Product Description

Product Parameters

Model 2xz-0.5 2xz-1 2xz-2 2xz-4
Pumping Speed L/S(m³/h) 0.5(1.8) 1(3.6) 2(7.2) 4(14.4)
Extreme Pressure(Pa) Partial Pressure ≤6×10-2 ≤6×10-2 ≤6×10-2 ≤6×10-2
Full Pressure ≤1.33 ≤1.33 ≤1.33 ≤1.33
Rotating Speed r/min(50/60Hz) 1400/1700 1400/1700 1400/1700 1400
Voltage(v) 220 220/380 220/380 220/380
Motor Power(kw) 0.18 0.25 0.37 0.55
Inlet Diameter (Outer Diameter)mm G3/8(∅12) G3/8(∅12) G3/4(∅12) G3/4(∅12)
KF-16 KF-16 KF-25 KF-25
Noise(dBA) 62 62 63 64
Oil volume (L) 0.6 0.7 1 1.1
Size(mm) 538*215*360 538*215*360 580*215*367 580*215*367
Gross/Net Weight(kg) 17/16 18/17 22/20 25/22

Model 2xz-2B 2xz-4B 2xz-6B 2xz-8B 2xz-15B 2xz-25B
Pumping Speed L/S(m³/h) 2(7.2) 4(14.4) 6(21.6) 8(28.8) 15(54) 25(90)
Extreme Pressure(Pa) Partial Pressure ≤4×10-2 ≤4×10-2 ≤4×10-2 ≤4×10-2 ≤4×10-2 ≤4×10-2
Full Pressure ≤1 ≤1 ≤1 ≤1 ≤1 ≤1
Rotating Speed r/min(50/60Hz) 1400/1700 1400/1700 1400/1700 1400/1700 1400/1700 1400/1700
Voltage(v) 220/380 220/380 220/380 380 380 380
Motor Power(kw) 0.37 0.55 0.75 1.5 1.5 2.2
Inlet Diameter (Outer Diameter)mm G3/4 G3/4 ∅30 ∅40 ∅40 ∅50
KF-25 KF-25 KF-25 KF-40 KF-40 KF-50
Noise(dBA) 65 66 68 70 72 74
Oil volume (L) 0.8 0.95 1-1.2 2.3-2.5 2.8-3.3 5.5-6.5
Size(mm) 580*215*367 580*215*367 670*240*320 720*270*390 770*270*390 900*320*550
Gross/Net Weight(kg) 22/20 25/22 46/40 68/52 75/62 90/70

Product Description

Rotary Vane Vacuum Pump is the basic equipment used to remove gas from sealed containers.  It can be used alone, also can be used for booster pump, diffusion pump, molecular pump before the pump, maintenance pump, titanium pump pre-pumping pump,  It can be used for vacuum drying, CHINAMFG drying, vacuum degassing, vacuum packaging, vacuum adsorption, vacuum forming, coating, food packaging, printing, sputtering, vacuum casting, instruments, instruments, refrigerators, air conditioning lines and laboratories and other vacuum operations and supporting use.

· Due to the thorough low noise design and precision machining, so as to achieve low noise
· Specially designed gas valve is prepared to prevent the pump oil from mixing with water and prolong the service time of the pump oil
· Adopt similar product design, small size, light weight, low noise, easy to start
· Equipped with vacuum drying oven, freeze-drying machine, printing machinery
· It can be equipped with small-caliber adapter, KF interface and flange interface

Application
· Rotary Vane Vacuum Pump corollary use with freezer dryer to reach vacuum state, it’s an essential corollary equipment in medicine CHINAMFG drying, biology, food industry and agricultural products deep processing
· Rotary Vane Vacuum Pump corollary use with vacuum drying oven for maintaining vacuum state inside the oven, they mainly applies in powder drying and baking in vacuum condition

Company Profile

Packaging & Shipping

FAQ

Q1. What is your products range?
• Industry water chiller, recirculating cooling chiller, rotary evaporator, alcohol recovery equipment, short path distillation kit, glass molecular distillation equipment, falling film evaporator, jacketed glass reactor and other lab equipment.

Q2. Are you trading company or manufacturer?
• We are professional manufacture of lab equipment and we have our own factory.

Q3. Do you provide samples? Is it free?

• Yes, we could offer the sample. Considering the high value of our products, the sample is not free, but we will give you our best price including shipping cost.

Q4. Do you have warranty?
• Yes, we offer 1 year warranty for the spare part.

Q5. How long is your delivery time?
• Generally it is within 7 working days after receiving the payment if the goods are in stock. Or it is 15 working days if thegoods are not in stock, depending on order quantity.

Q6. What is your terms of payment?
• Payment≤15,000USD, 100% in advance. Payment≥15,000USD, 70% T/T in advance, balance before shipment.
(If you are concerned about payment security for the first order, we advise you can place Trade Assurance Order via Alibaba. you will get 100% payment refund if we can’t meet agreed delivery time.)

After-sales Service: Online Service Support
Warranty: 1 Year
Oil or Not: Oil
Customization:
Available

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

rotary vane pump

What Is the Role of Lubrication in Rotary Vane Pump Operation?

