China supplier Runoff Molecular Vacuum Pump for Evaporation Coating with Great quality

Product Description


Product Description

Runoff Molecular Vacuum Pump
The radial molecular vacuum pump has a simple structure and adopts a flat disc rotor to overcome many disadvantages of the traditional molecular pump. It can increase the pumping speed by 50% without increasing the rotating speed.

Runoff Molecular Vacuum Pump

Our Advantages

Product performance characteristics

1.No need for dry pump, low cost, high pumping speed, clean and oil-free vacuum can be obtained, and the vacuum quality can reach the effect of liquid nitrogen cold trap+ dry pump.
2. It has dual functions of medium and high vacuum pumps, 1 for two, and can simplify the structure of the vacuum system, saving space and the cost of the whole set of equipment.
3.High pumping speed, high vacuum pumping speed 50% higher than molecular pump, medium vacuum pumping speed 3-50 times higher than roots pump.
4.Low energy consumption, only 1/2 of molecular pump, 1/5 of diffusion pump and 1/10 of roots pump
5.Small size and light weight, only 2/3 of molecular pump, 1/4 of diffusion pump and 1/10 of roots pump

Typical Use

application area

—–Heavy ion accelerator

—–Solar cell, LED, display screen, super capacitor, power capacitor

—–Evaporation coating, optical coating, titanium gold coating, continuous coating production line, chemical vapor deposition

—–Rare earth permanent magnet material sintering, vacuum brazing, vacuum heat treatment, vacuum dehydroxylation

—–Molecular distillation, biopharmaceutical, CZPT drying

—–Vacuum maglev train

Product Parameters

technical parameter

project Unit MB-150D MB-200D MB-250D ML-200D ML-250D
Air inlet / outlet mm ∅150/∅30 ∅200/∅40 ∅250/∅50 ∅200/∅40 ∅250/∅50
speed rpm 30,000 24,000 24,000 24,000 24,000
Pumping speed L/s 450 1,000 1,500 1,500 2,200
Maximum inlet pressure Pa 100 100 100 50 50
Ultimate pressure Pa 10-5 10-5 10-5 10-5 10-5
Start time min 3 6 6 6 6
cooling water(25ºC) L/m 3 6 6 6 6
energy consumption kw 0.2 0.3 0.5 0.2 0.3
weight kg 25 42 52 22 28
Front stage pump L/s 4 25 25 15 15



Detailed Photos

Runoff Molecular Vacuum Pump

Runoff Molecular Vacuum Pump




General Manager Speech

Deeply cultivate the vacuum technology, and research,develop and manufacture the vacuum equipment to provide the best solution in the vacuum field and make the vacuum application easier.

Company Profile

ZheJiang Kaien Vacuum Technology Co., Ltd. is a high-tech enterprise integrating R & D, production and operation of vacuum equipment. The company has strong technical force, excellent equipment and considerate after-sales service. The product manufacturing process is managed in strict accordance with IS09001 quality system. It mainly produces and sells screw vacuum pump, roots pump, claw vacuum pump, runoff vacuum pump, scroll pump, water ring vacuum pump, vacuum unit and other vacuum systems.

 New plant plHangZhou

The company’s products have been for a number of food, medicine, refrigeration, drying plants and a number of transformer related equipment manufacturers for vacuum equipment. The products are widely used in vacuum drying and dehydration, kerosene vapor phase drying, vacuum impregnation, vacuum metallurgy, vacuum coating, vacuum evaporation, vacuum concentration, oil and gas recovery, etc.

 High precision machining equipment

The company cooperates with many scientific research institutions and universities, such as ZheJiang University, China University of petroleum, ZheJiang Institute of mechanical design, etc.with colleges and universities to research and develop core technologies, and owns dozens of independent intellectual property patents.Our technology is leading, the product quality is stable, the product has a good reputation in China’s domestic market, is sold all over the country, and is exported to Europe, America, Africa, the Middle East and Southeast Asia,We adhering to the basic tenet of quality, reputation and service, the company takes leading-edge technology of vacuum pump as its own responsibility, and wholeheartedly serves customers of vacuum equipment application in various industries with rigorous working attitude and professional working style.

