China wholesaler Solar DC Submersible Centrifugal Pump Vacuum Pump vacuum pump for ac

Product Description


Solar pumping system mainly consists of PV modules, solar pumping controller / inverter and water pumps, Solar panels convert sunlight
to electrical energy which is passed to the solar pump controller, The solar controller stabilizes the voltage and output power to drive the
pump motor, Even on cloudy days,it can pump 10% water flow per day. Sensors are also connected to the controller to protect the pump
from running dry as well as to automatically stop the pump working when the tank is full.


1. No MOQ required, Most solar water pumps ready in stock(fast lead time)
2. Two Years Warranty
3. Experienced manufacturer of over 15 years
4. Manufacture more than 50000pcs per year
5. Exported more than 60 countries

How to choose pump

How to choose pump

Calculation of pump head
1)H1:vertical distance from the pump to the ground

2)H2:Vertical distance from water tank to ground

3)L:Horizontal distance from water pump to tank

4) Total head = H1+H2+L*10%

Calculation of pump Flow
1)Time: 5 hours (estimated working hours of solar water pump)

2)Daily water consumption: daily water consumption of water pump (m³)

3)Actual flow: daily water consumption/time(m³/h)

Pls select the right pump below yourself, or pls inform us below information, then we can select the right pump for you.

1. Where will the pump be used?
2. How much water discharge ( liters or gallon or m3) required per day or per hour?
3. Do you need a submersible pump or surface pump?
4. If you want to pump the water from borehole(deep well), the depth of borehole?
5. The pipe distance from the top of borehole or river to destination tank? Is the distance slope or horizontal?
6. The height of tank?

Analysis of pump parameters

Solar screw pump Outlet size:3 inch/4 inch

3 inch Solar screw pump diameter is 76mm/4 inch Solar screw pump diameter is 100mm

0.9:Pump Max Flow is 0.9 m3/h

40:Pump Max Head is 40m

D24:pump voltage is DC 24V

100:Pump Power is 100W(0.15HP)

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Analysis of pump parameters

Solar screw pump Outlet size:3 inch

3 inch Solar screw pump diameter is 76mm

1.3:Pump Max Flow is 1.3 m3/h

60:Pump Max Head is 60m

D24:pump voltage is DC 24V

180:Pump Power is 180W(0.25HP)

Model Impeller voltage Pump Max Max Outlet Pump Solar
Power Flow Head size panel
(V) (W) (m3/h) (M) (inch) (mm) (W)
3ZST1.3-60-D24-180 Screw 24 180 1.3 60 3/4″ Ø76 275
3ZST1.5-80-D24-210 Screw 24 210 1.5 80 3/4″ Ø76 330
3ZST1.5-100-D24-270 Screw 24 270 1.5 100 3/4″ Ø76 400
3ZST1.8-120-D48-500 Screw 48 500 1.8 120 3/4″ Ø76 800
3ZST2.3-120-D72-750 Screw 72 750 2.3 120 3/4″ Ø76 1050
3ZST2.3-140-D72-1100 Screw 72 750 2.3 140 3/4″ Ø76 1650


– The efficiency is improved 25% by the permanent magnetism,direct current, brushless, non-sensor motor.
– Adopt double plastic package for rotor and stator,motor insulation ≥300MΩ,the motor security was much improved.
– 100% copper wire, DW-300 cold-rolled silicon steel sheet.
– Stainless steel 304 & 316 shaft , motor body, screw.

Pump material:

Outlet: stainless steel AISI 304 or AISI 316L
Pump body: stainless steel AISI 304 or AISI 316L
Motor body: stainless steel AISI 304 or AISI 316L
Motor Shaft: stainless steel AISI 304 or AISI 316L
Mechanical seal: Special seal for deep well(Graphite-Ceramic) Bearing: C&U or NSK

MPPT Controller function/MPPT

Low-voltage protection
Over-voltage protection
Over-current protection
Dry-protection protection
Reverse connection protection
Soft starting protection
Lack of water protection


24V controller:26-50V
48V controller:50-100V
72V controller:76-150V
96V controller:100-200V
MAX input current:15A
Ambient temperature:-15ºC-70ºC



Installation Diagram

Solar pumping system mainly consists of PV modules, solar pumping controller / inverter and water pumps, Solar panels convert sunlight
to electrical energy which is passed to the solar pump controller, The solar controller stabilizes the voltage and output power to drive the
pump motor, Even on cloudy days,it can pump 10% water flow per day. Sensors are also connected to the controller to protect the pump
from running dry as well as to automatically stop the pump working when the tank is full.

