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Why Straight Tube Heat Exchangers Dominate Oil & Gas Industry?

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December 10, 2025
Category Connection: Shell Tube Heat Exchanger
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#0.5MPa shell and tube evaporator #0.4MPA stainless steel shell and tube heat exchanger #2.5MPA Shell Tube Heat Exchanger
Brief: Here’s a fast, informative look at what this solution does and how it behaves. This video explains why straight tube heat exchangers are the preferred choice in the oil and gas industry, showcasing the operational principles and structural design of the Sus304 Shell and Tube Heat Exchanger. You'll see how transverse baffles enhance heat transfer efficiency and learn about the multi-pass configurations that optimize fluid flow for demanding industrial applications.
Related Product Features:
  • Constructed from high-pressure Sus304 stainless steel for superior corrosion resistance and durability in harsh oil and gas environments.
  • Features a robust shell and tube design with a heat exchange capacity of 4mmbtu/h, suitable for large-scale industrial processes.
  • Equipped with transverse baffle plates that prevent fluid short circuiting and increase turbulence for improved heat transfer efficiency.
  • Designed for a maximum working pressure of 0.4MPa on the tube side and a design pressure of 1.6MPa, ensuring reliable performance under high-pressure conditions.
  • Utilizes a multi-pass tube configuration (4 passes) to maximize fluid velocity and heat exchange effectiveness within the tube bundle.
  • Operates within a design temperature range of up to 200°C for both shell and tube sides, accommodating high-temperature industrial fluids.
  • Built with a tube sheet made from 16MnIII and tube side material of Q345R, providing structural integrity and long service life.
  • Includes safety features for hydraulic testing, with specified procedures to ensure leak-free operation and pressure integrity.
Faqs:
  • What are the key advantages of using a straight tube heat exchanger in the oil and gas industry?
    Straight tube heat exchangers dominate due to their robust construction, high-pressure tolerance (up to 1.6MPa design pressure), and efficient heat transfer enabled by transverse baffles and multi-pass configurations, making them ideal for handling demanding fluids and temperatures in oil and gas applications.
  • How does the multi-pass tube configuration improve the heat exchanger's performance?
    The multi-pass tube configuration, with 4 passes on the tube side, increases the fluid velocity and forces it to cross the tube bundle multiple times. This enhances turbulence and maximizes the heat transfer surface area contact, leading to significantly improved thermal efficiency.
  • What materials are used in the construction of this shell and tube heat exchanger and why?
    The heat exchanger uses Sus304 stainless steel for the shell, known for its corrosion resistance, and Q345R for the tube side, offering strength under pressure. The tube sheet is made from 16MnIII, ensuring durability and reliability in high-stress, high-temperature environments up to 200°C.
  • What are the critical precautions during the hydraulic testing of this heat exchanger?
    During hydraulic testing, the exchanger must be filled with liquid and all internal gas expelled via the exhaust port. Pressure should be increased slowly to the design pressure only when the wall temperature is near the liquid temperature. The test pressure must be maintained for 30 minutes, with no leakage, and fastening bolts should not be tightened under pressure to ensure safety and integrity.
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