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H₂ Cylinder Hydrostatic Test System

H₂ Cylinder Hydrostatic Test System

H₂ Cylinder Hydrostatic Test System

Developed independently by HiFluid Industrial, the Hydrogen Cylinder Hydrostatic Test System fully supports both the internal measurement method and external measurement method required for on-board hydrogen cylinder testing, with test pressures up to ≥ 105 MPa.

The system complies with international standards including GTR13, ECE R134, SAE J2579, ISO 19881, and ANSI/CSA HGV 2. As a core testing solution for ensuring the safety and regulatory compliance of high-pressure hydrogen storage vessels, the system applies precisely controlled hydrostatic pressure and utilizes a high-accuracy volumetric measurement system to perform periodic inspections and factory acceptance tests for Type III and Type IV hydrogen cylinders used in fuel cell vehicles, hydrogen storage, and hydrogen distribution applications.

Through overpressure testing, this system provides a comprehensive verification of the cylinder’s overall strength, sealing performance, and structural integrity. During the test, the system precisely measures the volumetric expansion of the cylinder—an essential criterion for evaluating whether the filament-wound layer has experienced irreversible damage or whether the liner has undergone plastic deformation.

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· Strict Adherence to the International “Water as Test Medium” Standard: leveraging the extremely low compressibility of water, the system minimizes the energy released even in the event of a burst, achieving inherent safety in high-risk testing scenarios.

· Integrated Intelligent Multi-layer Safety Protection: equipped with automatic overpressure alarm and relief, electrical interlocks, remote control capability, and multiple hardware/software safety barriers to ensure all risks remain fully controlled within a safe operating envelope.

· High-precision Volumetric Measurement System: capable of accurately detecting the cylinder’s elastic deformation and permanent residual deformation under high pressure.

· Fully Automated Testing Workflow: from water filling and air purging, pressurization, pressure holding, depressurization, to data acquisition, all steps can be executed automatically with a single command, greatly reducing human error.

· Automatic Data Recording and Compliant Reporting: test data are automatically logged, stored, and compiled into standardized electronic reports. All records are tamper-proof, supporting full lifecycle quality traceability and the stringent review requirements of certification bodies.

· Type testing and factory acceptance testing of hydrogen cylinders during R&D and production to verify compliance with applicable technical standards.

· Periodic in-service inspection of various gas cylinders and pressure vessels. By measuring high-precision volumetric expansion, the system evaluates whether the cylinder can continue to operate safely, effectively preventing potential failures caused by accumulated fatigue.

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