China Standard 2RS-3 Refrigerating Use Vane Rotary Vacuum Pump vacuum pump and compressor

Product Description

2RS-3
Physical Property

Voltage 220V/50HZ Displacement     6.0CFM    
Voltage 110V/60HZ Displacement 7.0CFM
Ultimate Vacuum 3*10-1PA Motor Power 3/4HP
Fuel  Electric Oil Capacity 370ML
Dimension 260x135x275mm Usage Air Pump
Structure Double-stage Vacuum Pump Color Blue

N.W.(1 Set) 11.5Kg Package Size 45x21x33cm

Application
The application is wide, such as vacuum refrigeration, refrigerant recovery device, tea packaging, air conditioner, automobile reparation, medical research equipment, packaging and printing equipment, scientific research, semi-conductor and etc. 
Main Features

1) It can work in low temperature environment,even in cold winter. 

2) Unlike the traditional ones ,RS series are much lighter,which is easy to carry. 

3) RS series are attractive design in its outlook,looks more fashionable. 

 

HangZhou CHINAMFG Refrigeration Technology Co., Ltd. is a large modern chemical enterprise specializing in manufacturing, researching and exporting high purity fluoro-chemicals, fine chemicals, hydrocarbon chemicals, etc. Its headquarter locates in ZheJiang capital HangZhou city, and has 2 profound manufacturing bases, separately in HangZhou City of ZheJiang Province and HangZhou city of ZHangZhoug Province. Our company takes “Science and Technology, Environmental Protection, Internationalization” as development direction and “First-class Technology, First-class Quality, First-class Service, First-class Efficiency” as service tenet.
 

Main Products:
R22 , R134A , R410A , R407c , R507 , R404A , R600 Refrigerant Gas, Manifold Gauge ,vacuum pump, compressor, etc.   
 
Customer’s satisfactory is our forever pursue

 FAQ
Q: If there’s space for you to lower the price?
A: The price in that field is changeable, so, fell free to ask for latest price and I’ll provide you the lowest.
 
Q: Could I use my own LOGO or design on the goods?
A: Of course, Customized logo and design on mass production are available.
  
Q: Can I visit your factory?
A: Sure, you can come at any time. We can also pick you up at airport or at the station.
 
Q: What is the delivery time?
A: One week for sample, 15 to 20 days for mass production.
 
Q: How about the payment term?
A: TT, L/C at sight, Paypal, Western Union, etc. Normally 30% T/T in advance, 30% TT before shipment, the balance against the copy of B/L in 7 days.

Q: How much discount can you offer?
A: We will do our best to offer the competitive price, the discount usually depends on the quantity.
 
Q: The shipping fare costs too much ,can you make it cheaper for us?
A: We will try our best to negotiate with shipping company,we save every penny for our customers,if it is possible ,you can designate your own shipping agency.
 
Q: Can I trust you?
A: Absolutely YES. We are “made in china” verified supplier.
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Oil or Not: Oil Free
Structure: Rotary Vacuum Pump
Working Conditions: Dry
Ultimate Vacuum: 3*10-1PA
Power: 3/4HP
Fuel: Electric
Samples:
US$ 88/Set
1 Set(Min.Order)

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Customization:
Available

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rotary vane pump

Can Rotary Vane Pumps Handle Corrosive Gases or Vapors?

Rotary vane pumps are generally not suitable for handling corrosive gases or vapors due to their construction and materials. Here’s a detailed explanation:

– Construction: Rotary vane pumps consist of a rotor with vanes that slide in and out of slots within the rotor. The pumping chamber is sealed by these vanes, creating the necessary vacuum or pressure. The internal components of rotary vane pumps are typically made of materials such as cast iron, steel, or aluminum. While these materials are suitable for many applications, they may not withstand the corrosive effects of certain gases or vapors.

– Corrosion Concerns: Corrosive gases or vapors can react with the internal components of the pump, leading to material degradation, erosion, or chemical reactions. This can result in the formation of deposits, pitting, or damage to the pump’s surfaces. Corrosion can compromise the pump’s performance, efficiency, and longevity. In some cases, it can also introduce contaminants into the pumped medium, affecting the quality of the process or downstream equipment.

– Material Compatibility: The compatibility of the pump’s internal materials with the corrosive gases or vapors is a critical consideration. Many corrosive gases or vapors require specialized materials such as stainless steel, Hastelloy, or other corrosion-resistant alloys to withstand their effects. Rotary vane pumps typically do not have internal components made from these materials, making them unsuitable for handling corrosive substances.

