BS EN 849:1997
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Transportable gas cylinders. Cylinder valves. Specification and type testing
Hardcopy , PDF
English
14-01-2002
31-03-2006
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions and symbols
4 Valve requirements
5 Prototype valve test
6 Marking
7 Test report
Annex A (normative) Valve impact test
Annex B (informative) Example of test sequence
Annex C (normative) Endurance test
Figure 1 - External tightness
Figure 2 - Internal tightness
Figure 3 - Maximum dimensions for gas cylinder valves,
protected by a cap
Figure 4 - Example of an ignition test installation
Figure 5 - Pressure cycle specification
Figure 6 - Example of acetylene flashback test apparatus
Figure A.1 - Impact test
Figure C.1 - Typical arrangement of computer controlled equipment
Figure C.2 - Diagram showing a typical cycle for endurance test
Table 1 - Sequence of tests (tightness, endurance and fire
resistance) for type approval (no variants)
Table 2 - Test procedures for tightness tests
Table 3 - Test sequence
Specifies requirements and methods of test for type approval of hand wheel or key operated valves for use on gas cylinders up to 150 l water capacity. It is not applicable to valves for use on breathing equipment, fire extingushers, cryogenic equipment or LPG equipment.
| Committee |
PVE/3/1
|
| DevelopmentNote |
Partially Supersedes BS 341-1(1962), and BS 341-2(1963) Supersedes 00/714388 DC, 92/81294 DC and 98/709278 DC (02/2002) Along with BS EN ISO 14246, BS 341-3(2002) and BS EN ISO 13340 partially supersedes BS 341-1(1991). (05/2002)
|
| DocumentType |
Standard
|
| Pages |
30
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| EN 849:1996/A2:2001 | Identical |
| DIN EN 849:2002-01 | Identical |
| NBN EN 849 : 96 AMD 2 2001 | Identical |
| I.S. EN 849:1997 | Identical |
| NEN EN 849 : 96 AMD 2 2001 | Identical |
| NF EN 849 : 96 AMD 2 2001 | Identical |
| NS EN 849 : 96 AMD 2 2001 | Identical |
| DIN EN 849:1999-06 | Identical |
| UNE EN 849 : 1997 A2 2002 | Identical |
| UNE-EN 849:1997 | Equivalent |
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