SAE AS5781C-AS4716压盖用单圈聚四氟乙烯树脂斜切液压和气动挡圈（支承环）-国家数字标准馆

现行 SAE AS5781C

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Retainers (Backup Rings), Hydraulic and Pneumatic, Polytetrafluoroethylene Resin, Single Turn, Scarf-Cut, For Use in AS4716 Glands AS4716压盖用单圈聚四氟乙烯树脂斜切液压和气动挡圈（支承环）

发布日期： 2021-12-13

根据AS4716，本SAE航空航天标准（AS）规定了密封压盖中使用的斜切聚四氟乙烯（PTFE）夹持器（支承环）。它们通常用于液压和气动系统部件中，作为防挤压装置，与O形圈和其他密封件一起用于静态和动态应用。注:本规范包括材料试验，但不包括液压或气动性能试验。

This SAE Aerospace Standard (AS) specifies scarf-cut polytetrafluoroethylene (PTFE) retainers (backup rings) for use in glands in accordance with AS4716. They are usually used in hydraulic and pneumatic system components as anti-extrusion devices in conjunction with O-rings and other seals for static and dynamic applications.NOTE: This specification includes material tests but does not include hydraulic or pneumatic performance tests.