China factory 2BV Liquid Ring Vacuum Pump Large Pumping Speed with Best Sales

Product Description

Product Description

Kangqiao Vertical Suction Cooling Air Condition Water Chemical Centrifugal Axial Flow Pump for Chloride Evaporation Forced Circulating with ISO/CE

Product standard

Flow range: 17~500m3/h
Lift range: 12.5~703m
Motor power: 1.5~75kw

 Product feature

Application range
Product feature

Performance parameters of the table


Company Profile






Our Advantages

Why Choose CZPT Pump

) Excellent quality, competitive price, prompt delivery, on-time service and good reputation.
) Low minimum order
) We offer knowledgeable tech support before and after the sale.
) We pass the authentication of ISO,API,CE.

Service Policy
         Junfu’s Warranty Policy are provided by ZheJiang Kangqiao Electromechanical Equipment Technology Co., Ltd and cover defects in workmanship and materials. 

         The goods provided by the seller must ensure that they fully comply with the requirements of the contract and are suitable for the intended use in design and construction; Must meet or exceed all performance values and tolerances; The goods must be tested in accordance with the provisions of the contract and its attachments to demonstrate their ability and compliance with the technical specifications and performance data.
If the goods or any part thereof cannot comply with the provisions of the contract, the seller must remedy the defect and/or inspect and retest the goods for the buyer free of charge, without any financial restrictions, and must complete the work within the time agreed CZPT by both parties. If the goods cannot be remedied or corrected, the buyer has the right to reject the goods. In this case, the seller must replace the rejected goods or replace them with suitable goods to meet the requirements of the contract. The replacement work must be completed within the delivery time that cannot exceed the originally agreed contract delivery date.
The seller must implement an effective quality assurance system during the organizational process, which has the same requirements as those specified in the IS09000 series 2000 edition. The products provided must comply with the requirements of the HSE management system standard, which is 0SHA180001/HSEo
The warranty period for the 4 pumps is 18 months from the date of shipment or 12 months after operation. During this period, if any manufacturing quality issues occur, the supplier will replace the parts free of charge. If any pump malfunctions occur due to the buyer’s reasons, the supplier will also provide timely assistance in handling them. The supplier guarantees that the warranty period for the replaced parts is 1 year.

Payment Term

Payment Terms T/T EXW 50% T/T in advance, the balance to be paid before dispatch
CIF 50% T/T in advance, the balance to be paid against the copy of B/L
L/C Irrevocable L/C at sight could be accepted if amount above US $50,000.00
Delivery Time 30-45 days after receiving advanced payment



1. When can I get the quotation?
We usually quote 24 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell us in your e-mail so that we will regard your inquiry priority.

2. Can you do the design for us?
Yes. We have a professional team having rich experience in design and manufacturing. Just tell us your idea and we will help to carry out your ideas. It does not matter if you do not have someone to complete files. Send us high resolution images, your logo and text and tell us how you would like to arrange them. We will send you finished files for confirmation.

3. What about the lead time for mass production?
Honestly, it depends on the order quantity and the season you place the order. The lead time of MOQ is about 30 to 45 days(Except for the selected brand).Generally speaking, we suggest that you start inquiry 2 months before the date you would like to get the product at your country.

4. What is your terms of delivery?
We accept EXW, FOB, C&F and CIF, etc. You can choose the 1 which is the most convenient or cost effective for you.

After-sales Service: Help Check
Warranty: 1 Year
Max.Head: 78m
Max.Capacity: 540m3/H
Driving Type: Motor
Impeller Number: Single-Stage Pump


Vacuum Pump

How to install a vacuum pump

A vacuum pump creates a relative vacuum within a sealed volume by drawing gas molecules from the sealed volume. Vacuum pumps can be used in a variety of industrial applications. They also offer various lubrication options. If you are considering purchasing, please understand its functions and features before purchasing.

How it works

The working principle of a vacuum pump is called gas transfer. The principle can be further divided into two basic categories: positive displacement and momentum transfer. At high pressure and moderate vacuum, gas molecules collide and move and create a viscous flow. At higher vacuum levels, gas molecules separate to create molecular or transitional flows.
Another principle of vacuum pumps is fluid-tightness. There are two main types of seals: rotary seals and screw seals. Rotary seals prevent liquid leakage, while screw seals only allow liquids to flow out at higher pressures. Some pumps may not use the third seal.
The flow rate of the vacuum pump determines the machine’s ability to pump a certain amount of material. A higher pumping speed will shorten the drain time. Therefore, the mass flow of the vacuum pump must be carefully considered. The speed and type of vacuum must also be considered.
The working principle of a vacuum pump is to push gas molecules from a high-pressure state to a low-pressure state. This creates a partial vacuum. There are many different types of vacuum pumps, each with different functions. Some are mechanical, some are chemical. In either case, their function is the same: to create a partial or complete vacuum. Vacuum pumps use a variety of technologies and are sized according to the application. Proper sizing is critical for optimum efficiency.
Gas transfer pumps use the same principles as vacuum pumps but use different technology. One of the earliest examples is the Archimedes spiral. Its structure consists of a single screw inside a hollow cylinder. More modern designs use double or triple screws. The rotation of the screw causes gas molecules to be trapped in the cavity between the screw and the housing. The fluid is then discharged at slightly above atmospheric pressure. This difference is called the compression ratio.
Another type of vacuum pump is a diffusion pump. Its main use is industrial vacuum processing. It is used in applications such as mass spectrometry, nanotechnology and analytical instrumentation. These pumps are generally inexpensive to purchase and operate.


