Descripción del producto
Dry 5PA Oil Free Two Stage Screw Vacuum Pump for metallurgy
Descripción del producto
The LGB screw vacuum pump is an extraction equipment that uses a pair of screws to perform synchronous high-speed reverse rotation in the pump casing, generating suction and exhaust effects. Due to the certain gap between the screws, the pump operates smoothly without friction, with low noise, and no need for lubricating oil in the working chamber. Therefore, the dry screw pump can extract gas containing water vapor and a small amount of dust; Due to the maximum pressure of the LGB screw vacuum pump CHINAMFG 5PA, it can be widely used in various fields such as chemical industry, metallurgy, electronics, petroleum, aerospace, tools, papermaking, packaging, food, medicine, medical equipment, as well as information engineering, biotechnology, microelectronics, etc
Parámetros del producto
|
Modelo |
LGB-70 |
LGB-100 |
LGB-200 |
LGB-300 |
|
Pumping speed(L/3) |
70 |
100 |
200 |
300 |
|
Ultimate pressure(Pa) |
5 |
5 |
5 |
5 |
|
rotational speed(rpm) |
2900 |
2940 |
2940 |
2950 |
|
Connections of inlet DN(mm) |
50 |
80 |
100 |
125 |
|
Connections of outle DN(mm) |
45 |
65 |
65 |
80 |
|
Noise level dB(A) |
≤80 |
≤80 |
≤80 |
≤80 |
|
temperature rise(°C) |
≤40°C |
≤40°C |
≤40°C |
≤40°C |
|
Pumping size(mm) |
1360X960X700 |
1650X847X933 |
1740X960X980 |
2100X1100X1030 |
|
Weight (with oil filling) kg |
500 |
665 |
1571 |
1300 |
|
Motor Power(Kw) |
7.5 |
15 |
18.5 |
37 |
|
Motor Voltage/motor base frequency(V/Hz) |
380/50 |
380/50 |
380/50 |
380/50 |
|
Nominal Motor speed (rpm) |
2900 |
2940 |
2940 |
2950 |
|
Nominal Motor current(A) |
14.8 |
28.8 |
35.5 |
67.9 |
|
Type of protection(IP) |
IP55 |
IP55 |
IP55 |
IP55 |
Detailed Photos
Choose the right materials and weld carefully
Surface texture, smooth lines, good quality visible
Performance stability and outstanding advantages
We can recommend the closest model according to your requirements
Long term use and high efficiency
Compact structure, low noise, and reliable use
Easy to disassemble and maintain
Can be selected according to process requirements
Materials and sealing methods for the overcurrent section of the pump
Perfil de la empresa
HangZhou Sifang Vacuum Equipment Co., Ltd. specializes in the production of vacuum furnaces, vacuum pumps, steel drums and other products.”Sifang” is the registered trademark of the company’s products.
our company is 1 professional vacuum equipment manufacturer in HangZhou, China. We specialize in vacuum pumps, furnaces, systems and components for diverse applications. We produce rotary vane vacuum pumps, water ring vacuum pumps, reciprocating vacuum pumps, roots vacuum pump units, vacuum heat treatment furnaces, vacuum aluminum brazing furnaces, high temperature brazing fur- naces, vacuum sintering furnaces, monocrystalline silicon furnaces and other products. All these vacuum equipment are widely used in aviation, aerospace, military, railway, automobile, machinery, mold, electronics, metallurgy, scientific research and other fields.
We have professional engineer support, high efficiency sales team and competitive price superiority, and attract customers from all over the world, we export to over 40 countries, including Europe, Poland, Serbia, Turkey, Russia, USA, Mexico, Brazil, India, Thailand, Middle east and South Africa.
After several years’ development, We have achieved great progress, we are equipped with the AutomaticCNCmachines and multi-func- tion testing machines. Our R&D department provide the strong tech- nical support and enable us to receive some 0 E M, O D M projects. We can produce at least 3000 sets vacuum equipment per year. With our innovative and energy-efficient vacuum equipment that is put to work in a multitude of manufacturing and process applica- tions, we also offer you a comprehensive suite of CHINAMFG ser- vices to complement our products.
PREGUNTAS FRECUENTES
1.Q: Are you a factory or trading company?
A: We are a factory and we have professional team of workers,Designers and inspectors.
2.Q:Do you accept custom?
