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











