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SAMBUNGAN EKSPANSI

SAMBUNGAN EKSPANSI

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Pengantar

Ikhtisar Produk
Jiangsu Hongyuan stainless steel bellows expansion joints utilize multi-layer austenitic stainless steel (304/316L) bellows and reinforced end ring welding technology, designed to compensate for thermal displacement, mechanical vibration, and installation errors in pipeline systems, suitable for high-precision applications in air separation, petrochemical, and power industries.

Core Technical Advantages

Broad Compensation Range: Axial compensation ±50mm, lateral compensation ±30mm, fatigue life >5000 cycles 

Extreme Resistance: Operating temperature -196°C~600°C, pressure rating 0.25~6.4MPa, compatible with cryogenic media such as liquid oxygen and nitrogen;

Precision Manufacturing: welded bellows forming process with wall thickness tolerance ≤±0.1mm, helium leak rate <1×10⁻⁹ Pa·m³/s.

Aplikasi khas

Air Separation Units: Thermal compensation for liquid oxygen/nitrogen pipelines (5-year leak-free operation in Hangyang 100,000 Nm³/h project);

Refining Systems: Vibration absorption in FCC unit flue gas pipelines (withstands 950°C transient impact);
Nuclear Power: Stress relief in nuclear-grade auxiliary pipelines (complies with ASME III nuclear safety standards).

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