2025/11/27
With a deep commitment to the global market, Shanghai Dengsheng Instrument has earned international acclaim for its quality.




1. Equipped with a specially designed gas ballast valve to prevent pump oil from mixing with water, extending the service life of the pump oil;
2. High pumping efficiency, high ultimate vacuum, and long service life;
3. Equipped with an automatic anti-backflow check valve, ensuring no oil backflow;
4. Small-diameter 2XZ-2B, 2XZ-4B, and 2XZ-8B vacuum pumps are specifically designed for vacuum drying ovens, freeze dryers, and printing machinery;
5. Can be equipped with small-diameter conversion connectors, KF interfaces, and flange interfaces;
6. When pumping gases containing vapor, particles, or corrosive gases, auxiliary equipment such as condensers and dust collectors must be installed at the pump's gas inlet.
|
Model |
2XZ-2B |
2XZ-4B |
2XZ-6B |
2XZ-8B |
2XZ-15B |
2XZ-25B |
|
Theoretical Pumping Speed m3/hr |
7.2 |
14.4 |
21.6 |
28.8 |
54 |
90 |
|
Theoretical Pumping SpeedL/S |
2 |
4 |
6 |
8 |
15 |
25 |
|
Extreme Pressure |
≤4*10-2 |
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|
Extreme Pressure |
≤1Pa |
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|
Motor Speed |
1400r/min |
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|
Power Supply Voltage |
AC220V/50Hz |
AC380V/50Hz |
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| Noise dB |
62 |
65 |
66 |
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|
Inlet Diameter (outside) |
Φ30 |
Φ40 |
Φ50 |
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|
Inlet Flange |
KF25 |
KF40 |
KF50 |
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|
Fuel Volume (L) |
0.8 |
0.95 |
1.2 |
2.4 |
3 |
6 |
|
Exterior Dimensions(L*W*H) mm |
514*168*282 |
565*168*282 |
560*240*340 |
650*240*430 |
700*240*430 |
770*240*430 |
|
Power |
0.37 |
0.55 |
0.75 |
1.5 |
2.2 |
|
|
Net Weight (KG) |
20 |
22 |
40 |
60 |
75 |
85 |
|
Cooling Method |
Air Cooling |
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|
Ambient Temperature℃ |
5~35 |
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Products provided by famous enterprises are deeply trusted by users.
Shanghai Dengsheng Instrument Manufacturing Co., Ltd. is a high-tech enterprise integrating R&D, production, sales, and service. We specialize in the manufacture of high-end laboratory equipment, including ovens, incubators, industrial furnaces, and environmental test chambers.
As High Extraction Efficiency Two-Stage Rotary Vane Vacuum Pump Manufacturers and High Extraction Efficiency Two-Stage Rotary Vane Vacuum Pump Factory in China, We boast an 8,000-square-meter modern production facility, a dedicated R&D team, 23 national patents, and ISO-9001 quality management system certification. Our solutions are widely used in cutting-edge fields such as aerospace, semiconductors, biomedicine, automotive, and new materials. We have established in-depth partnerships with top universities and industry leaders, supply High Extraction Efficiency Two-Stage Rotary Vane Vacuum Pump Wholesale, our products are exported to many countries and regions around the world.
Adhering to the principles of "Integrity, Innovation, and Win-Win," we are committed to becoming your trusted partner with reliable quality and dedicated service.
We welcome inquiries and cooperation from both new and existing customers, providing professional equipment solutions.
2025/11/27
2025/11/12
2025/11/12