Selection and Application of Polytetrafluoroethylene (PTFE and TFE) Backup Rings for Hydraulic and Pneumatic Fluid Power Applications
ARP1802B
This SAE Aerospace Recommended Practice (ARP) provides an overview of the various types of polytetrafluoroethylene (PTFE and TFE) back up rings for hydraulic and pneumatic fluid power applications, including their advantages and disadvantages.
Rationale:
This document has been revised to reflect the changes to the backup ring standards used as a consequence of the Inactive for New Design of MIL-G-5514 and the introduction of AS4716 and AS5857.
Related Topics:
Forming
Assembling
Extrusion
Hydraulic fluids
Military aircraft
Fastening
Hydraulic systems
Seals and gaskets
Pistons
Pressure
Also known as: SAE ARP 1802
SAE MOBILUS
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