Bengal designs and manufactures a comprehensive range of engineered metallic expansion joints, from standard single-bellows elements to advanced pressure-balanced assemblies, custom-engineered to meet the unique thermal movement, pressure, vibration, and misalignment requirements of piping and ducting systems across diverse industrial applications.
Bengal Single Expansion Joints are engineered to accommodate axial movement and limited lateral and angular deflections caused by thermal expansion, vibration, and system movement. Featuring a precision-formed metallic bellows with end connections, they help minimize stresses on piping systems and connected equipment while ensuring reliable, long-term performance.
Bengal Universal Expansion Joints are designed with two metallic bellows connected by an intermediate spool to accommodate significant lateral movement while maintaining excellent flexibility. This configuration effectively absorbs thermal expansion, vibration, and angular deflection, minimizes stresses on piping systems, and delivers superior reliability and extended service life in demanding industrial applications.
Bengal Hinged Expansion Joints are engineered to accommodate angular movement in a single plane while restraining pressure thrust. Featuring a metallic bellows with integrated hinge hardware, they provide controlled flexibility, reduce stresses on piping systems, and ensure reliable performance in demanding industrial applications.
Bengal Gimbal Expansion Joints are engineered to accommodate angular movement in multiple planes while effectively restraining pressure thrust. The assembly consists of a precision-engineered metallic bellows supported by two pairs of hinges connected to a common gimbal ring, allowing controlled angular rotation in any direction.
Designed for demanding industrial applications, our gimbal expansion joints provide excellent flexibility, reliability, and long service life. Bengal’s in-house engineering capabilities include the design and analysis of gimbal rings, hinge assemblies, and pins, ensuring optimum structural integrity and dependable performance under critical operating conditions.
Bengal Pressure Balanced Expansion Joints are engineered to accommodate axial and lateral movements while effectively eliminating pressure thrust loads on piping systems and connected equipment.
The assembly incorporates a balancing bellows subjected to the same internal line pressure as the primary bellows, generating an equal and opposing force that neutralizes pressure thrust. This design minimizes anchor loads, protects critical equipment, enhances system stability, and ensures reliable, long-term performance in demanding industrial applications.
These expansion joints are specifically designed to accommodate axial movement without transmitting pressure thrust to the system anchors.
This is achieved by incorporating a balancing bellows and an interconnecting tie device between the line bellows and the outboard balancing bellows. Both bellows are subjected to the same internal line pressure, allowing the balancing bellows to generate an equal and opposing force that effectively neutralizes pressure thrust. The result is reduced anchor loading, improved piping system stability, and enhanced operational reliability.
Bengal Rectangular Fabric Bellows are specifically engineered for rectangular ducting systems to accommodate thermal expansion, axial, lateral, and angular movements while effectively absorbing vibration and compensating for installation misalignment.
Designed for high-temperature gas and air handling applications, the multi-layer fabric construction provides excellent flexibility, low reaction forces, and reliable leak-tight performance. Each fabric bellows is custom-engineered using carefully selected insulation and sealing materials to withstand demanding operating conditions, ensuring long service life and dependable performance in power plants, steel plants, cement plants, chemical processing facilities, and other industrial applications.
From standard designs to fully customized solutions, Bengal delivers expansion joints engineered for maximum reliability, operational safety, and extended service life in the world’s most demanding industrial environments.
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