ISO 19882:2025-02

Gasförmiger Wasserstoff - Thermisch auslösende Druckmindereinrichtungen für Fahrzeugtanks für verdichteten Wasserstoff

Englischer Titel: Gaseous hydrogen - Thermally activated pressure relief devices for compressed hydrogen vehicle fuel containers
Ausgabedatum: 2025-02
Originalsprachen: Englisch
Seiten: 31

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Ausgabedatum: 2025-02
Originalsprachen: Englisch
Seiten: 31

Produktinformationen auf dieser Seite:

Inhaltsverzeichnis
ICS
Ersatzvermerk
Normen mitgestalten

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Inhaltsverzeichnis

Inhalt (en)

Foreword
Introduction
Scope
Normative references
Terms and definitions
Service conditions
- General
- Design service life
- Nominal working pressure
- Durability test cycles
- Temperature range
Quality assurance
General requirements
- Material requirements
  - General
  - Metallic materials
  - Non-metallic materials
- Design requirements
- Flow capacity
- Failure modes and effects analysis (FMEA)
Design qualification testing
- Test requirements
  - General
  - Test gases
- Pressure cycling
  - Sampling
  - Procedure
  - Acceptable results
- Accelerated life
  - Sampling
  - Procedure
  - Acceptable results
- Thermal cycling
  - Sampling
  - Procedure
  - Acceptable results
- Accelerated cyclic corrosion
  - Sampling
  - Procedure
  - Acceptable results
- Automotive fluids exposure
  - Sampling
  - Procedure
  - Acceptable results
- Atmospheric exposure
  - General
  - Oxygen aging
  - Ozone
- Stress corrosion cracking resistance
  - Sampling
  - Procedure
  - Acceptable results
- Impact due to drop and vibration
  - Impact due to drop
  - Vibration
- Leakage
  - Sampling
  - Procedure
  - Acceptable results
- Bench top activation
  - Direct-acting TPRD
  - Pilot-activated PRDs
- Flow capacity
  - Sampling
  - Procedure
  - Acceptable results
- High pressure activation and flow
  - Sampling
  - Procedure
  - Acceptable results
- Excess torque resistance
  - Sampling
  - Procedure
  - Acceptable results
- Hydrostatic strength
  - Sampling
  - Procedure
  - Acceptable results
- Water jet protection
  - Sampling
  - Procedure
  - Acceptable results
Inspection and acceptance testing
- Inspection and acceptance testing plan
- Inspector’s responsibilities
- Inspection of system critical components
- Leak testing
Production batch testing
- General
- Production batch sizes
  - General
  - Fusible materials
  - Pressure relief devices
- Pressure relief device components
- Pressure cycle verification
  - General
  - Procedure
  - Acceptable results
- Bench top activation
  - General
  - Procedure
  - Acceptable results
Marking
- Required information
- Marking methods
Component literature
- General
- Component literature recommendations for pilot-activated PRD valves
Subsystem and vehicle level considerations (informative)
- Purpose
- Design service life
- Design nominal working pressure
- External environment
  - Location of pressure relief devices
  - Pressure relief device cautionary labelling
  - Pressure relief device discharge vent and leakage capture systems
- Flow capacity
- In-service conditions
  - Inspection
  - Rework and repair
  - Replacement
  - Reuse and reinstallation
  - Destroyed
Design qualification test rationale (informative)
- Pressure cycling test
- Accelerated life test
- Thermal cycling test
- Accelerated cyclic corrosion test
- Automotive fluid exposure test
- Atmospheric exposure test
- Stress corrosion cracking resistance test
- Impact due to drop and vibration test
- Leakage test
- Benchtop activation test
- Flow capacity test
- High pressure activation and flow test
- Excess torque resistance
- Hydrostatic strength
- Waterjet protection
Bibliography

ICS

27.075, 43.060.40

Ersatzvermerk

Dieses Dokument ersetzt ISO 19882:2018-11 .

Normen mitgestalten

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