Vacuum Pumps
Extreme Pressure: 200 mbar
Pumping Speed: 750-7500m³/h
Motor Power: 11-110kW
●Fast – shorten the evacuation time.
●Reliable – Stable operation even under harsh industrial application conditions.
●Intelligent – built in control system has strong communication ability and automatic control ability.
●Economical – low running costs.
●Environmental protection – low carbon emissions: no need for water, no oil, low electricity consumption, no pollution from waste oil emissions.
Permanent magnet variable frequency oil screw vacuum pump
| Model | FAD (m³/hr) | Working pressure mbar(a) | oil volume (L) | Noise [dB(A)] | operating environmental temperature (C°) | Dimension (L*W*H) (mm) | inlet port | Motor Power(kW) | Motor Power (hp) |
|---|---|---|---|---|---|---|---|---|---|
| NXV-160VSD+ | 160 | 0.35 | 8 | 50-60 | 0-46 | 1000*680*760 | G2 | 2.2 | 3 |
| NXV-300VSD+ | 300 | 0.35 | 8 | 50-60 | 0-46 | 1000*680*760 | G2 | 4 | 5.5 |
| NXV-380VSD+ | 380 | 0.35 | 8 | 50-60 | 0-46 | 1000*680*760 | G2 | 5.5 | 7.5 |
| NXV-450VSD+ | 450 | 0.35 | 12 | 51-65 | 0-46 | 1120*900*1060 | DN80 | 5.5 | 7.5 |
| NXV-580VSD+ | 580 | 0.35 | 12 | 51-65 | 0-46 | 1120*900*1060 | DN80 | 7.5 | 10 |
| NXV-730VSD+ | 730 | 0.35 | 16 | 51-73 | 0-46 | 1360*1000*1130 | DN80 | 11 | 15 |
| NXV-900VSD+ | 900 | 0.35 | 16 | 51-73 | 0-46 | 1360*1000*1130 | DN80 | 15 | 20 |
| NXV-1300VSD+ | 1300 | 0.35 | 40 | 65-79 | 0-46 | 1800*1590*1470 | DN150 | 22 | 30 |
| NXV-1800VSD+ | 1800 | 0.35 | 40 | 65-79 | 0-46 | 1800*1590*1470 | DN150 | 30 | 40 |
| NXV-2200VSD+ | 2200 | 0.35 | 40 | 65-79 | 0-46 | 1800*1590*1470 | DN150 | 37 | 50 |
| NXV-3000VSD+ | 3200 | 1 | 85 | 65-79 | 0-46 | 2200*1610*1700 | DN150 | 45 | 60 |
| NXV-3800VSD+ | 3800 | 1 | 85 | 65-90 | 0-46 | 2200*1610*1700 | DN150 | 55 | 75 |
| NXV-4600VSD+ | 4600 | 1 | 85 | 65-90 | 0-46 | 2980*2000*2000 | DN200 | 75 | 100 |
| NXV-5400VSD+ | 5400 | 1 | 90 | 65-90 | 0-46 | 2980*2000*2000 | DN200 | 90 | 120 |
| NXV-6500VSD+ | 6500 | 1 | 105 | 65-90 | 0-46 | 2980*2000*2000 | DN200 | 110 | 150 |
Frequency conversion oil-free screw vacuum pump
| Model | FAD (m³/hr) | Working pressure [mbar(a)] | Noise [dB(A)] | inlet port | Dimension (L*W*H) (mm) | Motor Power (kw) |
|---|---|---|---|---|---|---|
| NXV-11VSP | 750 | 200 | 60-65 | DN125 | 1360*1000*1134 | 11 |
| NXV-15VSP | 900 | 200 | 60-65 | DN125 | 1360*1000*1134 | 15 |
| NXV-22VSP | 1200 | 200 | 65-70 | DN125 | 1360*1000*1134 | 22 |
| NXV-22VSP+ | 1500 | 200 | 75-80 | DN150 | 2160*1300*1560 | 22 |
| NXV-30VSP | 1880 | 200 | 75-80 | DN150 | 2160*1300*1560 | 30 |
| NXV-37VSP | 1980 | 200 | 75-80 | DN150 | 2160*1300*1560 | 37 |
| NXV-37VSP+ | 2550 | 200 | 80-83 | DN200 | 2160*1300*1560 | 37 |
| NXV-45VSP | 3050 | 200 | 80-83 | DN200 | 2160*1300*1560 | 45 |
| NXV-55VSP | 3500 | 200 | 80-85 | DN200 | 2160*1300*1560 | 55 |
| NXV-55VSP+ | 4000 | 200 | 80-86 | DN300 | 2610*1726*1910 | 55 |
| NXV-75VSP | 5100 | 200 | 80-87 | DN300 | 2610*1726*1910 | 75 |
| NXV-90VSP | 6000 | 200 | 85-90 | DN300 | 2610*1726*1910 | 90 |
| NXV-110VSP | 7500 | 200 | 85-90 | DN300 | 2610*1726*1910 | 110 |
Glass rotor flowmeter
Resistance to thermal shock, pressure and oxidation is the result of employing borosilicate glass tube bodies that can withstand pressures up to 13.8 bar (200 psi). Plus, corrosion-resistant material options for scales, floats, fittings and valves accommodate a variety of applications, whether in the lab or in industrial processes.
