NF E29-410

NF E29-410

September 1990
Standard Cancelled

Industrial valves. Safety and relief valves. Defintions of technical terms.

La présente norme définit lester mes techniques relatifs aux différents types de soupapes de sûreté et à leurs caractéristiques de fonctionnement.

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Main informations

Collections

National standards and national normative documents

Thematics

Développement durable et RSE, Sécurité, Gestion des risques et SST, QSE

Publication date

September 1990

Number of pages

11 p.

Reference

NF E29-410

ICS Codes

01.040.13   Environment. Health protection. Safety (Vocabularies)
13.240   Protection against excessive pressure

Classification index

E29-410

Print number

1 - 01/09/1990

International kinship

ISO 4126:1981
Sumary
Industrial valves. Safety and relief valves. Defintions of technical terms.

La présente norme définit lester mes techniques relatifs aux différents types de soupapes de sûreté et à leurs caractéristiques de fonctionnement.
Replaced standards (1)
NF E29-410
September 1984
Standard Cancelled
Industrial valves. Safety and relief valves. Definitions of technical terms.

Standard replaced by (3)
NF EN ISO 4126-1
July 2004
Standard Cancelled
Safety devices for protection against excessive pressure - Part 1 : safety valves

ISO 4126-1:2004 specifies general requirements for safety valves irrespective of the fluid for which they are designed. It is applicable to safety valves having a flow diameter of 6 mm and above which are for use at set pressures of 0,1 bar gauge and above. No limitation is placed on temperature. This is a product standard and is not concerned with applications for safety valves.

NF EN ISO 4126-4
July 2004
Standard Cancelled
Safety devices for protection against excessive pressure - Part 4 : pilot operated safety valves

ISO 4126-4:2003 specifies general requirements for pilot operated safety valves, other than those covered in ISO 4126-1, irrespective of the fluid for which they are designed. In all cases, the operation is carried out by the fluid in the system to be protected. ISO 4126-4:2003 is applicable to pilot operated safety valves having a valve flow diameter of 6 mm and above which are for use at set pressures of 0,1 bar gauge and above. No limitation is placed on temperature. This is a product standard and it is not concerned with applications for pilot operated safety valves.

NF EN ISO 4126-7
July 2004
Standard Cancelled
Safety devices for protection against excessive pressure - Part 7 : common data

ISO 4126-7:2004 contains data common to other parts of ISO 4126, thus avoiding unnecessary repetition, and is referenced in those other parts as appropriate.

Table of contents
  • 1 OBJET ET DOMAINE D'APPLICATION
    3
  • 2 DÉFINITIONS
    3
  • 2.1 Soupape de sûreté
    3
  • 2.2 Éléments constitutifs d'une soupape de sûreté
    4
  • 2.3 Pressions
    6
  • 2.4 Levée
    9
  • 2.5 Section d'écoulement A
    9
  • 2.6 Débits :9
  • 2.7 Température génératrice Ti
    10
  • 3 NOTATIONS
    10
  • 4 BIBLIOGRAPHIE
    11
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