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Seals and bearings in Helicopter Landing Gear needs to be simple and reliable, but also robust enough to cope with shock loads at hard landings. Trelleborg Sealing Solutions Aerospace can deliver seals and bearings that meet these requirements.
Turel® Square Ring & Back-up Rings
The Turel® Square Ring, together with Back-up Rings has been specially developed for use in low temperature landing gear applications.
Static seal for extreme conditions
Effective sealing at temperatures as low as -60°C / -76°F
High tolerance for hardware movements
The Turcon® Wedgpak® consists of a triangular elastomer supported by two delta shaped Back-up Rings.
Turcon® Wedgpak® has reduced, yet effective elastomer contact, for positive sealing at all temperatures
Turcon® Wedgpak® has two triangular Back-up rings offering optimum extrusion resistance even at high pressure shocks
Polymeric composite bearings with a polyester base matrix and one or more layers of cloth for reinforcement.
“Soft” wear particles protect sealing system from damage
Load capacity exceeds traditional metal bearings
High tolerance to overloading (Shock loads)
Fully compatible with red oil types
Proven performance as LDG bearing (A320, A350)
Turcon® VL Seal
The combination of the Turcon® VL Seal and the Turcon® Excluder DC is a proven sealing solution for many helicopter MRA and TRA applications, as well as MRD and TRDs.
Unique back-pumping sealing system actively prevents external leakage
Well lubricated seals allow over 30,000 landings with one set of seals
Range of excluders and scrapers, suitable for most groove standards, effectively scrape water, ice and dirt
Market leading Turcon® PTFE materials
Turcon® Excluder DC
Turcon® Excluder DC is a well proved double-acting excluder.
Unique design with an O-Ring energizer
Fits AS4716 glands
Works upstream as a secondary seal
Ice scraping capability
Wheel and Brake
Trelleborg Sealing Solutions has a full suite of seals and other products for aircraft wheels and brakes, such as brake seals and scrapers, metering pin seals, bearing grease retainers, static seals and shrouds.
Bearing grease dams
Bespoke designs to suit specific wheel geometries.
Unique Trelleborg Sealing Solutions design to meet customer specifications
Effectively retains wheel bearing grease
Materials compatible with all engine oils and fuels