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China Hot selling CHINAMFG Lab Diaphragm Vacuum Pump vacuum pump belt

Descripción del producto

Descripción del producto

Anti-corrosive lab diaphragm vacuum pump

“Nanbei” GM-0.33A diaphragm vacuum pump has features of more advanced design, higher efficiency, longer operating life. It is an all new product engaging in the new and high technology. It is mainly used in medicinal products analysis, tenuously chemical engineering, biochemical pharmacy, food examination, investigating and solving criminal case, etc. It is an ideal product used with the high-accuracy chromatogram apparatus, HPLC solvent filter apparatus, and it is the essential equipment in the laboratory.
The body of “Nanbei” NB-0.33II diaphragm vacuum pump is made of aluminum alloy through die casting. It is antiseptic, sprayed, agile and beautiful. It has the features of higher antisepsis, wider working range. It can meet requirements of all kinds of working environments.

Detailed Photos

Parámetros del producto

 

Modelo NB-0.20 NB-0.33A NB-0.33B NB-0.50A NB-0.50B NB-1.0
Speed of Evacuation (L/Min) 15 20 20 30 30 60
Pump Head Nylon 1 2 1 2 2
Ultimate Pressure
Vacuum
≥0.075Mpa
250mbar
≥0.08Mpa
200mbar
≥0.095Mpa
50mbar
 
≥0.08Mpa
200mbar
30 Psi
≥0.095Mpa
50mbar
≥0.08Mpa
200mbar
40 Psi
Tensión 220V/50HZ 220V/50HZ 220V/50HZ 220V/50HZ 220V/50HZ 220V/50HZ
DImensions(mm) 195×98×156 215×120×235 300×120×235 210×160×235 300×120×235 300×160×235
Temp of the body(ºC) <55 <55 <55 <55 <55 <55
Motor Power(w) 75 160 160 160 160 160
Weight(kg) 4 7.5 10 8 10 10
Inlet  (mm)
Outlet (mm)
φ6
φ6
φ6
Silencer
φ6
Silencer
φ6
φ6
φ6
Silencer
φ6
Φ6
Diaphragm
Valves
  NBR
NBR
NBR
NBR
NBR
NBR
NBR
NBR
NBR
NBR
Working Temp(ºC) 7-40 7-40 7-40 7-40 7-40 7-40
Noise Level(dB) <50 <50 <50 <50 <50 <50

 

Certifications

Embalaje y envío

Perfil de la empresa

PREGUNTAS FRECUENTES

PREGUNTAS FRECUENTES     

1. How can I choose the suitable one?
Dear customer, please tell us your detailed requirements by mail or online, we will recommend the suitable 1 as your request.
2. Does your price is competitive?
Dear customer, we make sure to offer you the best quality with competitive price.
3. How can I pay?
Dear customer, we accept many payment term, such as T/T, Western Union…
4. When I receive it after pay?
Dear customer, normal models can be delivered with 5-7days, please contact us to check transport time to your address.
5. How to deliver?
Dear customer, we can send by Express, by Sea and by Air.
6. Is will be broken during transport?
Dear customer, please do not worry, we do standard export package.
7. What should I do if I do not know how to use?
Dear customer, please do not worry, manual user will be sent together, you can also contact us with more technological support.
8. What should I do if some parts broken?
Dear customer, please do not worry, we have 12months warranty except  wear parts. You can also buy parts from us after 12months.
 

Pre-sale service

· 24hours online to ensure quick response to customers’ inquiry or online message;

· Xihu (West Lake) Dis. customers to choose the best suitable machine model;

· Offer detailed specification and competitive prices;

Contract execution

· Machine production will be arranged strictly according to the contract;

· Machine photos will be sent to you for inspection during production;

· Send customs clearance documents by DHL;

· Update latest news after delivery and prepare customs clearance;

After-sale service

· 12 months warranty except for wear parts;

· Broken spare parts (except for wear parts) will be sent for free due to quality problems;

· In time response to customers technical problems;

· New products update for customers’ reference

 

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Servicio postventa: Long-Term
Garantía: 12 Months
Application: Hospital, Lab
Customized: Customized
Certificación: CE
Structure: Desktop
Muestras:
US$ 258/Set
1 Set(Min.Order)

|

Personalización:
Disponible

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bomba de vacío

What Are the Advantages of Using Oil-Sealed Vacuum Pumps?

