A Stainless Steel Expansion Joint is a flexible metallic connector designed to absorb axial, lateral, and angular movement in piping systems caused by thermal expansion, vibration, or misalignment.
Made entirely from stainless steel, it offers high strength, corrosion resistance, and temperature capability for demanding industrial applications.
Bellows
Formed from thin-gauge stainless steel (SS304, SS316, or SS321) using hydraulic or roll-forming methods.
Multiple convolutions provide flexibility while maintaining pressure capacity.
End Fittings
Flanged, welded, grooved, or threaded ends according to installation requirements.
Flanges available in ANSI, DIN, JIS, or BS drilling standards.
Reinforcement (Optional)
Internal liners to reduce turbulence and protect bellows from media flow.
External covers for mechanical protection.
Accessories
Control rods or tie rods to limit movement and absorb pressure thrust.
Size Range: DN25 (1") to DN3000 (120") or custom.
Pressure Ratings: Vacuum to PN40 (higher ratings on request).
Temperature Range: –196 °C to +800 °C depending on stainless steel grade.
Movement Capability:
Axial Compression: up to 50 mm
Axial Elongation: up to 30 mm
Lateral Deflection: up to 25 mm
Angular Deflection: up to 15°
Power Generation – steam lines, boiler connections, turbine piping.
Petrochemical & Refining – high-temperature and high-pressure process lines.
HVAC & District Heating – thermal expansion compensation in large pipelines.
Marine & Offshore – engine exhausts, seawater cooling systems.
Cryogenic Services – LNG and liquid nitrogen transfer lines.
All-metal design – withstands extreme temperatures and pressures.
Corrosion-resistant – suitable for aggressive environments.
Long service life – fatigue-resistant design for cyclic movements.
Customizable – size, movement range, and end connections can be tailored.
Low maintenance – no lubrication or special servicing needed.
