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A Hairpin Heat Exchanger is a specialized tubular heat exchanger designed for high-pressure and high-temperature process applications. It consists of two or more straight tubes bent into a U-shape (hairpin configuration), enclosed within an outer shell. This compact design allows for efficient thermal transfer, reduced pressure drop, and flexible handling of temperature differentials. Hairpin exchangers are particularly well-suited for services involving multi-phase heat transfer, viscous fluids, or fluids with large temperature approaches.
The Weihai Shidao Hairpin Heat Exchanger is a high-performance pressure vessel engineered for critical process industries requiring efficient heat transfer, compact design, and long-term reliability. Manufactured by Weihai Shidao Heavy Industry Co., Ltd., this exchanger integrates precision engineering, advanced metallurgy, and ASME-compliant fabrication to ensure optimal performance and durability. It is widely applied in oil & gas, petrochemical, chemical processing, and power generation sectors, where space-saving design and robust operation are essential.
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The Hairpin Heat Exchanger is a high-performance tubular heat exchanger designed for critical process conditions involving high pressure, high temperature, viscous fluids, and multi-phase heat transfer. Its U-tube (hairpin) configuration provides excellent thermal efficiency within a compact footprint, making it highly suitable for installations with limited space. The straight-tube design allows easier inspection, cleaning, and mechanical maintenance, while ensuring reliable operation under demanding thermal and mechanical loads. Due to its compact structure, flexibility, and durability, it is widely adopted across oil & gas, petrochemical, refining, fertilizer, chemical, and power generation sectors.
| Industry | Application Scenarios | Key Benefits of Hairpin Design |
|---|---|---|
| Oil & Gas | – Heat recovery in offshore platforms and FPSOs- Natural gas dehydration & compression- Gas–liquid separation cooling- Condensate stabilization | – Compact design for offshore use- Ideal for two-phase flow- Straight tubes enable easy fouling removal |
| Petrochemical | – Aromatics & olefins recovery- Hydrogen plant effluent cooling- Hydrocarbon condensation- Glycol dehydration units | – Handles viscous & fouling media- Robust against thermal cycling- Space-saving for dense plant layouts |
| Refining | – Crude preheat trains- Vacuum distillation side stream cooling- Reforming & hydrocracking- Hot oil and recovery systems | – High thermal efficiency- Extreme pressure & temperature duty- Low maintenance due to straight-tube geometry |
| Fertilizer & Chemical | – Ammonia synthesis cooling- Urea process condensers- Nitric acid & methanol units- Organic chemical condensation | – Durable under corrosive media- High performance in synthesis loops- Reduced downtime during shutdowns |
| Power Generation | – Feedwater heating- Boiler blowdown recovery- Steam turbine intercoolers- Condensate cooling | – Effective under thermal cycling- Compact for confined spaces- Long service life & reliability |
As a leading pressure vessel and heat exchanger manufacturer, Weihai Shidao Heavy Industry Co., Ltd. specializes in the design and fabrication of Hairpin Heat Exchangers for complex industrial processes. With ASME, PED, and ISO certifications, and decades of experience serving global oil & gas, petrochemical, chemical, and power sectors, Weihai Shidao delivers fully customized heat exchange solutions to meet customer-specific process requirements. The company integrates advanced CAD/CAE engineering, full material traceability, and rigorous non-destructive testing (NDE) to guarantee that every exchanger meets international safety and performance standards. Whether installed in Middle East refineries, Asian petrochemical plants, or European power stations, Weihai Shidao’s Hairpin Heat Exchangers provide high efficiency, easy maintenance, and long-term reliability in the world’s most demanding industrial environments.
A Hairpin Heat Exchanger is a tubular heat exchanger with U-shaped tubes (hairpin design) enclosed in a shell. Fluids flow through the straight tubes and shell side in counter-current or co-current direction, allowing efficient heat transfer under high pressure and temperature conditions.
Hairpin exchangers offer a compact footprint, excellent thermal efficiency, and ease of cleaning due to straight-tube geometry. They are particularly suitable for viscous fluids, multi-phase flow, and applications with large temperature differences.
They are widely applied in oil & gas, petrochemical, chemical, refining, fertilizer, and power generation industries, especially in processes requiring high efficiency, compact design, and reliable performance under extreme service conditions.
The straight-tube design allows easy inspection, mechanical cleaning, or tube bundle replacement, minimizing downtime during scheduled shutdowns. This makes it more maintenance-friendly compared to complex curved-tube exchangers.
Yes, Hairpin Heat Exchangers are typically designed and manufactured in compliance with international codes such as ASME Section VIII, TEMA, and PED, ensuring safety, durability, and long service life.
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