| Customization: | Available |
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| After-sales Service: | Online Service Support |
| Warranty: | 1 Year |
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Auyan is committed to the application of natural gas and hydrogen-related clean energy. Business scope covers the manufacturing of low-temperature equipment and intelligent gas supply for new energy vehicles.
The hydrogen fuel cell is a device that directly converts the chemical energy of hydrogen into electrical energy. It has the advantages of high efficiency, environmental protection, lightweight and low noise, and has become an important direction for the development of new energy vehicles. High-pressure container hydrogen storage has become the main onboard hydrogen storage method for hydrogen fuel cell vehicles due to its simple structure, high hydrogen storage density, and fast filling and discharge speed. On-board hydrogen cylinders are the main hydrogen carrying equipment on hydrogen fuel cell vehicles.
| design pressure | 1.2MPa |
| test pressure | 2.4MPa |
| Nominal volume | 1000L |
| Effective volume | 900L |
| set temperature | -253ºC-80ºC Liner material 316L |
| Insulation type | High vacuum variable density multi-layer insulation + multi-layer cold screen outer bladder material 304 |
| storage medium | Liquid hydrogen (LH2) |
| static evaporation rate | ≤1% |
| Overall leak rate | ≤1.0*10-8Pa.m^3/s |
| Leakage rate | ≤1.0*10-9Pa.m^3/s |
| degree of vacuum | ≤1.0-3pa |
| empty weight | 650kg |
| full weight | 713kg |
| filling weight | 63kg |
| pipeline | vacuum line |
Packing with wooden box and shipping method can be negotiated.
Established in June 2011, located in Weifang City, Shandong Province, Shandong AUYAN New Energy Technology Co., Ltd. is an innovative enterprise specialized in manufacturing cryogenic equipment and providing technical service.
The main products are industrial welded insulated cylinders, vehicles intelligent LNG cylinders, small-sized LNG supplying systems, and biological liquid nitrogen tanks. AUYAN is one of the leaders in the Chinese new energy industry.
Abides by the core values of "Respect, Unity, Integrity, Innovation" and takes "building the company to be a happiness platform with all staff, to create, share and realize the ideal of life, And contributing to social development and human progress'' for the mission, AUYAN continues breaking through and innovating, insists on sustainable development, determines to become the leader in global new energy revolutionary.
If you have questions about AUYAN® products, here's where you can find the answers. If you don't find the answer to your question here, please contact us by telephone or email.
Q: Application of insulated welded cylinders (Dewars)?
A: AUYAN supplies dewars to safely contain liquefied gases such as nitrogen, oxygen, argon, and carbon dioxide, which are for industry and commerce use. These gases are stored at extremely low temperatures and in a liquid state.
Q: How many different specifications of insulated welded cylinders (Dewars) does AUYAN have?
A:We produce Insulated Welded Cylinders (Dewars) with 6 different specifications: 175 L (Net Capacity 161 L, 67 kg*), 195 L (Net Capacity 179 L, 75 kg*), 210 L (Net Capacity 193 L, 81 kg*), 410 L (Net Capacity 377 L, 158 kg*), 450 L (Net Capacity 414 L, 173 kg*), 499 L (Net Capacity 459 L, 192 kg*)
*The weights above are counted under the circumstance that the density of the cryogenic liquid is 0.42 kg/L.
Q: What is the ideal working pressure of the LNG Vehicle cylinder?
A: The ideal working pressure is 0.8 Mpa - 1.2 Mpa, while the nominal working pressure is 1.59 Mpa.
Q: What is the warranty of your Products?
A: The warranty for the vacuum of equipment is 3 years from the date of sale.
All components come with a limited 1-year manufacturer warranty on defects in material or workmanship from the date of purchase to the original owner.
Q: What trade terms can you apply in the contract?
A: EXW, FOB, and CIF are the regular terms we use.
Q: What are some methods of payment?
A: T/T, L/C, as well as Paypal are supported.
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