Tag Archives: vacuum dosing pump

China supplier Chemical Electric Motor Driven Diaphragm Dosing Metering Pump vacuum pump for ac

Product Description

Chemical Electric Motor Driven Diaphragm Dosing Metering Pump

Pumps works with shearing, grinding high-speed stirring Grinding process occurs in the relative movement between the 2 teeth with 1 revolving in high speed and another still, which makes the material between the teeth receive strong shearing and abrasion in addition to high frequency vibration and high speed swirl. The above forces effectively evenly disperse, emulsify, smash the material.

Colloid mill works with shearing, grinding high-speed stirring Grinding process occurs in the relative movement between the 2 teeth with 1 revolving in high speed and another still, which makes the material between the teeth receive strong shearing and abrasion in addition to high frequency vibration and high speed swirl. The above forces effectively evenly disperse, emulsify, smash the material.
Tchnical Parameters ūüôĀ For reference ONly )









Machine Size



10-15 kg/h

50-100 mesh

50 kg

530*260*580 mm



60-80 kg/h


80-150 mesh

150 kg

600*410*930 mm



100-200 kg/h

80-150 mesh


175 kg

700*430*1000 mm



300-500 kg/h


80-200 mesh

285 kg

990*440*1000 mm





80-200 mesh

300kg 1000*460*1050 mm



700-800 kg/h


80-200 mesh

375 kg

1000*490*1100 mm




80-200 mesh 700kg 1260*600*1230 mm



1200-1500 kg/h


100-200 mesh

920 kg





3000-4000 kg/h

100-200 mesh

1300 kg






After-sales Service
1.Warranty time: 1 year, from the date which the product is qualified commissioning.
Any damage except the wrong operation during warranty period is repaired freely.But the travel and hotel expenses should be count on buyer.
2. Commissioning services: the product’s installation and commissioning at the demand side, our engineers will not leave there until get your agreement.
3. Training services: our engineers will train your staff to operate it during the period of installation and commissioning,
and they will not leave there until your staff can operate it properly and normally.
4. Maintenance services: any malfunction happened, once you inquiry us, we will reply you within 48 hours except the special reasons.
5. Lifelong services: we provide lifelong services for all the products we sold out, and supply the spare parts with discount price.
6. Certificate services: we can provide related certificates to customers freely according to the request of customers.
7. Inspection services: you can ask the third part inspection company or your inspector to inspect the products before shipment.
8. The file: the Manual Specification, report of the material which used to the equipment and other documents related to the GMP authentication information will be provided by us.


Q: Are you a factory?
A: Yes we are a factory with more than 20 years manufacturing experience. One is in JZheJiang Province,
Another is in HangZhou next to our office.

Q:I’m new in our industry,but I’m planing to set up a factory, what canI do?
A: We will design the most suitable proposal based on your actual situation, such as the daily production,raw material formula, factory layout, etc. Also we would like to intro- duce some excellent suppliers of raw materials, bottles,labels, etc if needed. After sales, engineer will be send to fields installation, training and commissioning.

Q: How can you control the quality before delivery?
A: First, our component/spare parts providers test their products before they offer com- ponents to us.Besides, our quality control team will test machines performance or running speed before shipment. We would like to invite you come to our factory to verify machines yourself. If your schedule is busy, we wil take a video to record the testing procedure and send the video to you.

Q:Are your machines difficult to operate? How do you teach us using the machine?
A: Our machines are fool-style operation design,very easy to operate.Besides,before delivery we will shoot instruction video to introduce machines’functions and to teach you how to use them.If needed engineers are available to come to your factory to help install machines, test machines and teach your staff to use the machines.

Q: Can I come to your factory to observe machine running?
A: Yes, customers are warmly welcome to visit our factory.

Q: Can you make the machine according to buyer’s request?
A: Yes,OEM is acceptable. Most of our machines are customized design based on cus- tomer’s requirements or situation


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After-sales Service: Oversea Installation Service
Warranty: 1 Years
Oil or Not: Oil Free
Structure: Rotary Vacuum Pump
Exhauster Method: Entrapment Vacuum Pump
Vacuum Degree: Vacuum


vacuum pump

Can Vacuum Pumps Be Used for Vacuum Packaging?

Yes, vacuum pumps can be used for vacuum packaging. Here’s a detailed explanation:

Vacuum packaging is a method used to remove air from a package or container, creating a vacuum environment. This process helps to extend the shelf life of perishable products, prevent spoilage, and maintain product freshness. Vacuum pumps play a crucial role in achieving the desired vacuum level for effective packaging.

