China wholesaler Zx Series Self Priming Chemical Oil Pump Vacuum Pump a/c vacuum pump

Product Description

ZX series Self Priming Chemical oil Pump Vacuum pump
Compact structure, convenient operation, stable operation, easy maintenance, high efficiency, long service life, and a self-priming function etc
In pipeline no need to install bottom valve, before work only to ensure the pump body reservoir has led to a quantitative liquid. 
Simplifies the pipeline system, and improves the working conditions 

Running Data

Self-priming head 6.5m
Capacity up to 800 m3/h
Head up to 70m
Liquid Temperature 130 ºC
Working pressure 1.6 MPa

Curve Chart Speed 1475rpm

Curve Chart Speed 2950rpm

Where can use our  ZX series Self Priming Chemical oil Pump Vacuum pump
1.City environmental protection, building, fire control, chemical engineering, pharmacy, dyestuff, printing and dyeing, brewage, electricity, electroplating, paper making, petroleum, mine, equipment cooling, tanker discharging, etc. 
2. Clear water, seawater, liquid containing acid or alkali chemical medium, and generally pasty slurry. 
3. Types and specifications of filter press, so it is an ideal type to deliver the slurry to the filter for the filter pressing

The Series ZX self-priming pumps are newly developed self-priming centrifugal pumps for clean water or chemicals. The pumps have the compact structure, the long life expectancy and the high energy-efficiency to operate smoothly and reliably. It is just need to check the amount of liquid in the pump for self-priming before starting pumping. The self-priming centrifugal pumps are widely used for applications in the chemical, dyestuffs, petroleum, pharmaceutical, brewery, paper and pulp, metallurgical and mining industries and for oil discharge of oil carrying ships, as well as for water supply and sewage drainage of municipal, industrial and emergence services. 
Performance parameters

Model Inlet Outlet Suction Motor Flow Head 
(mm) (mm) (m) (KW) (m3/h) (m)
25ZX3.2-20 25 25 6.5 0.75 3.2 20
25ZX3.2-32 25 25 6.5 1.1 3.2 32
40ZX6.3-20 40 32 6.5 1.1 6.3 20
40ZX10-40 40 40 6.5 4 10 40
50ZX15-12 50 50 6.5 1.5 15 12
50ZX18-20 50 50 6.5 2.2 18 20
50ZX20-30 50 50 6.5 4 20 30
50ZX10-40 50 50 6.5 4 10 40
50ZX12.5-50 50 50 6.5 5.5 12.5 50
50ZX15-60 50 50 6.5 7.5 15 60
65ZX30-15 65 50 6.5 3 30 15
65ZX25-32 65 50 6 5.5 25 32
80ZX35-13 80 65 6 2.2 35 13
80ZX40-22 80 65 6 5.5 40 22
80ZX50-32 80 80 6 7.5 50 32
80ZX60-55 80 80 6 15 60 55
80ZX60-70 80 80 6 22 60 70
100ZX100-20 100 80 6 11 100 20
100ZX100-40 100 100 6 18.5 100 40
100ZX100-65 100 100 6 30 100 65
100ZX70-80 100 100 6 30 70 80
150ZX160-55 150 100 5 45 160 55
150ZX150-80 150 100 5 55 150 80
200ZX280-65 200 150 5 90 280 65

 More detailed technical data and operating condition for Electric Stainless Steel Horizontal Chemical Self Priming Pump please check with our engineer.


Company Profile

ZheJiang CHINAMFG Flow Technology Co.

Ltd is 1 of the sub-company of ZheJiang Tongji NZheJiang Science Hi-tech part Co., Ltd. A manufacturer of a full range of industry products and power supply products ,including the blower , pumps ,electric motor and control system since 2001. Since our founding we have dedicated our activities towards the manufacture of products that provide efficient utilizations for ways to conserve the resources needed to sustain life.


  • Now exporting to more than 50 countries across the face of the globe, we of the Tongji NZheJiang Group under the CHINAMFG brand have continued to hold fast to our principle of continual self-development.Determined to increase our competitive strengths on domestic and foreign markets, in 2571 the group of the company put its ZheJiang ZheJiang and HangZhou factory into full capacity service. The factory has been built on 25,000m2 of land with production facilities covering an area of 15,000m2 .
  • Through the years, we has been propelled into a leadership techniques the Group has developed, our machinery, R&D unit, professional staff, and our continual provision of top quality and modern services.

  • Our basic philosophy is to ensure that all of our actions are conducted in strict conformance with legal and business ethics, that our customers are informed and their rights always protected, that we provide the best possible quality of services and technology, and that we establish a system of human resources that meets the satisfaction of both our own personnel and our customers.
  • Backed by 10 years of developed technology and high quality of service, we stride CHINAMFG into the future determined never to make any concessions in anything we do.Under the CHINAMFG brand company we have been dedicated to offering our services to those industries that value and need high performance.

