Tra er Ltd

Am endm ents is ued sinc publ cation

Pag e

Ta le 1 — Ty re loa ca acity rating s for A5 ty res on

Ta le 2 — Ty re loa ca acity rating s for A5 ty res on side loa er 1

Ta le 3 — Ty re loa ca acity rating s for A5 ty res on other v ehicles 1

National foreword

This Subsection of this Part of BSAU5 has be n prep red u der the direction

of the Automobie Stand rds Polcy Commit e and is identical with

ISO3 3 -2:19 2 Ind ustr ia l tyr es a nd r ims — Pa r t 2: Pneuma tic tyr es (metr ic

s r ie ) on 5° ta per ed o fla t ba se r ims — Loa d r a tings, publ shed b the

International Org anization for Stand rdization ( ISO) Other Parts of this

stand rd are:

— Pa r t 2: Whe l s a nd r ims;

— Pa r t 3: Va lve ;

— Pa r t 4: R im pr ofiles a nd d imensions

Cros - referenc s The Tech ical Commit e has rev iewed the prov isions of

ISO42 3-1 and ISO5 5 to which normativ e reference is ma e in the text and

has decided that they are ac epta le for use in conju ction with this stand rd

A British Stand rd do s not purport to include al the neces ary prov isions of a

contract User of British Stand rds are responsible for their cor ect a pl cation

Com pl anc with a British Standard do s not of itselfc nfer im munity

f om leg al obl g ations

Summ ary of pag es

1 Scope

This p rt of ISO3 3 specifies the loa rating s of

the metric series of pneumatic ty res primariy

intended for industrial v ehicles for use on prep red

suraces

ISO3 3 -1deals with desig nation, dimensions and

marking ; ISO3 3 -3 deals with rim contour for

these ty res

2 Norm ative ref rences

The folowing stand rds contain prov isions which,

throug h reference in this text, constitute prov isions

of this p rt of ISO3 3 At the time of publcation,

the editions indicated were v ald All stand rds are

subject to rev ision, and p rties to ag re ments b sed

on this p rt of ISO3 3 are encourag ed to

inv estig ate the pos ibi ty of a ply ing the most

recent editions of the stand rds indicated below

Member of IEC and ISO maintain reg ister of

cur ently v al d International Stand rds

ISO 42 3-1:19 9, Definiions o some ter ms us d in

the tyr e ind ustr y — Pa r t 1: Pneuma tic tyr es

ISO 5 5 :19 7, Power ed ind ustr ia l tr ucks —

Ter minology

3 Definitions

For definitions of terms relating to ty res,

se ISO42 3-1; for definitions of terms relating to

industrial trucks and machines, se ISO5 5

4 Ref rence load- car ying capacity

4.1 The10 % reference loa -car y ing ca acity is

the loa cor esponding to the loa index marked on

the ty re

NOT 1 Cor elation b twe n lo d in e an tyre lo d-car ying

ca acity is sp cified in ISO3 3 -1:1 9 , Ta le2

4.2 Reference loa -car y ing ca acities of sev eral

v er ions of the same ty re siz ( same dimensional

and constructional characteristic ) shal be b sed on

reference inflation pres ures

of5 0kPa, 6 5kPa, 825kPa and1 0 0kPa

5 Load rating s

5.1 The permis ible loa s for industrial ty res are

b sed on their a pl cation ac ording to v ehicle ty pe

and spe d ca a i ity and shal be as g iven in

Ta le 1 to Ta le 3

NOT 2 The data g iv n in Ta le 1 to Ta le 3 ma b

reconsidered in the lght of ad itional field e p rience

5.2 For10 % reference, se clause4

5.3 Calculated loa s shal be rou ded to

nearest5kg a ov e

5.4 W hen fit ed in dual formation, the loa for the

two ty res is twice that for a sing le ty re

Ta le 1 — Tyre loa ca acity rating s for A5

tyres on c unterbalanc d l ft trucks

Ta le 2 — Tyre loa ca acity rating s for A5

tyres on side loa er

Ta le 3 — Tyre loa ca acity rating s for A5

tyres on other vehicles

6 Inflation pr s ur s

Operating cold inflation pres ures should be ag re d

betwe n tyre and vehicle man facturer taking into

ac ou t not only the ty re loa -car y ing ca acity , but

also the operating conditions, the ma imum spe d,

the position of the ty re on the v ehicle, serv ice

conditions and the construction and characteristic

of the v ehicle

Cold inflation pres ure means the pres ure taken

with the ty re at ambient temperature; it do s not

include any pres ure buid-up due to ty re usag e

S e d ca a i ty ofcou te b lanc d lft truck:

up to 2 km/ h up to 3 km/h

Lo d whe ls Ste ring

whe ls

Lo d whe ls Ste ring

whe ls

S e d ca a i ty of side lo de :

s atic up to 2 km/ h up to 3 km/ h

S e d ca a i ty of othe vehicles:

s atic

up to

1 km/h

up to

2 km/h

up to

4 km/ h

up to

5 km/ h

List ofreferences

Se national foreword

1994

1992

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