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High-Performance Air-Cooled Roots Vacuum Pump from China Factory - Trusted Suppliers for Reliable Vacuum Solutions

Introducing our advanced vacuum pump, designed for exceptional performance and reliability. When operating independently, this pump achieves a working vacuum degree of 150 mbar, effectively reaching atmospheric pressure. Thanks to its innovative structural design, our pump can handle high pressure differences and high compression ratios without the risk of overheating or overloading, Manufactured in China, our products are built to last, featuring QT500 high-strength ductile iron rotors that boast a remarkable tensile strength of 500 MPa and an elongation rate of 15%. As a leading supplier in the industry, our factory ensures top-quality production standards, making us a trusted choice for your vacuum pump needs

    Product Characteristics

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    Product Parameters

    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 and Exhaust Diameters (mm) 125 250 300 350 350 400
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    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
    What is the maximum suction rate available across the ZJQ pump series?
    The ZJQ pump series offers a maximum suction rate ranging from 300 L/S (ZJQ-300) up to 5000 L/S (ZJQ-5000), allowing users to select the most appropriate model based on their specific pumping capacity requirements.
    Why does the rated power vary within each model?
    The rated power for each model is given as a range (e.g., 5.5~37 KW for ZJQ-300) because the required motor power depends on the actual working pressure difference in the application. Higher pressure differences demand more powerful motors to maintain efficient performance.
    Is the limiting pressure the same for all ZJQ models?
    Yes, all ZJQ series models share the same limiting pressure of 15,000 Pa. This consistent specification ensures reliable performance across the entire product line, regardless of the pump's flow capacity.
    How do I choose the right cooler and motor for my application?
    The selection of the motor power and the heat exchange area of the cooler must be based on the actual working pressure difference in your system. We recommend consulting our technical team with your specific operating parameters so we can recommend the correct motor and cooler configuration for your needs.
    What intake and exhaust diameter should I plan for when installing a ZJQ-5000?
    The ZJQ-5000 model requires an intake and exhaust diameter of 400 mm. Ensuring your piping infrastructure matches this specification is essential for maintaining optimal flow efficiency and avoiding pressure loss during operation.
    Does water consumption differ between ZJQ models and operating conditions?
    Yes, water consumption varies depending on both the pump model and the actual working pressure difference. Since different pressure differences require different cooler configurations, the cooling water consumption will change accordingly. Accurate water usage data should be assessed based on your real operating conditions.

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