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The difference between oiled air compressor and oil-free air compressor is: different materials, different final discharged gases, and different service life. First, the material is different 1, there is an oil air compressor:
2. Oil-free air compressor: The material of the oil-free air compressor itself does not contain oily substances, which avoids the pollution of the oil-free air compressor to the terminal equipment. Second, the final discharge gas is different 1, with oil air compressor:
The oil air compressor is lubricated with oil, so the final exhaust gas contains oil. 2. Oil-free air compressor: The oil-free air compressor is lubricated with resin material, so the final discharged gas does not contain oil.
3. The life is different 1. Oil-free air compressor: The oil-free air compressor does not have a heat-blocking piston, and the sealed grease is easy to lose and cause the bearing to be damaged by dry grinding, and the oil-free air compressor has a short life 2. Oil-free air compressor: oil-free air compressor....
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I can say it out loud, it is a low-end product, **flat, but the cost performance is super low. If you make a mistake, you can take the tofu dregs to me.
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At present, the air compressor market is mainly occupied by foreign or Taiwan-funded enterprises. Although the variety of domestic air compressors is increasing, the output is expanding. However, there is a large gap between the production process and the international level, and the domestic machine is prone to oil leakage, air leakage, high exhaust temperature, high oil content, and large maintenance costs.
However, now there are many domestic enterprises and foreign capital to cooperate with foreign production technology to introduce foreign production technology, and the main components of air compressors are imported. The reliability of the air compressor has been greatly improved, and the cost performance has also been greatly improved.
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Honest words. It is a low-end product in the market.
I hope their salesman doesn't scold me when he sees it.
I also speak with my conscience.
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AtlasCopco (AC for short).
Multinational group with headquarters in Sweden.
The air compressor manufacturer is only one of its subordinate groups. Due to years of continuous acquisitions, AC can produce almost all forms of air compressors, which is quite prestigious. The largest strength, the widest range of products, oil-free machines and centrifuges.
Unmatched, market share.
Big. With multiple factories around the world, the biggest advantage is visibility, and it can be flexible for important projects**; The disadvantages are poor service quality, high service costs, and not much attention paid to small projects.
2. Ingersoll Rand.
IR) was the first company to jointly produce screw machines in China, which was established in Shanghai in 1987. Do construction machinery and refrigerators.
Started, the market share is second only to Atlas. IR's most profitable product in China is centrifugal air compressors. Another profitable product is the mobile air compressor, which is widely used in China.
In China, it mainly sells through branches, and has branches in major cities across the country. The advantage is still its popularity, and the disadvantage is that there are two sales systems, which are difficult to unify.
3. Sullair (Sullair) of the United States
A subsidiary of a large aviation (military) enterprise in the United States, the machine is good when it slides. The main products are oil-based screw type and mobile type, and its mobile type has been mainly localized in recent years, which will increase its market share.
Sullair mainly sells through the first merchants, and the number of its first merchants has increased greatly recently, and it has considerable performance in the textile, automobile and other industries. The main advantage is that it has a factory in China, and its high-horsepower products are cheaper. The product runs reliably and has a long service life.
4. Caesar. Germany's largest air compressor manufacturer with strong production capacity and a good reputation in Europe. Outstanding reliability, energy efficiency, cost efficiency and ease of maintenance have all contributed to Kaeser's leading position.
There are no factories in the country. Shanghai, China.
A branch has been set up, and there is a first-class business in Shenzhen, which has not yet established a sales network in the country. The advantage is that it is very famous in Europe, and its ** competitiveness. The disadvantages are that it does not produce oil-free type, the network is not perfect, and the sense of innovation is not strong.
5. Compass Idemag (abbreviated as Compair).
A British company known for its sliding vane compressors (50hp). In recent years, ComPair has successively acquired the screw air compressors of DEMAG in Germany.
Division and Leroi Air Compressor Company in the United States and became a global air compressor company. In 1993, a factory was set up in Shanghai. The advantage is that the sliding machine is cheap, and the screw machine also has the best advantages; The product variety is complete.
The disadvantage is that the product quality is average; the imperfection of the marketing network; Not enough visibility.
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The better air compressor brands are Bole, CommScope, Red Wuhuan, Hitachi, and Jaguar. 1.Bolett brand introduction:
Bolet was founded in 1989. It is a company specializing in the design, production and sales of screw air compressors in the list of top ten brands of air compressors. Since its establishment, the company has the most advanced production technology and testing equipment in product production.