Solar panel collects sunlight→DC electricity energy → Solar Controller (rectification,stabilization, amplification,filtering) →available DC electricity→(charge the batteries)→pumping water

Since the sunlight/sunshine is not the same in different countries /regions on earth, the solar panels connection will be slightly changed
when installed in different place, In order to ensure the same/similar performance & efficiency,The recommended solar panels power =
Pump Power * (1.2-1.5)

solar powered water pumps are mainly used in:

1. Irrigation of agriculture.
2. Drinking water and living water.
3. Remote areas, farming
4. Fountains.
5. Swimming pool circulation and filtration.
Brushless DC Pump:
1. Solar pump with 5m cable, longer cable is available if required
2. MPPT &DSP Controller
3. Water level sensor or float switch
4. Other Accessories: Outlet / MC4 PV Cable Connector / PTFE Tape / Electric tape / screwdriver / Pipe hoop / Water pipe connector
5. Nylon Rope to hang the pump
6. Screw or Impeller for replace
7. Installation Manual 8. Solar panels are option

Company Profile


Exhibition and Certifications


Customer reviews


Packaging & Shipping


Q: Are you a manufacture or trading company?
A: We are a manufacture special for solar Brushless DC pump;
Q: Which payment way you accept?
A: Paypal, Alipay, T/T, L/C ,D/P.
Q: What’s the MOQ?
A: For trail sample order, 1pcs is available.
Q.How can I get the solar pumps?
A: We can send the pump to customers by express like DHL, Fedex, or send by air and sea.
Q: What’s your delivery time?
A:1) We have stock for most of regular model and the sample can be sent to you within 2-3 days.
2) The quantity order can be shipped to you within 10-15 days after order confirmation.
Q: What about your product warranty& after sales service?
A: Three years warranty for all solar pump.
Q: Can you supply completely solar pump system?
A: Yes, we can supply whole solar pump system with solar panel, PV box, Panel structure and cable.

Max.Head: 50-80m
Max.Capacity: <50 L/min
Driving Type: Motor
Material: Stainless Steel
Structure: Screw Pump
Power: Solar Energy


vacuum pump

Can Vacuum Pumps Be Used in the Automotive Industry?

Yes, vacuum pumps are widely used in the automotive industry for various applications. Here’s a detailed explanation:

The automotive industry relies on vacuum pumps for several critical functions and systems within vehicles. Vacuum pumps play a crucial role in enhancing performance, improving fuel efficiency, and enabling the operation of various automotive systems. Here are some key applications of vacuum pumps in the automotive industry:

1. Brake Systems: Vacuum pumps are commonly used in vacuum-assisted brake systems, also known as power brakes. These systems utilize vacuum pressure to amplify the force applied by the driver to the brake pedal, making braking more efficient and responsive. Vacuum pumps help generate the required vacuum for power brake assistance, ensuring reliable and consistent braking performance.

2. Emission Control Systems: Vacuum pumps are integral components of emission control systems in vehicles. They assist in operating components such as the Exhaust Gas Recirculation (EGR) valve and the Evaporative Emission Control (EVAP) system. Vacuum pumps help create the necessary vacuum conditions for proper functioning of these systems, reducing harmful emissions and improving overall environmental performance.

3. HVAC Systems: Heating, Ventilation, and Air Conditioning (HVAC) systems in vehicles often utilize vacuum pumps for various functions. Vacuum pumps help control the vacuum-operated actuators that regulate the direction, temperature, and airflow of the HVAC system. They ensure efficient operation and precise control of the vehicle’s interior climate control system.

4. Turbocharger and Supercharger Systems: In performance-oriented vehicles, turbocharger and supercharger systems are used to increase engine power and efficiency. Vacuum pumps play a role in these systems by providing vacuum pressure for actuating wastegates, blow-off valves, and other control mechanisms. These components help regulate the boost pressure and ensure optimal performance of the forced induction system.

5. Fuel Delivery Systems: Vacuum pumps are employed in certain types of fuel delivery systems, such as mechanical fuel pumps. These pumps utilize vacuum pressure to draw fuel from the fuel tank and deliver it to the engine. While mechanical fuel pumps are less commonly used in modern vehicles, vacuum pumps are still found in some specialized applications.

6. Engine Management Systems: Vacuum pumps are utilized in engine management systems for various functions. They assist in operating components such as vacuum-operated actuators, vacuum reservoirs, and vacuum sensors. These components play a role in engine performance, emissions control, and overall system functionality.

7. Fluid Control Systems: Vacuum pumps are used in fluid control systems within vehicles, such as power steering systems. Vacuum-assisted power steering systems utilize vacuum pressure to assist the driver in steering, reducing the effort required. Vacuum pumps provide the necessary vacuum for power steering assistance, enhancing maneuverability and driver comfort.

