| Design on Fire Proof Polytetrafluoroethylene Hose Assembly |
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| DOI： |
| Key Words: polytetrafluoroethylene；hose；metal joint；crimping mould；fire proof |
| Author Name | Affiliation | | ZHANG Liang | Shenyang Rubber Research & Design Institute Co. ，Ltd | | HAN Libin | Air Force Military Representative Office in Shenyang |
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| Abstract: |
| 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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