Its air compressor is cost-effective, and the core technology is good. 2.Kombucha brand introduction:
Founded in 1994, the CommScope brand is a low-pressure compressor, customized fan, and vacuum pump company in the market. Since its establishment, the company has continuously improved its production technology. At present, the company's business scope continues to expand, and its air compressors adopt top production technology, which is incomparable to many brands in terms of performance, and the quality of its air compressors is also better.
3.Red Wuhuan brand introduction: Founded in 1997, Red Wuhuan Zaoqi Group is an enterprise mainly engaged in the production and sales of complete sets of general machinery, construction machinery, tunnel machinery and other mechanical products.
Since its establishment, the company has been innovating in product production technology, and its air compressors have been sold well in the market with excellent quality. 4.Hitachi brand introduction:
Hitachi, a brand founded in 1910, has a long history in the industry. At present, the company's main products are household appliances, computer products, semiconductors, industrial machinery, etc. and strictly controlled in the production process of the product.
Its air compressors are highly practical and of high quality using the most advanced production technology. 5.Jaguar brand introduction:
Jaguar is a subsidiary of East Asia Machinery Industry Co., Ltd. and was established in 1990. It is an enterprise mainly engaged in the production and sales of air compressors, precision filters and other products. Since its establishment, the company's business scope has been continuously expanded, and it is in a leading position in the production technology of many products.
Its air pressure liquid shrinking machine is also sold at home and abroad with excellent quality, and its air compressor is of excellent quality.
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In terms of air compressors, Taiwan Jaguar is a very good brand.
An air compression burner is a device used to compress gas. An air compressor is similar to a water pump. Most air compressors are reciprocating piston type.
As an important form of energy slag liquid source, air compressor is widely used in all aspects of beam life production. In particular, twin-screw air compressors are widely used in machinery, metallurgy, electronic power, medicine, packaging, chemical, food, mining, textile, transportation and many other industrial fields, and have become the mainstream products of compressed air.
Taiwan Jaguar is a good brand, Taiwan Jaguar has a marketing network all over the world, and at the same time set up convenient customer service centers in various central cities in China, not only to provide customers with table products, but also to provide customers with trustworthy after-sales service.
Jaguar is a good choice to buy an air compressor, but it also depends on the individual, not only to have in-depth technical exchanges with the best suppliers of similar products, so as to find the most cost-effective equipment.
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Air compressor brand recommendation:Atlas COPCO air compressor, IngersollrandIngersoll RandAir compressor, Sullair air compressor, Kaishan, Fusheng air compressor.
1、atlas copco
Atlas copco, the air compressor brand, is a famous brand in Switzerland, Switzerland has always been a country that makes precision instruments very well, so the air compressor he can make is also particularly precise, very comfortable to use, and very popular in the factory.
2. Ingersollrand
Ingersoll Rand's air compressor is very good in quality, and it is a focus on the quality of the air compressor, so the air compressor produced by this brand is very reassuring to everyone, and it is also very popular in the factory.
3. Sullair
Sullair, the air compressor brand, is a brand that dares to innovate in the top ten brands of air compressors, and its air compressor is moving forward in continuous innovation, with many different models, suitable for a variety of different situations, and is an air compressor product that dares to try and constantly challenge itself.
4. Fusheng
Fusheng brand air compressor, has a reasonable production and sales route, in the production it has its own production line, from the raw material production and screening to achieve strict control, the final production of air compressor quality is also very good.
5. Open the mountain
Kaishan this air compressor brand is a manufacturer of large air compressors, its air compressors are more suitable for those large items, is a large factory in the necessary air compressor, although its air compressor is large but the precision is absolutely first-class, is a huge but quality assurance of the core.
Purchase Notes:
1. Start the machine to check whether the performance is in good condition and whether the zero open infiltration excavation parts are working normally.
2. Select the appropriate type of air compressor in advance, and the air compressor should be placed in a ventilated, flat, and water-free position, and pay attention to the cleanliness of the surrounding environment. If the placement environment is not ventilated, pipes can be built. The place should be safe, and there should be a plan for the size of the site.
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Now the mid-range air compressor has done very well in China. The gap with foreign brands is not very large. Aigao, Kaishan, these two brands have done very well in China. Aigao is relatively cost-effective.