Vacuum pumps are essential for many scientific and industrial processes. They are used in the production of vacuum tubes, CRTs, lamps and semiconductor processing. They can also be used to support mechanical equipment. For example, they can be mounted on the engine of a motor vehicle. Likewise, they can be used to power hydraulic components of aircraft. Among other uses, the vacuum pump helps calibrate the gyroscope.
Vacuum pumps are widely used in the pharmaceutical industry and are one of the largest users of this technology. They help deal with hazardous materials and eliminate waste quickly. They are also used in power jets, dump fuel tanks and rear doors, among others. However, they are sensitive to contamination and should only be used in environments where leaks can be prevented. Therefore, choosing the right fluid for the application is very important.
The most popular type of vacuum pump is the rotary vane pump. These pumps are known for their high pumping speed and low pressure. Their efficient pumping capacity allows them to reach pressures below 10-6 bar. Additionally, they are usually oil-sealed and have excellent vacuuming capabilities.
Vacuum pumps are often used to remove air from closed systems. They create a vacuum by reducing the density of the air in the compressed space. This is done by using the mechanical force energy generated by the rotating shaft. When the pump is under pressure, it converts this energy into pneumatic power. When the pressure is different, the energy produced depends on the volume of the gas and the pressure difference between the inner and outer atmospheres.
Vacuum pumps are also used in the manufacture of solar cells. They are used in the manufacture of solar cells, including ingot casting processes as well as cell and module processes. The design of the vacuum system plays an important role in reducing the cost of the process, thus making it profitable. Due to their low maintenance costs, they are an invaluable tool for making solar cells.
Vacuum pumps are widely used in many applications. In addition to industrial and research uses, they are also used in water remediation.
Vacuum Pump

Oil Lubrication Option

Vacuum pumps are available in a variety of oil lubrication options. Choosing the right lubricant can help protect your vacuum pump and maximize its performance. Different base oils may contain different additives, such as antioxidants, and some contain additional additives for specific purposes. You should choose an oil with the right concentration of these additives for optimal lubrication of your vacuum pump.
Vacuum pumps are usually lubricated with paraffinic mineral oil. However, this type of lubricant evaporates as the temperature increases. To minimize evaporative losses, choose a lubricant with low vapor pressure. Also, you should choose lubricants that are resistant to extreme temperatures. Extreme temperatures can put extra stress on the oil and can even significantly shorten the life of the oil.
In terms of viscosity, synthetic oils are the best choice for vacuum pumps. These types of oils are designed to resist gas dissolution and are more resistant to corrosion. Therefore, synthetic oils are ideal for handling aggressive substances. Whether or not your pump needs lubrication, choosing a quality product is important.
The vacuum pump oil should be changed periodically according to the manufacturer’s recommendations. If you use a filter, you should also change the oil as soon as the filter reaches the end of its life. Unplanned oil changes will eventually cause the vacuum pump to not reach its maximum vacuum capacity.
You can buy vacuum pump oil from vacuum pump manufacturers or other suppliers. These options are available in a variety of sizes, and labels can be customized. The oil should be designed for the pump. However, you should check the manufacturer’s recommendations to avoid buying the wrong type.
If you choose to use a synthetic oil, it is important to use a good quality oil. It helps the pump work more efficiently and prolong its life.
Vacuum Pump


After choosing a suitable location, the next step is to install the pump. First, place the pump on a flat surface. Then, screw the pump onto the motor body above the check valve. Make sure the accessories are wrapped with sealing tape and secured with screws. The direction of gas inflow and outflow is indicated by arrows on the pump. The direction of rotation around the pump is also shown.
During commissioning, check the operation of each part of the pump. If the pump is equipped with a pipe connection, the pipe should be the same size and shape as the pump flange. Also, make sure that the piping does not cause any pressure drop. In addition, the first three weeks of operation require the installation of protective nets at the suction ports.
When selecting a pump, consider the back pressure of the system. Too much back pressure will affect the capacity of the vacuum pump. Also, check the temperature of the seal. If the temperature is too high, the seal may be damaged. It could also be due to a partially closed valve in the recirculation line or a clogged filter. Circulation pumps and heat exchangers should also be checked for fouling.
The vacuum pump is usually installed in the chassis area of ​​the car. They can be mounted next to the engine or on a lower support frame. They are usually fastened to the bracket using suitable shock absorbers and isolating elements. However, before installing the vacuum pump, be sure to check the vacuum pump’s wiring harness before connecting it to the vehicle.
In many experimental setups, a vacuum pump is essential. However, improperly installed vacuum pumps can expose users to harmful vapors and chemicals. Appropriate plugs and belt guards should be installed to prevent any accidental chemical exposure. It is also important to install a fume hood for the pump.
In most cases, vacuum pumps come with installation manuals and instructions. Some manufacturers even offer start-up assistance if needed.

China factory 2BV Liquid Ring Vacuum Pump Large Pumping Speed   with Best Sales China factory 2BV Liquid Ring Vacuum Pump Large Pumping Speed   with Best Sales
editor by CX 2023-10-23