Engineered to accommodate thermal expansion and contraction, Ocelflex’ exhaust steel expansion joints provide essential flexibility in both industrial piping and exhaust systems. These critical components withstand extreme thermal cycles, mechanical vibration, and fluctuating pressures while operating at elevated temperatures.

Ocelflex manufactures specialized exhaust expansion joints tailored for demanding applications across multiple sectors: power generation facilities, diesel engine systems, petrochemical refineries, aerospace installations, and marine propulsion and exhaust units. Each design addresses the unique operational challenges present in these environments.

Our exhaust metal expansion joint design incorporates optimized spring rates that balance flexibility with structural integrity. Ocelflex’ engineering approach effectively absorbs thermal movement, dampens vibration, and manages pressure fluctuations without compromising durability. When strategically integrated into rigid ducting networks, these joints prevent transmission of potentially damaging mechanical forces from engine components to the connected exhaust infrastructure.

Ocelflex designs exhaust expansion joints with integrated inner sleeves specifically for high-flow velocity applications. These internal sleeves not only protect the thin walled bellows from abrasive particulate damage but also help reduce turbulence across the convolution profile, enhancing performance and durability. These can be single or dual depending upon the application.

Our product range includes two distinct configurations. The single-bellows design primarily accommodates axial movement while allowing limited lateral flexibility. For applications demanding axial displacement beyond the capacity of a single bellows, our double expansion joint technology provides an enhanced solution, ensuring reliable performance under more extreme conditions.

When developing OEM exhaust systems, we evaluate all critical operational parameters, including engine firing frequencies at various RPMs, exhaust gas pulsation patterns under different pressures, and vibration signatures from auxiliary equipment. This data informs precise bellow design decisions regarding material selection, convolution dimensions (noc, pitch, height), installation orientation, flow characteristics, and internal pressure conditions. This ensures adequate separation between the natural frequency of the bellows assembly, the operational frequencies within the exhaust system, and their harmonic multiples—effectively preventing resonance-related failures while maximizing the lifespan of our metal expansion joints.