Product Description
Product Description
EU45/EU65/EU105
Ultimate pressure:≤ 0.5 and ≤ 10 mbar
Pumping speed: 48÷126 m3/h
Â
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)
Â
Â
ACCESSORIES
The following accessories are useful for the installation and for the control of the pump operation parameters:
-
  External suction filter
-
  Vacuum gauges / vacuostats
-
  Pressure gauges / pressure switches
-
  Thermostat
-
  Minimum oil level switch
Main specifications
Â
| Â | Â | Â |
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
Â
| 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
|
|
|---|
What Is the Energy Efficiency of Rotary Vane Pumps?
The energy efficiency of rotary vane pumps can vary depending on several factors, including the design of the pump, operating conditions, and specific application requirements. Here’s a detailed explanation of the energy efficiency considerations for rotary vane pumps:
– Design Efficiency: The design of the rotary vane pump can significantly impact its energy efficiency. Modern rotary vane pumps are designed with efficiency in mind, incorporating features such as optimized rotor profiles, improved sealing mechanisms, and reduced internal leakage. These design enhancements aim to minimize energy losses and maximize the pump’s overall efficiency.
– Motor Efficiency: The motor driving the rotary vane pump plays a crucial role in its energy efficiency. High-efficiency motors, such as those meeting premium efficiency standards (e.g., NEMA Premium Efficiency or IE3), can contribute to the overall energy efficiency of the pump system. Using motors with appropriate power ratings and matching the motor size to the pump’s requirements can help optimize energy consumption.
– Operating Point: The operating point at which the rotary vane pump operates can impact its energy efficiency. Pumps often have an optimum operating range where they achieve the highest efficiency. Operating the pump within this range can help minimize unnecessary energy consumption. It’s important to consider the system requirements and select a pump that can operate efficiently under the expected operating conditions.
– Control and Automation: Implementing effective control and automation strategies can enhance the energy efficiency of rotary vane pump systems. Variable frequency drives (VFDs) or speed control mechanisms can adjust the pump’s speed or output to match the required flow rate, reducing energy wastage. Additionally, incorporating sensors and control algorithms that optimize pump operation based on demand can further improve energy efficiency.
– System Design and Integration: The overall system design and integration can influence the energy efficiency of rotary vane pumps. Proper sizing of the pump based on the system requirements, minimizing pressure losses in the piping network, and optimizing the layout of the system components can all contribute to improved energy efficiency. Considering the system as a whole and implementing energy-saving practices can result in significant energy savings.
– Maintenance and Performance Monitoring: Regular maintenance and performance monitoring are essential for maintaining the energy efficiency of rotary vane pumps. Ensuring proper lubrication, monitoring for leaks or wear, and addressing any performance issues promptly can prevent energy losses due to degraded pump performance. Periodic performance assessments and efficiency measurements can help identify opportunities for optimization and energy-saving initiatives.
It’s important to note that the energy efficiency of rotary vane pumps can vary among different pump models and manufacturers. When selecting a rotary vane pump, it is advisable to review the manufacturer’s specifications, efficiency data, and performance curves to evaluate the pump’s energy efficiency characteristics.
Overall, by considering design efficiency, motor efficiency, operating point, control strategies, system design, and maintenance practices, it is possible to enhance the energy efficiency of rotary vane pumps and reduce energy consumption in various applications.
Can Rotary Vane Pumps Create a Deep Vacuum?
Rotary vane pumps are capable of creating a vacuum, but the depth of the vacuum they can achieve is limited compared to other types of vacuum pumps. Here’s a detailed explanation:
Rotary vane pumps utilize a positive displacement mechanism to create a vacuum. As the rotor rotates, the vanes slide in and out of the rotor slots, creating expanding and contracting chambers. This action allows the pump to draw in gas or fluid from the inlet port and then expel it through the outlet port.
While rotary vane pumps can achieve relatively high vacuum levels, they are not typically designed to create extremely deep vacuums. The ultimate vacuum level that a rotary vane pump can achieve depends on several factors, including the specific pump design, the quality of the sealing surfaces, the lubrication system, and the operating conditions.
In general, rotary vane pumps can achieve vacuum levels in the range of a few millibars (thousandths of atmospheric pressure) or slightly lower. However, they may struggle to reach the ultra-high vacuum levels required in certain applications, such as semiconductor manufacturing or scientific research.
For applications that demand deeper vacuums, other types of pumps, such as turbomolecular pumps or cryogenic pumps, are typically employed. These pumps are specifically designed to operate in the high-vacuum or ultra-high-vacuum range and can achieve significantly lower pressures than rotary vane pumps.
It’s important to consider the specific requirements of your application when selecting a vacuum pump. If you need to create a deep vacuum, you may need to explore alternative pump technologies that are better suited to achieve the desired vacuum level.
In summary, while rotary vane pumps can create a vacuum, their capability to achieve deep vacuums is limited compared to specialized high-vacuum pumps. The ultimate vacuum level achievable with a rotary vane pump depends on various factors, and if ultra-high vacuum levels are required, alternative pump technologies should be considered.
editor by CX 2023-10-28