China Professional 3.5cfm Vacuum Pump/Refrigerant Pump/Vp125/Single (Dual) Stage Vacuum Pump vacuum pump connector

Product Description

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

1.CE certificate 
2.LVD certificate 
3.For air conditionin 
4.Small,light,nicelooking.
 
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
60Hz 1.8CFM 3CFM 4CFM 5CFM 7CFM 9CFM 12CFM
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  
 Q  
(m3/h)
Head  
 H  
(m)
MPSH Efficiency
η%
KW Flow  
 Q  
(m3/h)
Head  
 H  
(m)
MPSH Efficiency
η%
KW
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
18.5
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
55
42 36 1.5 61 11
7.5
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
 
 
 
FAQ:
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 !
 
Contact:
Nicole
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
Customization:
Available

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vacuum pump

What Is the Vacuum Level and How Is It Measured in Vacuum Pumps?

The vacuum level refers to the degree of pressure below atmospheric pressure in a vacuum system. It indicates the level of “emptiness” or the absence of gas molecules in the system. Here’s a detailed explanation of vacuum level measurement in vacuum pumps:

Vacuum level is typically measured using pressure units that represent the difference between the pressure in the vacuum system and atmospheric pressure. The most common unit of measurement for vacuum level is the Pascal (Pa), which is the SI unit. Other commonly used units include Torr, millibar (mbar), and inches of mercury (inHg).

Vacuum pumps are equipped with pressure sensors or gauges that measure the pressure within the vacuum system. These gauges are specifically designed to measure the low pressures encountered in vacuum applications. There are several types of pressure gauges used for measuring vacuum levels:

1. Pirani Gauge: Pirani gauges operate based on the thermal conductivity of gases. They consist of a heated element exposed to the vacuum environment. As gas molecules collide with the heated element, they transfer heat away, causing a change in temperature. By measuring the change in temperature, the pressure can be inferred, allowing the determination of the vacuum level.

2. Thermocouple Gauge: Thermocouple gauges utilize the thermal conductivity of gases similar to Pirani gauges. They consist of two dissimilar metal wires joined together, forming a thermocouple. As gas molecules collide with the thermocouple, they cause a temperature difference between the wires, generating a voltage. The voltage is proportional to the pressure and can be calibrated to provide a reading of the vacuum level.

3. Capacitance Manometer: Capacitance manometers measure pressure by detecting the change in capacitance between two electrodes caused by the deflection of a flexible diaphragm. As the pressure in the vacuum system changes, the diaphragm moves, altering the capacitance and providing a measurement of the vacuum level.

4. Ionization Gauge: Ionization gauges operate by ionizing gas molecules in the vacuum system and measuring the resulting electrical current. The ion current is proportional to the pressure, allowing the determination of the vacuum level. There are different types of ionization gauges, such as hot cathode, cold cathode, and Bayard-Alpert gauges.

5. Baratron Gauge: Baratron gauges utilize the principle of capacitance manometry but with a different design. They consist of a pressure-sensing diaphragm separated by a small gap from a reference electrode. The pressure difference between the vacuum system and the reference electrode causes the diaphragm to deflect, changing the capacitance and providing a measurement of the vacuum level.

It’s important to note that different types of vacuum pumps may have different pressure ranges and may require specific pressure gauges suitable for their operating conditions. Additionally, vacuum pumps are often equipped with multiple gauges to provide information about the pressure at different stages of the pumping process or in different parts of the system.

In summary, vacuum level refers to the pressure below atmospheric pressure in a vacuum system. It is measured using pressure gauges specifically designed for low-pressure environments. Common types of pressure gauges used in vacuum pumps include Pirani gauges, thermocouple gauges, capacitance manometers, ionization gauges, and Baratron gauges.

\vacuum pump

Can Vacuum Pumps Be Used for Leak Detection?

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

Leak detection is a critical task in various industries, including manufacturing, automotive, aerospace, and HVAC. It involves identifying and locating leaks in a system or component that may result in the loss of fluids, gases, or pressure. Vacuum pumps can play a significant role in leak detection processes by creating a low-pressure environment and facilitating the detection of leaks through various methods.

Here are some ways in which vacuum pumps can be used for leak detection:

1. Vacuum Decay Method: The vacuum decay method is a common technique used for leak detection. It involves creating a vacuum in a sealed system or component using a vacuum pump and monitoring the pressure change over time. If there is a leak present, the pressure will gradually increase due to the ingress of air or gas. By measuring the rate of pressure rise, the location and size of the leak can be estimated. Vacuum pumps are used to evacuate the system and establish the initial vacuum required for the test.

2. Bubble Testing: Bubble testing is a simple and visual method for detecting leaks. In this method, the component or system being tested is pressurized with a gas, and then immersed in a liquid, typically soapy water. If there is a leak, the gas escaping from the component will form bubbles in the liquid, indicating the presence and location of the leak. Vacuum pumps can be used to create a pressure differential that forces gas out of the leak, making it easier to detect the bubbles.

3. Helium Leak Detection: Helium leak detection is a highly sensitive method used to locate extremely small leaks. Helium, being a small atom, can easily penetrate small openings and leaks. In this method, the system or component is pressurized with helium gas, and a vacuum pump is used to evacuate the surrounding area. A helium leak detector is then used to sniff or scan the area for the presence of helium, indicating the location of the leak. Vacuum pumps are essential for creating the low-pressure environment required for this method and ensuring accurate detection.