Factory Work Shop

The factory has been bult on 25.000m2of land with production facilities covering an area of 15,000m2.We design and make tHangZhoug size pump according the details inquiryfrom the end user . TKFLO have the independent product development,product design abilitlythe company has 5 production lines, covering a numberof products. Not only for its own independent registered trademarK TKFLO,TONGKE FLOW, but also for customers to provide OEMservice, Design service.


Quality Control

After years of development,the company has passed the B.V certification of IS 9001-2015,ISO 14001-2015 ,EMC certifcated CEetc international management system.
NFPA fire protection association member factory ,UL listed for double suction pump, intellectual property patent certificate forproducts and fully implementing the 6S management.



Why Choose Us?

Our advantage

  • Focus on Customs requests & service

We provide premium services to meet customer demand, Customer satisfaction is an important factor to measure the quality of products.Energy efficient, Stable operation and Forever technique service.

  • High Qualified Technical Engineer Team

Hold an interdisciplinary professionals and practical experience of technical team ,including 2 doctoral tutor , 1 professor,5 senior engineers and more than 20 engineers for long techno-logical improvement and innovation and to provide you with a full range of technical support and good after-sale service.

  • High quality standard parts supplier

Quality suppliers for high quality castings; Famous international and domestic Brand mechanical elements, bearing, motor, control panel and diesel engines to meet the diverse needs of our customers. Collaborated with WEG/ABB/SIMENS/ CUMMININS/ VOLVO/ PERKIN…

  • Strictly Quality Control System

Manufacturer strictly follows ISO9001:2015 quality control system and 6S management system. You may be sure that our products meet the required quality tenders. Material report, Performance test report… and Third party inspection are available.

Our Service

  • Pre-sales service

– Inquiry and consulting support. 15 years pump technical experience.- One-to-1 sales engineer technical service.- Hot-line of service is available in 24h, responded in 8h.

  • After service

– Technical training Equipment evaluation; – Installation and debugging Troubleshoot; – Maintenance Update and improvement;- One-year warranty. Provide technical support free all-life of the products. – Keep all-life contacting with clients, get feedback on use of the equipment and make the products quality continually perfected.

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Oil or Not: Oil
Structure: Rotary Vacuum Pump
Exhauster Method: Positive Displacement Pump
Vacuum Degree: High Vacuum
Work Function: Mainsuction Pump
Working Conditions: Dry


vacuum pump

How Do You Maintain and Troubleshoot Vacuum Pumps?

Maintaining and troubleshooting vacuum pumps is essential to ensure their optimal performance and longevity. Here’s a detailed explanation:

Maintenance of Vacuum Pumps:

1. Regular Inspection: Perform regular visual inspections of the pump to check for any signs of damage, leaks, or abnormal wear. Inspect the motor, belts, couplings, and other components for proper alignment and condition.

2. Lubrication: Follow the manufacturer’s guidelines for lubrication. Some vacuum pumps require regular oil changes or lubrication of moving parts. Ensure that the correct type and amount of lubricant are used.

3. Oil Level Check: Monitor the oil level in oil-sealed pumps and maintain it within the recommended range. Add or replace oil as necessary, following the manufacturer’s instructions.

4. Filter Maintenance: Clean or replace filters regularly to prevent clogging and ensure proper airflow. Clogged filters can impair pump performance and increase energy consumption.

5. Cooling System: If the vacuum pump has a cooling system, inspect it regularly for cleanliness and proper functioning. Clean or replace cooling components as needed to prevent overheating.

6. Seals and Gaskets: Check the seals and gaskets for signs of wear or leakage. Replace any damaged or worn seals promptly to maintain airtightness.

7. Valve Maintenance: If the vacuum pump includes valves, inspect and clean them regularly to ensure proper operation and prevent blockages.

8. Vibration and Noise: Monitor the pump for excessive vibration or unusual noise, which may indicate misalignment, worn bearings, or other mechanical issues. Address these issues promptly to prevent further damage.

Troubleshooting Vacuum Pump Problems:

1. Insufficient Vacuum Level: If the pump is not achieving the desired vacuum level, check for leaks in the system, improper sealing, or worn-out seals. Inspect valves, connections, and seals for leaks and repair or replace as needed.

2. Poor Performance: If the pump is not providing adequate performance, check for clogged filters, insufficient lubrication, or worn-out components. Clean or replace filters, ensure proper lubrication, and replace worn parts as necessary.

3. Overheating: If the pump is overheating, check the cooling system for blockages or insufficient airflow. Clean or replace cooling components and ensure proper ventilation around the pump.

4. Excessive Noise or Vibration: Excessive noise or vibration may indicate misalignment, worn bearings, or other mechanical issues. Inspect and repair or replace damaged or worn parts. Ensure proper alignment and balance of rotating components.

5. Motor Issues: If the pump motor fails to start or operates erratically, check the power supply, electrical connections, and motor components. Test the motor using appropriate electrical testing equipment and consult an electrician or motor specialist if necessary.

