NF EN 744

NF EN 744

July 1995
Standard Cancelled

Plastics piping and ducting systems. Thermoplastics pipes. Test method for resistance to external blows by the round-the-clock method.

Le présent document décrit l'appareillage et le mode opératoire à utiliser pour la détermination de la résistance aux chocs extérieurs des tubes thermoplastiques de section circulaire, suivant la méthode autour du cadran.

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Main informations

Collections

National standards and national normative documents

Publication date

July 1995

Number of pages

14 p.

Reference

NF EN 744

ICS Codes

23.040.20   Plastics pipes

Classification index

T54-097

Print number

1 - 01/07/1995

International kinship

ISO/DIS 3127

European kinship

EN 744:1995
Sumary
Plastics piping and ducting systems. Thermoplastics pipes. Test method for resistance to external blows by the round-the-clock method.

Le présent document décrit l'appareillage et le mode opératoire à utiliser pour la détermination de la résistance aux chocs extérieurs des tubes thermoplastiques de section circulaire, suivant la méthode autour du cadran.
Replaced standards (1)
NF T54-097
December 1986
Standard Cancelled
Plastics. Thermoplastic pipes for the transport of fluids. Determination of external impact strength. Test method.

La présente norme décrit un essai de chocs extérieurs, c'est-à-dire par la chute verticale d'une masse. La sévérité de cette méthode d'essai peut être adaptée, afin de satisfaire aux différentes spécifications, par une modification de la masse tombante et/ou de la hauteur de chute. Il y a lieu de noter qu'un résultat absolument exact ne peut être obtenu, qu'en essayant la totalité du lot ; il est toutefois nécessaire, dans la pratique, de trouver un compromis entre la possibilité statistique d'obtenir un résultat exact et le coût d'un essai supplémentaire.

Standard replaced by (1)
NF EN ISO 3127
January 2018
Standard Current
Thermoplastics pipes -Determination of resistance to external blows - Round-the-clock method

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