| 摘要 |
<p>The invention relates to sealing and damping disks comprised within the valves of alternating movement gas compressors. According to the invention, the disks are made of a thermoresistant material, comprising 30 % glass fibers and 15 % polytetrafluoroethylene, and they are provided with a centering hole (1) two guiding holes (2), by means of which they are protected against rotation, and also with some grooves (3) shaped as circular arcs, concentrically arranged with the centering hole (1), separated from one another by some connection bridges (4), such that the surface for the gas passage represents 20 % of the disk surface.</p> |