When it comes to vacuum packaging, there are primarily two types of vacuum pumps commonly used:

1. Single-Stage Vacuum Pumps: Single-stage vacuum pumps are commonly used for vacuum packaging applications. These pumps use a single rotating vane or piston to create a vacuum. They can achieve moderate vacuum levels suitable for most packaging requirements. Single-stage pumps are relatively simple in design, compact, and cost-effective.

2. Rotary Vane Vacuum Pumps: Rotary vane vacuum pumps are another popular choice for vacuum packaging. These pumps utilize multiple vanes mounted on a rotor to create a vacuum. They offer higher vacuum levels compared to single-stage pumps, making them suitable for applications that require deeper levels of vacuum. Rotary vane pumps are known for their reliability, consistent performance, and durability.

When using vacuum pumps for vacuum packaging, the following steps are typically involved:

1. Preparation: Ensure that the packaging material, such as vacuum bags or containers, is suitable for vacuum packaging and can withstand the vacuum pressure without leakage. Place the product to be packaged inside the appropriate packaging material.

2. Sealing: Properly seal the packaging material, either by heat sealing or using specialized vacuum sealing equipment. This ensures an airtight enclosure for the product.

3. Vacuum Pump Operation: Connect the vacuum pump to the packaging equipment or directly to the packaging material. Start the vacuum pump to initiate the vacuuming process. The pump will remove the air from the packaging, creating a vacuum environment.

4. Vacuum Level Control: Monitor the vacuum level during the packaging process using pressure gauges or vacuum sensors. Depending on the specific packaging requirements, adjust the vacuum level accordingly. The goal is to achieve the desired vacuum level suitable for the product being packaged.

5. Sealing and Closure: Once the desired vacuum level is reached, seal the packaging material completely to maintain the vacuum environment. This can be done by heat sealing the packaging material or using specialized sealing mechanisms designed for vacuum packaging.

6. Product Labeling and Storage: After sealing, label the packaged product as necessary and store it appropriately, considering factors such as temperature, humidity, and light exposure, to maximize product shelf life.

It’s important to note that the specific vacuum level required for vacuum packaging may vary depending on the product being packaged. Some products may require a partial vacuum, while others may require a more stringent vacuum level. The choice of vacuum pump and the control mechanisms employed will depend on the specific vacuum packaging requirements.

Vacuum pumps are widely used in various industries for vacuum packaging applications, including food and beverage, pharmaceuticals, electronics, and more. They provide an efficient and reliable means of creating a vacuum environment, helping to preserve product quality and extend shelf life.

vacuum pump

How Do Vacuum Pumps Impact the Quality of 3D Printing?

Vacuum pumps play a significant role in improving the quality and performance of 3D printing processes. Here’s a detailed explanation:

3D printing, also known as additive manufacturing, is a process of creating three-dimensional objects by depositing successive layers of material. Vacuum pumps are utilized in various aspects of 3D printing to enhance the overall quality, accuracy, and reliability of printed parts. Here are some key ways in which vacuum pumps impact 3D printing:

1. Material Handling and Filtration: Vacuum pumps are used in 3D printing systems to handle and control the flow of materials. They create the necessary suction force to transport powdered materials, such as polymers or metal powders, from storage containers to the printing chamber. Vacuum systems also assist in filtering and removing unwanted particles or impurities from the material, ensuring the purity and consistency of the feedstock. This helps to prevent clogging or contamination issues during the printing process.

2. Build Plate Adhesion: Proper adhesion of the printed object to the build plate is crucial for achieving dimensional accuracy and preventing warping or detachment during the printing process. Vacuum pumps are employed to create a vacuum environment or suction force that securely holds the build plate and ensures firm adhesion between the first layer of the printed object and the build surface. This promotes stability and minimizes the risk of layer shifting or deformation during the printing process.

3. Material Drying: Many 3D printing materials, such as filament or powdered polymers, can absorb moisture from the surrounding environment. Moisture-contaminated materials can lead to poor print quality, reduced mechanical properties, or defects in the printed parts. Vacuum pumps with integrated drying capabilities can be employed to create a low-pressure environment, effectively removing moisture from the materials before they are used in the printing process. This ensures the dryness and quality of the materials, resulting in improved print outcomes.

4. Resin Handling in Stereolithography (SLA): In SLA 3D printing, a liquid resin is selectively cured using light sources to create the desired object. Vacuum pumps are utilized to facilitate the resin handling process. They can be employed to degas or remove air bubbles from the liquid resin, ensuring a smooth and bubble-free flow during material dispensing. This helps to prevent defects and imperfections caused by trapped air or bubbles in the final printed part.

