Pressure vessels for human occupancy (PVHO) – Multi-place pressure chamber systems for hyperbaric therapy – Performance, safety requirements and testing
DIN EN 14931:2006-08 (E)
Pressure vessels for human occupancy (PVHO) – Multi-place pressure chamber
systems for hyperbaric therapy – Performance, safet y requirements and testing
Contents Page
Foreword ……………………………………………………………………………………………………………………………………….3
Introduction ……………………………………………………………………………………………………………………………………4
1 Scope ……………………………………………………………………………………………………………………………..5
2 Normative references ……………………………………………………………………………………………………..5
3 Terms and definitions ……………………………………………………………………………………………………..5
4 Performance, safety requirements and testing …………………………………………………………………6
4.1 General …………………………………………………………………………………………………………………………..6
4.2 General requirements common to ante chamber and main chamber ………………………………..7
4.3 Main chamber requirements ………………………………………………………………………………………….12
4.4 Ante chamber requirements ………………………………………………………………………………………….14
4.5 Control console …………………………………………………………………………………………………………….15
4.6 Compressed air supply system ……………………………………………………………………………………..18
4.7 Treatment gas supply ……………………………………………………………………………………………………19
4.8 Communications …………………………………………………………………………………………………………..22
4.9 Emergency power supply ………………………………………………………………………………………………22
5 Operating instructions …………………………………………………………………………………………………..23
6 Marking …………………………………………………………………………………………………………………………24
Annex A (normative) Adaptor set for compression chambers ………………………………………………………..25
A.1 General …………………………………………………………………………………………………………………………25
A.2 Standard connections or adaptor set required for the interchangeability of compression
chambers ……………………………………………………………………………………………………………………..25
A.3 Adaptor set female coupling (locking ring) …………………………………………………………………….26
A.4 Adaptor set male coupling (reducing ring) …………………………………………………………………….27
A.5 Basic dimensions for a treatment chamber to allow mating with a transport chamber …….28
A.6 Basic dimensions for a transport chamber to allow mating with a treatment chamber …….29
Annex B (informative) Recommendations for medical devices used in hyperbaric chamber
systems ………………………………………………………………………………………………………………………..30
B.1 General …………………………………………………………………………………………………………………………30
B.2 Pressure ……………………………………………………………………………………………………………………….30
B.3 Oxygen …………………………………………………………………………………………………………………………31
B.4 Electricity ……………………………………………………………………………………………………………………..32
B.5 Typical medical equipment which may be required for critical care ………………………………..33
Annex ZA (informative) Relationship between this European Standard and the Essential
Requirements of EU Directive 93/42/EC …………………………………………………………………………36
Bibliography …………………………………………………………………………………………………………………………………39