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During continuous operation of a pump station, displacements caused by pump set vibration, medium water hammer impact, and thermal expansion and contraction of pipelines may, under long-term effects, lead to loose flanges, seal leakage, and even damage to main pump and valve equipment. Relying on the flexibility of rubber spheres, rubber expansion joints absorb multi-dimensional […]
Modern industrial pipeline systems operate under complex working conditions. Factors such as fluctuating medium temperatures, unit vibration and foundation settlement constantly challenge the operational stability of pipelines. The rigid hard connection of rigid pipelines cannot self-absorb various displacement stresses. After long-term operation, problems including flange leakage, weld damage and equipment resonance occur frequently, posing risks […]
Analysis of Factors Affecting the Service Life of Rubber Expansion Joints Rubber expansion joints rely on rubber elastomers to achieve shock absorption and displacement compensation functions and are classified as consumable parts for pipelines. There is no fixed standard for its service life. Under normal working conditions, it can be used for 3 to 8 […]
Installation instructions and precautions for rubber expansion joints Rubber expansion joints are widely used in pipeline systems for water supply and drainage, chemical industry, HVAC, fire protection and sewage treatment. They function for vibration and noise reduction, pipeline displacement compensation, deformation buffering, as well as sealing and leak prevention. ✅ Installation points 1. Keep concentric alignment When […]
Recently, a batch of dismantling joints manufactured by Henan Shengrun Pipeline Equipment Co., Ltd. successfully completed production inspection and was exported to India for a local urban water supply pipeline construction project. The project uses DN series large-diameter dismantling joints, which are mainly installed at the connection points of pumps, valves, and pipelines. They are […]
Export Products: Rubber expansion joints, eccentric reducer expansion joints, high-temperature resistant EPDM rubber expansion joints