China high quality Vacuum Pump/Refrigerant Pump/Vp125/Single (Dual) Stage Vacuum Pump vacuum pump for ac

Product Description

Vacuum pump/Refrigerant pump/VP125/Single(Dual) Stage Vacuum Pump

1.CE certificate 
2.LVD certificate 
3.For air conditionin 
Technical parameters:

Item NO. VP215D VP225D VP235D VP245D VP260D VP280D VP2100D
Flow Rate 50Hz 1.5CFM 2.5CFM 3.5CFM 4.5CFM 6CFM 8CFM 10CFM
42 L/min 70 L/min 100 L/min 128 L/min 170 L/min 226 L/min 283 L/min
50 L/min 84 L/min 114 L/min 142 L/min 198 L/min 254 L/min 340 L/min
Ultimate vacuum   3×10-1Pa 3×10-1Pa 3×10-1Pa 3×10-1Pa 3×10-1Pa 3×10-1Pa 3×10-1Pa
  20 microns 20 microns 20 microns 20 microns 20 microns 20 microns 20 microns
Power 1/4HP 1/3HP 1/3HP 1/2HP 3/4HP 1HP 1HP
Inlet Port 1/4″Flare 1/4″Flare 1/4″&3/8″Flare 1/4″&3/8″Flare 1/4″&3/8″Flare 1/4″&3/8″Flare 1/4″&3/8″Flare
Oil Capacity 180ml 280ml 350ml 340ml 600ml 600ml 700ml
Dimensions(mm) 260x122x220 270x122x220 320x134x232 320x134x232 370x140x250 370x140x250 390x140x250
Weight 6kg 7kg 10.5kg 11kg 15kg 15.5kg 16kg

 Performance parameter form of CHINAMFG model pump

Model Revolving speed  n=2900r/min   Revolving speed  n=1450r/min
  Impeller form Flow  
MPSH Efficiency
KW Flow  
MPSH Efficiency
CHB40-315 A 46 140 3.2 54 54 22 36 0.8 47 11
B 44 130 37 22 32 5.5
CHB50-125-1   50 20 2.85 74.9 5.5 25 5 1 70.9 0.75
A 45 16 4 22.5 4 0.55
CHB50-160-1   50 32 2.85 73.2 7.5 25 8 1 69.2 1.1
A 45 26 5.5 22.5 6.5 0.75
CHB50-160 A 55 34 2.4 76 11 30 8 1.3 73 1.1
B 50 30 7.5 26 7 1.1
CHB50-200-1   50 50 2.85 69.1 15 25 12.5 1 65.1 2.2
A 45 41 11 12.5 10.3 0.75
CHB50-200 A 65 56 3.2 73 18.5 34 14 1.2 72 2.2
B 65 50 15 32 14 2.2
CHB50-250-1   50 80 2.85 63.2 22
25 20 1 59.2 3
A 45 71 22.5 17.8 2.2
CHB50-250 A 65 85 2.4 67 30 34 21 0.9 62 4
B 60 80 30 30 20 4
CHB50-315-1   50 125 2.85 54.7 37 25 31.3 1 50.7 5.5
A 45 110 30 22.5 27.5 4
CHB50-315 A 80 140 4 62 75
42 36 1.5 61 11
B 75 135 42 32
CHB65-125-1   100 20 3.62 78 11 50 5 1.13 74.9 1.1
A 90 16 5.5 45 4 1.1
CHB65-160 A 100 32 2.4 77 15 50 8 1.2 70 2.2
B 90 32 15 48 7 1.5
CHB65-200 A 100 54 2.6 76 30 50 13 0.8 75 3
B 90 50 22 46 12 3
CHB65-250 A 115 85 2.7 74 45 54 21 0.7 69 5.5
B 115 75 37 50 20
CHB65-315-1   100 125 3.62 66.3 75 50 31.3 1.13 63.2 11
A 90 110 55 145 27.5 7.5

