China 2500 L/S Zjt-2500 Tri-Lobe Roots Vacuum Pump with Good quality

Product Description

 

Working theory

Roots vacuum pump is a kind of rotary good-displacement type of pump. The 2 3-lobe rotors maintain a specific hole with the housing, and the 2 rotors mesh with each other and preserve a particular hole when they rotate in the housing via a pair of synchronous reverse rotation high-precision gears. The diagram on the correct shows the construction theory of the pump, from diagram I to IV, the rotor rotates in the house and completes 1 suction and discharge method.
The Roots vacuum pump with 3-lobe rotors has complex rewards above the conventional two-lobe rotors in terms of pumping performance, maximum allowable differential strain, temperature, vibration, noise and other main performances.

 

Main features

When compared with the traditional two-lobe Roots vacuum pump, there are under positive aspects:
one. Much greater efficiency, reduced temperature, vibration and sound.
two. A lot more stable and reliable, much more hassle-free to use and sustain.
Other functions:
1. Lower failure because of to the rotors are fixed and no axial run-out.
2. Large-precision transmission gear and precision rolling bearing are employed, ensuing in low noise and easy operation.
three. The primary shaft use special mechanical seal to make certain oil-free of charge pump chamber.
7. Mechanical seal, oil seal, piston ring labyrinth seal and other sorts of seal can be used for end cover.
8. It is utilised in pump mixtures jointly with rotary vane vacuum pump, reciprocating pump, liquid ring pump, dry screw pump and other kinds of backing pumps to meet up with different procedure needs.

Applications

The gain of Roots vacuum pump is that it has large pumping performance even at reduced inlet strain, but ordinary Roots vacuum pump can’t be employed by yourself, it should be used in pump combos jointly with the backing pumps. The Roots vacuum pump can be began only right after the pressure in the program is pumped to the allowable starting stress of the Roots vacuum pump by the backing pump.
In accordance to distinct doing work pressure and approach problems, the backing pump of Roots vacuum pump can be rotary vane vacuum pump, liquid ring vacuum pump, dry screw vacuum pump and so on. The overall performance of Roots vacuum pumps are various when mix with different backing pumps.
Roots vacuum pumps are primarily employed in any vacuum technique necessitating massive pumping velocity and tough and medium vacuum (103-10-2Pa), such as: vacuum coating, vacuum welding furnace, vacuum heat remedy furnace, huge space simulation take a look at, microelectronics and built-in circuits, lamp and bulb manufacturing, laser production, vacuum packaging, centralized pumping program, numerous chemical processing, vacuum degassing vacuum deaeration, vacuum dehydration, vacuum CZPT drying, vacuum distillation.

Item Parameters

Model Nominal pumping velocity(50Hz) Greatest stress Highest allowable force variation Nominal motor rating (50Hz)   Nominal motor speed  (50Hz)  Suction Link measurement Discharge Connection dimensions Fat Backing pump recommended
L/s Pa Pa Kw rpm mm mm Kg
ZJT-70 70 ≤0.five ≥1.2*10four one.5 1450 one hundred 80 165 DVP180 or DSP140
ZJT-a hundred and fifty a hundred and fifty ≤0.5 ≥1*104 3 2900 100 eighty a hundred sixty five DVP360 or DSP280
ZJT-three hundred three hundred ≤0.five ≥8*103 four 2900 one hundred sixty 100 275 DVP540 or DSP540
ZJT-600 600 ≤0.5 ≥6*10three five.5 2900 two hundred 160 420 DVP540 or DSP540
ZJT-1200 1200 ≤0.05 ≥5*10three 11 2900 250 200 980 ZJTQ-three hundred+DVP540
ZJT-2500 2500 ≤0.05 ≥4*10three eighteen.five 2900 320 250 1800 ZJTQ-600+DVP540
ZJT-5000 5000 ≤0.05 ≥3*tenthree 37 1450 300 300 3580 ZJTQ-1200+DVP800

Observe:
one. The pumping velocity refers to the optimum pumping speed measured at the inlet pressure of the Roots vacuum pump in the range of 67 pa to 2.sixty seven pa under the conditions of the advised backing pump. (see p Pumping velocity diagram)
2. The final force is the lowest value of the secure air partial strain calculated at the pump inlet with a compression vacuum gauge soon after full pumping with no any added container and no air inlet under the condition of the advised backing pump.
3. The info of the earlier mentioned desk is received underneath the condition of using the advised backing pump, users can pick distinct backing vacuum pumps in accordance to diverse conditions, but the major functionality index will be altered.
 

