Recently, the first domestic vehicle hydrogen valve hydrogen cycle test device independently designed and developed by the Hydrogen Energy Laboratory of the Gas Cylinder Test Center of Dalian Boiler and Pressure Vessel Inspection and Testing Research Institute Co., Ltd. was successfully debugged and began official operation, providing hydrogen valve manufacturing companies at home and abroad. A complete set of automotive hydrogen valve testing services including hydrogen cycle testing.

　　The successful design and development of the hydrogen cycle test device has filled the gap in the testing capabilities of domestic testing institutions, solved the problem of hydrogen-related testing of automotive hydrogen valves, and provided the necessary testing platform for the quality improvement of automotive hydrogen valves, which will help The safe and healthy development of hydrogen fuel cell vehicles in my country.

　　The vehicle hydrogen valve is an important component in the hydrogen supply system of hydrogen fuel cell vehicles. It has a complex structure and high integration. It usually consists of a one-way valve, a manual/automatic stop valve, a relief valve and a temperature-driven safety pressure relief device. It is understood that the hydrogen cycle test device is a special test device independently developed by the scientific research team of the test center. It is an important scientific research achievement achieved by the team's many years of hard work.

　　The hydrogen cycle test device is mainly used for hydrogen cycle tests of vehicle hydrogen bottle mouth valves and TPRD tail valves, extreme temperature and pressure cycle tests, etc. After testing, the performance of this device can fully meet the requirements of the GB/T35544 national standard, and can also meet the requirements of relevant United Nations specifications and standards.

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