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TeguflexÒ FFL

Product catalog summary

Overview: The document provides technical specifications and applications for Teguflex® FFL expansion joints, manufactured by Trelleborg. These joints are designed for use in various industrial systems, including cooling water systems, power plants, and pressurized pipe systems.

Specifications: The expansion joints are available in sizes ranging from DN 500 to DN 2600. They are constructed with different materials based on application needs, including EPDM, Nitrile, and Hypalon for the inner tube, and EPDM or Chloroprene for the outer cover. The maximum operating temperature is 90°C, with a maximum working pressure of 10 bar and a burst pressure exceeding 30 bar.

Applications: These joints are suitable for absorbing movements, oscillations, noises, and vibrations in systems such as power plants, gas and drinking-water supply lines, condensers, pumps, turbines, and boilers. They accommodate large extensions in axial, lateral, or angular directions.

Design: The joints feature a rubber bellow with high convolution for flexibility and steel backing flanges with a supporting collar to ensure smooth movement. Optional vacuum rings are available for enhanced performance.

Pressure Rating Types:

Type U: Standard unit for axial, lateral, and angular movements.
Type L: Unit with tie bars for lateral movements.
Type A: Unit with hinges for angular movements in one plane.

Dimensions and Movements: The document provides detailed permissible movements and maximum vacuum ratings for each size, emphasizing that maximum values do not apply simultaneously.

Flange Qualities: Standard design uses RST 37-2 with rust-resisting primer coating. Other materials and surface treatments are available upon request.

Certifications: The product complies with ISO 9001 and ISO 14001 standards.

Contact Information: Trelleborg IESA, s.a., located in Izarra, Spain, provides contact details for further inquiries.