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    3" Steam Pressure Regulator

    Purchase a 3" steam pressure regulator for steam supply lines, steam heating equipment and heaters. The steam pressure regulator valve is available in nominal pressures of .16MPa, 2.5MPa and 4.0MPa. ATO high pressure steam regulators are the versatile solution for all your steam pressure needs.
    SKU: ATO-SPR-80
    30-day Returns
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    Delivery date: 6-12 days

    The compact 3" steam pressure regulator valves regulate the flow of media using the opening of the opening and closing elements within the control valve body. They are used in a variety of industrial applications where steam is used as a source of heating or power, such as power generation, chemical processing, food processing and pharmaceutical production.


    • Model: ATO-Y34H-DN80
    • Body Material: Cast Steel 
    • Connection Form: Flange
    • Nominal Diameter: DN80 (3")
    • Nominal Pressure: 1.6MPa, 2.5MPa, 4.0MPa
    • Working Temperature: <200C
    • Applicable Medium: Water steam, boiler steam, high temperature steam, etc.
    • Weight: 42.5kg


    • A 3 inch steam pressure regulator automatically adjusts the pressure of the steam to maintain a constant pressure in the system.
    • The steam pressure reducing valve has a high degree of accuracy, ensuring that the pressure remains constant within a tight tolerance range.
    • The steam pressure regulator is easy to install and can be retrofitted to existing steam systems with minimal disruption.
    • ATO steam pressure regulator is highly reliable and can operate for extended periods without requiring maintenance.

    Dimension (Unit mm)

    Steam pressure reducing valve

    Dimension 1.6MPa 2.5MPa 4.0MPa
    L H1 H2 L H1 H2 L H1 H2
    DN80 310 140 360 310 140 360 330 150 385


    Steam pressure regulator installation

    1. Filter
    2. Pressure gauge
    3. Steam pressure regulator
    4. Globe valve
    5. Safety valve
    6. Bypass channel


    Steam pressure regulators are widely used in power plants, chemical plants, and refineries, where they play a crucial role in ensuring the safe and efficient operation of boilers and other steam-powered equipment. In addition, steam pressure regulators are also used in the food and beverage industry, pharmaceuticals, and hospitals, where they are utilized to control the pressure of steam used for sterilization processes. 

    Steam pressure reducing valve applications

    Tips: How to select a steam pressure regulator for my application?

    Selecting a steam pressure regulator for your application involves several considerations to ensure that you choose the appropriate regulator for your specific needs. Here are some key factors to keep in mind:

    1. Pressure Range: You need to determine the range of pressures that your regulator will need to handle. This includes both the maximum and minimum pressures that will be encountered in your system. Select a regulator that can handle the pressure range needed for your application.
    2. Flow Rate: The flow rate of steam through your system is another important consideration. You need to choose a regulator that can handle the required flow rate, which can be affected by factors such as pipe diameter, valve sizing, and the specific characteristics of your system.
    3. Temperature: Steam temperature can also impact your regulator selection. Make sure the regulator is rated to handle the temperatures of the steam in your system.
    4. Material: Select a regulator made of materials that can handle the steam and any other chemicals or substances present in your system. Common materials for steam regulators include brass, stainless steel, and bronze.
    5. Accuracy: Choose a regulator that provides the required level of accuracy for your application. This can be impacted by factors such as the type of control valve used, the size of the regulator, and the specific design of the regulator.
    6. Type of Regulator: There are different types of steam pressure regulators available, such as direct-acting, pilot-operated, and self-contained. Each type has its own advantages and limitations, so choose the type that best suits your specific needs.
    7. Compliance: Ensure that the regulator complies with relevant industry standards and regulations, such as ASME and CSA standards.

    By considering these factors, you can select a steam pressure regulator that meets your requirements and ensures optimal performance in your application. It may be helpful to consult with a qualified steam system engineer or regulator manufacturer to determine the best regulator for your specific needs.

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