5. Enclosure Pressure Control: Some 3D printing processes, such as selective laser sintering (SLS) or binder jetting, require the printing chamber to be maintained at a specific pressure or controlled atmosphere. Vacuum pumps are used to create a controlled low-pressure or vacuum environment within the printing chamber, enabling precise pressure regulation and maintaining the desired conditions for optimal printing results. This control over the printing environment helps to prevent oxidation, improve material flow, and enhance the quality and consistency of printed parts.

6. Post-Processing and Cleaning: Vacuum pumps can also aid in post-processing steps and cleaning of 3D printed parts. For instance, in processes like support material removal or surface finishing, vacuum systems can assist in the removal of residual support structures or excess powder from printed objects. They can also be employed in vacuum-based cleaning methods, such as vapor smoothing, to achieve smoother surface finishes and enhance the aesthetics of the printed parts.

7. System Maintenance and Filtration: Vacuum pumps used in 3D printing systems require regular maintenance and proper filtration to ensure their efficient and reliable operation. Effective filtration systems within the vacuum pumps help to remove any contaminants or particles generated during printing, preventing their circulation and potential deposition on the printed parts. This helps to maintain the cleanliness of the printing environment and minimize the risk of defects or impurities in the final printed objects.

In summary, vacuum pumps have a significant impact on the quality of 3D printing. They contribute to material handling and filtration, build plate adhesion, material drying, resin handling in SLA, enclosure pressure control, post-processing and cleaning, as well as system maintenance and filtration. By utilizing vacuum pumps in these critical areas, 3D printing processes can achieve improved accuracy, dimensional stability, material quality, and overall print quality.

vacuum pump

Can Vacuum Pumps Be Used in the Medical Field?

Yes, vacuum pumps have a wide range of applications in the medical field. Here’s a detailed explanation:

Vacuum pumps play a crucial role in various medical applications, providing suction or creating controlled vacuum environments. Here are some key areas where vacuum pumps are used in the medical field:

1. Negative Pressure Wound Therapy (NPWT):

Vacuum pumps are extensively utilized in negative pressure wound therapy, a technique used to promote wound healing. In NPWT, a vacuum pump creates a controlled low-pressure environment within a wound dressing, facilitating the removal of excess fluid, promoting blood flow, and accelerating the healing process.

2. Surgical Suction:

Vacuum pumps are an integral part of surgical suction systems. They provide the necessary suction force to remove fluids, gases, or debris from the surgical site during procedures. Surgical suction helps maintain a clear field of view for surgeons, enhances tissue visualization, and contributes to a sterile operating environment.

3. Anesthesia:

In anesthesia machines, vacuum pumps are used to create suction for various purposes:

– Airway Suction: Vacuum pumps assist in airway suctioning to clear secretions or obstructions from the patient’s airway during anesthesia or emergency situations.

– Evacuation of Gases: Vacuum pumps aid in removing exhaled gases from the patient’s breathing circuit, ensuring the delivery of fresh gas mixtures and maintaining appropriate anesthesia levels.

4. Laboratory Equipment:

Vacuum pumps are essential components in various medical laboratory equipment:

– Vacuum Ovens: Vacuum pumps are used in vacuum drying ovens, which are utilized for controlled drying or heat treatment of sensitive materials, samples, or laboratory glassware.

– Centrifugal Concentrators: Vacuum pumps are employed in centrifugal concentrators to facilitate the concentration or dehydration of biological samples, such as DNA, proteins, or viruses.

– Freeze Dryers: Vacuum pumps play a vital role in freeze-drying processes, where samples are frozen and then subjected to vacuum conditions to remove water via sublimation, preserving the sample’s structure and integrity.

5. Medical Suction Devices:

Vacuum pumps are utilized in standalone medical suction devices, commonly found in hospitals, clinics, and emergency settings. These devices create suction required for various medical procedures, including:

– Suctioning of Respiratory Secretions: Vacuum pumps assist in removing respiratory secretions or excess fluids from the airways of patients who have difficulty coughing or clearing their airways effectively.

– Thoracic Drainage: Vacuum pumps are used in chest drainage systems to evacuate air or fluid from the pleural cavity, helping in the treatment of conditions such as pneumothorax or pleural effusion.

– Obstetrics and Gynecology: Vacuum pumps are employed in devices used for vacuum-assisted deliveries, such as vacuum extractors, to aid in the safe delivery of babies during childbirth.