Pressure diagram

 

 

Dimension

 

Model L L1 L2 L3 H H1 H2 H3 A A1 A2 D D1 D2 N-M d d1 d2 n-m
ZJT-70 730 191 330 360 270 252   forty 256   214 Ф80 Ф125 Ф145 eight-M8 Ф50 Ф90 Ф110 four-M8
ZJT-one hundred fifty 938 . 273 132 184 350 330 116.5 thirty 392 358 300 Ф100 Ф145 Ф165 eight-M8 Ф80 Ф125 Ф145 8-M8
ZJT-three hundred 1032 323 185 259 405 385 a hundred thirty five 40 455 420 350 Ф150 Ф200 Ф225 eight-M10 Ф100 Ф145 Ф165 eight-M8
ZJT-600 1282 405 220 304 520 495 one hundred sixty five 35 587 548 450 Ф200 Ф260 Ф285 twelve-M10 Ф150 Ф200 Ф225 8-M10
ZJT-1200 1573 473 296 392 650 625 218.five fifty eight 722 678 560 Ф250 Ф310 Ф335 twelve-M10 Ф200 Ф260 Ф285 12-M10
ZJT-2500 1890 594 440 552 730 seven hundred 220 55 858 810 660 Ф320 Ф395 Ф425 twelve-M12 Ф250 Ф310 Ф335 twelve-M10

FAQ

Q: What data need to I offer you for an inquiry?
A: You can inquire primarily based on the product immediately, but it is usually suggested that you contact us so that we can assist you to verify if the pump is the most appropriate for your application.

Q: Can you make a customized vacuum pump?
A: Yes, we can do some special types to satisfy customer applications. This sort of as customized sealing methods, speical surface remedy can be utilized for roots vacuum pump and screw vacuum pump. You should contact us if you have unique requirements. 

Q: I have troubles with our vacuum pumps or vacuum methods, can you offer you some aid?
A: We have application and design and style engineers with more than 30 a long time of expertise in vacuum applications in different industries and assist a good deal of clients take care of their troubles, these kinds of as leakage concerns, energy-saving solutions, much more environment-friendly vacuum systems, and many others. Please make contact with us and we’ll be extremely pleased if we can supply any assist to your vacuum technique.

Q: Can you design and style and make custom-made vacuum programs?
A: Of course, we are good for this.

Q: What is your MOQ?
A: 1 piece or 1 established.

Q: How about your supply time?
A: 5-10 working times for the normal vacuum pump if the quantity is under twenty parts, 20-30 functioning days for the conventional vacuum method with significantly less than 5 sets. For much more quantity or special specifications, make sure you make contact with us to check out the guide time.

Q: What are your payment phrases?
A: By T/T, fifty% advance payment/deposit and fifty% paid prior to cargo.

Q: How about the warranty?
A: We provide 1-12 months warranty (apart from for the wearing parts).

Q: How about the support?
A: We supply remote video clip technological support. We can send the services engineer to the site for some particular specifications.


/ Piece
|
1 Piece

(Min. Order)

###

After-sales Service: Online Video Instruction
Warranty: 1 Year
Oil or Not: Oil Free
Structure: Rotary Vacuum Pump
Nominal Pumping Speed(50Hz): 2500 L/S
Ultimate Pressure: 0.5 PA

