China Custom Liquid Water Ring Single Two Stage Air Pressure Vertical Type Reciprocating Piston Pump Slide Valve Vacuum Pump for Chemical Industry vacuum pump belt

Product Description

we located in the famous pump city of HangZhou China,our city have 40 years of experience of produce pumps.full of types & quality ensured, Perfect industrial chain ,Fast production cycle,
We can customize and design various raw material (stainless steel/Aluminum/bronze)vacuum pumps and pumps according to the requirements of users.

We are a professional manufacturer of vacuum equipment, strong technical force, sophisticated process equipment, perfect detection means, product performance to international standards. Our main products are: 2BEA, 2BEC, 2BV, SK, 2SK, 2sk-p1, SZ, SZB series water ring vacuum pump and compressor, W, WY series reciprocating vacuum pump, 2x series rotary vane vacuum pump, 2bw series water ring vacuum pump / compressor closed cycle system, ZJ series Roots vacuum pump, JZ, j2b series Roots water (liquid) ring vacuum unit and other vacuum equipment. Products are widely used in machinery, petroleum, chemical industry, papermaking, electronics, mining, metallurgy, medicine, sugar, printing and dyeing, plastics, pesticides, brick and tile machinery, low-temperature equipment, food machinery and other industries and other fields.
technical data:

2BV series vacuum pump is an upgraded product developed with new technology on the basis of traditional water ring vacuum pump in China. It adopts the design of pump coaxial direct connection, high reliability, easy installation and maintenance, and its volume is 30% less than that of traditional vacuum pump. It runs balanced, noise is less than 62 dB, has self-priming ability, and is easy to operate. Because of the oil-free design, it is basically free from maintenance because of the use of mechanical seals to eliminate leakage. 50% of the working fluid of the gas water separator equipped with the pump can be recycled, which reduces pollution and operation cost. Bronze impeller is used in the pump to improve its corrosion resistance. According to the user’s requirements, the stainless steel material is used, so the pump can operate normally in harsh environment. Therefore, it is widely used in chemical industry, medicine, food, papermaking and steel industry.

Performance characteristics

1. Pump coaxial direct connection design saves space and is easy to install.

2. The mechanical seal is used as the standard configuration, which eliminates the leakage and is easy to maintain.

3. The operation is stable and the noise can be as low as 62 dB.

4. Uniform corrosion resistant design, bronze impeller improves pump corrosion resistance, stainless steel material is more suitable for more demanding applications.

5. The unique flexible exhaust port design will not produce over compression, which ensures the best efficiency of 2BV within its performance range.

                                                         technical data

Line no Pump no m3/min -Mpa kW r.p.m L/MIN dB(A) kg
60V 2BV-2060 0.45 0.097 0.81 2880 2 62 37
61V 2BV-2061 0.86 0.097 1.45 2880 2 65 41
70V 2BV-2070 1.33 0.097 2.35 2850 2.5 66 66
71V 2BV-2071 1.83 0.097 3.85 2860 4.2 72 85
110V 2BV-5110 2.75 0.097 4 1450 6.7 63 120
111V 2BV-5111 3.83 0.097 5.5 1450 8.3 68 150
121V 2BV-5121 4.66 0.097 7.5 1450 10 69 210
131V 2BV-5131 6.66 0.097 11 1430 15 73 280
161V 2BV-5161 8.33 0.097 15 970 20 74 390
110V 2BV-6110 2.75 0.097 4 1450 6.7 63  
111V 2BV-6111 3.83 0.097 5.5 1450 8.3 68  
121V 2BV-6121 4.66 0.097 7.5 1450 10 69  
131V 2BV-6131 6.66 0.097 11 1430 15 73  
161V 2BV-6161 8.33 0.097 15 970 20 74  

impeller material: cast iron, Alumnium,bronze,stainless steel etc,
shell material: casting grey iro.
 flow: 280m3/h; power: 185kw; temperature of air: 0–80C;
sediment content of water: max 350g/m3,  PH: 2—10;

