| 摘要 |
<p>A sealing element, particularly for control valves comprises a braided band having an elastic care (2) and lubricated sleeve (3) made of different materials. Preferably the core (2) is braided PTFE-impregnated yarns of carbon-fibre and the sleeve (2) braided PTFE-impregnated and lubricated yarns of PTFE. <IMAGE></p> |