Lubrication plays a critical role in the operation of a rotary vane pump, ensuring its smooth and efficient performance. Here’s a detailed explanation of the role of lubrication in rotary vane pump operation:

– Friction Reduction: The primary function of lubrication is to reduce friction between moving parts within the pump. In a rotary vane pump, the vanes slide in and out of the rotor slots as the rotor rotates. Lubrication forms a thin film between the vanes and the rotor, reducing the friction and allowing smooth movement. This friction reduction minimizes wear and tear on the vanes and rotor, contributing to the longevity of the pump.

– Seal Enhancement: Lubrication also helps in creating a tight seal between the vanes and the pump housing. The lubricant fills any gaps or imperfections, ensuring proper sealing and preventing gas or fluid leakage. This is particularly important for achieving and maintaining the desired vacuum levels in the pump. Effective sealing enhances the pump’s efficiency and performance.

– Heat Dissipation: During operation, a rotary vane pump generates heat due to the friction and compression of gases or fluids. Lubrication helps in dissipating this heat by absorbing and carrying it away from the critical components of the pump. It prevents excessive heat buildup that can lead to component damage or reduced performance. Proper lubrication ensures that the pump operates within the desired temperature range.

– Wear Protection: The lubricant forms a protective layer on the surfaces of the vanes, rotor, and other moving parts. This layer acts as a barrier, minimizing direct metal-to-metal contact and reducing wear and tear. It helps prevent damage to the vanes and rotor caused by friction and ensures the longevity of these components. Lubrication also protects against corrosion and helps maintain the overall integrity of the pump.

– Noise Reduction: Lubrication contributes to noise reduction in a rotary vane pump. The smooth movement facilitated by the lubricant minimizes vibrations and eliminates or reduces unwanted noise generated during operation. This is particularly important in applications where low noise levels are desired, such as laboratory or medical settings.

– Performance Optimization: Proper lubrication is crucial for maintaining the pump’s performance and efficiency. It ensures that the pump operates with minimal resistance and energy loss, allowing it to achieve the desired vacuum levels or fluid flow rates effectively. Lubrication helps optimize the pump’s overall performance and contributes to its reliability and effectiveness in various applications.

It’s important to note that using the correct type of lubricant specified by the pump manufacturer is essential. Different rotary vane pumps may have specific lubrication requirements, including the type of lubricant and recommended lubrication intervals. Adhering to these guidelines ensures that the lubrication effectively fulfills its role and maintains the pump’s optimal operation.

rotary vane pump

How Does a Rotary Vane Pump Work?

A rotary vane pump is a type of positive displacement pump commonly used for creating vacuum or low-pressure environments. Here’s a detailed explanation of how a rotary vane pump works:

– Basic Principle: A rotary vane pump operates based on the principle of positive displacement. It uses a rotating mechanism with sliding vanes to create a continuous pumping action.

– Construction: A typical rotary vane pump consists of several key components:

– Rotor: The rotor is the central rotating element of the pump. It is typically offset from the center of the pump chamber and is connected to a drive mechanism, such as an electric motor.

– Vanes: The vanes are sliding elements that are inserted into radial slots in the rotor. They can be made of various materials, such as carbon, graphite, or synthetic materials, and are in constant contact with the pump chamber walls.

– Stator: The stator is the stationary part of the pump. It forms the pump chamber and is typically cylindrical in shape with an eccentric bore that accommodates the rotor.

– Inlet and Outlet Ports: The pump has separate inlet and outlet ports. The inlet allows the entry of gas or fluid into the pump, while the outlet facilitates the discharge of the pumped medium.

– Operation:

1. Starting Position: Initially, the rotor is positioned eccentrically within the stator, creating spaces, or cells, between the rotor vanes and the stator walls.

2. Intake Stroke: As the rotor rotates, one vane enters the intake port. This creates an expanding cell, leading to a decrease in pressure within the cell. This pressure drop causes gas or fluid to enter the pump through the inlet port and fill the expanding cell.

3. Compression Stroke: As the rotor continues to rotate, the vane moves along the stator wall, reducing the size of the cell. This compression action compresses the gas or fluid within the cell, increasing its pressure.

4. Discharge Stroke: The compressed gas or fluid is then pushed towards the outlet port as the vane moves further along the stator wall. This leads to the expulsion of the medium from the pump through the outlet port.

5. Repeat Process: The above steps are repeated continuously as the rotor continues to rotate, creating a continuous pumping action.

– Sealing and Lubrication: To ensure efficient operation and prevent leakage, rotary vane pumps require proper sealing and lubrication. The vanes slide against the stator walls, forming a seal to minimize backflow and leakage. Often, a small amount of oil or lubricant is introduced into the pump chamber to provide lubrication and maintain the seal between the vanes and the stator walls.

– Applications: Rotary vane pumps are commonly used in a variety of applications, including HVAC systems, vacuum packaging, laboratory equipment, automotive industry, and industrial processes that require vacuum or low-pressure conditions.

– It’s important to note that the performance of a rotary vane pump can be influenced by factors such as the speed of rotation, the number and dimensions of vanes, the quality of sealing, and the type of lubrication used.

In summary, a rotary vane pump operates based on the principle of positive displacement. It utilizes a rotating rotor with sliding vanes inside a stationary stator to create a continuous pumping action. The pump’s design allows for the intake, compression, and discharge of gas or fluid, making it suitable for various applications requiring vacuum or low-pressure environments.

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editor by CX 2023-10-31