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BS EN ISO 407:2021

BS EN ISO 407:2021

$142.49

Small medical gas cylinders. Pin-index yoke-type valve connections

Published By Publication Date Number of Pages
BSI 2021 28
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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.

NOTE 1

This type of connection is primarily used for small cylinders (5 l or below).

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 5 Pa = 10 5 N/m 2).

This document specifies:

  1. basic dimensions;

  2. requirements for alternative designs of the yoke-type valve connections;

  3. 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 gases and gas mixtures.

PDF Catalog

PDF Pages PDF Title
2 National foreword
4 European foreword
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
4 Valve
8 5 Yoke
6 Basic dimensions
6.1 General
9 6.2 Pin-index yoke-type valve body
10 6.3 Single-pin yoke-type valve connection system
6.4 Two-pin yoke-type valve connection system with the pins in a single row
11 6.5 Two-pin yoke-type valve connection system with the pins in a double row
6.6 Basic dimensions
12 7 Requirements for alternative designs of yoke-type valve connections
7.1 Requirements for the design of the connecting yoke
7.2 Examples of alternative construction for the connecting yoke
15 8 Dimensions and positions of the holes and pins for yoke-type valve connections
8.1 General
8.2 Outlet connection with single-pin system
16 8.3 Outlet connections with two-pin/single-row system
8.3.1 Outlet connection for oxygen
17 8.3.2 Outlet connection for oxygen/carbon dioxide mixture (CO2 ā‰¤ 7 %)
8.3.3 Outlet connection for oxygen/helium mixture (He ā‰¤ 80 %)
18 8.3.4 Outlet connection for ethylene
8.3.5 Outlet connection for nitrous oxide (with or without liquid draw-off)
19 8.3.6 Outlet connection for cyclopropane
8.3.7 Outlet connection for helium and for helium/oxygen mixture (O2 < 20 %)
20 8.3.8 Outlet connection for carbon dioxide (with or without liquid draw-off) and for carbon dioxide/oxygen mixture (CO2 > 7 %)
8.3.9 Outlet connection for medical air
21 8.3.10 Outlet connection for nitrogen
8.4 Outlet connection with two-pin/double-row system

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BS EN ISO 407:2021
$142.49