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ISO 15996:2017 Gas cylinders - Residual pressure valves - Specification and type testing of cylinder valves incorporating residual pressure devices >
ISO 15996:2017 Gas cylinders - Residual pressure valves - Specification and type testing of cylinder valves incorporating residual pressure devices, 2017
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 RPV design considerations and requirements
- 4.1 Design considerations
- 4.1.1 Resistance against vibration
- 4.1.2 Integrity under high flow
- 4.2 Design requirements
- 4.2.1 General
- 4.2.2 Valve outlet connection
- 4.3 Performance requirements for RPDs
- 4.3.1 Requirements for type 1 and type 2 RPDs
- 4.3.2 Additional requirements for type 1 RPDs
- 5 RPV type testing
- 5.1 General
- 5.2 Documentation
- 5.3 Test samples
- 5.4 Test report
- 5.5 Test temperatures
- 5.6 Test pressures
- 5.6.1 RPV test pressure
- 5.6.2 Other test pressures
- 5.7 Test gases
- 5.7.1 Gas quality
- 5.7.2 Verification of opening pressure and closing-off pressure
- 5.7.3 Leak tightness test in the reverse direction for type 1 RPDs
- 5.7.4 Endurance test
- 5.7.5 Oxygen pressure surge test
- 5.7.6 Vibration test
- 5.7.7 Integrity under high flow test
- 5.8 Test schedule
- 5.9 RPD performance tests
- 5.9.1 Strength test of the non-return function in the reverse direction for type 1 RPDs
- 5.9.2 Verification of opening pressure and closing-off pressure
- 5.9.3 Endurance test
- 5.9.4 Leak tightness test in the reverse direction for type 1 RPDs
- 5.9.5 Visual examination
- 6 Marking
- Annex A (informative) Design considerations
- Annex B (normative) Oxygen pressure surge test
- Annex C (informative) Vibration test
- Annex D (informative) Integrity under high flow test
- Annex E (informative) Examples of test equipment
- Bibliography [Go to Page]