– Alternative Solutions: If corrosive gases or vapors need to be handled, alternative pump technologies specifically designed for such applications may be more appropriate. For example, chemical-resistant pumps made from materials compatible with the corrosive substances, such as diaphragm pumps, magnetic drive pumps, or certain types of centrifugal pumps, are commonly used. These pumps incorporate corrosion-resistant materials and specialized sealing mechanisms to ensure safe and reliable operation.

– Protective Measures: In some cases, it may be possible to use rotary vane pumps for applications involving mildly corrosive gases or vapors by implementing protective measures. This can include installing chemical traps or filters in the pump system to remove or neutralize corrosive substances before they reach the pump. However, the effectiveness and feasibility of such measures depend on the specific application and the level of corrosion resistance required.

It’s important to consult with pump manufacturers or industry experts to determine the most suitable pump technology for handling corrosive gases or vapors. They can provide guidance on selecting the appropriate pump materials and design to ensure safe and efficient operation in corrosive environments.

Overall, while rotary vane pumps offer many advantages in various applications, they are generally not recommended for handling corrosive gases or vapors due to the potential for material damage and performance degradation. Using pumps specifically designed for corrosive applications is crucial to maintain operational integrity and prevent costly failures.

rotary vane pump

What Are the Main Components of a Rotary Vane Pump?

A rotary vane pump consists of several key components that work together to create a pumping action. Here’s a detailed explanation of the main components:

– Rotor: The rotor is the central rotating element of the rotary vane pump. It is typically made of a durable material such as stainless steel or cast iron. The rotor is connected to a drive mechanism, such as an electric motor, which provides the rotational power.

– Vanes: The vanes are sliding elements that are inserted into radial slots in the rotor. They can be made of various materials, including carbon, graphite, or synthetic materials. The number of vanes in a rotary vane pump can vary, but typically there are multiple vanes evenly spaced around the rotor. The vanes are crucial for creating a seal against the stator walls and for generating the pumping action.

– Stator: The stator is the stationary part of the rotary vane pump. It forms the pump chamber and provides the housing for the rotor and vanes. The stator is typically cylindrical in shape with an eccentric bore that accommodates the rotor. It is commonly made of materials such as cast iron or stainless steel to ensure durability and resistance to wear.

– Inlet and Outlet Ports: The rotary vane pump has separate inlet and outlet ports. The inlet port allows the entry of gas or fluid into the pump, while the outlet port facilitates the discharge of the pumped medium. These ports are strategically positioned on the pump housing to enable the flow of the medium in and out of the pump.

– Seals: Seals are essential components of a rotary vane pump as they prevent leakage and maintain the integrity of the pumping system. The primary seal is formed between the vanes and the stator walls, ensuring that gas or fluid is contained within the pump chamber during the pumping process. Additional seals may be present at the inlet and outlet ports to prevent any leakage at these points.

– Lubrication System: Rotary vane pumps often require lubrication to minimize friction and wear between the rotating components. Lubrication is typically achieved by introducing a small amount of oil or lubricant into the pump chamber. The lubricant helps reduce friction between the vanes and the stator walls, ensuring smooth operation and extending the lifespan of the pump.

– Exhaust Valve: Some rotary vane pumps feature an exhaust valve, also known as an anti-suckback valve. This valve is located at the outlet port and prevents the reverse flow of gas or fluid back into the pump when it is not in operation. The exhaust valve helps maintain the integrity of the vacuum or pressure created by the pump.

– Drive Mechanism: The drive mechanism provides the rotational power to the rotor, enabling the pumping action. In most cases, an electric motor is used as the drive mechanism, although other power sources such as hydraulic or pneumatic systems can also be employed.

– Base or Mounting Plate: The base or mounting plate provides a stable platform for the rotary vane pump. It is typically made of sturdy materials such as cast iron or steel and is designed to support the weight of the pump and provide a secure attachment point for installation.

– Control and Monitoring Devices (Optional): Depending on the specific application, rotary vane pumps may be equipped with control and monitoring devices. These can include pressure sensors, flow meters, temperature sensors, and control panels that allow for the regulation and monitoring of pump performance.

– Safety Features (Optional): Some rotary vane pumps may include safety features such as overpressure relief valves or automatic shutdown mechanisms to prevent damage to the pump or the system in case of abnormal operating conditions.

In summary, the main components of a rotary vane pump include the rotor, vanes, stator, inlet and outlet ports, seals, lubrication system, exhaust valve, drive mechanism, base or mounting plate, as well as optional control and monitoring devices and safety features. These components work together to create a continuous pumping action and ensure the efficient operation of the rotary vane pump.

China Standard 2RS-3 Refrigerating Use Vane Rotary Vacuum Pump   vacuum pump and compressor	China Standard 2RS-3 Refrigerating Use Vane Rotary Vacuum Pump   vacuum pump and compressor
editor by CX 2024-03-27

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