NF EN ISO 15761

NF EN ISO 15761

April 2003
Standard Cancelled

Steel gate, globe and check valves for sizes DN 100 and smaller, for the petroleum and natural gas industries

ISO 15761 specifies the requirements for a series of compact steel gate, globe and check valves for petroleum and natural gas industry applications. It is applicable to valves of nominal sizes (DN) 8, 10, 15, 20, 25, 32, 40, 50, 65, 80 and 100, to corresponding nominal sizes, to nominal pipe sizes (NPS) of a quarter, three eighths, half, three quarters, one, one and a quarter, one and a half, two, two and a half, three and four, and to pressure designation classes 150, 300, 600, 800 and 1500. It includes provisions for a wide range of valve characteristics and is applicable to valve end flanges in accordance with ASME B16.5 and valve body ends having tapered pipe threads to ISO 7-1 or ASME B1.20.1.

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Main informations

Collections

National standards and national normative documents

Publication date

April 2003

Number of pages

50 p.

Reference

NF EN ISO 15761

ICS Codes

23.060.01   Valves in general
75.180.20   Processing equipment

Classification index

E29-335

Print number

1 - 25/04/2003

International kinship

ISO 15761:2002

European kinship

EN ISO 15761:2002
Sumary
Steel gate, globe and check valves for sizes DN 100 and smaller, for the petroleum and natural gas industries

ISO 15761 specifies the requirements for a series of compact steel gate, globe and check valves for petroleum and natural gas industry applications. It is applicable to valves of nominal sizes (DN) 8, 10, 15, 20, 25, 32, 40, 50, 65, 80 and 100, to corresponding nominal sizes, to nominal pipe sizes (NPS) of a quarter, three eighths, half, three quarters, one, one and a quarter, one and a half, two, two and a half, three and four, and to pressure designation classes 150, 300, 600, 800 and 1500. It includes provisions for a wide range of valve characteristics and is applicable to valve end flanges in accordance with ASME B16.5 and valve body ends having tapered pipe threads to ISO 7-1 or ASME B1.20.1.

Replaced standards (1)
NF M87-412
December 1986
Standard Cancelled
Petroleum industry. Forged steel valves. Specifications.

Cette norme présente les caractéristiques de construction des robinets-vannes, des robinets à soupape et des clapets de non-retour en acier forgé destinés à l'industrie du pétrole.

Standard replaced by (1)
NF EN ISO 15761
September 2020
Standard Current
Steel gate, globe and check valves for sizes DN 100 and smaller, for the petroleum and natural gas industries

<p>This document specifies the requirements for a series of compact steel gate, globe and check valves for petroleum and natural gas industry applications.</p> <p>It is applicable to valves of:</p> <p>— nominal sizes DN 8, 10, 15, 20, 25, 32, 40, 50, 65, 80 and 100,</p> <p>— corresponding to nominal pipe sizes NPS ¼, ⅜, ½, , 1, 1¼, 1½, 2, 2½, 3 and 4,</p> <p>— pressure designations PN 16, 25, 40, 63, 100, 250 and 400, and</p> <p>— pressure designations Class 150, 300, 600, 800, 1 500 and 2 500.</p> <p>Class 800 is not a listed class designation, but is an intermediate Class number widely used for socket welding and threaded end compact valves covered by this document. There is no equivalent PN designation.</p> <p>This document includes provisions for the following valve characteristics:</p> <p>— outside screw with rising stems (OS &amp; Y): in sizes 8 ≤ DN ≤ 100;</p> <p>— inside screw with rising stems (ISRS): in sizes 8 ≤ DN ≤ 65 with a pressure designation PN ≤ 100 or Class ≤ 800;</p> <p>— socket welding or threaded ends: in sizes 8 ≤ DN ≤ 65;</p> <p>— flanged or butt-welding ends excluding flanged end Class 800;</p> <p>— bonnet joint construction that is bolted, welded or threaded with seal weld;</p> <p>— bonnet joint construction that uses a union nut with a pressure designation PN ≤ 45 or Class ≤ 800;</p> <p>— body seat openings;</p> <p>— materials: as specified;</p> <p>— testing and inspection.</p> <p>This document covers valve end flanges in accordance with EN 1092-1 and ASME B16.5 and valve body ends having tapered pipe threads in accordance with ISO 7-1 or ASME B1.20.1. It is applicable to extended body construction in sizes 15 ≤ DN ≤ 50 with pressure designations Class 800 and Class 1 500 and to bellows and bellows assembly construction adaptable to gate or globe valves in sizes 8 ≤ DN ≤ 50. Also covered are requirements for bellows stem seal type testing.</p>

Table of contents
View the extract
  • 1 Domaine d'application
    1
  • 2 Références normatives
    1
  • 3 Termes et définitions
    3
  • 4 Relations pression/température
    3
  • 4.1 Spécifications des appareils de robinetterie
    3
  • 4.2 Contraintes de température
    4
  • 5 Conception
    4
  • 5.1 Conception de référence
    4
  • 5.2 Passage d'écoulement
    5
  • 5.3 Épaisseur de paroi
    5
  • 5.4 Corps de l'appareil de robinetterie
    5
  • 5.5 Chapeau ou couvercle de l'appareil de robinetterie
    10
  • 5.6 Obturateur
    11
  • 5.7 Tige
    12
  • 5.8 Écrou ou douille de tige
    13
  • 5.9 Garniture, boîte à garniture et fouloir
    14
  • 5.10 Fixation de la garniture
    14
  • 5.11 Volant
    15
  • 6 Matériaux
    15
  • 6.1 Équipement interne
    15
  • 6.2 Matériaux autres que les matériaux de l'équipement interne
    15
  • 7 Marquage
    15
  • 7.1 Lisibilité
    15
  • 7.2 Marquage du corps
    17
  • 7.3 Marquage des rainures pour joints annulaires
    18
  • 7.4 Plaque signalétique d'identification
    18
  • 8 Essais et contrôle
    18
  • 8.1 Essais sous pression
    18
  • 8.2 Contrôle
    20
  • 9 Préparation pour l'expédition
    20
  • Annexes
  • A Exigences concernant les corps rallongés de robinets-vannes
    22
  • B Exigences pour appareils de robinetterie avec étanchéités de tige par soufflet
    27
  • C Essai de type des étanchéités de tige par soufflet
    30
  • D Identification des éléments de l'appareil de robinetterie
    33
  • E Informations à spécifier par le client
    36
  • Bibliographie
    38
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