A:Of course.We have professional teams who make your designs,photos,imagines and OEM orders into real production.
3.Q:What’s your advantages?
A: Quick response to your enquiry,
High quality control,
Reasonable price,
Timely delivery,
Excellent after-sales service,
OEM/ODM are welcome
4.Q:What’s your shipping terms?
A:If you need to ship by air,we can use DHL,UPS,FedEx,TNT or EMS.If you need to ship by sea,we have many good forwarders to work with,they can provide the best price for you.
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| Servicio postventa: | Online Support |
|---|---|
| Garantía: | 1 año |
| Oil or Not: | Oil |
| Structure: | Bomba de vacío |
| Exhauster Method: | Entrapment Vacuum Pump |
| Vacuum Degree: | Vacuum |
| Personalización: |
Disponible
|
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|---|
¿Pueden utilizarse las bombas de vacío en la industria del automóvil?
Sí, las bombas de vacío se utilizan mucho en la industria del automóvil para diversas aplicaciones. He aquí una explicación detallada:
La industria del automóvil depende de las bombas de vacío para varias funciones y sistemas críticos dentro de los vehículos. Las bombas de vacío desempeñan un papel crucial a la hora de aumentar el rendimiento, mejorar la eficiencia del combustible y permitir el funcionamiento de diversos sistemas de automoción. Estas son algunas de las principales aplicaciones de las bombas de vacío en la industria del automóvil:
1. Sistemas de frenos: Las bombas de vacío se utilizan habitualmente en los sistemas de frenos asistidos por vacío, también conocidos como frenos de potencia. Estos sistemas utilizan la presión del vacío para amplificar la fuerza aplicada por el conductor sobre el pedal de freno, haciendo que el frenado sea más eficiente y sensible. Las bombas de vacío ayudan a generar el vacío necesario para la asistencia de los frenos de potencia, garantizando un rendimiento de frenado fiable y constante.
2. Sistemas de control de emisiones: Las bombas de vacío son componentes integrales de los sistemas de control de emisiones en los vehículos. Ayudan a hacer funcionar componentes como la válvula de recirculación de gases de escape (EGR) y el sistema de control de emisiones por evaporación (EVAP). Las bombas de vacío ayudan a crear las condiciones de vacío necesarias para el correcto funcionamiento de estos sistemas, reduciendo las emisiones nocivas y mejorando el rendimiento medioambiental general.
3. Sistemas HVAC: Los sistemas de calefacción, ventilación y aire acondicionado (HVAC) de los vehículos utilizan a menudo bombas de vacío para diversas funciones. Las bombas de vacío ayudan a controlar los actuadores accionados por vacío que regulan la dirección, la temperatura y el flujo de aire del sistema HVAC. Garantizan un funcionamiento eficaz y un control preciso del sistema de climatización interior del vehículo.
4. Sistemas de turbocompresor y sobrealimentación: En los vehículos de altas prestaciones, los sistemas de turbocompresor y sobrealimentación se utilizan para aumentar la potencia y la eficiencia del motor. Las bombas de vacío desempeñan un papel importante en estos sistemas, ya que proporcionan presión de vacío para accionar las válvulas de descarga, las válvulas de purga y otros mecanismos de control. Estos componentes ayudan a regular la presión de sobrealimentación y garantizan un rendimiento óptimo del sistema de inducción forzada.
5. Sistemas de suministro de combustible: Las bombas de vacío se emplean en ciertos tipos de sistemas de suministro de combustible, como las bombas de combustible mecánicas. Estas bombas utilizan la presión del vacío para extraer el combustible del depósito y suministrarlo al motor. Aunque las bombas de combustible mecánicas se utilizan menos en los vehículos modernos, las bombas de vacío todavía se encuentran en algunas aplicaciones especializadas.
6. Sistemas de gestión del motor: Las bombas de vacío se utilizan en los sistemas de gestión del motor para diversas funciones. Ayudan a hacer funcionar componentes como actuadores accionados por vacío, depósitos de vacío y sensores de vacío. Estos componentes desempeñan un papel en el rendimiento del motor, el control de emisiones y la funcionalidad general del sistema.
7. Sistemas de control de fluidos: Las bombas de vacío se utilizan en sistemas de control de fluidos dentro de los vehículos, como los sistemas de dirección asistida. Los sistemas de dirección asistida por vacío utilizan la presión del vacío para ayudar al conductor en la dirección, reduciendo el esfuerzo necesario. Las bombas de vacío proporcionan el vacío necesario para la asistencia de la dirección asistida, mejorando la maniobrabilidad y la comodidad del conductor.
