Yuhong Group Co., Ltd. designs and manufactures a comprehensive range of thermal equipment for global industries. Our core offerings include shell and tube heat exchangers, pressure vessels, air coolers, and specialized hairpin heat exchangers - a compact, high-efficiency alternative for demanding thermal duties. We also supply critical components: finned tube bundles, U-tube bundles, heat exchanger tubesheets, and all related parts - ensuring full support for new projects and maintenance.
Need a custom quote for Hairpin Heat Exchanger? Contact our engineering team directly: jimmy@steelseamlesspipe.com
The hairpin heat exchanger addresses many limitations of traditional fixed tubesheet shell & tube designs. This exchanger features a U-shaped tube bundle enclosed within a shell that is folded in half, creating a compact "hairpin" configuration.
| Feature | Hairpin Heat Exchanger | Traditional Shell & Tube (Fixed Tubesheet) |
|---|---|---|
| Thermal expansion | Handled naturally by U-bend - no expansion joint required | Requires expansion joint or floating head |
| Flow arrangement | True counter-current - allows temperature cross | Limited - mixed or cross-flow |
| Temperature approach | As low as 1-2°C | Typically 5-10°C |
| Maintenance | Removable U-tube bundle - easy inspection & cleaning | Fixed bundle cannot be removed |
| Footprint | Compact - folded design saves space | Larger - requires more plot area |
| Thermal efficiency | Higher - pure counter-current flow | Moderate |
| Tube-side pressure | Handles high pressure efficiently | Requires thicker tubesheet for high pressure |
| Component | Material (Typical) | Role in Equipment Performance |
|---|---|---|
| U-Tube Bundle | Carbon steel, stainless steel, or alloy | Carries tube-side fluid; U-bend allows free thermal expansion - no stress on tubesheet |
| Finned Tube Bundle (optional) | Carbon steel + aluminum/SS fins | Increases heat transfer surface area - ideal for gas cooling or high-fouling services |
| Heat Exchanger Tubesheet | SA266 Gr.2, F304/316L, or alloy | Anchors U-tubes at the inlet end; separates shell and tube sides |
| Shell | Carbon steel or stainless steel | Contains shell-side fluid; U-shaped configuration |
| Baffles | Carbon steel or stainless steel | Support U-tubes; direct shell-side flow for optimal heat transfer |
| Channel / Bonnet | Carbon steel or stainless steel | Distributes fluid to the U-tube bundle; removable for bundle access |
| Tie Rods & Spacers | Carbon steel or alloy | Maintain precise baffle spacing and bundle rigidity |
| Support Saddles | Carbon steel | Support vessel weight; designed for thermal expansion |
| Industry | Application | Why Hairpin |
|---|---|---|
| Oil & gas | Gas processing, compression cooling, hydrocarbon heating | Handles high ΔT and thermal cycling |
| Petrochemical | Heavy oil heating, asphalt heating, chemical processing | True counter-current for temperature cross |
| Power generation | Steam generation, feedwater heating | Compact design; handles thermal expansion |
| Cryogenic / LNG | LNG heating, cryogenic fluid heat exchange | U-bundle handles extreme temperature differentials |
| Chemical processing | Reactor feed/effluent heat exchange | High ΔT capability; thermal cycling resistance |
| Refining | Feed/effluent exchangers, preheat trains | Temperature cross capability; high-pressure handling |
Every hairpin heat exchanger we fabricate includes comprehensive documentation and compliance:
To quote a hairpin heat exchanger like the one in your photographs, send the following to jimmy@steelseamlesspipe.com:
We will respond with a technical proposal, general arrangement drawing, and competitive price - typically within 72 hours.