6. Blood Collection and Processing:

Vacuum pumps are utilized in blood collection systems and blood processing equipment:

– Blood Collection Tubes: Vacuum pumps are responsible for creating the vacuum inside blood collection tubes, facilitating the collection of blood samples for diagnostic testing.

– Blood Separation and Centrifugation: In blood processing equipment, vacuum pumps assist in the separation of blood components, such as red blood cells, plasma, and platelets, for various medical procedures and treatments.

7. Medical Imaging:

Vacuum pumps are used in certain medical imaging techniques:

– Electron Microscopy: Electron microscopes, including scanning electron microscopes and transmission electron microscopes, require a vacuum environment for high-resolution imaging. Vacuum pumps are employed to maintain the necessary vacuum conditions within the microscope chambers.

These are just a few examples of the wide-ranging applications of vacuum pumps in the medical field. Their ability to create suction and controlled vacuum environments makes them indispensable in medical procedures, wound healing, laboratory processes, anesthesia, and various other medical applications.

China supplier Chemical Electric Motor Driven Diaphragm Dosing Metering Pump   vacuum pump for ac	China supplier Chemical Electric Motor Driven Diaphragm Dosing Metering Pump   vacuum pump for ac
editor by Dream 2024-05-17

China factory Dosing Pump Plastic Pump Metering Pump Dosing Pump CZPT Pump vacuum pump brakes

Product Description

Dosing Pump Plastic Pump Metering Pump Dosing Pump Pneumtic Pump CZPT Pump

Applicable industry

Petroleum industry, natural gas extraction, chemical industry, oil refining, thermal power plants, industrial and mining (boilers), food, pharmaceuticals, scientific research, printing and dyeing, papermaking, environmental protection, especially water treatment industries, etc.
The adjustment form of the metering pump: manual adjustment, electric adjustment, frequency conversion adjustment.
Others: explosion-proof motors can be configured, spare parts, wearing parts, tools, etc. are provided free of charge. Can be consigned to the user and responsible for debugging.

Scope of application
Suitable for occasions with high pressure, low pressure, strong (weak) corrosiveness and high measurement accuracy;
For example, it is used for the dosing of additives in the petroleum industry and the extraction of natural gas; the chemical industry is used for dosing proportional chemical media; it is used for the dosing pump for industrial water treatment in environmental protection; and it is used for purifying water in the boiler of thermal power plant. Dosing pump and so on.

1. Determine the pressure: The rated pressure of the selected metering pump should be slightly higher than the actual maximum pressure required, generally 10-20% higher. Don’t choose too high, too high pressure will waste energy and increase equipment investment and operating costs.
2. Determine the flow rate: The flow rate of the selected metering pump should be equal to or slightly larger than the flow rate required by the process. The use range of the metering pump flow rate is preferably 30 to 100% of the metering pump’s rated flow rate range. At this time, the metering pump has a high repeatability accuracy. Considering economy and practicability, it is recommended that the actual required flow of the metering pump should be 70-90% of the rated flow of the metering pump.
3. Determine the material of the pump head (hydraulic end): After the specific model and specifications of the metering pump are determined, select the material of the flow part according to the properties of the flow medium. This step is very important. If the selection is improper, it will cause corrosion damage to the medium. Leakage of overflow parts or media contaminates the system, etc. In severe cases, it may cause major accidents.
Other aspects: When choosing a metering pump, you also need to consider the accuracy level of the metering pump required. The higher the accuracy level, the greater the investment. The general working temperature of metering pump is -30~100¬ļC, and the working temperature range of special metering pump is wider (such as high temperature liquid metering pump with insulation jacket, its delivery temperature can reach 500¬ļC). For the particle size of the medium, the requirement should be less than 0.1mm. For the medium greater than 0.1mm, the flow structure of the pump can be changed to meet the needs. The viscosity of the medium should generally be 0~1000mm/s, and the special metering pump can reach 6000 mm2/s. The flow rate of the mechanical diaphragm metering pump is the maximum flow measured under the calibrated rated pressure (clean water delivery at room temperature) When the pressure drops, the output flow will be higher than the calibrated value.