Oil-sealed vacuum pumps offer several advantages in various applications. Here’s a detailed explanation:

1. High Vacuum Performance: Oil-sealed vacuum pumps are known for their ability to achieve high levels of vacuum. They can create and maintain deep vacuum levels, making them suitable for applications that require a low-pressure environment. The use of oil as a sealing and lubricating medium helps in achieving efficient vacuum performance.

2. Wide Operating Range: Oil-sealed vacuum pumps have a wide operating range, allowing them to handle a broad spectrum of vacuum levels. They can operate effectively in both low-pressure and high-vacuum conditions, making them versatile for different applications across various industries.

3. Efficient and Reliable Operation: These pumps are known for their reliability and consistent performance. The oil-sealed design provides effective sealing, preventing air leakage and maintaining a stable vacuum level. They are designed to operate continuously for extended periods without significant performance degradation, making them suitable for continuous industrial processes.

4. Contamination Handling: Oil-sealed vacuum pumps are effective in handling certain types of contaminants that may be present in the process gases or air being evacuated. The oil acts as a barrier, trapping and absorbing certain particulates, moisture, and chemical vapors, preventing them from reaching the pump mechanism. This helps protect the pump internals from potential damage and contributes to the longevity of the pump.

5. Thermal Stability: The presence of oil in these pumps helps in dissipating heat generated during operation, contributing to their thermal stability. The oil absorbs and carries away heat, preventing excessive temperature rise within the pump. This thermal stability allows for consistent performance even during prolonged operation and helps protect the pump from overheating.

6. Noise Reduction: Oil-sealed vacuum pumps generally operate at lower noise levels compared to other types of vacuum pumps. The oil acts as a noise-damping medium, reducing the noise generated by the moving parts and the interaction of gases within the pump. This makes them suitable for applications where noise reduction is desired, such as laboratory environments or noise-sensitive industrial settings.

7. Versatility: Oil-sealed vacuum pumps are versatile and can handle a wide range of gases and vapors. They can effectively handle both condensable and non-condensable gases, making them suitable for diverse applications in industries such as chemical processing, pharmaceuticals, food processing, and research laboratories.

8. Cost-Effective: Oil-sealed vacuum pumps are often considered cost-effective options for many applications. They generally have a lower initial cost compared to some other types of high-vacuum pumps. Additionally, the maintenance and operating costs are relatively lower, making them an economical choice for industries that require reliable vacuum performance.

9. Simplicity and Ease of Maintenance: Oil-sealed vacuum pumps are relatively simple in design and easy to maintain. Routine maintenance typically involves monitoring oil levels, changing the oil periodically, and inspecting and replacing worn-out parts as necessary. The simplicity of maintenance procedures contributes to the overall cost-effectiveness and ease of operation.

10. Compatibility with Other Equipment: Oil-sealed vacuum pumps are compatible with various process equipment and systems. They can be easily integrated into existing setups or used in conjunction with other vacuum-related equipment, such as vacuum chambers, distillation systems, or industrial process equipment.

These advantages make oil-sealed vacuum pumps a popular choice in many industries where reliable, high-performance vacuum systems are required. However, it’s important to consider specific application requirements and consult with experts to determine the most suitable type of vacuum pump for a particular use case.

bomba de vacío

How Do Vacuum Pumps Assist in Freeze-Drying Processes?

Freeze-drying, also known as lyophilization, is a dehydration technique used in various industries, including pharmaceutical manufacturing. Vacuum pumps play a crucial role in facilitating freeze-drying processes. Here’s a detailed explanation:

During freeze-drying, vacuum pumps assist in the removal of water or solvents from pharmaceutical products while preserving their structure and integrity. The freeze-drying process involves three main stages: freezing, primary drying (sublimation), and secondary drying (desorption).

1. Freezing: In the first stage, the pharmaceutical product is frozen to a solid state. Freezing is typically achieved by lowering the temperature of the product below its freezing point. The frozen product is then placed in a vacuum chamber.

2. Primary Drying (Sublimation): Once the product is frozen, the vacuum pump creates a low-pressure environment within the chamber. By reducing the pressure, the boiling point of water or solvents present in the frozen product is lowered, allowing them to transition directly from the solid phase to the vapor phase through a process called sublimation. Sublimation bypasses the liquid phase, preventing potential damage to the product’s structure.

The vacuum pump maintains a low-pressure environment by continuously removing the water vapor or solvent vapor generated during sublimation. The vapor is drawn out of the chamber, leaving behind the freeze-dried product. This process preserves the product’s original form, texture, and biological activity.

