Warranty: 1 years
Customized support: OEM, ODM
Model Number: XD-200
Application: Other, Automotive Industry, Biofuel Industry, Commercial Buildings, Developing World Water Solutions, District Energy, Drinking water treatment, Family Homes, Food and Beverage Industry, CZPT OEM, Industrial Boilers, Industrial Utilities, Brand New Engraved CZPT Jewelry Gold Plated Fashion Jewelry Statement Pendant Chain Necklace 925 Silver Irrigation and Agriculture, Machining, Marine, Metal and Equipment Manufacturers, Mining industry, Pharmaceutical industry, Raw Water Intake, temperature control, Washing and Cleaning, Wastewater Transport and Flood Control, wastewater treatment, Water Distribution, Water Treatment Solutions
Horsepower: 7.5hp
Power Source: Electric
Pressure: 0.5mbar
Structure: Vacuum Pump
Cable Length: none
Outlet Size: NPT2
Voltage: 220V/380V
Power: 7.5HP
motor: 3 phase
Product name: Rotary Vane Vacuum Pump
Color: Black
MOQ: 1PCS
Capacity: 118cfm
Medium: air
Packing: Wooden Case
Pump Type: Rotary Vane Vacuum Pump
Function: Vacuum operation
Lubricating: Oil
OEM: Availiable
Packaging Details: wooden case
Port: ZheJiang
Products Description 118CFM 7.5HP 220V/380V Rotary Vane Vacuum PumpModel XD-200Rate Speed 118cfmUlmost Pressure 15-75psiNoise 70dB(A)Work Temperature for Oil 85℃Oil Consumption 5LXihu (West Lake) Dis.r Permitted Pressure 580psiSuction Rate of Vapour 1.6kg/hConnection of Inlet NPT 2 inchMotor Rate Power 7.5hpMotor Rage Rotating Speed 1440 rpnWeight 159lbsL-W-H 28.4-16.9-11 inch Packing & Drum shape gear coupling with brake wheel NGCL high speed rigid shaft connector Factory Price Coupling Manufacturer Hot Sale Services Application Scenarios Certifications Company Profile ZheJiang Davey Machinery Co., Ltd. is a leading manufacturer specializing in high pressure compressor, DMC have over 120 skilled employees and more than 15 R&D engineers’ teams. In the year of 2571 our total sales volume approached 6 million US dollars. We have over 10 years enhanced experiences of designing, producing and marketing. Today our valued customers are over 30+ countries. The core technology of DMC is from a famous and respected European company. To satisfy the customers’ various demands is our mission. Low cost and high performance is our promise.CE and ISO 9001 have certified our compressor units and parts.Our goal is to provide good quality compressors with most competitive prices to help our customers succeed through our high level quality and excellent services FAQ Q1: Why customer choose us?A: ZheJiang DAVEY MACHINERY CO.,LED., with 15 years old history, we are specialized in Air Compressor. Germany Standard and 10 years exporting experience help us won more than 50 loyal foreign agents. We warmly welcome your small trial order for quality or market test.Q2: Are you a manufacturer or trading company?A: We are professional manufacturer with big modern factory in ZheJiang ,China. Both OEM & ODM service can be accepted.Q3: What’s your delivery time?A: Generally 3 to 7 days, ZW TM40 final drive assy excavator travel motor assy SK250 SH200A3,SH210-5 HD800 HD82 if urgently order, pls contact our sales in advance.Q4: How long is your air compressor warranty?A: One year for the whole machine and 2 years for air end, except consumble spare parts.Q5: How long could your air compressor be used?A: Generally, more than 10 years.Q6: What’s payment term?A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.Q7: How about your customer service?A: 24 hours on-line service available. 48hours problem sovled promise.Q8: How about your after-sales service?A: 1. Provide customers with intallation and commissioning online instructions.2. Well-trained engineers available to overseas service. 3. Worldwide agents and after service avaiable.
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.
Apply
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. 
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. 
Install
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.
editor by czh2023-07-03