Product Description
Product Description
EU45/EU65/EU105
Ultimate pressure:≤ 0.5 and ≤ 10 mbar
Pumping speed: 48÷126 m3/h
The EU 45, EU 65 and EU 105 are single-stage rotary vane lubricated pumps with oil recirculation.
The flanged electric motor is connected by an elastic coupling.
Cooling is ensured by a powerful centrifugal fan.
An integrated check valve prevents the oil from coming back and the return of air into the chamber to be pumped down during the stop phase.
The oil tank is provided with a system for separating the oil mists from the exhaust air; the separated oil is automatically recovered from the pump.
The gas ballast prevents condensation inside the pump when small quantities of steam are sucked.
The EU 45, EU 65 and EU 105 pumps are suitable for the evacuation of closed systems or to operate at a constant vacuum included in the following range:
EU 45 – EU 65 – EU 105 from 0,5 to 300 mbar (absolute)
EU 45 B – EU 65 B – EU 105 B from 10 to 850 mbar (absolute)
ACCESSORIES
The following accessories are useful for the installation and for the control of the pump operation parameters:
-
External suction filter
-
Vacuum gauges / vacuostats
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Pressure gauges / pressure switches
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Thermostat
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Minimum oil level switch
Main specifications
EU45 |
EU65 |
EU105 |
||||
Pumping speed |
m³/h |
50Hz |
48 |
69 |
105 |
|
60Hz |
58 |
83 |
126 |
|||
Ultimate pressure with gas ballast (abs.) |
mbar |
≤ 0,5 (≤ 10 /B) |
≤ 0,5 (≤ 10 /B) |
≤ 0,5 (≤ 10 /B) |
||
Motor power |
kW |
50Hz |
1,1 |
1,5 |
2,2 |
|
60Hz |
1,5 |
2,2 |
3 |
|||
Motor speed |
rpm |
50Hz |
1500 |
1500 |
1500 |
|
60Hz |
1800 |
1800 |
1800 |
|||
Water vapour tolerance |
mbar |
30 |
30 |
30 |
||
Water vapour pumping capacity |
kg/h |
1 |
1,4 |
2,2 |
||
Lubricant charge |
l |
2 |
2 |
3 |
||
Sound pressure level |
dB(A) |
50Hz |
68 |
69 |
67 |
|
60Hz |
69 |
70 |
69 |
|||
Dimensions |
LxBxH |
mm |
50Hz |
556x340x284 |
601x340x284 |
735x405x334 |
60Hz |
581x340x284 |
641x340x284 |
735x405x334 |
|||
Weight |
kg |
50Hz |
52 |
60 |
82 |
|
60Hz |
54 |
65 |
86 |
|||
Connections* |
Inlet |
1″ ¼ Gas |
1″ ¼ Gas |
1″ ¼ Gas |
||
Outlet |
1″ ¼ Gas |
1″ ¼ Gas |
1″ ¼ Gas |
* Other types of connection available CHINAMFG request
After-sales Service: | 12 Months From Date of Start-up or 15 Months From |
---|---|
Warranty: | 12 Months From Date of Start-up or 15 Months From |
Oil or Not: | Oil |
Structure: | Rotary Vacuum Pump |
Exhauster Method: | Entrapment Vacuum Pump |
Vacuum Degree: | Vacuum |
Customization: |
Available
|
|
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Can Vacuum Pumps Be Used for Vacuum Packaging?
Yes, vacuum pumps can be used for vacuum packaging. Here’s a detailed explanation:
Vacuum packaging is a method used to remove air from a package or container, creating a vacuum environment. This process helps to extend the shelf life of perishable products, prevent spoilage, and maintain product freshness. Vacuum pumps play a crucial role in achieving the desired vacuum level for effective packaging.
When it comes to vacuum packaging, there are primarily two types of vacuum pumps commonly used:
1. Single-Stage Vacuum Pumps: Single-stage vacuum pumps are commonly used for vacuum packaging applications. These pumps use a single rotating vane or piston to create a vacuum. They can achieve moderate vacuum levels suitable for most packaging requirements. Single-stage pumps are relatively simple in design, compact, and cost-effective.