Features of  pump:
1. High utmost vacuum rate, it can be less than 0.5mbar
2. High deflating speed
3. Low noise while working, lower than 67db
4. Strong capacity in deflating the vapor
5. Protecting environment; an oil fog clearer is set in the vacuum pump, and no oil fog in the exhaust air
6. Compact structure, scientific and reasonable design, and it is easy to install in the industry system 
Power plug
 -make this connection with different power plugs easy. 
Power supply conversion switch  
-make sure this switch is set om the right place before your operating:110V or 220V
Q1: What are your payment terms?
   A: Usually 30% deposit by T/T in advance, 70% balance before shipment.
        or L/C.
Q2: Can you do OEM?
A: Yes, we can. Any OEM are welcome!
Q3: How about the MOQ?
A: Sample order is also welcome! 
Q4: How about the delivery time?
A: Usually, 2-10days. But it depends on your order quantity.
Advanced One-Stop Purchasing Service. Welcome !
HangZhou CHINAMFG International Corporation Limited
Add:No.91 Xihu (West Lake) Dis. Road, New District, HangZhou, ZheJiang , China.

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


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

Can Vacuum Pumps Be Used for Soil and Groundwater Remediation?

Vacuum pumps are indeed widely used for soil and groundwater remediation. Here’s a detailed explanation:

Soil and groundwater remediation refers to the process of removing contaminants from the soil and groundwater to restore environmental quality and protect human health. Vacuum pumps play a crucial role in various remediation techniques by facilitating the extraction and treatment of contaminated media. Some of the common applications of vacuum pumps in soil and groundwater remediation include:

1. Soil Vapor Extraction (SVE): Soil vapor extraction is a widely used remediation technique for volatile contaminants present in the subsurface. It involves the extraction of vapors from the soil by applying a vacuum to the subsurface through wells or trenches. Vacuum pumps create a pressure gradient that induces the movement of vapors towards the extraction points. The extracted vapors are then treated to remove or destroy the contaminants. Vacuum pumps play a vital role in SVE by maintaining the necessary negative pressure to enhance the volatilization and extraction of contaminants from the soil.

2. Dual-Phase Extraction (DPE): Dual-phase extraction is a remediation method used for the simultaneous extraction of both liquids (such as groundwater) and vapors (such as volatile organic compounds) from the subsurface. Vacuum pumps are utilized to create a vacuum in extraction wells or points, drawing out both the liquid and vapor phases. The extracted groundwater and vapors are then separated and treated accordingly. Vacuum pumps are essential in DPE systems for efficient and controlled extraction of both liquid and vapor-phase contaminants.

3. Groundwater Pumping and Treatment: Vacuum pumps are also employed in groundwater remediation through the process of pumping and treatment. They are used to extract contaminated groundwater from wells or recovery trenches. By creating a vacuum or negative pressure, vacuum pumps facilitate the flow of groundwater towards the extraction points. The extracted groundwater is then treated to remove or neutralize the contaminants before being discharged or re-injected into the ground. Vacuum pumps play a critical role in maintaining the required flow rates and hydraulic gradients for effective groundwater extraction and treatment.

4. Air Sparging: Air sparging is a remediation technique used to treat groundwater and soil contaminated with volatile organic compounds (VOCs). It involves the injection of air or oxygen into the subsurface to enhance the volatilization of contaminants. Vacuum pumps are utilized in air sparging systems to create a vacuum or negative pressure zone in wells or points surrounding the contaminated area. This induces the movement of air and oxygen through the soil, facilitating the release and volatilization of VOCs. Vacuum pumps are essential in air sparging by maintaining the necessary negative pressure gradient for effective contaminant removal.

5. Vacuum-Enhanced Recovery: Vacuum-enhanced recovery, also known as vacuum-enhanced extraction, is a remediation technique used to recover non-aqueous phase liquids (NAPLs) or dense non-aqueous phase liquids (DNAPLs) from the subsurface. Vacuum pumps are employed to create a vacuum or negative pressure gradient in recovery wells or trenches. This encourages the movement and extraction of NAPLs or DNAPLs towards the recovery points. Vacuum pumps facilitate the efficient recovery of these dense contaminants, which may not be easily recoverable using traditional pumping methods.