8. Equipos de diagnóstico y pruebas: Las bombas de vacío también se utilizan en equipos de diagnóstico y pruebas de automoción. Estas bombas crean las condiciones de vacío necesarias para probar y diagnosticar diversos sistemas del vehículo, como fugas en el colector de admisión, integridad del sistema de frenos y componentes accionados por vacío.
Es importante tener en cuenta que se pueden utilizar diferentes tipos de bombas de vacío en función de la aplicación específica de automoción. Las tecnologías de bombas de vacío más comunes en la industria del automóvil incluyen bombas de diafragma, bombas rotativas de paletas y bombas de vacío eléctricas.
En resumen, las bombas de vacío tienen numerosas aplicaciones en la industria del automóvil, que van desde los sistemas de frenado y el control de emisiones hasta los sistemas de climatización y la gestión del motor. Contribuyen a mejorar la seguridad, la eficiencia del combustible, el rendimiento medioambiental y la funcionalidad general del vehículo.
Can Vacuum Pumps Be Used for Soil and Groundwater Remediation?
Vacuum pumps are indeed widely used for soil and groundwater remediation. Here’s a detailed explanation:
Soil and groundwater remediation refers to the process of removing contaminants from the soil and groundwater to restore environmental quality and protect human health. Vacuum pumps play a crucial role in various remediation techniques by facilitating the extraction and treatment of contaminated media. Some of the common applications of vacuum pumps in soil and groundwater remediation include:
1. Soil Vapor Extraction (SVE): Soil vapor extraction is a widely used remediation technique for volatile contaminants present in the subsurface. It involves the extraction of vapors from the soil by applying a vacuum to the subsurface through wells or trenches. Vacuum pumps create a pressure gradient that induces the movement of vapors towards the extraction points. The extracted vapors are then treated to remove or destroy the contaminants. Vacuum pumps play a vital role in SVE by maintaining the necessary negative pressure to enhance the volatilization and extraction of contaminants from the soil.
2. Dual-Phase Extraction (DPE): Dual-phase extraction is a remediation method used for the simultaneous extraction of both liquids (such as groundwater) and vapors (such as volatile organic compounds) from the subsurface. Vacuum pumps are utilized to create a vacuum in extraction wells or points, drawing out both the liquid and vapor phases. The extracted groundwater and vapors are then separated and treated accordingly. Vacuum pumps are essential in DPE systems for efficient and controlled extraction of both liquid and vapor-phase contaminants.
3. Groundwater Pumping and Treatment: Vacuum pumps are also employed in groundwater remediation through the process of pumping and treatment. They are used to extract contaminated groundwater from wells or recovery trenches. By creating a vacuum or negative pressure, vacuum pumps facilitate the flow of groundwater towards the extraction points. The extracted groundwater is then treated to remove or neutralize the contaminants before being discharged or re-injected into the ground. Vacuum pumps play a critical role in maintaining the required flow rates and hydraulic gradients for effective groundwater extraction and treatment.
4. Air Sparging: Air sparging is a remediation technique used to treat groundwater and soil contaminated with volatile organic compounds (VOCs). It involves the injection of air or oxygen into the subsurface to enhance the volatilization of contaminants. Vacuum pumps are utilized in air sparging systems to create a vacuum or negative pressure zone in wells or points surrounding the contaminated area. This induces the movement of air and oxygen through the soil, facilitating the release and volatilization of VOCs. Vacuum pumps are essential in air sparging by maintaining the necessary negative pressure gradient for effective contaminant removal.
5. Vacuum-Enhanced Recovery: Vacuum-enhanced recovery, also known as vacuum-enhanced extraction, is a remediation technique used to recover non-aqueous phase liquids (NAPLs) or dense non-aqueous phase liquids (DNAPLs) from the subsurface. Vacuum pumps are employed to create a vacuum or negative pressure gradient in recovery wells or trenches. This encourages the movement and extraction of NAPLs or DNAPLs towards the recovery points. Vacuum pumps facilitate the efficient recovery of these dense contaminants, which may not be easily recoverable using traditional pumping methods.