4. Pressure Change Testing: Vacuum pumps can also be used in pressure change testing for leak detection. This method involves pressurizing a system or component and then isolating it from the pressure source. The pressure is monitored over time, and any significant pressure drop indicates the presence of a leak. Vacuum pumps can be used to evacuate the system after pressurization, returning it to atmospheric pressure for comparison or retesting.

5. Mass Spectrometer Leak Detection: Mass spectrometer leak detection is a highly sensitive and precise method used to identify and quantify leaks. It involves introducing a tracer gas, usually helium, into the system or component being tested. A vacuum pump is used to evacuate the surrounding area, and a mass spectrometer is employed to analyze the gas samples for the presence of the tracer gas. This method allows for accurate detection and quantification of leaks down to very low levels. Vacuum pumps are crucial for creating the necessary vacuum conditions and ensuring reliable results.

In summary, vacuum pumps can be effectively used for leak detection purposes. They facilitate various leak detection methods such as vacuum decay, bubble testing, helium leak detection, pressure change testing, and mass spectrometer leak detection. Vacuum pumps create the required low-pressure environment, assist in evacuating the system or component being tested, and enable accurate and reliable leak detection. The choice of vacuum pump depends on the specific requirements of the leak detection method and the sensitivity needed for the application.

vacuum pump

What Industries Commonly Rely on Vacuum Pump Technology?

Vacuum pump technology finds applications in various industries where creating and controlling vacuum or low-pressure environments is crucial. Here’s a detailed explanation:

1. Manufacturing and Production: Vacuum pumps are extensively used in manufacturing and production processes across multiple industries. They are employed for tasks such as vacuum molding, vacuum packaging, vacuum degassing, vacuum drying, and vacuum distillation. Industries like automotive, aerospace, electronics, pharmaceuticals, and food processing rely on vacuum pump technology to achieve precise and controlled manufacturing conditions.

2. Chemical and Pharmaceutical: The chemical and pharmaceutical industries heavily rely on vacuum pumps for numerous applications. These include solvent recovery, vacuum filtration, vacuum drying, distillation, crystallization, and evaporation. Vacuum pumps enable these industries to carry out critical processes under reduced pressure, ensuring efficient separation, purification, and synthesis of various chemical compounds and pharmaceutical products.

3. Semiconductor and Electronics: The semiconductor and electronics industries extensively use vacuum pumps for manufacturing microchips, electronic components, and electronic devices. Vacuum pumps are crucial in processes such as physical vapor deposition (PVD), chemical vapor deposition (CVD), etching, ion implantation, and sputtering. These processes require controlled vacuum conditions to ensure precise deposition, surface modification, and contamination-free manufacturing.

4. Research and Development: Vacuum pump technology is integral to research and development activities across scientific disciplines. It supports experiments and investigations in fields such as physics, chemistry, materials science, biology, and environmental science. Vacuum pumps facilitate processes like freeze drying, vacuum distillation, vacuum evaporation, vacuum spectroscopy, and creating controlled atmospheric conditions for studying various phenomena.

5. Food and Beverage: The food and beverage industry relies on vacuum pumps for packaging and preservation purposes. Vacuum sealing is used to extend the shelf life of food products by removing air and creating a vacuum-sealed environment that inhibits spoilage and maintains freshness. Vacuum pumps are also used in processes like freeze drying, vacuum concentration, and vacuum cooling.

6. Oil and Gas: In the oil and gas industry, vacuum pumps play a role in various applications. They are used for crude oil vacuum distillation, vacuum drying, vapor recovery, gas compression, and gas stripping processes. Vacuum pumps help maintain optimal conditions during oil refining, gas processing, and petrochemical manufacturing.

7. Environmental and Waste Management: Vacuum pumps are employed in environmental and waste management applications. They are used for tasks such as soil vapor extraction, groundwater remediation, landfill gas recovery, and wastewater treatment. Vacuum pumps facilitate the removal and containment of gases, vapors, and pollutants, contributing to environmental protection and sustainable waste management.

8. Medical and Healthcare: The medical and healthcare sectors utilize vacuum pumps for various purposes. They are used in medical equipment such as vacuum-assisted wound therapy devices, vacuum-based laboratory analyzers, and vacuum suction systems in hospitals and clinics. Vacuum pumps are also used in medical research, pharmaceutical production, and medical device manufacturing.

9. Power Generation: Vacuum pumps play a role in power generation industries, including nuclear power plants and thermal power plants. They are used for steam condensation, turbine blade cooling, vacuum drying during transformer manufacturing, and vacuum systems for testing and maintenance of power plant equipment.

10. HVAC and Refrigeration: The HVAC (Heating, Ventilation, and Air Conditioning) and refrigeration industries rely on vacuum pumps for system installation, maintenance, and repair. Vacuum pumps are used to evacuate air and moisture from refrigerant lines and HVAC systems, ensuring optimal system performance and efficiency.

These are just a few examples of industries that commonly rely on vacuum pump technology. The versatility and wide-ranging applications of vacuum pumps make them indispensable tools across numerous sectors, enabling precise control over vacuum conditions, efficient manufacturing processes, and scientific investigations.

China Professional 3.5cfm Vacuum Pump/Refrigerant Pump/Vp125/Single (Dual) Stage Vacuum Pump   vacuum pump connector	China Professional 3.5cfm Vacuum Pump/Refrigerant Pump/Vp125/Single (Dual) Stage Vacuum Pump   vacuum pump connector
editor by Dream 2024-04-17

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