Related matters

Installation matters
1. Export is higher than import to avoid siphon phenomenon
2. Pump head and injection valve require vertical installation
3. The attached pipe fittings can be tightened by hand, do not use tools; do not use raw material tape at the thread
4. The power supply voltage is stable and grounded
5. The installation environment is clean, spacious and well ventilated

According to the overcurrent part
Plunger, piston type Mechanical diaphragm type Hydraulic diaphragm type
According to the driving mode
Motor drive Electromagnetic drive
According to the working method
Reciprocating type Rotary type (3) Gear type
4. According to the characteristics of the pump
Extra large base Large base Medium base Small base Micro base
Other classification methods: electric control type, air control type, heat preservation type, heating type, high viscosity type, etc.
Principle characteristics
The structure of the pump
The pump is composed of 3 parts: motor, transmission box, and cylinder.
The transmission box component is composed of a worm gear mechanism, a stroke adjustment mechanism and a crank connecting rod mechanism; the high adjustment stroke is implemented by rotating the adjustment hand wheel, thereby changing the eccentricity of the moving shaft to achieve the purpose of changing the plunger (piston) stroke.
The cylinder part is composed of pump head, suction valve group, discharge valve group, plunger and packing seal.
working principle
The motor drives the worm through the coupling and decelerates the main shaft and the eccentric wheel through the worm gear to make a rotary motion. The eccentric wheel drives the reciprocating motion in the sliding adjusting seat of the bow-shaped connecting rod. When the plunger moves to the rear dead center, a vacuum is gradually formed in the pump chamber, the suction valve opens, and liquid is sucked in; when the plunger moves to the CZPT dead center, the suction valve closes and the discharge valve opens, and the liquid moves further toward the plunger. Exhausted during exercise. In the reciprocating cycle of the pump, a continuous pressured and quantitative discharge liquid is formed.
Flow regulation
The flow rate of the pump is adjusted by rotating the adjustment hand wheel to drive the adjustment screw to rotate, thereby changing the distance between the bow-shaped connecting rods and changing the stroke of the plunger (piston) in the pump cavity to determine the flow rate. The scale of the adjustment handwheel determines the stroke of the plunger, with an accuracy rate of 95%.
Features of the pump
   The pump has superior performance. The diaphragm metering pump has absolutely no leakage, high safety performance, accurate metering and delivery, the flow can be adjusted arbitrarily from zero to the maximum rated value, and the pressure can be arbitrarily selected from normal pressure to the maximum allowable range.
   Intuitive and clear adjustment, stable operation, no noise, small size, light weight, convenient maintenance, and can be used in parallel.
¬† ¬†The pump has many varieties, complete performance, suitable for conveying from -30 degrees to 450 degrees, viscosity is 0-800mm/s, maximum discharge pressure can reach 64Mpa, flow range is 0.1-20000L/h, and measurement accuracy is within ¬Ī1%.
   According to the technological requirements, the pump can be manually adjusted and the flow can be adjusted by frequency conversion, and it can also realize remote control and automatic computer control.
Measuring range: 0-400 liters/hour
Pressure range: 0-1.0 MPa
Drive mode: motor drive
Control method: manual, automatic control (can receive 4-20mA signal to adjust the flow)
1. Cast aluminum shell, high heat dissipation performance, light overall weight, suitable for various acid and alkali liquids, non-toxic and tasteless.
2. Use cam mechanism. There is no leakage on the whole, and it can be installed on the medicine tank or pipeline.
3. The contact medium pump head is made of PVC, optional PTFE, and stainless steel.
4. High cost performance, universally applicable to water treatment industries with low pressure requirements.
5. When the pump is running or stopping, the flow can be adjusted arbitrarily and can also be output quantitatively.
6. The diaphragm is pressed into a multilayer composite structure. The first layer is super tough Teflon acid-resistant film, the second layer is CZPT elastic rubber, the third layer is thick support iron core, the fourth layer is reinforced by reinforced nylon fiber, and the fifth layer is EPDM. The elastic rubber is completely covered, which can effectively increase the service life of the diaphragm.

Parameter Table

Model 50Hz 60Hz Pressure Diaphragm
SPM Flow
GM10/1.2 10 2.6 48 3.1 12 58 12 174 60 0.37KW
GM25/1.0 25 6.6 7.9 30 10 145
GM50/1.0 50 13 96 16 60 115 10 145
GM90/0.7 90 23 48 28 108 58 7 102 112
GM120/0.7 120 32 38 144 7 102
GM170/0.7 170 45 96 54 204 115 7 102
GM240/0.5 240 63 76 288 5 73
GM330/0.5 330 86 144 104 396 173 5 73
GM400/0.5 400 105 126 480 5 73
GM500/0.5 500 131 157 600 5 73


Model PVC PVDF SS304/316
GM10-GM25 6*9 mm hose RC1/2″ F 8*14mm welding union
GM50 DN15 glue union RC1/2″ F 10*16mm welding union
GM90-GM120 DN15 glue union RC1/2″ F 10*16mm welding union
GM170-GM330 DN15 glue union RC1/2″ F 15*22mm welding union
GM400-GM500 DN15 glue union RC3/4″ F 15*22mm welding union