Product quality wins consumer cooperationIn shipment ISO 9001 High tech enterprise certificate


Welcome to send your needs, we will provide you with the best service,

provide the greatest help!!!

Warranty: One Year
Oil or Not: Oil Free
Structure: Screw
Exhauster Method: Entrapment Vacuum Pump
Vacuum Degree: High Vacuum
Work Function: Mainsuction Pump


Vacuum Pump

Disadvantages of using a vacuum pump

A vacuum pump is a device that pulls gas molecules out of a volume and leaves a partial vacuum. Its main function is to create a relative vacuum within a given volume. There are several types of vacuum pumps. Some of them are better suited for specific purposes than others. However, there are some disadvantages to using a vacuum pump.

Application of vacuum pump

Vacuum pumps are invaluable tools in many industrial and scientific processes. They are often used to move gas and other harmful substances and to clear clogged drains. They are also used to support mechanical equipment. For example, they can be mounted on the engine of a motor vehicle or the power hydraulic component of an aircraft. No matter how they are used, they should fit the application.
The principle of a vacuum pump is to draw gas from a sealed chamber to create a partial vacuum. Over the years, vacuum pump technology has evolved from its original beginnings to its current form. Today, there are many types of vacuum pumps, including rotary vane pumps, momentum transfer pumps, and regeneration pumps.
The semiconductor industry is a major user of vacuum pumps. Among other applications, these pumps are commonly used for mounting circuit boards, securing components, blowing and jetting, and pumping. The use of renewable resources has paved the way for widespread semiconductor production, where vacuum pumps are crucial. This manufacturing shift is expected to boost vacuum pump sales across Europe.
Vacuum Pump
The most common types of vacuum pumps are positive displacement and rotary vane pumps. Positive displacement pumps are most effective for rough vacuum applications and are usually paired with momentum transfer pumps. These pumps are used in pharmaceutical, food and medical processes. They are also used in diesel engines, hydraulic brakes and sewage systems.
Positive displacement pumps are used to create low vacuum conditions and create a partial vacuum. These pumps create lower air pressure by enlarging the chamber and allowing gas to flow into the chamber. The air in the cavity is then vented to the atmosphere. Alternatively, momentum transfer pumps, also known as molecular pumps, use high-speed rotating blades to create dense fluids.
Vacuum Pump

Their drawbacks

Vacuum pumps are useful in industrial applications. However, they are not perfect and have some drawbacks. One of them is that their output is limited by the vacuum hose. Vacuum hoses are the bottleneck for vacuum pump performance and evacuation rates. The hose must be kept free of water and organic matter to ensure the highest possible vacuum.
Dry vacuum pumps do not have these problems. They may be more cost-effective but will increase maintenance costs. Water consumption is another disadvantage. When pond water is used, the pump puts additional pressure on the treatment facility. Additionally, contaminants from the gas can become trapped in the water, shortening the life of the pump.
Another disadvantage of vacuum pumps is their limited operating time at low vacuum. Therefore, they are only suitable for extremely high vacuum levels. Diaphragm pumps are another option for industrial applications. They have a sealed fluid chamber that allows a moderate vacuum. They also feature short strokes and a low compression ratio, making them quieter than their reciprocating counterparts.
Vacuum pumps are used in many industrial and scientific processes. They can be used to transport hazardous materials or clear clogged drains. They are also used in rear doors and dump tanks. Certain types of vacuum pumps can cause fluid blockages, which can be harmful. The vacuum pump should also be well suited to the fluid in it to avoid contamination.
Another disadvantage is the lack of proper vacuum system testing equipment. Mechanics often underestimate the importance of a properly functioning vacuum system. Most stores lack the equipment needed for proper troubleshooting. Typically, mechanics rely on the cockpit vacuum gauge to determine if the pump is working properly.
Some vacuum pumps are capable of providing constant vacuum. These pumps are also capable of eliminating odors and spills. However, these advantages are outweighed by some disadvantages of vacuum pumps.

China supplier Runoff Molecular Vacuum Pump for Evaporation Coating   with Great quality China supplier Runoff Molecular Vacuum Pump for Evaporation Coating   with Great quality
editor by CX 2023-04-24