2. Rotary Vane Vacuum Pumps: Rotary vane vacuum pumps are another popular choice for vacuum packaging. These pumps utilize multiple vanes mounted on a rotor to create a vacuum. They offer higher vacuum levels compared to single-stage pumps, making them suitable for applications that require deeper levels of vacuum. Rotary vane pumps are known for their reliability, consistent performance, and durability.
When using vacuum pumps for vacuum packaging, the following steps are typically involved:
1. Preparation: Ensure that the packaging material, such as vacuum bags or containers, is suitable for vacuum packaging and can withstand the vacuum pressure without leakage. Place the product to be packaged inside the appropriate packaging material.
2. Sealing: Properly seal the packaging material, either by heat sealing or using specialized vacuum sealing equipment. This ensures an airtight enclosure for the product.
3. Vacuum Pump Operation: Connect the vacuum pump to the packaging equipment or directly to the packaging material. Start the vacuum pump to initiate the vacuuming process. The pump will remove the air from the packaging, creating a vacuum environment.
4. Vacuum Level Control: Monitor the vacuum level during the packaging process using pressure gauges or vacuum sensors. Depending on the specific packaging requirements, adjust the vacuum level accordingly. The goal is to achieve the desired vacuum level suitable for the product being packaged.
5. Sealing and Closure: Once the desired vacuum level is reached, seal the packaging material completely to maintain the vacuum environment. This can be done by heat sealing the packaging material or using specialized sealing mechanisms designed for vacuum packaging.
6. Product Labeling and Storage: After sealing, label the packaged product as necessary and store it appropriately, considering factors such as temperature, humidity, and light exposure, to maximize product shelf life.
It’s important to note that the specific vacuum level required for vacuum packaging may vary depending on the product being packaged. Some products may require a partial vacuum, while others may require a more stringent vacuum level. The choice of vacuum pump and the control mechanisms employed will depend on the specific vacuum packaging requirements.
Vacuum pumps are widely used in various industries for vacuum packaging applications, including food and beverage, pharmaceuticals, electronics, and more. They provide an efficient and reliable means of creating a vacuum environment, helping to preserve product quality and extend shelf life.
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.
What Is the Purpose of a Vacuum Pump in an HVAC System?
In an HVAC (Heating, Ventilation, and Air Conditioning) system, a vacuum pump serves a crucial purpose. Here’s a detailed explanation:
The purpose of a vacuum pump in an HVAC system is to remove air and moisture from the refrigerant lines and the system itself. HVAC systems, particularly those that rely on refrigeration, operate under specific pressure and temperature conditions to facilitate the transfer of heat. To ensure optimal performance and efficiency, it is essential to evacuate any non-condensable gases, air, and moisture from the system.
Here are the key reasons why a vacuum pump is used in an HVAC system:
1. Removing Moisture: Moisture can be present within an HVAC system due to various factors, such as system installation, leaks, or improper maintenance. When moisture combines with the refrigerant, it can cause issues like ice formation, reduced system efficiency, and potential damage to system components. A vacuum pump helps remove moisture by creating a low-pressure environment, which causes the moisture to boil and turn into vapor, effectively evacuating it from the system.
2. Eliminating Air and Non-Condensable Gases: Air and non-condensable gases, such as nitrogen or oxygen, can enter an HVAC system during installation, repair, or through leaks. These gases can hinder the refrigeration process, affect heat transfer, and decrease system performance. By using a vacuum pump, technicians can evacuate the air and non-condensable gases, ensuring that the system operates with the designed refrigerant and pressure levels.
3. Preparing for Refrigerant Charging: Prior to charging the HVAC system with refrigerant, it is crucial to create a vacuum to remove any contaminants and ensure the system is clean and ready for optimal refrigerant circulation. By evacuating the system with a vacuum pump, technicians ensure that the refrigerant enters a clean and controlled environment, reducing the risk of system malfunctions and improving overall efficiency.
4. Leak Detection: Vacuum pumps are also used in HVAC systems for leak detection purposes. After evacuating the system, technicians can monitor the pressure to check if it holds steady. A significant drop in pressure indicates the presence of leaks, enabling technicians to identify and repair them before charging the system with refrigerant.
In summary, a vacuum pump plays a vital role in an HVAC system by removing moisture, eliminating air and non-condensable gases, preparing the system for refrigerant charging, and aiding in leak detection. These functions help ensure optimal system performance, energy efficiency, and longevity, while also reducing the risk of system malfunctions and damage.
editor by CX 2023-10-31