It’s important to note that different types of vacuum pumps, such as rotary vane pumps, liquid ring pumps, or air-cooled pumps, may be used in soil and groundwater remediation depending on the specific requirements of the remediation technique and the nature of the contaminants.
In summary, vacuum pumps play a vital role in various soil and groundwater remediation techniques, including soil vapor extraction, dual-phase extraction, groundwater pumping and treatment, air sparging, and vacuum-enhanced recovery. By creating and maintaining the necessary pressure differentials, vacuum pumps enable the efficient extraction, treatment, and removal of contaminants, contributing to the restoration of soil and groundwater quality.
Can Vacuum Pumps Be Used in Food Processing?
Yes, vacuum pumps are widely used in food processing for various applications. Here’s a detailed explanation:
Vacuum pumps play a crucial role in the food processing industry by enabling the creation and maintenance of vacuum or low-pressure environments. They offer several benefits in terms of food preservation, packaging, and processing. Here are some common applications of vacuum pumps in food processing:
1. Vacuum Packaging: Vacuum pumps are extensively used in vacuum packaging processes. Vacuum packaging involves removing air from the packaging container to create a vacuum-sealed environment. This process helps extend the shelf life of food products by inhibiting the growth of spoilage-causing microorganisms and reducing oxidation. Vacuum pumps are used to evacuate the air from the packaging, ensuring a tight seal and maintaining the quality and freshness of the food.
2. Freeze Drying: Vacuum pumps are essential in freeze drying or lyophilization processes used in food processing. Freeze drying involves removing moisture from food products while they are frozen, preserving their texture, flavor, and nutritional content. Vacuum pumps create a low-pressure environment that allows frozen water to directly sublimate from solid to vapor, resulting in the removal of moisture from the food without causing damage or loss of quality.
3. Vacuum Cooling: Vacuum pumps are utilized in vacuum cooling processes for rapid and efficient cooling of food products. Vacuum cooling involves placing the food in a vacuum chamber and reducing the pressure. This lowers the boiling point of water, facilitating the rapid evaporation of moisture and heat from the food, thereby cooling it quickly. Vacuum cooling helps maintain the freshness, texture, and quality of delicate food items such as fruits, vegetables, and bakery products.
4. Vacuum Concentration: Vacuum pumps are employed in vacuum concentration processes in the food industry. Vacuum concentration involves removing excess moisture from liquid food products to increase their solids content. By creating a vacuum, the boiling point of the liquid is reduced, allowing for gentle evaporation of water while preserving the desired flavors, nutrients, and viscosity of the product. Vacuum concentration is commonly used in the production of juices, sauces, and concentrates.
5. Vacuum Mixing and Deaeration: Vacuum pumps are used in mixing and deaeration processes in food processing. In the production of certain food products such as chocolates, confectioneries, and sauces, vacuum mixing is employed to remove air bubbles, achieve homogeneity, and improve product texture. Vacuum pumps aid in the removal of entrapped air and gases, resulting in smooth and uniform food products.
6. Vacuum Filtration: Vacuum pumps are utilized in food processing for vacuum filtration applications. Vacuum filtration involves separating solids from liquids or gases using a filter medium. Vacuum pumps create suction that draws the liquid or gas through the filter, leaving behind the solid particles. Vacuum filtration is commonly used in processes such as clarifying liquids, removing impurities, and separating solids from liquids in the production of beverages, oils, and dairy products.
7. Marinating and Brining: Vacuum pumps are employed in marinating and brining processes in the food industry. By applying a vacuum to the marinating or brining container, the pressure is reduced, allowing the marinade or brine to penetrate the food more efficiently. Vacuum marinating and brining help enhance flavor absorption, reduce marinating time, and improve the overall taste and texture of the food.
8. Controlled Atmosphere Packaging: Vacuum pumps are used in controlled atmosphere packaging (CAP) systems in the food industry. CAP involves modifying the gas composition within food packaging to extend the shelf life and maintain the quality of perishable products. Vacuum pumps aid in the removal of oxygen or other unwanted gases from the package, allowing the introduction of a desired gas mixture that preserves the food’s freshness and inhibits microbial growth.
These are just a few examples of how vacuum pumps are used in food processing. The ability to create and control vacuum or low-pressure environments is a valuable asset in preserving food quality, enhancing shelf life, and facilitating various processing techniques in the food industry.
editor by Dream 2024-04-29
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