As an important component of the high-end hotel construction in Hefei, rubber expansion joints played a critical role in the HVAC system of the Hongrui Jinling Hotel. With their flexibility, pressure resistance, and noise reduction properties, they provided stable support for the hotel’s operations.
Product Overview: Rubber Expansion Joints
A rubber expansion joint, also known as a flanged rubber joint or soft joint, is a flexible component installed between pipes and equipment. It consists of high-performance rubber and reinforced fabric, connected to the piping system via flanges or threads, providing functions such as vibration reduction, sound insulation, anti-pullout, and displacement compensation.
Main Features Analysis
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Excellent Elasticity and Strong Seismic Performance: Effectively alleviates the pulsation and vibration generated by water pumps and fans.
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Multi-Directional Compensation Capability: Ideal for compensating deformations caused by misaligned pipe installations or thermal expansion and contraction.
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Wide Range of Media Compatibility: The joints can be customized with materials such as EPDM, NBR, or NR to resist high temperatures and corrosion.
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Anti-Pullout Protection with Limiters: Optional limiters prevent excessive displacement under high pressure, protecting the system from damage.
A Model Case for High-End Hotel Applications
In the Hefei Hongrui Jinling Hotel project, rubber expansion joint products spanning DN80 to DN300 were employed, with multiple double-sphere limit-type rubber joints installed in the underground pump room area. These joints effectively absorbed the intense vibrations caused by circulating pump operations. Such products are widely used in hotels, apartments, commercial complexes, and other buildings, demonstrating superior stability and durability in real-world operations.
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