When buying an air compressor, the issues to consider also include: 1After-sales. 2.
Maintenance costs. 3. Quality. Combining these factors, it is better to choose Aigao, there are specialty stores all over the country, and the pre-sales and after-sales are also good.
Moreover, their permanent magnet variable frequency air compressor, although it is a little more expensive than other domestic brands, but the quality, and performance are worthy**, and the power-saving effect of their permanent magnet variable frequency air compressor is obvious.
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Domestic air compressors have also risen, like Minlisheng's sales are good, and they are also energy-saving.
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To buy a domestic air compressor, it is recommended to choose Kunshan Yihua Mechanical and Electrical Engineering. Inquiry**: 4000620881.
Yihua company is specialized in the sale of air compressors, screw machines, quality machines are imported, committed to the overall solution of air compressor system, tailor-made design of high quality, exquisite and skilled technology, abundant spare parts distribution, not only to provide customers with perfect technical support, but also perfect after-sales service.
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outstanding2 Dongcheng.
3 Wind Leopard 4 Dalto.
5 pandas - panda6 hurricanes.
7 Fujiwara-Fujiwara
8 Anjieshun. 9. Jieba
10 shrimp cards.
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Nowadays, the ordinary screw air compressor is usually designed to work at a temperature of 0---40 degrees, and some manufacturers will have high-temperature models, which are generally 46 degrees, but the high-temperature models are definitely higher than ordinary models. The temperature in the southern region in summer is close to the upper limit of the air compressor, and if the air cooling method is selected, it may often be shut down for high temperature protection, affecting production.
The specific heat of water is much greater than that of air, the thermal conductivity efficiency is obviously high, and the water resources in the south are abundant, so it is recommended to choose the water cooling method.
However, the machine cooling water in the south often uses surface water, which is rich in microorganisms and impurities, and when the open water-cooled circulation system is used, it often leads to the dirty blockage of the air compressor water cooler or the slime produced by the reproduction of microorganisms and affects the heat exchange efficiency.
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It is best to use water cooling in the southern region, and air-cooled air compressors have a strong sense of dependence on environmental problems. The excessively high ambient temperature in the south is not conducive to the radiator to achieve the due heat dissipation efficiency. The screw machine you need is less powerful, so it is recommended to ask an expert to teach the slag destroyer.
The smallest equipment power of Sullair mobile machine of Beijing Sanren Baoye Company is also 300kw, and they have operating bases in Xiamen, Guangzhou and Wuhan. If you are not worried about the construction situation in the south and select the equipment, you can take another look and find their service engineering collaborator to understand the best advice.
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The air compressor in the southern region is recommended to be cooled with water, because the perennial temperature in the south is high, and the effect of air cooling is not as good as water cooling. In particular, the air compressor of the high-power Kana block is more stable with water cooling.
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Do you use that much gas? It is recommended to use air-cooled, the construction cost difference is low, you can take a look at the Deman inverter, it will not be shut down due to high temperatures, your factories in the south use a lot, and You Qingqing subsidy, you can inspect the god to shake it.
Radish and cabbage have their own love This depends on what you think of it Now there are too many air compressors on the market But there are few companies that really have the ability to produce air compressors There are only a few real brands Most of the rest are OEM or small factory assembly There is no ability to develop the most core components The main engine is purchased, the quality of an air compressor mainly depends on whether its gas production is sufficient, and whether the design of its internal components is reasonable, rather than whether it is cheap, and the price of a good machine will not be cheap. If you blindly value the price, then you are destined not to buy good equipment, I have been engaged in the air compressor industry for more than 10 years, all kinds of air compressors have been contacted, have been maintained, at present, there is no brand of ordinary screw air compressor in China can give Atlas Ingersoll Rand gas production and reasonable internal design, but their price can throw Atlas Ingersoll Rand several streets, so they can only use ** to determine the market. Therefore, at present, all domestic manufacturers are producing energy-saving air compressors, so as to improve the efficiency of air compressors, but the gap is always a gap Domestic air compressor manufacturers blindly kill the first day and do not pay attention to machine research and development, as far as I know, there are currently one or two air compressor manufacturers are investing heavily in the research and development of air compressor hosts, one is the giant wind in Guangdong
Domestic nose! **Lower!
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