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Industrial Vacuum Pumping Solutions & Systems
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China Suppliers Factory FORYOU Air-Cooled Roots Vacuum Pump - High Performance with 150 mbar Vacuum Capability

Introducing our high-performance vacuum pump, engineered for efficiency and reliability. When used independently, this advanced pump can achieve a working vacuum degree of up to 150 mbar directly from the atmosphere. Thanks to its innovative structural design, it operates seamlessly under high pressure differences and high compression ratios without the risk of overheating or overloading, Manufactured in China, we take pride in using top-quality materials. Our entire series features QT500 high-strength ductile iron rotors, which boast an impressive tensile strength of 500 MPa and an elongation rate of 15%. As a leading supplier and factory in the industry, we are committed to delivering products that meet the highest standards of performance and durability. Choose our vacuum pump for reliable operation in demanding applications
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    Product Characteristics

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    Product Parameters

    Product Details

    Model Number

    ZJQ-300

    ZJQ-600

    ZJQ-1200

    ZJQ-2500

    ZJQ-3750

    ZJQ-5000

    Maximum Suction Rate (L/S)

    300

    600

    1200

    2500

    3750

    5000

    Limiting Pressure (Pa)

    15000

    15000

    15000

    15000

    15000

    15000

    Speed (rpm)

    1480

    1460

    1470

    1470

    1470

    1470

    Rated Power (KW)

    5.5～37

    7.5～75

    15～132

    22～280

    30～400

    45～710

    Intake & Exhaust Diameters (mm)

    125

    250

    300

    350

    350

    400
    ⚠️

    Note: The motor power of the pump, the heat exchange area of the cooler, and the water consumption are determined based on the actual working pressure difference. Different pressure differences require different motors and coolers, and the water consumption will also vary.

    💬 Frequently Asked Questions
    Q What does the model number in the ZJQ series indicate?
    A The number in the model name (e.g., ZJQ-300, ZJQ-5000) directly corresponds to the maximum suction rate of the pump in liters per second (L/S), making it easy to identify the appropriate model for your application.
    Q Why is the limiting pressure the same (15000 Pa) across all ZJQ models?
    A All models in the ZJQ series share a uniform limiting pressure of 15,000 Pa, as they are designed within the same product family with consistent vacuum performance standards. The differentiation lies in their pumping speed and power configurations.
    Q How is the motor power range determined for each model?
    A The rated power is given as a range (e.g., 5.5～37 KW for ZJQ-300) because the actual required motor power depends on the working pressure difference in your specific application. A higher pressure difference demands a more powerful motor.
    Q Does the cooler specification change between different models?
    A Yes. The heat exchange area of the cooler is determined based on the actual working pressure difference. Each installation may require a different cooler configuration, and water consumption will vary accordingly. Please consult technical specifications for your operating conditions.
    Q What are the intake and exhaust diameter options, and why do they matter?
    A Intake and exhaust diameters range from 125 mm (ZJQ-300) to 400 mm (ZJQ-5000). These dimensions are critical for pipeline compatibility and system design — larger diameters support higher gas flow rates and reduce flow resistance in high-capacity applications.
    Q Which ZJQ model is suitable for large-scale industrial vacuum applications?
    A For large-scale industrial applications requiring high pumping capacity, the ZJQ-3750 or ZJQ-5000 models are recommended, offering maximum suction rates of 3750 L/S and 5000 L/S respectively, with rated power up to 400 KW and 710 KW.

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