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NF EN 21746 : 1993

NF EN 21746 : 1993

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Superseded date

04-01-2002

Published date

01-12-2013

Publisher

Association Francaise de Normalisation

National foreword
Committees responsible
Method
1 Scope and field of application
2 References
3 Method A
4 Method B
5 Expression of results
6 Test report
Figures
1 Method A - Arrangement for measuring bending force
2 Schematic arrangement for method A
3 Measurement of coefficient of deformation
4 Schematic arrangement for method B

Describes two methods for determining behaviour of rubber or plastics hoses or tubing when bent to a specified radius. Method A is suitable for hoses and tubing of bore sizes up to 80 mm. The method also provides a way of measuring force required to reach a specified bend radius and test may be at a specified internal pressure. In Method B, bending characteristics, including force required for bending, may be determined over a range of temperatures from -60 degrees C to +200 degrees C. Applicability is limited to hoses and tubing of small bore sizes, i.e., up to 12,5 mm.

DevelopmentNote
Supersedes NFT 47 203 (06/2002)
DocumentType
Standard
PublisherName
Association Francaise de Normalisation
Status
Superseded
Supersedes

Standards Relationship
DIN EN 21746:1993-04 Identical
I.S. EN 21746:1993 Identical
BS EN 21746:1993 Identical
UNE-EN 21746:1994 Identical
EN 21746 : 1993 Identical

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