Seismic Limit Rod Expansion Joints
Seismic limit rod expansion joints absorb mechanical movements caused by earthquakes, ground settlements, and landslides, in addition to standard thermal movement. Limit rods keep the expansion range within an adjusted, controlled limit, protecting piping systems at dilatation points, building junctions, and vessel/boiler connections.
Description
Specifications
- Bellows material: 304, 316, 321 stainless steel
- Balance of material: Carbon steel, stainless steel
- Design pressure: 16 barg
- Design temperature: 400°C
- Size range: DN32 to DN250, three movement types available
Advantages
- Absorbs lateral and axial movement from both thermal and seismic origin
- Limit rods allow expansion range to be set within adjusted limits
- High movement capacity and resistance to high temperature and chemicals
- Rotating flange, fixed flange, or welding neck connection available
Applications
- Hot and cold water pipelines, fire fighting systems
- Superheated water, steam and condensate pipelines
- Marine and exhaust systems, HVAC lines