8. Diagnostic and Testing Equipment: Vacuum pumps are also utilized in automotive diagnostic and testing equipment. These pumps create vacuum conditions necessary for testing and diagnosing various vehicle systems, such as intake manifold leaks, brake system integrity, and vacuum-operated components.

It’s important to note that different types of vacuum pumps may be used depending on the specific automotive application. Common vacuum pump technologies in the automotive industry include diaphragm pumps, rotary vane pumps, and electric vacuum pumps.

In summary, vacuum pumps have numerous applications in the automotive industry, ranging from brake systems and emission control to HVAC systems and engine management. They contribute to improved safety, fuel efficiency, environmental performance, and overall vehicle functionality.

vacuum pump

How Do Vacuum Pumps Affect the Performance of Vacuum Chambers?

When it comes to the performance of vacuum chambers, vacuum pumps play a critical role. Here’s a detailed explanation:

Vacuum chambers are enclosed spaces designed to create and maintain a low-pressure environment. They are used in various industries and scientific applications, such as manufacturing, research, and material processing. Vacuum pumps are used to evacuate air and other gases from the chamber, creating a vacuum or low-pressure condition. The performance of vacuum chambers is directly influenced by the characteristics and operation of the vacuum pumps used.

Here are some key ways in which vacuum pumps affect the performance of vacuum chambers:

1. Achieving and Maintaining Vacuum Levels: The primary function of vacuum pumps is to create and maintain the desired vacuum level within the chamber. Vacuum pumps remove air and other gases, reducing the pressure inside the chamber. The efficiency and capacity of the vacuum pump determine how quickly the desired vacuum level is achieved and how well it is maintained. High-performance vacuum pumps can rapidly evacuate the chamber and maintain the desired vacuum level even when there are gas leaks or continuous gas production within the chamber.

2. Pumping Speed: The pumping speed of a vacuum pump refers to the volume of gas it can remove from the chamber per unit of time. The pumping speed affects the rate at which the chamber can be evacuated and the time required to achieve the desired vacuum level. A higher pumping speed allows for faster evacuation and shorter cycle times, improving the overall efficiency of the vacuum chamber.

3. Ultimate Vacuum Level: The ultimate vacuum level is the lowest pressure that can be achieved in the chamber. It depends on the design and performance of the vacuum pump. Higher-quality vacuum pumps can achieve lower ultimate vacuum levels, which are important for applications requiring higher levels of vacuum or for processes that are sensitive to residual gases.

4. Leak Detection and Gas Removal: Vacuum pumps can also assist in leak detection and gas removal within the chamber. By continuously evacuating the chamber, any leaks or gas ingress can be identified and addressed promptly. This ensures that the chamber maintains the desired vacuum level and minimizes the presence of contaminants or unwanted gases.

5. Contamination Control: Some vacuum pumps, such as oil-sealed pumps, use lubricating fluids that can introduce contaminants into the chamber. These contaminants may be undesirable for certain applications, such as semiconductor manufacturing or research. Therefore, the choice of vacuum pump and its potential for introducing contaminants should be considered to maintain the required cleanliness and purity of the vacuum chamber.

6. Noise and Vibrations: Vacuum pumps can generate noise and vibrations during operation, which can impact the performance and usability of the vacuum chamber. Excessive noise or vibrations can interfere with delicate experiments, affect the accuracy of measurements, or cause mechanical stress on the chamber components. Selecting vacuum pumps with low noise and vibration levels is important for maintaining optimal chamber performance.

It’s important to note that the specific requirements and performance factors of a vacuum chamber can vary depending on the application. Different types of vacuum pumps, such as rotary vane pumps, dry pumps, or turbomolecular pumps, offer varying capabilities and features that cater to specific needs. The choice of vacuum pump should consider factors such as the desired vacuum level, pumping speed, ultimate vacuum, contamination control, noise and vibration levels, and compatibility with the chamber materials and gases used.

In summary, vacuum pumps have a significant impact on the performance of vacuum chambers. They enable the creation and maintenance of the desired vacuum level, affect the pumping speed and ultimate vacuum achieved, assist in leak detection and gas removal, and influence contamination control. Careful consideration of the vacuum pump selection ensures optimal chamber performance for various applications.

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 Solar DC Submersible Centrifugal Pump Vacuum Pump   vacuum pump for ac	China wholesaler Solar DC Submersible Centrifugal Pump Vacuum Pump   vacuum pump for ac
editor by CX 2023-11-01

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