After-sales Service: Online Support/Visit Client′s Plant Site
Warranty: 1 Year
Certification: EMC, ISO9001:2008, ISO9001:2000
Protection Grade: IP54
Voltage: Customized
Impeller Number: Customized


Vacuum Pump

Types of vacuum pumps

A vacuum pump is a device that pulls gas molecules out of a sealed volume and maintains a partial vacuum. Its job is to create a relative vacuum within its capabilities. Several types of vacuum pumps are available, including scroll and rotary piston models. Each has its own characteristics and uses. To learn more, read this article.

Screw Pump

Screw vacuum pumps use a mechanical screw to move an air or gas chamber to the axial housing wall. The movement of the chamber reduces the volume of gas, which is pre-compressed before being expelled through the pressure connection. These pumps can be single-pitch models or variable-pitch models. Variable pitch models feature variable pitch rotors that help distribute heat loads evenly across the rotor. Some models also include a thermostatic control valve that shuts off the pump if the water temperature gets too high. Screw vacuum pumps are available in single-ended or double-ended designs. Single-ended and double-ended screw pumps provide up to 3.7 x 10-4 Torr and an ultimate vacuum of 900 m3/h (560 cfm), which is sufficient for many industrial processes. Progressive cavity pumps are particularly suitable for vapor compression applications. These pumps also have an internal rotor to minimize layer formation. Combined with air cooling, they are suitable for use in hazardous environments. In addition, the screw rotor design prevents the build-up of substances in the pump cavity that could react with high temperatures. These pumps are also easily removable for quick cleaning. Screw vacuum pumps are also designed for low cost and minimal maintenance. Agknx screw vacuum pumps are designed in Germany and are very reliable and economical. Pump performance depends on cooling system and temperature. The temperature of the water used should be kept within a certain range, otherwise the pump may overheat and fail. Screw vacuum pumps are often used in scientific experiments. They are standard main pumps in large storage rings, gravitational wave detectors, and space simulation chambers. One of the largest ultra-high vacuum chambers in the world is made of screw vacuum pumps. An example is the KATRIN experiment. There are two types of screw vacuum pumps: oil-sealed and dry. Oil-sealed screw pumps use oil as a sealant and coolant. They are suitable for demanding vacuum applications such as woodworking and plastics processing. Dry screw pumps have an air-cooled chamber, and they can achieve higher vacuum levels than oil-sealed pumps.

Rotary Piston Vacuum Pumps

Rotary Piston Vacuum Pumps provide the rugged performance essential for applications requiring vacuum. They can deliver flow rates up to 1280 acfm and reach deep vacuum levels up to 0.0004 Torr. They are available in single-stage and two-stage models. The report also provides detailed information about the key players, their financial status, and business overview. A rotary piston vacuum pump is a versatile and affordable vacuum device. They are available in single-stage and two-stage configurations with higher capacity and higher vacuum. They can be easily maintained by an in-house maintenance team or by a local third-party service shop. Pump manufacturers can also provide services. Rotary piston vacuum pumps are available in single-stage and compound designs. They are ideal for a variety of applications. Their high-performance design enables them to operate at any pressure up to atmospheric pressure. They also have no metal-to-metal contact, which makes them ideal for dirty applications. Whether you need a pump that can operate at high or low pressure, a rotary piston vacuum pump is an excellent choice. When purchasing a rotary piston vacuum pump, it is important to choose a manufacturer with a reputation for providing high-quality service and repairs. In addition to the high quality of the pump, you also need to ensure its availability. You should also consider the cost and quality of the part. A good vacuum pump company should also provide technical support, service support and accessories. Oil-free pumps are a popular choice for laboratories, clean rooms and confined rooms. Their high-quality parts are made from lightweight, corrosion-resistant and specially formulated polymers. Oil-free pumps can handle high levels of air moisture and are excellent at removing contaminants. However, they are not suitable for applications containing organic vapors or acids. Atlas Copco’s GLS rotary piston pumps are a popular choice for industrial vacuum applications. Its space-saving design makes it an ideal solution for harsh environments. It is also very reliable and has low lifecycle costs. It has an automatic lubrication system and water mizer to minimize water consumption.
Vacuum Pump

