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Liquid helium infusion rod is used for liquid helium transmission between liquid helium dewar tank and helium-using equipment. Typical helium-using equipment include nuclear magnetic resonance, superconducting magnet, cryostat, etc. Nuclear magnetic resonance and superconducting magnet equipment require large flow of liquid helium transmission to fill the helium container in the shortest possible time. The required infusion pipe has a large diameter and the requirement for heat leakage of the infusion pipe is not high. For continuous flow cryostat, an uninterrupted small flow of liquid helium is required. The requirements for the heat leakage, transmission efficiency and flow regulation of the infusion rod are high.
| ● Ultra-low heat leakage, vacuum insulation + multi-layer insulation film design; | ● Built-in adsorbent, can maintain vacuum for a long time; | ● With filter to prevent particle blockage; |
| ● Flow control, with flow control valve, can adjust liquid helium flow at any time; | ● Flexible bellows, effective vibration isolation; | ● Compatible with liquid helium transmission |
| Specification | Flexible part length（mm） | L1（mm) | OD1(mm) | L2(mm) | OD2(mm) |
| Ⅰ | 2000 | custom made | 12.7 | 1500 | 12.7 |
| Ⅱ | 2000 | custom made | 9.5 | 1500 | 12.7 |
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