NF E29-414
NF E29-414

NF E29-414

April 1992
Standard Cancelled

Industrial valves. Safety valves. Examples for flowrate calculation of safety valves types S,G1,L1 and L2.

La présente norme donne la série des orifices de soupapes recommandés ainsi que des exemples de calculs du débit des soupapes de sûreté de types S, G1, L1 et L2 au sens de la norme NF E 29-411. Elle donne en outre, en annexe, des compléments pour le calcul du débit théorique des soupapes.

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Main informations

Collections

National standards and national normative documents

Thematics

Sécurité, Gestion des risques et SST, QSE

Publication date

April 1992

Number of pages

43 p.

Reference

NF E29-414

ICS Codes

13.240   Protection against excessive pressure

Classification index

E29-414

Print number

1 - avril 1992

International kinship

ISO 4126:1981
Sumary
Industrial valves. Safety valves. Examples for flowrate calculation of safety valves types S,G1,L1 and L2.

La présente norme donne la série des orifices de soupapes recommandés ainsi que des exemples de calculs du débit des soupapes de sûreté de types S, G1, L1 et L2 au sens de la norme NF E 29-411. Elle donne en outre, en annexe, des compléments pour le calcul du débit théorique des soupapes.
Replaced standards (1)
E29-414
E29-414
September 1984
Published document Cancelled
Industrial valves. Safety valves. Recommended outlets and calculation examples. Centre-to-face dimensions and pressure/temperature ratings.

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

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

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

Table of contents
  • 1 Domaine d'application
    4
  • 2 Références normatives
    6
  • 3 Orifices recommandés
    6
  • 3.1 Section effective d'écoulement
    6
  • 3.2 Orifices recommandés
    6
  • 4 Exemples de calculs
    8
  • 4.1 Soupape de sûreté type S
    8
  • 4.2 Soupape de sûreté type G1
    10
  • 4.3 Soupape de sûreté de type L1
    14
  • 4.4 Soupape de sûreté de type L2
    18
  • 5 Bibliographie
    18
  • Annexe A (normative) Complément pour le calcul du débit théorique des soupapes de sûreté
    20
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