Scroll Vacuum Pumps

<br Scroll Vacuum Pumps can be used to pump air, gases, and other fluids. They are suitable for creating a vacuum in transfer chambers, mass spectrometers, and load lock chambers. They are also ideal for helium leak detectors and other analytical equipment. Scroll vacuum pumps are available in a variety of models, including the diaphragm, turbine, and oil-dry scroll models. They are used in a variety of industries, including the semiconductor, biotechnology, and pharmaceutical industries. Flexible and durable oil-free scroll vacuum pumps are an excellent choice for light industrial, general laboratory, and research applications. They also offer several advantages over other vacuum pumps, including low operating costs and environmental sustainability. Scroll vacuum pumps do not require oil, which is a big advantage in terms of cost. Scroll vacuum pumps are also quieter. Scroll vacuum pumps are designed for low, medium, and high vacuum systems. They create a high vacuum and cannot tolerate particles. Although they are relatively small, they are ideal for vacuum laboratory applications and are also suitable for dry vacuum pumping. They can be combined with chemically resistant PTFE components, making them more suitable for chemical applications. Scroll vacuum pumps feature a unique design that makes them very versatile and efficient. The pump has two helical structures, one is fixed and the other is rotating, which can effectively pump gas and liquid. When the rotor begins to move, the gas is compressed slightly and then flows through the system to the exhaust port. Scroll vacuum pumps are efficient, oil-free and compact. Known for their high tolerance to the atmosphere, they feature sensorless INFORM(r) control to minimize noise and vibration. These vacuum pumps are ideal for low to medium flow applications including analytical equipment, freeze dryers, vacuum coaters and mass spectrometers. The most important advantage of a scroll vacuum pump is its reliability. They can be used for three years or more without problems and are easy to maintain. With proper maintenance, they can reduce repair costs.
Vacuum Pump

Diaphragm vacuum pumps

Diaphragm vacuum pumps are used in a variety of industrial processes. These pumps use an elastic diaphragm fixed around the outer diameter. They are efficient and can handle most types of liquids. They are commonly used for dewatering, filling and water removal. These pumps are easy to maintain. Diaphragm vacuum pumps are available in a variety of sizes and power outputs. Oil-free diaphragm vacuum pumps do not require oil, lubrication and cooling. These pumps are compatible with many types of laboratory equipment. Diaphragm vacuum pumps are equipped with dual voltage motors and DC drives for greater flexibility and durability. Diaphragm vacuum pumps can achieve higher vacuum levels than rotary vane pumps. They are more efficient than diaphragm pumps. They do not require oil and require less maintenance than their rotary vane counterparts. However, the diaphragms of these pumps may need to be replaced every few years. Diaphragm vacuum pumps are the most popular type of vacuum pump and can be used for a variety of applications. They can be used for everyday work and can be large enough to be used in a vacuum oven or rotary evaporator. Diaphragm vacuum pumps use pulsed motion to move air. They eliminate the need for oil and are highly chemical and steam resistant. They can handle a wide variety of samples, including high viscosity liquids. Diaphragm vacuum pumps are generally smaller than other types of vacuum pumps. Scroll pumps are made of metal and are generally recommended for solvent and water samples. They are not recommended for high acid samples. However, they are suitable for freeze drying. They can also be used for concentration applications. In this way, they have greater displacement capacity and can reach higher ultimate vacuum levels.

China factory Dosing Pump Plastic Pump Metering Pump Dosing Pump CZPT Pump   vacuum pump brakesChina factory Dosing Pump Plastic Pump Metering Pump Dosing Pump CZPT Pump   vacuum pump brakes
editor by CX 2023-11-11

China Ailipu Plunger Dosing Pump Vacuum Pumpchlorine Injection Pump vacuum pump design

Product Description

Trademark AIHangZhou
Pump Head Material PVC/PVDF/SS304/SS316/content can be custom-made
Crucial Promoting Details Trustworthy functionality/High running safety/Large effectiveness & Accurate measurement
Application  Agricultural/Chemical/Oil&Gas/Power generation/Pulp & paper/Textiles/Water treatment/Wastewater therapy, etc
Characteristic Simple upkeep /Corrosion resistant/ Economical & Sensible
Certification CE/ISO9001:2008 /ISO45001:2018 /ISO14001:2015
Package Type Strong wooden package suitable for prolonged length transportation 
Generation Ability 5000 Pcs/ Month

Application:This sequence plunger metering pump is developed for toughness and price-effective, which is welcome to be employed in
tons of strains, these kinds of as the h2o therapy, oil exploitation, petrochemicals, energy and chemical sector, foods sector and beverage sector, paper industry, textile market and so on.