Working principle of water ring vacuum pump / liquid ring vacuum pump
The water-ring vacuum pump is a kind of coarse vacuum pump. The limit vacuum it can obtain is 2000-4000 Pa. The series air ejector can reach 270-670 Pa. Water ring pump can also be used as compressor, called water ring compressor, is a low-pressure compressor, its pressure range is 1-2X105 Pa meter pressure.
Water-ring vacuum pumps were originally used as self-suction pumps, and then gradually used in petroleum, chemical, mechanical, mining, light industry, medicine and food and many other industrial sectors. In many industrial processes, such as vacuum filtration, vacuum water diversion, vacuum feeding, vacuum evaporation, vacuum concentration, vacuum moisture regain and vacuum degassing, water ring pump has been widely used. Due to the rapid development of vacuum application technology, water ring pump has been paid much attention in obtaining coarse vacuum. Because the gas compression in the water ring pump is isothermal, it can extract flammable and explosive gases, in addition, it can also extract dust, water-bearing gases, so the application of water ring pump is increasing.
The pump body contains proper amount of water as working fluid. When the impeller rotates clockwise in the diagram, the water is thrown around by the impeller. Due to the centrifugal force, the water forms a closed ring which is approximately equal to the thickness of the pump cavity. The inner surface of the lower part of the water ring is exactly tangent to the hub of the impeller, and the upper inner surface of the water ring is just at the tip of the blade (in fact, the blade has a certain insertion depth in the water ring). At this time, a crescent space is formed between the hub and the water ring of the impeller, which is divided into several small cavities equal to the number of blades. If the lower zero of the impeller is taken as the starting point, the area of the small cavity increases from small to large when the impeller rotates 180 degrees, and is connected with the suction port on the end face. At this time, the gas is sucked in, and the small cavity is isolated from the suction port when the suction is finished. When the mouth is connected, the gas is discharged out of the pump.

motor for pumps material and structure:

our company located in HangZhou where famous hometown of  water pump ,with a long history of producing water pump and many years of experience.we’ll supply the best quality with cheaper price and accurately pump type for yo

Shipping Cost:

Estimated freight per unit.

To be negotiated
Oil or Not: Oil Free
Structure: Reciprocating Vacuum Pump
Exhauster Method: Positive Displacement Pump


Vacuum Pump

How to check the vacuum pump

A vacuum pump is a machine that draws gas molecules from a volume and maintains a partial vacuum. Its main job is to create a relative vacuum within the stated capabilities. If your vacuum pump isn’t working properly, it may need service. Read on to learn more about the types of vacuum pumps and how to check them.

Principle of industrial vacuum pump

Industrial vacuum pumps are used in industrial processes that require vacuum. These pumps are designed to generate, improve and maintain vacuum. Learn about the different types of industrial vacuum technology. You can start by reading about the most common types of industrial vacuum pumps. These pumps can be used in a variety of industrial processes from cleaning to manufacturing.
Regardless of the technology used to manufacture these pumps, the basic principles behind their operation are the same. The speed and mass flow of the pump will determine its capacity and suitability. A faster flow rate will minimize the time it takes for the machine to empty. Another important factor to consider is the type of vacuum you need.
A liquid ring vacuum pump is an industrial pump that uses a ring of liquid to form a seal. This type of pump is best suited for applications with high vapor loads and high liquid carry-over. Liquid ring vacuum pumps can be divided into two categories: liquid ring vacuum pumps and scroll vacuum pumps.
Industrial vacuum pumps work by removing gas molecules from a chamber. The partial vacuum created allows material to flow through the void. As more molecules are removed, the pressure in the chamber decreases, releasing energy that can be used for a variety of different purposes.
The most common use of industrial vacuum pumps is for electric lights. In these lamps, a vacuum pump removes the gas, causing the bulb to light up. Energy from the vacuum is also used in aircraft to power instruments. In addition to powering industrial vacuum cleaners, they are used in a variety of other environments.
High-performance industrial vacuum systems require specific materials that can withstand extreme pressure. This means that the materials used in these systems need to be properly checked. They must also be free of organic debris and other contaminants before they can be safely placed in the chamber.

Types of vacuum pumps

There are various types of vacuum pumps. Which one to choose should depend on the purpose of the pump and the degree of vacuum that must be achieved. It is mainly divided into three categories: rough vacuum or low vacuum, high vacuum and ultra-high vacuum. They all have varying degrees of scarcity. The higher the pressure, the fewer molecules per cubic centimeter. This in turn improves vacuum quality.
The vacuum pump is critical to the operation of the vacuum system. These devices are divided into three main categories according to their working pressure range. These pumps have different characteristics and technologies that make them ideal for specific applications. The choice of vacuum pump required for a particular application depends on how much vacuum you need, and how much power you are willing to spend.
Vacuum pumps are used in a variety of industrial and scientific processes. Their main function is to remove gas molecules from the sealed volume, leaving a partial vacuum. There are many different types of vacuum pumps, including rotary piston, liquid ring and scroll vacuum pumps. In addition, turbomolecular pumps are used.
Dry vacuum pumps are more expensive than wet vacuum pumps. Wet vacuum pumps use oil as their lubricating fluid. Different types of oils are used depending on the application. Some wet pumps have additional features, including contaminant filtration. However, wet systems have one major disadvantage: the contact between oil and fluid. To avoid this, oil separators are usually used.
There are several different types of vacuum pumps. The basic type is the positive displacement pump. It operates by expanding the chamber and removing gas molecules. The intake valve draws fluid into the chamber, while the exhaust valve opens when the chamber is at maximum expansion. This cycle repeats several times per second. Positive displacement pumps are often used in multistage vacuum systems.
Vacuum Pump

