| 防火聚四氟乙烯软管组件的设计 |
| Design on Fire Proof Polytetrafluoroethylene Hose Assembly |
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| DOI： |
| 中文关键词: 聚四氟乙烯 软管 金属接头 扣压模具 防火性 |
| 英文关键词: polytetrafluoroethylene hose metal joint crimping mould fire proof |
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| 中文摘要: |
| 设计防火聚四氟乙烯软管组件。四氟乙烯内管由两部分组成，内层掺用一定比例的导电炭黑，而外层则为纯四氟乙烯材料；金属接头采用倒刺式与多槽式复合结构；防火设计采用聚四氟乙烯软管外覆防火硅橡胶套管的形式；扣压模具设计为八瓣式。通过优化设计，提升了软管组件耐压、耐高低温、防静电、防火等性能，能够满足不同系统的使用需求。 |
| 英文摘要: |
| Fire proofing polytetrafluoroethylene（PTFE）hose assembly was designed. The inner PTFE tube consisted of two layers：the inner layer compound was filled with a certain proportion of conductive carbon black，and the outer layer was made of pure PTFE material. The metal joint had a complex construction of barbed structure and multiple groove structure. The fire proof design was a fire proof silicone jacket which covered the inner PTFE tube. The pressing die was designed with eight-valve structure. With this design，the pressure resistance，high and low temperature resistance，antistatic property，and fire proof property were excellent，and the product could meet the requirements of different systems. |
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