###

Model Nominal pumping speed(50Hz) Ultimate pressure Maximum allowable pressure difference Nominal motor rating (50Hz)   Nominal motor speed  (50Hz)  Suction Connection size Discharge Connection size Weight Backing pump recommended
L/s Pa Pa Kw rpm mm mm Kg
ZJT-70 70 ≤0.5 ≥1.2*104 1.5 1450 100 80 165 DVP180 or DSP140
ZJT-150 150 ≤0.5 ≥1*104 3 2900 100 80 165 DVP360 or DSP280
ZJT-300 300 ≤0.5 ≥8*103 4 2900 160 100 275 DVP540 or DSP540
ZJT-600 600 ≤0.5 ≥6*103 5.5 2900 200 160 420 DVP540 or DSP540
ZJT-1200 1200 ≤0.05 ≥5*103 11 2900 250 200 980 ZJTQ-300+DVP540
ZJT-2500 2500 ≤0.05 ≥4*103 18.5 2900 320 250 1800 ZJTQ-600+DVP540
ZJT-5000 5000 ≤0.05 ≥3*103 37 1450 300 300 3580 ZJTQ-1200+DVP800

###

Model L L1 L2 L3 H H1 H2 H3 A A1 A2 D D1 D2 N-M d d1 d2 n-m
ZJT-70 730 191 330 360 270 252   40 256   214 Ф80 Ф125 Ф145 8-M8 Ф50 Ф90 Ф110 4-M8
ZJT-150 938 . 273 132 184 350 330 116.5 30 392 358 300 Ф100 Ф145 Ф165 8-M8 Ф80 Ф125 Ф145 8-M8
ZJT-300 1032 323 185 259 405 385 135 40 455 420 350 Ф150 Ф200 Ф225 8-M10 Ф100 Ф145 Ф165 8-M8
ZJT-600 1282 405 220 304 520 495 165 35 587 548 450 Ф200 Ф260 Ф285 12-M10 Ф150 Ф200 Ф225 8-M10
ZJT-1200 1573 473 296 392 650 625 218.5 58 722 678 560 Ф250 Ф310 Ф335 12-M10 Ф200 Ф260 Ф285 12-M10
ZJT-2500 1890 594 440 552 730 700 220 55 858 810 660 Ф320 Ф395 Ф425 12-M12 Ф250 Ф310 Ф335 12-M10

/ Piece
|
1 Piece

(Min. Order)

###

After-sales Service: Online Video Instruction
Warranty: 1 Year
Oil or Not: Oil Free
Structure: Rotary Vacuum Pump
Nominal Pumping Speed(50Hz): 2500 L/S
Ultimate Pressure: 0.5 PA

###

Model Nominal pumping speed(50Hz) Ultimate pressure Maximum allowable pressure difference Nominal motor rating (50Hz)   Nominal motor speed  (50Hz)  Suction Connection size Discharge Connection size Weight Backing pump recommended
L/s Pa Pa Kw rpm mm mm Kg
ZJT-70 70 ≤0.5 ≥1.2*104 1.5 1450 100 80 165 DVP180 or DSP140
ZJT-150 150 ≤0.5 ≥1*104 3 2900 100 80 165 DVP360 or DSP280
ZJT-300 300 ≤0.5 ≥8*103 4 2900 160 100 275 DVP540 or DSP540
ZJT-600 600 ≤0.5 ≥6*103 5.5 2900 200 160 420 DVP540 or DSP540
ZJT-1200 1200 ≤0.05 ≥5*103 11 2900 250 200 980 ZJTQ-300+DVP540
ZJT-2500 2500 ≤0.05 ≥4*103 18.5 2900 320 250 1800 ZJTQ-600+DVP540
ZJT-5000 5000 ≤0.05 ≥3*103 37 1450 300 300 3580 ZJTQ-1200+DVP800

###

Model L L1 L2 L3 H H1 H2 H3 A A1 A2 D D1 D2 N-M d d1 d2 n-m
ZJT-70 730 191 330 360 270 252   40 256   214 Ф80 Ф125 Ф145 8-M8 Ф50 Ф90 Ф110 4-M8
ZJT-150 938 . 273 132 184 350 330 116.5 30 392 358 300 Ф100 Ф145 Ф165 8-M8 Ф80 Ф125 Ф145 8-M8
ZJT-300 1032 323 185 259 405 385 135 40 455 420 350 Ф150 Ф200 Ф225 8-M10 Ф100 Ф145 Ф165 8-M8
ZJT-600 1282 405 220 304 520 495 165 35 587 548 450 Ф200 Ф260 Ф285 12-M10 Ф150 Ф200 Ф225 8-M10
ZJT-1200 1573 473 296 392 650 625 218.5 58 722 678 560 Ф250 Ф310 Ф335 12-M10 Ф200 Ф260 Ф285 12-M10
ZJT-2500 1890 594 440 552 730 700 220 55 858 810 660 Ф320 Ф395 Ф425 12-M12 Ф250 Ф310 Ф335 12-M10

What Are Vacuum Pumps?

