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BS 5106:1988

BS 5106:1988

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Specification for dimensions of spiral anti-extrusion back-up rings and their housings

Available format(s)

Hardcopy , PDF

Superseded date

04-29-2024

Language(s)

English

Published date

01-31-1989

Publisher

British Standards Institution

Foreword
Committees responsible
Specification
1. Scope
2. Spiral back-up rings
3. Housing grooves
Appendices
A. Guidance on assembly
B. Obsolete series of spiral back-up rings
Tables
1. Dimensions of spiral back-up rings
2. Housing groove dimensions
B1. Dimensions of spiral back-up rings for 4.1 mm
    section diameter 'O'-rings
B2. Housing groove dimensions for 4.1 mm section
    diameter 'O'-rings and associated spiral back-up
    rings
Figures
1. Back-up ring
2. Housing groove
3. Installation of back-up rings

Design and dimensions of a range of rings which prevent O-rings manufactured to BS 4518 from extruding under pressure.

This British Standard specifies the design and dimensions of a range of spiral anti-extrusion back-up rings that prevent “O”-rings, which are manufactured in accordance with BS 4518, from extruding under pressure or where extrusion clearances are in excess of those specified in BS 4518. These spiral back-up rings are particularly suitable for use in hydraulic diametral sealing applications where the pressures exceed 100 bar1) and are generally less than 200 bar.

This standard also specifies the shape and dimensions of housing grooves to accommodate one or two spiral back-up rings and their associated “O”-ring.

The range of spiral back-up rings specified in this standard is intended for use with “O”-rings selected from BS 4518.

Appendix A provides guidance for the assembly of spiral back-up rings.

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

Committee
MCE/11
DevelopmentNote
Supersedes BS 5106(1982) & 87/72480 DC. (07/2005) Reviewed and confirmed by BSI, December 2012. (11/2012)
DocumentType
Standard
Pages
20
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

BS 5755:1986 Specification for dimensions of basic features of fluid power cylinders

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Hardcopy - English
PDF - English
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