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Air Compressors

Compressors are versatile and make everyday work much easier. But anyone who wants to invest in a new compressed air device is faced with a number of challenges. There are many different models available on the market, which differ primarily in their range of services . In order to be able to compare the products, it is particularly important to know the most important key figures . With this article we will help you to pay attention to the most important factors when making your next purchase .

You should pay attention to this information when buying a compressor, because it may ​​provide you  with the data that might influence  your decision:

Maximum pressure / maximum operating pressure: Is specified in bar (b) and provides information about the maximum air pressure. Standard models offer a maximum operating pressure of 8 to 10 bar, high-performance compressors go up to 15 bar.

Output rate / delivery quantity: This figure is given in liters per minute (l / min). It describes the maximum number of liters of compressed air that the compressor can deliver per minute - i.e. what power it actually transfers to the penumatic tool. You can see from this information whether the compressor provides sufficient air output for machines with high air requirements (e.g. compressed air grinders and impact wrenches).

Tank or container volume: Provides information on how many liters of filling volume fit into the compressor's container. The larger the boiler, the more the drive is protected, because it only starts when the boiler is empty. The inspection obligation also depends on this key figure. If the boiler volume is below 3,000 l, the annual inspection can be carried out independently. From 3,000 l, a professional inspection of the compressed air tank must be carried out every 2, 6 or 12 years.

Sound pressure level: This value is given in decibels (dB) and shows the operating volume of the device. For comparison: conversations have a value of approx. 55 dB, compressors have a volume between 60 (soundproofed or silent models) and 100 dB.

Connection type: There are electric motors for connection to (high-voltage) sockets, battery compressors and devices that run on petrol.

Suction capacity: This figure is given in liters per minute (l / min) and describes the amount of air that the device can draw in per minute. This value can be neglected when buying the compressor, because it does not provide any information about the performance of the product. Much more relevant is the amount of air the compressor can process and release (see output power).

 

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