RETRANSMISSION Trelleborg Launches Next Generation Turcon(R) VL Seal(R) II for Hydraulic Aircraft Systems

Rhea-AI Summary

Trelleborg Sealing Solutions Aerospace has introduced the Turcon® VL Seal® II, a revolutionary hydraulic seal designed for aircraft flight controls and landing gear. This new seal boasts enhanced efficiency, easier installation, and superior reliability with a 'zero' leakage performance. Developed over five years, it demonstrates doubled back-pumping performance at 3,000 psi and significantly lower leakage. This innovation aims to reduce aircraft weight, improve fuel efficiency, and extend maintenance intervals, meeting advanced aerospace standards.

Positive

• Introduced Turcon® VL Seal® II, enhancing sealing efficiency and reliability.
• Achieved 'zero' leakage performance, extending service life.
• Doubled back-pumping performance up to 3,000 psi.
• Lower leakage by around 4 milliliters over a million cycles.
• Contributes to aircraft weight reduction and fuel efficiency.

Negative

• None.

FORT WAYNE, IN / ACCESSWIRE / February 5, 2021 / Trelleborg Sealing Solutions Aerospace launches the unique and revolutionary Turcon® VL Seal® II for hydraulic sealing of actuators in flight controls and landing gear, and seals in landing gear shock absorbers.

Caption: Hydraulic cylinder containing Trelleborg Sealing Solutions Turcon® VL Seal® II seals

Based on the groundbreaking and well-proven Turcon® VL Seal®, this new generation seal offers enhanced sealing efficiency, easier installation, and even greater reliability. Extensive testing proves its outstanding ‘zero' leakage performance, to extend service life and minimize planned maintenance.

Torben Andersen, Director Aerospace Segment Management, says: "With Turcon® VL Seal® II, Trelleborg Sealing Solutions clearly shows that it is leading the revolution in aircraft hydraulic sealing. The performance of this seal is well beyond other seals on the market.

"During the five year development period, we undertook among other tests, rapid multi-million cycle testing on an advanced test bench that achieves pressure rise rates of up to 360,000 psi per second, and enables accelerated high frequency cycling up to 5 Hz, under maximum pressure or extreme temperature conditions. This enabled us to test potential designs for the improved seal in just weeks rather than months, considerably shortening the proving time, and enabling us to reach the perfect seal design early in the testing phase."

Compared to the Turcon® VL Seal®, which now represents the standard for this type of hydraulic seal, the Turcon® VL Seal® II back-pumping performance more than doubled up to 3,000 psi and nearly doubled at pressures up to 5,000 psi. Accumulative leakage was around 4 milliliters less and significantly lower (around a half) from 1,000,000 to 2,000,000 cycles.

Turcon® VL Seal® II is a unidirectional rod seal for reciprocating movements, consisting of an "L" shaped Turcon® jacket energized by an O-Ring. The innovative design of the seal combines the unique back pumping capability of the Turcon® VL Seal® with new patented features. An angled seal back allows seal width adjustment to service pressure, improving leakage control, while a leading protective front lip safeguards the sealing edge during hardware assembly. In addition, the seal's FEA optimized design improves support for and containment of the O-Ring.

‘Sealed for life' means the seal lasts as long as the actuator itself. In addition, negating the need for drain lines and with a profile that allows smaller hardware design, the seal can make a significant contribution to an aircraft manufacturer's goal of weight reduction and fuel efficiency. Used in a tandem sealing system, flight safety is increased and back pumping enhanced.

Turcon® VL Seal® II is available in a range of Turcon® materials for use in a wide variety of extreme operating conditions. These are combined with O-Ring compounds suitable for use in all hydraulic fluids and service parameters.

Exceeding current aerospace standards for seal performance, Turcon® VL Seal® II is designed for installation in AS4716 O-Ring housing grooves, enabling fitment in place of other O-Ring-energized and Turcon® solutions, including the original Turcon® VL Seal®, Turcon® Plus Seal®, Turcon® Wedgpak® and Turcon® Variseal®, as well as other seal designs for these housing grooves. A metric version is also available.

For further information on the Turcon® VL Seal® II go to www.tss.trelleborg.com or register for the upcoming webinar, Extend the lifetime of hydraulic aircraft systems.

For more information or high-resolution pictures, please contact:
Simone Bundshuh
Tel: +49 (0) 711 7864 580
Email: Simone.bundshuh@trelleborg.com

US Media Contact:
Dawn Fontaine
Tel: 617-536-8887
Email: dawn@rippleeffectpr.com

About Trelleborg Sealing Solutions and Trelleborg Group

Trelleborg Sealing Solutions is one of the world's leading developers, manufacturers and suppliers of precision seals, bearings and custom-molded polymer components. It focuses on meeting the most demanding needs of aerospace, automotive and general industrial customers. Its network extends to over 25 production facilities and more than 50 customer solutions centers globally. The business area accelerates the progress of its customers through outstanding local support, an unrivalled product range including patented products and proprietary materials, a portfolio of established brands, unique process offerings, its ServicePLUS value chain solution and ‘Ease of Doing Business' philosophy.www.tss.trelleborg.com

Trelleborg is a world leader in engineered polymer solutions that seal, damp and protect critical applications in demanding environments. Its innovative solutions accelerate performance for customers in a sustainable way. The Trelleborg Group has annual sales of about SEK 37 billion (EUR 3.46 billion, USD 3.87 billion) and operations in about 50 countries. The Group comprises three business areas: Trelleborg Industrial Solutions, Trelleborg Sealing Solutions and Trelleborg Wheel Systems, and a reporting segment, Businesses Under Development. The Trelleborg share has been listed on the Stock Exchange since 1964 and is listed on Nasdaq Stockholm, Large Cap. www.trelleborg.com

http://www.tss.trelleborg.com

http://www.trelleborg.com

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SOURCE: Trelleborg Sealing Solutions

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FAQ

What is the Turcon® VL Seal® II launched by Trelleborg Sealing Solutions Aerospace?

The Turcon® VL Seal® II is a revolutionary hydraulic seal designed for aircraft systems, offering enhanced sealing efficiency and reliability.

When was the Turcon® VL Seal® II introduced?

The Turcon® VL Seal® II was launched on February 5, 2021.

What benefits does the Turcon® VL Seal® II provide?

It provides zero leakage performance, extended service life, improved back-pumping performance, and contributes to weight reduction and fuel efficiency in aircraft.

What testing was conducted for the Turcon® VL Seal® II?

The seal underwent extensive testing including multi-million cycle tests at pressure rise rates of 360,000 psi per second and high-frequency cycling.

How does the new seal compare to the original Turcon® VL Seal®?

The Turcon® VL Seal® II has more than doubled back-pumping performance and significantly reduced leakage compared to the original Turcon® VL Seal®.