NF EN 751-3+A1

NF EN 751-3+A1

December 2023
Standard Current

Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water - Part 3 : unsintered PTFE tapes and PTFE strings

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Main informations

Collections

National standards and national normative documents

Publication date

December 2023

Number of pages

23 p.

Reference

NF EN 751-3+A1

ICS Codes

23.040.80   Seals for pipe and hose assemblies

Classification index

D36-106-3

Print number

1

European kinship

EN 751-3+A1:2023
Replaced standards (1)
NF EN 751-3
June 2022
Standard Cancelled
Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water - Part 3 : unsintered PTFE tapes and PTFE strings

Le présent document spécifie des exigences et méthodes d'essai applicables aux bandes et cordons produits à partir de polytétrafluoroéthylène (PTFE) vierge utilisés avec des raccords filetés métalliques. Il définit deux classes de bandes et de cordons en PTFE - différant principalement par leur épaisseur et leur masse surfacique - pour des filetages à pas fins (F) et des filetages à pas gros (G).

Table of contents
  • 1 Domaine d'application
  • 2 Références normatives
  • 3 Termes et définitions
  • 4 Différenciation et classification des bandes et cordons en PTFE
  • 5 Exigences
  • 6 Échantillons et documentation d'essai
  • 7 Méthodes d'essai
  • 8 Marquage et notice d'utilisation
  • ZA Relation entre la présente Norme européenne et les exigences essentielles concernées du Règlement (UE) 2016/426
  • Bibliographie
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