Flanges

Tube, pipe, fittings and flanges

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Alleima flange solutions are easy to assemble, disassemble and maintain, providing a reliable connecting for pipes, valves, pumps and other equipment. Designed to withstand high stress and manufactured to standardized dimensions, our ASTM/ASME and EN flanges, made if various stainless steels, help ensure safe and durable structural integrity of your piping systems.

Our program also includes a wide range of fittings as well as Alleima Coupling L, a low-weight alternative to traditional flange connections that facilitates rapid opening and closing and requires less space. Flanges are no afterthought for us. As a leading manufacturer of high-performance alloys in tube, pipe and bar, we understand their critical role in ensuring system integrity and facilitating ease of maintenance.

Some of the key objectives we strive to safeguard, for your sake are:

  • Ease of maintenance and repair: Our flanges provide easy access to piping systems for maintenance, inspection and repair without the need for cutting. This is especially important in the energy sector where frequent checks and maintenance are essential to prevent leaks and corrosion.
    Leak prevention: We ensure strong and secure connection using bolts, gaskets, and proper sealing, to minimize the risk of leaks, even under high pressure or extreme temperatures.
  • Modular design: Our flanges support modular construction, meaning sections of piping systems can be easily replaced, added, or removed. This modularity provides flexibility in system design, making it easier for you to expand or modify installations without extensive rework.
  • Withstanding high stress: Designed to handle the demands of the oil and gas, chemical processing, and petrochemical applications, our flanges can endure the high pressures and stresses associated with the transport of liquids, gases, and other materials.
  • Compatibility with various components: Our flanges enable seamless connection with valves, pumps and other critical machinery. Standardized flange dimensions (ASME, ANSI, EN) ensure compatibility with a wide range of components and manufacturers.

Typical steel materials used are:

  • Austenitic stainless steels: ASTM 304/304L and ASTM 316/316L
  • Duplex stainless steel: SAF™ 2205 / UNS S31803 / EN 1.4462
  • Super-duplex stainless steel: SAF™ 2507 / UNS S32750 / EN 1.4410

The Alleima portfolio also includes a wide range of flanges according to EN as well as an extensive range of fittings.

Our portfolio is grouped into two parts:

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