High-Speed Roots Vacuum Pump from China Suppliers - Efficient Factory Production for Enhanced Performance
01
The composite sealing structure technology completely solves the emulsification and leakage problems of vacuum pump oil, making it more stable and reliable.
02
Independently produced and manufactured, it has over 40 vacuum-related patents, has been rated as a national high-tech enterprise and a science and technology enterprise, and has passed ISO9001 quality management system certification
03
The spiral jacket cooling method ensures excellent heat exchange efficiency, fully guaranteeing the low-temperature lubrication performance of the lubricating oil, thereby extending the service life of gears, bearings and mechanical seals.
04
A bypass valve is set inside, allowing the Roots vacuum pump and the preceding vacuum pump to almost simultaneously start under atmospheric conditions to shorten the pumping time.
Product Parameters
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| Model Number | Maximum Suction Rate (L/S) | Intake Diameter (mm) | Exhaust Pipe Diameter (mm) | Noise ≤dB(A) | Motor Power (kW) | Speed (r/min) |
|---|---|---|---|---|---|---|
| ZJP-30 | 30 | 80 | 50 | 78 | 1.5 | 1420 |
| ZJP-70 | 70 | 80 | 50 | 78 | 1.5 | 2840 |
| ZJP-150 | 150 | 100 | 80 | 81 | 3 | 2880 |
| ZJP-300 | 300 | 150 | 100 | 82 | 4 | 2890 |
| ZJP-600 | 600 | 200 | 150 | 84 | 7.5 | 2900 |
| ZJ-1200 | 1200 | 250 | 200 | 85 | 11 | 2940 |
| ZJ-2500 | 2500 | 300 | 250 | 87 | 22 | 2940 |
| ZJ-5000 | 5000 | 400 | 400 | 88 | 37 | 2940 |
💡 Frequently Asked Questions
Q
What is the maximum suction rate available in the ZJ/ZJP series?
The highest maximum suction rate in this series is 5000 L/S, offered by the ZJ-5000 model, making it suitable for large-scale industrial vacuum applications.
Q
Which model is best suited for low-noise environments?
The ZJP-30 and ZJP-70 models offer the lowest noise levels at ≤78 dB(A), making them ideal for applications where noise control is a priority.
Q
What motor power range does the ZJ/ZJP pump series cover?
The series covers a motor power range from 1.5 kW (ZJP-30 and ZJP-70) up to 37 kW (ZJ-5000), providing flexible options for both light-duty and heavy-duty industrial use.
Q
How do I select the right model based on intake diameter?
Intake diameters range from 80 mm to 400 mm across the series. You should match the intake diameter to your existing pipeline specifications to ensure optimal flow efficiency and system compatibility.
Q
What is the typical operating speed (RPM) for the higher-capacity models?
The higher-capacity models — ZJ-1200, ZJ-2500, and ZJ-5000 — all operate at 2940 r/min, which provides consistent high-speed performance for demanding vacuum processes.
Q
Are these pumps suitable for continuous industrial operations?
Yes, the ZJ/ZJP series is engineered for continuous industrial operations. With robust motor power configurations and optimized suction rates, these pumps are designed to handle sustained vacuum demands across a wide range of industrial applications.










