BS EN 738-4:1999:2002 Edition
$102.76
Pressure regulators for use with medical gases – Low-pressure regulators intended for incorporation into medical equipment
| Published By | Publication Date | Number of Pages |
| BSI | 2002 | 24 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | BRITISH STANDARDS |
| 2 | National foreword |
| 4 | Foreword Foreword to amendment A1 Contents |
| 5 | Introduction 1 Scope 2 Normative references |
| 6 | 3 Definitions 3.1 adjustable pressure regulator 3.2 bleed flow 3.3 closure pressure, 3.4 flow characteristic 3.5 hysteresis 3.6 low pressure 3.7 maximum closure pressure, 3.8 maximum discharge, 3.9 preset pressure regulator 3.10 pressure characteristic 3.11 pressure regulator 3.12 rated inlet pressure, 3.13 rated outlet pressure, |
| 7 | 3.14 single fault condition 3.15 single stage pressure regulator 3.16 standard discharge, 3.17 test inlet pressure, 3.18 two stage pressure regulator 4 Symbols and terminology Table 1 5 General requirements 5.1 Safety 5.2 R Alternative construction |
| 8 | 5.3 Materials 5.4 Design requirements |
| 9 | 5.5 Constructional requirements |
| 10 | 6 Test methods 6.1 General 6.2 Test methods for performance, functional and flow characteristics Table 2 |
| 11 | Figure 1 |
| 12 | 6.3 Test method for over�pressure relief 6.4 Test method for leakage 6.5 Test method for bleed flow 6.6 Test method for mechanical strength 6.7 Test method for auto-ignition of sealing materials and lubricants |
| 13 | 6.8 Test method for durability of markings Figure 2 |
| 14 | Figure 3 Figure 4 |
| 15 | Figure 5 |
| 16 | Figure 6 |
| 17 | Figure 7 |
| 18 | 7 Marking and packaging 7.1 Marking 7.2 Packaging 8 Information to be supplied by the manufacturer |
| 19 | Annex A (normative) Special national conditions |
| 20 | Annex B (informative) Example of pressure regulators Figure B.1 Annex C (informative) Bibliography |
| 21 | Annex D (informative) Rationale |
| 22 | Annex ZA (informative) Clauses of this European Standard addressing essential requirements or other provis… Table ZA.1 Correspondence between this European Standard and EU Directives |