Pneumatic Angle seat valve
• High Cycle-Life
• Visual Indicator
• Robust Seat & Stem
• Actuator Head Rotates 360°
• Integrated Pneumatic Actuator
• Suitable for General Service Applications
Double eccentric pneumatic butterfly valve
• High Cycle-Life
• Visual Indicator
• Robust Seat & Stem
• Actuator Head Rotates 360°
• Integrated Pneumatic Actuator
• Suitable for General Service Applications
The piston of pneumatic valve
The piston of pneumatic valve with integrated positioner for control applications with neutral to highly aggressive media. The straight design enables a highly efficient and very simple insulation of the valve body as well as the welded-on pipeline.
Inlet control valve
The intelligent control valve is mounted on the vacuum pump, to adjust the degree of opening automatically, to ensure that the main host has a minimum vacuum degree, to ensure that the lubricating oil circulation. The suction loss is lower and helps improve overall efficiency of the vacuum pump. If a sudden power failure or shutdown occurs, air intake will close automatically to prevent oily discharge.
Frequently Asked Questions
A vacuum pump is a device or equipment that uses mechanical, physical, chemical, or physicochemical methods to evacuate a container and obtain a vacuum. In simple terms, a vacuum pump is a device that improves, produces, and maintains a vacuum in a closed space using various methods. It is widely used in industries such as metallurgy, chemical engineering, food, and electronic coating.
For example, single-stage compression screw machine rotor: the pressure at the inlet end is about 1 bar of atmospheric pressure, compressed by the rotor to an outlet pressure of 8 bar, the compression ratio of the compression process is 8/1, that is, the single-stage compressor compression ratio of 8. While the pressure at the inlet end of the dual-stage is about 1 bar of atmospheric pressure, compressed by the first-stage rotor to an outlet pressure of about 3 bar, and then into the second-stage rotor compression to enhance the pressure to the required 8 bar The compression ratio of the first stage low pressure rotor is about 3, and the compression ratio of the second stage high pressure rotor is 8/3 ≈ 2.67, i.e. the compression ratio of the second stage is about 2.67. The maximum compression ratio of the two-stage compression rotor system is about 3.
When selecting a vacuum pump, there are several key points to consider. First, the pump’s ultimate vacuum and working pressure should meet the requirements of the equipment, with the ultimate vacuum being one to two orders of magnitude higher than the working vacuum. The pump’s working point should also be within its stable pressure range. Second, the pump’s exhaust capacity should be sufficient to remove all gases produced during the vacuum process. Third, multiple pumps may need to be combined to meet specific requirements, such as pre-vacuum or supplementary pumping. Fourth, if the equipment requires oil-free operation, oil-free pumps such as liquid ring pumps, claw pumps, or screw pumps should be selected. However, if cost is a factor and strict oil-free requirements are not necessary, oil pumps can be used with additional measures to prevent oil contamination. Fifth, the composition of the gas being pumped should be considered when selecting a pump, with appropriate pumps chosen for gases containing vapor, particles, or corrosive substances. Auxiliary equipment such as condensers, dust collectors, and anti-corrosion treatments may also be necessary. Finally, other factors such as back pressure at the exhaust port, motor power, price, and after-sales maintenance should also be taken into account when selecting a vacuum pump.
In order to meet the demands of harsh chemical processes with long operating cycles, vacuum pumps must first and foremost be reliable, durable, and have stable performance. Additionally, they must possess the following characteristics:
Firstly, it must be able to handle various solvents without causing damage to the pump. Secondly, it should not cause pollution to the environment or the process itself. Thirdly, the production of waste should be minimized as much as possible. Fourthly, the vacuum pump must be corrosion-resistant. Fifthly, it should be able to handle flammable gases or vapors. Lastly, it should be able to suction liquids without damaging the pump.
Next, check the oil level and look for any leaks or obstacles around the machine. If it’s a water-cooled machine, open the cooling water valve and pump, and confirm that the water pressure is normal. Finally, turn on the power and start the machine. If it has been idle for a while, start it a few times before running it continuously to avoid unnecessary malfunctions such as overheating or overload.
