SELECTION AND APPLICATION OF POLYTETRAFLUOROETHYLENE (PTFE AND TFE) BACKUP RINGS FOR HYDRAULIC AND PNEUMATIC FLUID POWER APPLICATIONS

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

29-12-2014

Publisher

SAE International

1. SCOPE
2. REFERENCES
3. BACKUP RING FUNCTION AND USE
4. BACKUP RING CONFIGURATIONS
5. CONTINUOUS (UNCUT) BACKUP RINGS
6. SINGLE TURN BACKUP RINGS
7. SPIRAL-CUT BACKUP RINGS
8. BACKUP RING MATERIAL SELECTION
9. NOTES

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.

Committee	A-6C2
DocumentType	Revision
Pages	9
PublisherName	SAE International
Status	Current
Supersedes	SAE ARP 1802 : 1992

SAE AS 4716 : 2011	GLAND DESIGN, O-RING AND OTHER SEALS
SAE AS 5860 : 2014	RETAINERS, (BACK-UP RINGS), HYDRAULIC AND PNEUMATIC, POLYTETRAFLUOROETHYLENE RESIN, SINGLE TURN, STATIC GLAND
SAE AS 5781 : 2015	RETAINERS (BACKUP RINGS), HYDRAULIC AND PNEUMATIC, POLYTETRAFLUOROETHYLENE RESIN, SINGLE TURN, SCARF-CUT, FOR USE IN AS4716 GLANDS
SAE AS 5782 : 2015	RETAINERS (BACKUP RINGS), HYDRAULIC AND PNEUMATIC, POLYTETRAFLUOROETHYLENE RESIN, SOLID, UN-CUT, FOR USE IN AS4716 GLANDS
SAE AS 5440 : 2011	HYDRAULIC SYSTEMS, AIRCRAFT, DESIGN AND INSTALLATION REQUIREMENTS FOR
SAE AMS 3678 : 2016	POLYTETRAFLUOROETHYLENE (PTFE) MOLDINGS AND EXTRUSIONS, UNFILLED, PIGMENTED, AND FILLED
SAE AS 5857 : 2010	GLAND DESIGN, O-RING AND OTHER ELASTOMERIC SEALS, STATIC APPLICATIONS
MS33566 Revision B:1975	FITTING, INSTALLATION OF FLARELESS TUBE, STRAIGHT THREADED CONNECTOR
MS28773 Revision A:2005	RETAINER, PACKING, BACK-UP, TETRAFLUOROETHYLENE, STRAIGHT THREAD TUBE FITTING BOSS
MIL-G-5514 Revision G:1993	GLAND DESIGN, PACKINGS, HYDRAULIC GENERAL REQUIREMENTS FOR
SAE AIR1186A:1979(S2011)	INSTALLATION AND USE OF EQUILATERAL TRIANGLE CROSS-SECTION HYDRAULIC O-RING SEAL BACKUP RINGS (DYNA-BAKS)
SAE AS 33566 : 2013	FITTINGS, INSTALLATION OF FLARELESS TUBE, STRAIGHT-THREADED CONNECTORS
MS21344 Revision A:2016	FITTING INSTALLATION OF FLARED TUBE STRAIGHT THREADED CONNECTORS DESIGN STANDARD FOR
SAE AS 5861 : 2015	RETAINERS, (BACK-UP RINGS), HYDRAULIC AND PNEUMATIC, POLYTETRAFLUOROETHYLENE RESIN, SOLID, STATIC GLAND