Maintenance of vacuum pump

Regular maintenance is very important to ensure the long-term effective use of the vacuum pump. One way to ensure proper pump performance is to change the oil regularly. Pump oil may be contaminated by vapor condensation. To avoid this problem, close the inlet valve for 20 to 30 minutes before applying vacuum. It is also important to install an inlet cold trap to protect the pump from corrosive vapors.
Another way to prolong the life of your vacuum pump is to periodically remove any solvent in it. This step reduces internal corrosion and prevents premature pump failure. During maintenance, be sure to disconnect the power supply to the vacuum pump. After cleaning, store it in a dry and safe place. The pump should also be disposed of in accordance with local regulations.
Vacuum pumps may require frequent oil changes, especially when used in wet chemistry. The standard rule is to change the oil after 3,000 hours of use, but some pumps require more frequent oil changes. It is also important to clean the oil regularly, as dirty or discolored oil can affect the performance of the pump.
Vacuum pumps are often equipped with on-site glass to allow the user to visually check the oil level. Clean oil will appear transparent, while dirty oil will appear darker. Frequent oil changes are essential, as oil changes can help spot various potential problems. Changes in vacuum pump performance or strange noises are also good indicators of a problem.
After an oil change, the vacuum pump should be cleaned thoroughly with a soft cloth and mild degreaser. Oil changes should take less than ten minutes, and they will extend the life of your equipment. Additionally, the outside of the pump should be wiped with a cloth or rag.
The pump must be properly vented to avoid internal corrosion. If possible, place the pump away from hot equipment or rooms. Overheating can reduce the viscosity of the oil and cause premature pump failure. In addition, it can lead to overwork of other expensive scientific equipment. Heat can also cause cracked rubber parts and oil leaks.
Vacuum Pump

Signs of damage to the vacuum pump

A bad vacuum pump can cause a variety of automotive problems, including poor fuel economy, difficult braking, undercarriage oil leaks, and faulty air conditioning. If any of these problems occur, call a mechanic to check your vehicle’s vacuum pump. You can also check the air conditioner and brake pedal to see if they are working properly.
A loud noise from the pump can also be a symptom of a malfunction. These noises are often caused by the aging and accumulated wear of specific components. If this is the case, the diaphragm, valve plate or seals may need to be replaced. However, if the noise is coming from bearings or other areas, more extensive repairs may be required. Additionally, dust and other contaminants can enter the pump chamber, which can degrade pump performance.
If the vacuum pump won’t start, it could be a blown fuse or a power or voltage problem. Other common causes are flow restrictions or improper installation at the entrance. Also, the vacuum pump may be damaged or the capacitors may be of poor quality. It’s not always easy to tell if a vacuum pump is leaking oil, but a greasy transmission can indicate a vacuum pump failure.
A leaking vacuum pump can also hiss when the car’s engine is running. If you hear it, check the hoses and connections to make sure there are no leaks. A vacuum leak may indicate a faulty vacuum pump, so you need to replace it as soon as possible.
Checking end pressure is easy, but a pressure gauge can also serve as a sign. You can also check for pump vibration by running a short procedure. Excessive vibration can be subtle, but it can greatly affect your process. If you notice excessive pump vibration, you should contact a professional immediately.
Poor pump performance can cause many problems for your company. A bad vacuum pump not only wastes material, it also damages your tools and reputation.

China Custom Liquid Water Ring Single Two Stage Air Pressure Vertical Type Reciprocating Piston Pump Slide Valve Vacuum Pump for Chemical Industry   vacuum pump belt	China Custom Liquid Water Ring Single Two Stage Air Pressure Vertical Type Reciprocating Piston Pump Slide Valve Vacuum Pump for Chemical Industry   vacuum pump belt
editor by CX 2023-07-13

Vacuum Pump

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