3. Secondary Drying (Desorption): After the majority of the water or solvents have been removed through sublimation, the freeze-dried product may still contain residual moisture or solvents. In the secondary drying stage, the vacuum pump continues to apply vacuum to the chamber, but at a higher temperature. The purpose of this stage is to remove the remaining moisture or solvents through evaporation.

The vacuum pump maintains the low-pressure environment, allowing the residual moisture or solvents to evaporate at a lower temperature than under atmospheric pressure. This prevents potential thermal degradation of the product. Secondary drying further enhances the stability and shelf life of the freeze-dried pharmaceutical product.

By creating and maintaining a low-pressure environment, vacuum pumps enable efficient and controlled sublimation and desorption during the freeze-drying process. They facilitate the removal of water or solvents while minimizing the potential damage to the product’s structure and preserving its quality. Vacuum pumps also contribute to the overall speed and efficiency of the freeze-drying process by continuously removing the vapor generated during sublimation and evaporation. The precise control provided by vacuum pumps ensures the production of stable and high-quality freeze-dried pharmaceutical products.

bomba de vacío

How Are Vacuum Pumps Different from Air Compressors?

Vacuum pumps and air compressors are both mechanical devices used to manipulate air and gas, but they serve opposite purposes. Here’s a detailed explanation of their differences:

1. Function:

– Vacuum Pumps: Vacuum pumps are designed to remove or reduce the pressure within a closed system, creating a vacuum or low-pressure environment. They extract air or gas from a chamber, creating suction or negative pressure.

– Air Compressors: Air compressors, on the other hand, are used to increase the pressure of air or gas. They take in ambient air or gas and compress it, resulting in higher pressure and a compacted volume of air or gas.

2. Pressure Range:

– Vacuum Pumps: Vacuum pumps are capable of generating pressures below atmospheric pressure or absolute zero pressure. The pressure range typically extends into the negative range, expressed in units such as torr or pascal.

– Air Compressors: Air compressors, on the contrary, operate in the positive pressure range. They increase the pressure above atmospheric pressure, typically measured in units like pounds per square inch (psi) or bar.

3. Applications:

– Vacuum Pumps: Vacuum pumps have various applications where the creation of a vacuum or low-pressure environment is required. They are used in processes such as vacuum distillation, vacuum drying, vacuum packaging, and vacuum filtration. They are also essential in scientific research, semiconductor manufacturing, medical suction devices, and many other industries.

– Air Compressors: Air compressors find applications where compressed air or gas at high pressure is needed. They are used in pneumatic tools, manufacturing processes, air conditioning systems, power generation, and inflating tires. Compressed air is versatile and can be employed in numerous industrial and commercial applications.

4. Design and Mechanism:

– Vacuum Pumps: Vacuum pumps are designed to create a vacuum by removing air or gas from a closed system. They may use mechanisms such as positive displacement, entrapment, or momentum transfer to achieve the desired vacuum level. Examples of vacuum pump types include rotary vane pumps, diaphragm pumps, and diffusion pumps.

– Air Compressors: Air compressors are engineered to compress air or gas, increasing its pressure and decreasing its volume. They use mechanisms like reciprocating pistons, rotary screws, or centrifugal force to compress the air or gas. Common types of air compressors include reciprocating compressors, rotary screw compressors, and centrifugal compressors.

5. Direction of Air/Gas Flow:

– Vacuum Pumps: Vacuum pumps draw air or gas into the pump and then expel it from the system, creating a vacuum within the chamber or system being evacuated.

– Air Compressors: Air compressors take in ambient air or gas and compress it, increasing its pressure and storing it in a tank or delivering it directly to the desired application.

While vacuum pumps and air compressors have different functions and operate under distinct pressure ranges, they are both vital in various industries and applications. Vacuum pumps create and maintain a vacuum or low-pressure environment, while air compressors compress air or gas to higher pressures for different uses and processes.

China Hot selling CHINAMFG Lab Diaphragm Vacuum Pump   vacuum pump belt	China Hot selling CHINAMFG Lab Diaphragm Vacuum Pump   vacuum pump belt
editor by CX 2024-02-12

Correo: Sales@china-vacuum-pumps.com

Producción profesional Bombas de vacío Roots, Bomba rotativa de paletas, Bomba rotativa de pistones, Bomba de vacío de anillo líquido, Compresor de aire exento de aceite, Compresor de tornillo, Compresor scroll Fabricante y proveedor.

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