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Industrial Shell & Tube Exchanger for Oil Gas Chemical Use
Fixed Tubesheet, Floating Head & U-Tube Designs | Custom ASME Fabrication for Oil, Gas, Chemical & Power Industries
Need a custom quote for Industrial Shell & Tube Exchanger? Contact our engineering team directly: jimmy@steelseamlesspipe.com
Yuhong Group: Comprehensive Heat Transfer Solutions
Yuhong Group Co., Ltd. is a trusted manufacturer of engineered thermal equipment, delivering custom shell & tube heat exchangers, pressure vessels, and air coolers to global industries. We also supply precision replacement components, including tube bundles, U-tubes, finned tubes, heat exchanger tubes, and critical parts such as tubesheets, baffles, and heads to support maintenance and new projects.
Product Overview: The Workhorse of Industrial Heat Transfer
The shell and tube heat exchanger remains the most widely used heat transfer equipment across process industries. Its robust construction, high thermal efficiency, and adaptability to a wide range of pressures, temperatures, and fluid properties make it the preferred choice for demanding applications. Our exchangers are engineered to meet specific process requirements, with designs available in fixed tubesheet, floating head, and U-tube configurations.
Types of Shell and Tube Heat Exchangers - Selection Guide
Type
Design Characteristics
Best Suited Applications
Fixed Tubesheet
Tubesheets welded to shell; simplest, most economical construction. May include expansion joint for thermal stress.
Clean services with low fouling potential; moderate temperature differences between shell and tube sides.
Floating Head
One tubesheet is free to move; entire bundle can be withdrawn for cleaning.
High temperature differentials; fouling services requiring frequent mechanical cleaning; corrosive tube-side fluids.
U-Tube
Tubes bent into U-shape; single tubesheet; bundle expands freely.
High thermal expansion; high-pressure tube-side services; applications where shell-side cleaning is primary.
Material Selection for Long-Term Reliability
We fabricate exchangers from a broad range of materials to match your process media and environmental conditions:
Carbon Steel (SA516 Gr.70, SA179, SA266 Gr.2) - Economical choice for water, oil, steam, and non-corrosive services.
Stainless Steel (304/304L, 316/316L) - Excellent corrosion resistance for chemical, pharmaceutical, food, and marine applications.
Chrome-Moly Alloy Steel (1¼Cr-½Mo, 2¼Cr-1Mo) - For high-temperature services in refining and power generation.
Nickel Alloys (Monel 400, Inconel 600/625, Hastelloy C276) - Superior corrosion resistance for harsh chemical environments and seawater service.
Key Components & Their Functions
Component
Typical Material(s)
Primary Function
Tube Bundle
ASME SA179, SA213 TP304/316L, etc.
Primary heat transfer surface; tube size, thickness, and layout optimized for thermal duty.
Tubesheet(s)
SA266 Gr.2, SA182 F304/316L, etc.
Secures tubes; thickness calculated for pressure loads and tube expansion forces.
Shell
SA516 Gr.70, SA106 Gr.B, etc.
Contains shell-side fluid; includes inlet/outlet nozzles and potential expansion joint.
Baffles
SA516 Gr.70, SA240 304/316L, etc.
Directs shell-side flow across tubes to enhance heat transfer and prevent tube vibration.
Channel / Bonnet
SA516 Gr.70, SA105, etc.
Distributes tube-side fluid; removable for inspection and cleaning.
Nozzles & Connections
SA105, SA182 F304/316L, etc.
Process fluid in/out; instrument, drain, vent, and vent connections.
Technical Highlights and Engineering Advantages
Precise Thermal Design: Utilizing HTRI or specialized thermal calculation software ensures that heat exchange area, pressure drop, and temperature distribution precisely match process requirements.
Reliable Tube End Connections: Employing a composite process of expansion joints and sealing welds ensures long-term leak-free tube operation under thermal cycling and pressure fluctuations.
Optimized Flow Distribution: Computational fluid dynamics (CFD)-assisted design of baffle layout eliminates flow dead zones and improves the overall heat transfer coefficient.
Vibration Suppression Design: Optimizing baffle spacing and tube bundle support for conditions prone to fluid-induced vibration to prevent premature failure.
Comprehensive Quality Control: Providing complete Material Quality Reports (MTR), Procedural Quality Reports (PQR), Non-Destructive Testing Reports (NDT), and ASME data reports to ensure full traceability.
Heat Exchanger Selection Considerations
Avoiding Common Design Mistakes
Correct selection can prevent later operational problems. The following points are worth noting:
Thermal Stress: When the shell-to-tube temperature difference exceeds 50°C, fixed tubesheet type requires an expansion joint; otherwise, consider floating head or U-tube designs.
Scaling Risk: If the shell-side medium is prone to scaling or polymerization, select floating head or U-tube type to allow for mechanical cleaning of the tube bundle.
Vibration Risk: When gas or high-speed fluid passes through the shell side, proper baffle spacing or special structures are necessary to prevent tube bundle resonance.
Material Compatibility: Pay attention to welding compatibility and thermal expansion coefficient differences between tubesheet and tube materials.
Inlet Corrosion: For high-speed fluids or media containing solid particles, consider installing an impact plate or using thick-walled tubes to prevent inlet erosion.
Chemical and Petrochemical Industries: Reactor feed heat exchange, solvent recovery, polymerization reaction temperature control.
Power Industry: Lubricating oil cooling, generator air cooling, turbine extraction steam condensation, feedwater heaters.
HVAC & Refrigeration: Chiller evaporators/condensers, heat pump systems, district heating.
Food and Pharmaceutical Industries: Pasteurization, pure steam condensation, process fluid heating/cooling.
Marine and Offshore: Seawater coolers, platform process cooling systems.
Customized Services and Technical Support
We provide full-process engineering services from conceptual design to delivery:
Thermal and mechanical design based on process data (flow rate, temperature, pressure, physical properties).
Optional special internal structures: double-shell, baffle rod, spiral baffle, inlet impingement plate, etc.
Special testing options: PMI (Positive Material Spectroscopy), helium leak detection, hydrostatic testing, etc.
Auxiliary system integration: Tube racks, instrumentation, insulation, and anti-corrosion coatings can be provided.
On-site service: Installation guidance, commissioning support, and after-sales maintenance.
Get Your Customized Solution
To select the most suitable heat exchanger for your process, please contact the engineering team at Yuhong Group. Send your process requirements or inquiry to jimmy@steelseamlesspipe.com, and we will provide you with professional technical advice and a competitive quote.