Vacuum pumps use air flow as the source of energy. The system is ideal for dewatering wet media, creating filter cakes, and pneumatically moving materials through a pipe. A vacuum pump works through air flow that is moved by differential pressure. The pump’s air flow develops a vacuum in a chamber that is called the vacuum box. As the air flow collects gas at a faster rate than atmospheric pressure, it is considered the “heart” of a vacuum system.
Vacuum Pump

Principles of operation

Vacuum pumps work by reducing the volume of air that moves through them. Depending on the design, there are several different types of vacuum pumps. All of these types operate under the same principles, but have their own special features. Here are some of their most important characteristics. In addition to their capacity, the main differences between these pumps are their manufacturing tolerances, materials of construction, and level of tolerance for chemicals, oil vapor, and vibration.
Vacuum pumps create a partial or low-pressure vacuum by forcing gas molecules from their high-pressure states to their low-pressure states. However, these pumps can only achieve a partial vacuum, and other methods are necessary to reach a higher level of vacuum. As with all pumps, there are several ways to increase the level of a vacuum.
First, consider the type of vacuum you want. This is the most important factor when choosing a vacuum pump. If you need a high level of vacuum, you’ll need a high-quality vacuum pump. High-quality vacuum pumps have a high pressure limit, while ultrahigh-quality pumps are capable of achieving a very low vacuum. As the pressure decreases, the amount of molecules per cubic centimeter decreases and the quality of the vacuum increases.
Positive displacement pumps are best suited for low and medium-pressure systems. But they can’t reach high vacuum, which is why most high-pressure systems use two pumps in tandem. In this case, the positive displacement pump would stall and the other one would be used instead. Similarly, entrapment pumps have higher-pressure limits, so they must be refreshed frequently or exhaust frequently when there is too much gas to capture.
Another important aspect of vacuum pump operation is its speed. The speed of pumping is proportional to the differential pressure across the system. Therefore, the faster the pumping speed, the lower the draining time.

Design

A vacuum pump is a mechanical device used to generate a vacuum. It can create a low or high vacuum. These pumps are used in the process of oil regeneration and re-refining. The design of a vacuum pump must be compatible with the vacuum. The pump’s mass and speed should be matched.
The design of a vacuum pump is important for many reasons. It should be easy to use and maintain. Vacuum pumps need to be protected from external contamination. For this reason, the oil must be kept clean at all times. Contamination may damage the oil, resulting in pump failure. The pump’s design should include features that will prevent this from happening.
The main objective of a vacuum pump is to remove air and other gases from a chamber. As the pressure of the chamber drops, the amount of molecules that can be removed becomes more difficult. Because of this, industrial and research vacuum systems typically require pumps to operate over a large pressure range. The range is generally between one and 10-6 Torr. A standard vacuum system uses multiple pumps, each covering a portion of the pressure range. These pumps can also be operated in a series to achieve optimal performance.
The design of a vacuum pump can vary depending on the application and the pressure requirement. It should be sized appropriately to ensure that it works properly. There are several different types of pumps, so selecting the right pump is essential to maximizing its efficiency. For example, a slow running vee belt drive rotary vane vacuum pump will have a lower running temperature than a fast-running direct-drive pump.
Vacuum Pump

