NF EN ISO 407
Small medical gas cylinders - Pin-index yoke-type valve connections
ISO 407:2004 concerns pin-index yoke-type valve connections for small medical gas cylinders, with a maximum working pressure (filling pressure at 15 °C) of 200 bar. This type of connection is typically used for small cylinders (5 l or below). In some cases, it may be used for larger cylinders. In this latter case, consideration shall be given to the need for valve protection. It specifies: basic dimensions;requirements for alternative designs of the yoke-type valve connections;dimensions and positions for the holes and pins for the outlet connections. It also specifies the dimensions and positions for the holes and pins for the outlet connections for certain gases and gas mixtures. ISO 407:2004 applies to small medical gas cylinders used for patient care, including therapeutic, diagnostic and prophylactic applications, in hospitals and for emergency treatment.
ISO 407:2004 concerns pin-index yoke-type valve connections for small medical gas cylinders, with a maximum working pressure (filling pressure at 15 °C) of 200 bar. This type of connection is typically used for small cylinders (5 l or below). In some cases, it may be used for larger cylinders. In this latter case, consideration shall be given to the need for valve protection.
It specifies:
- basic dimensions;
- requirements for alternative designs of the yoke-type valve connections;
- dimensions and positions for the holes and pins for the outlet connections.
It also specifies the dimensions and positions for the holes and pins for the outlet connections for certain gases and gas mixtures.
ISO 407:2004 applies to small medical gas cylinders used for patient care, including therapeutic, diagnostic and prophylactic applications, in hospitals and for emergency treatment.
Le présent document spécifie les raccords de sortie de robinets du type à étrier avec ergots de sécurité pour usage médical et décrit, pour chaque gaz spécifié, le raccord de sortie qui lui correspond.
Le présent document corrige des exigences dimensionnelles des Figures 5 et 6. En accord avec le Règlement Intérieur du CEN, cet amendement incorpore également le corrigendum EN 850:1996/AC:1998.
<p>This document is applicable to pin-index yoke-type valve connections for medical gas cylinders, with a working pressure up to a maximum of 200 bar or test pressure up to a maximum of 300 bar, or both.</p> <p>NOTE 1 This type of connection is primarily used for small cylinders (5 l or below).</p> <p>NOTE 2 In this document the unit bar is used, due to its universal use in the field of technical gases. It should, however, be noted that bar is not an SI unit, and that the corresponding SI unit for pressure is Pa (1 bar = 10<sup>5</sup> Pa = 10<sup>5</sup> N/m<sup>2</sup>).</p> <p>This document specifies:</p> <p>— basic dimensions;</p> <p>— requirements for alternative designs of the yoke-type valve connections;</p> <p>— dimensions and positions for the holes and pins for the outlet connections.</p> <p>It also specifies the dimensions and positions for the holes and pins for the outlet connections for gases and gas mixtures.</p>
- Avant-proposiv
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1Domaine d'application 1
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2Références normatives 1
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3 Robinet1
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4 Étrier2
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5Dimensions de base 2
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5.1 Généralités2
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5.2Corps de robinet du type à étrier avec ergot de sécurité 3
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5.3Système de raccord de robinet du type à étrier avec un seul ergot de sécurité 4
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5.4Système de raccord de robinet du type à étrier avec deux ergots de sécurité sur un seul rang 4
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5.5Système de raccord de robinet du type à étrier avec deux ergots de sécurité sur deux rangs 5
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5.6Dimensions de base 5
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6Exigences pour variantes de construction de raccords de robinets du type à étrier 6
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6.1Exigences de construction de l'étrier de fixation 6
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6.2Exemples de variantes de construction pour l'étrier de fixation 6
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7Dimensions et positions des trous et ergots pour raccords de robinets du type à étrier 9
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7.1 Généralités9
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7.2Raccord de sortie à système à un seul ergot 9
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7.3Sorties de raccord à système à deux ergots sur un seul rang 10
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7.4Raccord de sortie à système à deux ergots sur deux rangs 20
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