Why Select Us?

one. Presently we are the premier products company in China and the only listed company in the industry with twenty five a long time of experiences in dosing pump equipment R&D,manufacture and installation.                                                                                                                                               
2. We are the only organization in possession of initial-tier suppliers of the nuclear submarine, the nuclear electricity business (China Countrywide Nuclear Corporation,China ZheJiang Nuclear Energy Organization) and the 3 petroleum giants (China National Petroleum Corporation,China Petrochemical Company, China Countrywide Off-shore Oil Corporation) at the identical time. And it also has the national certification of coal mine product certification.
three. It has high-quality application performance of huge initiatives in the sector. Sinopec Puguang venture, Sinopec Yuanba task, Sinopec Xihu (West Lake) Dis.n Project, CNOOC Chunxiao Oilfield, CNOOC Xihu (West Lake) Dis. Undertaking, Iraqi Emir Undertaking, Missan Project, Zha Project Of Cnpc, Hengyi Petrochemical Brunei Project, Laoyan Middle East, Laos Vientiane Project, Units No.4 And AP10003 Of Xihu (West Lake) Dis. Nuclear Electricity Plant, C3C4, C3C4 Chash-ma Nuclear Energy Plant of Pakistan,Karachi K2K3 Project, Algeria B1B2 Project.
four. There are 21 enterprise workplaces all in excess of China with expert following-sales service team and timely soon after-product sales response.
five. Our manufacturing unit has full market chain and obvious specialized advantage. ZHangZhoug AiHangZhou Industrial Handle Technological innovation Co.,¬†Ltd.,¬†one of¬†AiHangZhou’s subsidiaries,¬†it offers a wonderful variety of answers for handle method and integrate R&D and technical solutions for instrument technique. ZHangZhoug AiHangZhou R&D heart as a expert technology business,specializing in fluid dosing technologies and material corrosive residence.¬†
AiHangZhou co-established ZHangZhoug AiHangZhou Tsingtech Exhaust Purification Co.,¬†Ltd. with Tsing-hua University and ACR Ltd. (Japan). By producing complete use of¬†their positive aspects,¬†technology from Tsinghua and precision machining and material from ACR,¬†the joint undertaking is committed to promote AiHangZhou’s upgrading of industrial composition and technological development.

Right after Income Service
If you experience any problems throughout use, remember to dial our soon after-income provider cellphone number (every metering
pump has a distinctive manufacturing unit variety on the nameplate, you should advise us of this quantity when making contact with our
right after-income service personnel, so that we can validate the corresponding design and technical parameters of the

Shipping Cost:

Estimated freight per unit.

To be negotiated


After-sales Service: Perfect After-Sales Service
Warranty: 1 Year
Structure: Axial Plunger Pump


US$ 1650/Piece
1 Piece(Min.Order)


Order Sample

Special materials can be customized




Trademark AILIPU
Pump Head Material PVC/PVDF/SS304/SS316/material can be customized
Key Selling Points Reliable performance/High operating safety/High efficiency & Accurate measurement
Application  Agricultural/Chemical/Oil&Gas/Power generation/Pulp & paper/Textiles/Water treatment/Wastewater treatment, etc
Feature Simple maintenance /Corrosion resistant/ Economical & Practical
Certification CE/ISO9001:2008 /ISO45001:2018 /ISO14001:2015
Package Type Strong wooden package suitable for long distance transportation 
Production Capacity 5000 Pcs/ Month
Shipping Cost:

Estimated freight per unit.

To be negotiated


After-sales Service: Perfect After-Sales Service
Warranty: 1 Year
Structure: Axial Plunger Pump


US$ 1650/Piece
1 Piece(Min.Order)


Order Sample

Special materials can be customized




Trademark AILIPU
Pump Head Material PVC/PVDF/SS304/SS316/material can be customized
Key Selling Points Reliable performance/High operating safety/High efficiency & Accurate measurement
Application  Agricultural/Chemical/Oil&Gas/Power generation/Pulp & paper/Textiles/Water treatment/Wastewater treatment, etc
Feature Simple maintenance /Corrosion resistant/ Economical & Practical
Certification CE/ISO9001:2008 /ISO45001:2018 /ISO14001:2015
Package Type Strong wooden package suitable for long distance transportation 
Production Capacity 5000 Pcs/ Month

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 Ailipu Plunger Dosing Pump Vacuum Pumpchlorine Injection Pump     vacuum pump design		China Ailipu Plunger Dosing Pump Vacuum Pumpchlorine Injection Pump     vacuum pump design
editor by czh 2022-12-30