China Professional Roots Blower, Vacuum Pump (NSRR-350) vacuum pump brakes

Product Description

Roots Blower, Vacuum Pump (NSRR-350)

CHINAMFG International (Xihu (West Lake) Dis.) Co., Ltd is the professional roots blower supplier. The NSRR type clover spiral Roots blower on the basis of the manufacture and sale of a Roots blower for many years the development of new products using new technology.
The machine through the use of new lines on the impeller, the overall adiabatic efficiency and volumetric efficiency is further improved, and is excellent particularly in the fan of the air volume and pressure characteristics.
So-called excellent efficiency is the amount of heat generation of the wind turbine itself is reduced, i. e. The temperature rise dropped, the various models using the exhaust pressure in the dry state is up to 1kgf/cm2.

Bore: 350mm
Flow capacity: 144.3 ~ 224.9m3/min
Pressure rise: 9.8kPa~58.8kPa
Vacuum: -49kPa

Mainly used in sewage treatment (aeration), powder conveyor (cement, feed, etc. ), combustion furnace, washing, vacuum packaging.


Greentech International (Xihu (West Lake) Dis.) Co., Ltd

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Color: Blue
Material: Casting Iron
Impeller: 2-Lobe
Connect: Belt or Direct Drive
Drive: Motor
Transport Package: Wooden Case


roots vacuum pump

Can Roots Vacuum Pumps Be Used for Environmental Testing in Chambers?

Yes, Roots vacuum pumps can be used for environmental testing in chambers. Here’s a detailed explanation:

1. Environmental Testing in Chambers: Environmental testing involves subjecting a product or component to various simulated environmental conditions to assess its performance, durability, and reliability. Chambers are commonly used for environmental testing and can simulate conditions such as temperature, humidity, pressure, and gas composition. These chambers create controlled environments that mimic real-world operating conditions to evaluate how a product or component responds under different environmental stressors.

2. Role of Vacuum Pumps: Vacuum pumps play a crucial role in environmental testing chambers by creating and maintaining the desired vacuum conditions. They help establish specific pressure levels, remove unwanted gases or contaminants, and enable controlled gas flow within the chamber. Vacuum pumps are responsible for evacuating the chamber, achieving the desired pressure or vacuum level, and ensuring the accuracy and reliability of the environmental test results.

3. Advantages of Roots Vacuum Pumps: Roots vacuum pumps offer several advantages that make them suitable for environmental testing in chambers:

– High Pumping Speed: Roots pumps have a high pumping speed, allowing them to quickly evacuate the chamber and achieve the desired vacuum level. This is particularly important when rapid cycling between different test conditions is required.

– Large Volume Handling: Chambers used in environmental testing can vary in size, from small-scale chambers to large walk-in chambers. Roots vacuum pumps are capable of handling large volumes of gas, making them suitable for evacuating chambers of different sizes efficiently.

– Continuous Operation: Roots vacuum pumps can operate continuously, ensuring the chamber remains at the desired vacuum level throughout the testing process. This is essential for maintaining test accuracy and consistency.

– Compatibility with Hybrid Pumping Systems: Roots vacuum pumps can be integrated into hybrid pumping systems, working alongside other pump technologies such as rotary vane pumps, scroll pumps, or turbomolecular pumps. This combination allows for enhanced pumping capability, achieving the desired vacuum levels and accommodating specific test requirements.

4. Considerations for Environmental Testing: While Roots vacuum pumps are suitable for environmental testing, several considerations should be taken into account:

– Gas Composition: Different environmental tests may involve specific gas compositions or mixtures. It is important to ensure that the selected Roots pump is compatible with the gases used in the testing process. Some gases may require special pump features or materials to avoid contamination or damage to the pump.

– Pressure Range: Environmental testing chambers may require a wide range of pressure levels to simulate various conditions. Roots vacuum pumps have limitations in terms of the ultimate vacuum level they can achieve. It is necessary to ensure that the selected pump can meet the pressure range requirements of the specific environmental tests.

– System Design: Proper system design is crucial to ensure efficient and reliable operation of the environmental testing chamber. Factors such as the chamber size, gas flow rates, evacuation times, and pressure control mechanisms should be considered when selecting and integrating Roots vacuum pumps into the testing system.

In summary, Roots vacuum pumps can be effectively used for environmental testing in chambers. Their high pumping speed, large volume handling capability, continuous operation, and compatibility with hybrid pumping systems make them suitable for maintaining the desired vacuum conditions during environmental tests. By considering factors such as gas composition, pressure range, and system design, Roots vacuum pumps contribute to the accurate and reliable assessment of product performance under simulated environmental conditions.

roots vacuum pump

Can Roots Vacuum Pumps Be Used for Vacuum Distillation?

Yes, Roots vacuum pumps can be used for vacuum distillation in certain applications. Here’s a detailed explanation:

Vacuum distillation is a process used to separate and purify components of a liquid mixture by exploiting the difference in boiling points under reduced pressure. By operating at lower pressures, the boiling points of the components are decreased, allowing for more selective evaporation and separation. Vacuum distillation is commonly employed in industries such as petrochemical, pharmaceutical, and chemical manufacturing.

Roots vacuum pumps can play a role in vacuum distillation processes by assisting in the creation and maintenance of the required vacuum conditions. Although Roots vacuum pumps alone may not achieve the high vacuum levels necessary for certain applications, they are often used in combination with other vacuum pumps, such as rotary vane pumps or oil-sealed pumps, to create a hybrid pumping system.

In a typical setup, Roots vacuum pumps are utilized as the primary roughing pump in the distillation system. Their high pumping speed allows for efficient removal of large volumes of gas, reducing the pressure in the system and enabling the effective operation of subsequent stages. The Roots pump works by trapping and compressing the gas, creating a pressure differential that facilitates the evacuation of the system.

While Roots vacuum pumps are effective in generating rough vacuum levels, they may not be capable of achieving the very high vacuum levels often required for precise separation in vacuum distillation. Therefore, they are commonly used in conjunction with other vacuum pumps, such as oil-sealed pumps or molecular pumps, that are better suited for achieving and maintaining high vacuum levels.

It’s important to note that the selection and configuration of the vacuum pumps for vacuum distillation depend on various factors, including the desired vacuum level, the characteristics of the liquid mixture being distilled, and the specific requirements of the distillation process. The vacuum system needs to be carefully designed to ensure optimal performance and efficient separation.

In summary, while Roots vacuum pumps alone may not be sufficient for achieving the high vacuum levels required for vacuum distillation, they are commonly employed as part of a hybrid pumping system in conjunction with other vacuum pumps. Their high pumping speed and capability to handle large gas volumes make them valuable for creating the initial vacuum conditions in the distillation process.

China Professional Roots Blower, Vacuum Pump (NSRR-350)   vacuum pump brakesChina Professional Roots Blower, Vacuum Pump (NSRR-350)   vacuum pump brakes
editor by Dream 2024-04-24