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Steam Engineering Products

Pressure Desuperheating and Desuperheating Stations

In steam systems, precise temperature control is often critical for various processes and equipment. Pressure desuperheating and desuperheating stations play a vital role in achieving this control by reducing the temperature of high-pressure steam to a desired level.


Steam Engineering Products - Pressure Desuperheating and Desuperheating Stations
Size Range

15 NB x 15 NB to 300 NB x 500 NB and Higher size as per Requirement.

Body Materials

Carbon Steel (A216 Gr. WCB) / Alloy Steel (A217 Gr. WC6/WC9) / A182 (F11/F22)

Temperature Range

-29 C to 1150 C

Stem Materials

Carbon Steel (A216 Gr. WCB) / Alloy Steel (A217 Gr. WC6/WC9) / A182 (F11/F22)

Maximum Allowable Operating Pressure

IBR approved ANSI Class 150, 300, 600, 900, 1500 & higher on request

Shutoff Rating

Class IV, V



End Connection

Flanged / Butt Weld / Socket Weld

    • Pressure Desuperheating: This technique involves injecting atomized water spray directly into the high-pressure steam flow. The water absorbs heat from the steam, reducing its temperature without significantly affecting the pressure.
    • Desuperheating Stations: These are pre-engineered units housing the necessary components for pressure desuperheating. They typically include:
      • Control Valve: Regulates the water flow rate injected into the steam for precise temperature control.
      • Water Injection System: Delivers atomized water spray to ensure efficient heat transfer.
      • Mixing Chamber: Provides adequate space for thorough mixing of the desuperheated steam and water.
      • Temperature Sensors: Monitor the inlet and outlet steam temperatures for control purposes.


    • Precise Temperature Control: Enables accurate regulation of steam temperature to meet specific process or equipment requirements.
    • Improved Efficiency: Prevents overheating and potential damage to equipment designed for lower steam temperatures.
    • Enhanced Process Control: Consistent steam temperature ensures predictable and optimal performance in various steam-based processes.
    • Reduced Risk of Overheating: Protects downstream equipment from potential damage caused by excessively hot steam.
    • Safe Operation: Contributes to a safer operating environment by maintaining steam temperatures within safe limits.


    • Required steam flow rate and pressure
    • Desired outlet steam temperature
    • Available space for installation
    • Control system requirements
    • They can be controlled manually or through automated systems using temperature sensors and control valves.
    • Regular inspection and maintenance of the control valve, water injection system, and mixing chamber are crucial for optimal performance.

    • Spray desuperheating: Similar to pressure desuperheating but injects water at a lower pressure zone.
    • Steam mixing stations: Mix steam from different sources to achieve the desired temperature.

Yes, they are designed to withstand a wide range of temperatures and pressures, depending on the specific lining and materials used.


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