Performance

The performance of a vacuum pump is an important indicator of its overall condition. It helps determine whether the system is performing optimally and how high the ultimate vacuum level can be achieved. A performance log should be maintained to document variations in pump operating hours and voltage as well as the temperature of the pump’s cooling water and oil. The log should also record any problems with the pump.
There are several ways to increase the performance of a vacuum pump. For example, one way is to decrease the temperature of the working fluid. If the temperature of the fluid is too high, it will lead to a low vacuum. A high temperature will make the vacuum degree of the pump even lower, so heat transfer is an important part of the process.
Nozzles are another major component that impacts the performance of a vacuum pump. Damage or clogging can result in a compromised pumping capacity. These problems can occur due to a number of causes, including excessive noise, leakage, and misassembled parts. Nozzles can also become clogged due to rusting, corrosion, or excess water.
Performance of vacuum pump technology is vital for many industries. It is an integral part of many central production processes. However, it comes with certain expenses, including machines, installations, energy, and maintenance. This makes it essential to understand what to look for when purchasing a vacuum pump. It is important to understand the factors that can influence these factors, as they affect the efficiency of a vacuum pump.
Another important factor in determining the performance of a vacuum pump is throughput. Throughput is a measurement of how many molecules can be pumped per unit of time at a constant temperature. Moreover, throughput can also be used to evaluate volume leak rates and pressure at the vacuum side. In this way, the efficiency of a vacuum pump can be judged by the speed and throughput of its leaks.

Atmospheric pressure

Vacuum pumps work by sucking liquids or air into a container. The amount of vacuum a pump can create is measured in pressure units called atms (atmospheric pressure). The pressure of a vacuum pump is equal to the difference between atmospheric pressure and the pressure in the system.
The amount of force produced by air molecules on each other is proportional to the number of impacts. Therefore, the greater the impact, the higher the pressure. In addition, all molecules have the same amount of energy at any temperature. This holds true for both pure and mixture gases. However, lighter molecules will move faster than heavier ones. Nevertheless, the transfer of energy is the same for both.
The difference between atmospheric and gauge pressure is not always straightforward. Some applications use one term to describe the other. While the two concepts are closely related, there are key differences. In most cases, atmospheric pressure is a higher number than gauge pressure. As a result, it can be confusing when choosing a vacuum pump.
One method is to use a U-tube manometer, a compact device that measures the difference between atmospheric pressure and vacuum. This device is commonly used for monitoring vacuum systems. It can measure both negative and positive pressure. In addition, it uses an electronic version of a gauge.
The atmospheric pressure affects the performance of a vacuum pump. When working with porous materials, the pump must overcome leakage. As a result, it must be equipped with enough capacity to compensate for variations in the porosity of the work piece. This is why it is critical to buy a vacuum pump that has a large enough capacity to handle the variation.
Vacuum Pump

Typical application

Vacuum pumps are used in a variety of applications. They generate low and high pressures and are used to evaporate water or gases from various materials. They are also used in petroleum regeneration and re-refining processes. Typical applications of vacuum pumps include: a.
b. Rotary vane pumps are used in a variety of vacuum applications. They are suitable for industrial applications, freeze drying and cabinet making. They use oil as a sealant and coolant, allowing them to perform well in a variety of applications. This makes them ideal for use in a variety of industries.
The pumping rate of the vacuum pump is important. This refers to the volume pumped from a given point at a given rate. The higher the speed, the faster the pump will expel the air. Depending on the gas composition, this number will vary. When choosing a vacuum pump, gas composition and process requirements should be considered.
Vacuum pumps are used in a variety of industries from laboratories to medical facilities. In medical applications, they are used in radiation therapy and radiopharmaceuticals. They are also used in mass spectrometers, which are instruments used to analyze solid, liquid, or surface materials. Vacuum pumps are also used in decorative vacuum coatings and Formula 1 engine components. A trash compactor is another example of using a vacuum pump.
Vacuum pumps are used in a variety of applications including water purification and aeration. Vacuum pumps are also used in portable dental equipment and compressors in the dental industry. Vacuum pumps are also used in molds for dental implants. Other common applications for vacuum pumps include soil aeration and air sampling.

China 2500 L/S Zjt-2500 Tri-Lobe Roots Vacuum Pump     with Good quality China 2500 L/S Zjt-2500 Tri-Lobe Roots Vacuum Pump     with Good quality
editor by CX2023-03-27