Fabricated Expansion Joints - Flexatherm Expanllow Pvt. Ltd.

Flexatherm specializes in the design and manufacture of high-precision Fabricated Expansion Joints. These are custom-engineered solutions specifically developed for large-scale ducting systems and industrial piping where standard sizes are insufficient. Our fabricated joints are designed to accommodate thermal expansion, structural stress, and mechanical vibrations in low to medium-pressure environments.

Engineering & Construction

Our fabricated joints are built using advanced press brake forming and automated welding processes. Unlike standard molded bellows, these joints are "fabricated" from high-quality metallic plates or sheets, allowing for virtually no size limitations and extreme flexibility in geometry (circular, rectangular, or oval).

Key Features

  • Size Versatility: Manufactured in large diameters and custom dimensions to fit unique site requirements.

  • Material Integrity: Constructed from premium grade Stainless Steel (SS 304, 316L, 321) or specialized alloys to ensure long-term performance.

  • Custom Geometries: Available in various corner configurations, including rounded, single-miter, and double-miter corners for rectangular profiles.

  • Cost-Effective: A highly efficient alternative for low-pressure systems where high-pressure molded bellows are not required.

  • Precision Fit: Designed using in-house software to meet exact EJMA (Expansion Joint Manufacturers Association) standards.

Technical Specifications

  • Shapes: Round, Rectangular, Square, or Oval.

  • Pressure Rating: Optimized for low-pressure applications, flue gas ducts, and exhaust systems.

  • Materials: Carbon Steel, Stainless Steel, and Heat-Resistant Alloys.

  • End Connections: Available with custom flanges, weld ends, or specialized duct attachments.

  • Movement Capacity: Engineered to handle Axial, Lateral, and Angular movements simultaneously.

Industrial Applications

Fabricated Expansion Joints from Flexatherm are essential in sectors involving large-scale airflow and exhaust management:

  • Power Generation: Flue gas desulfurization (FGD) systems and boiler ducting.

  • Steel Plants: Blast furnace gas lines and hot air ducts.

  • Cement Industry: Kiln inlets, outlets, and pre-heater systems.

  • HVAC & Ventilation: Large-scale industrial air handling and exhaust units.

  • Oil & Gas: Low-pressure vapor recovery and stack lines.

The Flexatherm Advantage

  • In-House Design: We utilize high-tech design facilities to provide comprehensive solutions for complex movement ranges.

  • Quality Assurance: Every joint undergoes stringent quality control at each stage, from plate cutting to final welding and testing.

  • Global Approval: Registered and approved vendor for major global entities including Petrofac, SABIC, GE, and Siemens.

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