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BS 4531:1986

Current
Current

The latest, up-to-date edition.

Specification for portable and mobile troughed belt conveyors
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-05-1986

Foreword
Committees responsible
Specification
1 Scope
2 Definitions
3 Belting
4 Take-up devices
5 Pulleys (including motorized pulleys)
6 Idlers
7 Power units
8 Skirt plates
9 Luffing gear
10 Lubrication
11 Walkways and access stairways
12 Radial conveyors
13 Belt cleaning
Appendix
A Nominal cross-sectional area of load stream and
    nominal belt carrying capacity
Tables
1 Minimum belt edge clearance
2 Minimum pulley face length
3 Minimum pulley diameter in relation to belt
    construction
4 Nominal diameters of idler rollers
5 Surcharge angle
6 Values of terms related to surcharge angle 2 and
    troughing angle A
Figures
1 Typical portable troughed belt conveyor
2 Typical mobile troughed belt conveyor with fixed
    discharge height
3 Typical mobile troughed belt conveyor with
    adjustable discharge height
4 Typical crowned pulley profile
5 Load stream areas with two- and three-roll idlers

Dimensional requirements for belting and pulleys for portable and mobile troughed belt conveyors together with requirements for ancillary items. A formula for calculating the belt carrying capacity is given as an appendix.

This British Standard specifies requirements for portable and mobile troughed belt conveyors, in particular for their belting, pulleys and power units, together with requirements for ancillary items. Requirements for belting only apply to belts with a smooth or patterned surface.

NOTE 1 Equations for calculating the belt carrying capacity are given in Appendix A.

NOTE 2 The titles of the publications referred to in this standard are listed on the inside back cover.

Committee
MHE/9
DevelopmentNote
Supersedes 84/72596 DC and BS 4531(1969) (08/2005) Reviewed and confirmed by BSI, August 2012. (07/2012)
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Current
Supersedes

BS 5395-3:1985 Stairs, ladders and walkways Code of practice for the design of industrial type stairs, permanent ladders and walkways
ISO 251:2012 Conveyor belts with textile carcass — Widths and lengths
BS 5514-1:1977 Reciprocating internal combustion engines: performance. Specification for standard reference conditions and declarations of power, fuel consumption and lubricating oil consumption
BS 490-1:1985 Specification for conveyor and elevator belting. Specification for rubber and plastics conveyor belting of textile construction for general use
ISO 1536:1975 Continuous mechanical handling equipment for loose bulk materials Troughed belt conveyors (other than portable conveyors) Belt pulleys
BS 5395-1:1977 Stairs, ladders and walkways Code of practice for the design of straight stairs

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