It’s important to note that different types of vacuum pumps, such as rotary vane pumps, liquid ring pumps, or air-cooled pumps, may be used in soil and groundwater remediation depending on the specific requirements of the remediation technique and the nature of the contaminants.

In summary, vacuum pumps play a vital role in various soil and groundwater remediation techniques, including soil vapor extraction, dual-phase extraction, groundwater pumping and treatment, air sparging, and vacuum-enhanced recovery. By creating and maintaining the necessary pressure differentials, vacuum pumps enable the efficient extraction, treatment, and removal of contaminants, contributing to the restoration of soil and groundwater quality.

vacuum pump

What Is a Vacuum Pump, and How Does It Work?

A vacuum pump is a mechanical device used to create and maintain a vacuum or low-pressure environment within a closed system. Here’s a detailed explanation:

A vacuum pump operates on the principle of removing gas molecules from a sealed chamber, reducing the pressure inside the chamber to create a vacuum. The pump accomplishes this through various mechanisms and techniques, depending on the specific type of vacuum pump. Here are the basic steps involved in the operation of a vacuum pump:

1. Sealed Chamber:

The vacuum pump is connected to a sealed chamber or system from which air or gas molecules need to be evacuated. The chamber can be a container, a pipeline, or any other enclosed space.

2. Inlet and Outlet:

The vacuum pump has an inlet and an outlet. The inlet is connected to the sealed chamber, while the outlet may be vented to the atmosphere or connected to a collection system to capture or release the evacuated gas.

3. Mechanical Action:

The vacuum pump creates a mechanical action that removes gas molecules from the chamber. Different types of vacuum pumps use various mechanisms for this purpose:

– Positive Displacement Pumps: These pumps physically trap gas molecules and remove them from the chamber. Examples include rotary vane pumps, piston pumps, and diaphragm pumps.

– Momentum Transfer Pumps: These pumps use high-speed jets or rotating blades to transfer momentum to gas molecules, pushing them out of the chamber. Examples include turbomolecular pumps and diffusion pumps.

– Entrapment Pumps: These pumps capture gas molecules by adsorbing or condensing them on surfaces or in materials within the pump. Cryogenic pumps and ion pumps are examples of entrainment pumps.

4. Gas Evacuation:

As the vacuum pump operates, it creates a pressure differential between the chamber and the pump. This pressure differential causes gas molecules to move from the chamber to the pump’s inlet.

5. Exhaust or Collection:

Once the gas molecules are removed from the chamber, they are either exhausted into the atmosphere or collected and processed further, depending on the specific application.

6. Pressure Control:

Vacuum pumps often incorporate pressure control mechanisms to maintain the desired level of vacuum within the chamber. These mechanisms can include valves, regulators, or feedback systems that adjust the pump’s operation to achieve the desired pressure range.

7. Monitoring and Safety:

Vacuum pump systems may include sensors, gauges, or indicators to monitor the pressure levels, temperature, or other parameters. Safety features such as pressure relief valves or interlocks may also be included to protect the system and operators from overpressure or other hazardous conditions.

It’s important to note that different types of vacuum pumps have varying levels of vacuum they can achieve and are suitable for different pressure ranges and applications. The choice of vacuum pump depends on factors such as the required vacuum level, gas composition, pumping speed, and the specific application’s requirements.

In summary, a vacuum pump is a device that removes gas molecules from a sealed chamber, creating a vacuum or low-pressure environment. The pump accomplishes this through mechanical actions, such as positive displacement, momentum transfer, or entrapment. By creating a pressure differential, the pump evacuates gas from the chamber, and the gas is either exhausted or collected. Vacuum pumps play a crucial role in various industries, including manufacturing, research, and scientific applications.

China high quality Vacuum Pump/Refrigerant Pump/Vp125/Single (Dual) Stage Vacuum Pump   vacuum pump for ac	China high quality Vacuum Pump/Refrigerant Pump/Vp125/Single (Dual) Stage Vacuum Pump   vacuum pump for ac
editor by CX 2023-12-19