The properties of filled polytetrafluoroethylene (PTFE) composites are introduced in detail. Its applications in hydraulic and pneumaticseal are presented.
本文介绍了填充聚四氟乙烯复合材料的性能，简要介绍填充聚四氟乙烯复合材料在液压气动密封方面的应用。
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The chief products include: Bellows seal globe valve, Free-float steam trap, Pilot pressure reducing valve, Pneumatic control valve, Self-acting temperature-sensing valve, Cyclone separator etc.
The utility model provides a pneumatic conveying device, which includes a cylinder body, a piston rod, a piston seal, air storage Chambers on two sides, a reverser, and each inside passage.