6. Excessive Oil Consumption: If the pump is consuming oil at a high rate, check for leaks or other issues that may be causing oil loss. Inspect seals, gaskets, and connections for leaks and repair as needed.

7. Abnormal Odors: Unusual odors, such as a burning smell, may indicate overheating or other mechanical problems. Address the issue promptly and consult a technician if necessary.

8. Manufacturer Guidelines: Always refer to the manufacturer’s guidelines and recommendations for maintenance and troubleshooting specific to your vacuum pump model. Follow the prescribed maintenance schedule and seek professional assistance when needed.

By following proper maintenance procedures and promptly addressing any troubleshooting issues, you can ensure the reliable operation and longevity of your vacuum pump.

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

What Are the Primary Applications of Vacuum Pumps?

Vacuum pumps have a wide range of applications across various industries. Here’s a detailed explanation:

1. Industrial Processes:

Vacuum pumps play a vital role in numerous industrial processes, including:

– Vacuum Distillation: Vacuum pumps are used in distillation processes to lower the boiling points of substances, enabling separation and purification of various chemicals and compounds.

– Vacuum Drying: Vacuum pumps aid in drying processes by creating a low-pressure environment, which accelerates moisture removal from materials without excessive heat.

– Vacuum Packaging: Vacuum pumps are used in the food industry to remove air from packaging containers, prolonging the shelf life of perishable goods by reducing oxygen exposure.

– Vacuum Filtration: Filtration processes can benefit from vacuum pumps to enhance filtration rates by applying suction, facilitating faster separation of solids and liquids.

2. Laboratory and Research:

Vacuum pumps are extensively used in laboratories and research facilities for various applications:

– Vacuum Chambers: Vacuum pumps create controlled low-pressure environments within chambers for conducting experiments, testing materials, or simulating specific conditions.

– Mass Spectrometry: Mass spectrometers often utilize vacuum pumps to create the necessary vacuum conditions for ionization and analysis of samples.

– Freeze Drying: Vacuum pumps enable freeze-drying processes, where samples are frozen and then subjected to a vacuum, allowing the frozen water to sublimate directly from solid to vapor state.

– Electron Microscopy: Vacuum pumps are essential for electron microscopy techniques, providing the necessary vacuum environment for high-resolution imaging of samples.

3. Semiconductor and Electronics Industries:

High vacuum pumps are critical in the semiconductor and electronics industries for manufacturing and testing processes:

– Semiconductor Fabrication: Vacuum pumps are used in various stages of chip manufacturing, including deposition, etching, and ion implantation processes.

– Thin Film Deposition: Vacuum pumps create the required vacuum conditions for depositing thin films of materials onto substrates, as done in the production of solar panels, optical coatings, and electronic components.

– Leak Detection: Vacuum pumps are utilized in leak testing applications to detect and locate leaks in electronic components, systems, or pipelines.

4. Medical and Healthcare:

Vacuum pumps have several applications in the medical and healthcare sectors:

– Vacuum Assisted Wound Closure: Vacuum pumps are used in negative pressure wound therapy (NPWT), where they create a controlled vacuum environment to promote wound healing and removal of excess fluids.

– Laboratory Equipment: Vacuum pumps are essential in medical and scientific equipment such as vacuum ovens, freeze dryers, and centrifugal concentrators.

– Anesthesia and Medical Suction: Vacuum pumps are utilized in anesthesia machines and medical suction devices to create suction and remove fluids or gases from the patient’s body.

5. HVAC and Refrigeration:

Vacuum pumps are employed in the HVAC (Heating, Ventilation, and Air Conditioning) and refrigeration industries:

– Refrigeration and Air Conditioning Systems: Vacuum pumps are used during system installation, maintenance, and repair to evacuate moisture and air from refrigeration and air conditioning systems, ensuring efficient operation.

– Vacuum Insulation Panels: Vacuum pumps are utilized in the manufacturing of vacuum insulation panels, which offer superior insulation properties for buildings and appliances.

6. Power Generation:

Vacuum pumps play a role in power generation applications:

– Steam Condenser Systems: Vacuum pumps are used in power plants to remove non-condensable gases from steam condenser systems, improving thermal efficiency.

– Gas Capture: Vacuum pumps are utilized to capture and remove gases, such as hydrogen or helium, in nuclear power plants, research reactors, or particle accelerators.

These are just a few examples of the primary applications of vacuum pumps. The versatility and wide range of vacuum pump types make them essential in numerous industries, contributing to various manufacturing processes, research endeavors, and technological advancements.

China wholesaler Zx Series Self Priming Chemical Oil Pump Vacuum Pump   a/c vacuum pump		China wholesaler Zx Series Self Priming Chemical Oil Pump Vacuum Pump   a/c vacuum pump
editor by CX 2024-03-23

vacuum pump

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